CN219203430U - Collector plate, energy storage device and electrical equipment - Google Patents
Collector plate, energy storage device and electrical equipment Download PDFInfo
- Publication number
- CN219203430U CN219203430U CN202223149639.5U CN202223149639U CN219203430U CN 219203430 U CN219203430 U CN 219203430U CN 202223149639 U CN202223149639 U CN 202223149639U CN 219203430 U CN219203430 U CN 219203430U
- Authority
- CN
- China
- Prior art keywords
- flange
- current collecting
- flanging
- winding core
- collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Coils Of Transformers For General Uses (AREA)
- Secondary Cells (AREA)
Abstract
本实用新型公开了一种集流盘、储能装置及用电设备。集流盘包括集流本体、第一翻边和第二翻边，集流本体沿轴向相对的两侧为第一表面和第二表面，第一翻边连接集流本体的外边沿，第一翻边相对集流本体朝向第一表面弯折，第二翻边连接第一翻边的外边沿，第二翻边相对第一翻边朝向所述第二表面弯折，且沿远离集流本体的中心方向延伸设置。该集流盘保证了第一翻边对集流盘和卷芯的定位效果，便于集流盘与卷芯的装配。
The utility model discloses a collector plate, an energy storage device and electrical equipment. The collector plate includes a collector body, a first flange and a second flange. The opposite sides of the collector body along the axial direction are the first surface and the second surface. The first flange is connected to the outer edge of the collector body. One flange is bent toward the first surface relative to the current collecting body, the second flange is connected to the outer edge of the first flange, the second flange is bent toward the second surface relative to the first flange, and is away from the current collector along the The central direction of the main body is extended. The collecting plate ensures the positioning effect of the first flange on the collecting plate and the winding core, and facilitates the assembly of the collecting plate and the winding core.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a current collecting disc, an energy storage device and electric equipment.
Background
The current collecting disc is one of the important parts of the full tab battery and is used for leading out the electric energy of the winding core of the battery to the terminal end of the battery. In the prior art, the current collecting disc is connected with the winding core in a welding mode. In order to prevent the current collecting disc from shifting when being welded with the winding core and influencing the assembly of the current collecting disc and the winding core, the outer edge of the current collecting disc is provided with a flanging in the related art, and the relative positions of the current collecting disc and the winding core are limited through the flanging, so that the current collecting disc is not easy to shift when being welded with the winding core.
However, the flange arranged at the outer edge of the collecting disc is easy to deform when being extruded, so that the positioning effect of the flange is affected, and the assembling of the collecting disc and the winding core is not facilitated.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the current collecting disc, and the second flanging connected to the outer edge of the first flanging is not easy to deform when the first flanging is extruded, so that the positioning effect of the first flanging on the current collecting disc and the winding core is ensured, and the current collecting disc and the winding core are convenient to assemble.
The utility model also aims to provide an energy storage device with the current collecting disc.
The utility model also aims to provide electric equipment with the energy storage device.
According to the embodiment of the first aspect of the utility model, the current collecting tray comprises a current collecting body, a first flanging and a second flanging, wherein the two axially opposite sides of the current collecting body are provided with a first surface and a second surface, the first flanging is connected with the outer edge of the current collecting body, the first flanging is bent towards the first surface relative to the current collecting body, the second flanging is connected with the outer edge of the first flanging, and the second flanging is bent towards the second surface relative to the first flanging and extends along the central direction far away from the current collecting body.
According to the current collecting disc, the second flanging is connected to the outer edge of the first flanging, the second flanging is bent towards the second surface relative to the first flanging and extends along the central direction away from the current collecting body, the second flanging is abutted to the shell of the battery, the relative positions of the current collecting disc and the winding core are further positioned, the positioning effect is improved, meanwhile, the second flanging enables the first flanging not to be deformed easily when being extruded, the positioning effect of the first flanging on the current collecting disc and the winding core is guaranteed, and the current collecting disc and the winding core are convenient to assemble.
According to some embodiments of the present utility model, an included angle between the first flange and the current collecting body is a first included angle, and the first included angle is greater than 90 degrees, so that the size of the current collecting body can be set to be the same as the size of the cross section of the winding core of the battery, and the production cost is saved.
According to some embodiments of the utility model, the included angle between the first flange and the second flange is a second included angle, and the second included angle is smaller than 90 degrees, so that the area of the abutting surface between the second flange and the battery shell is increased, and the stability of the connection between the second flange and the battery shell is improved.
According to some embodiments of the present utility model, the edge of the second flange exceeds the first surface in the axial direction of the current collecting body, so that the area of the abutting surface between the second flange and the battery case is further increased, and thus, the structural stability of the bent elastic member formed between the current collecting body and the battery case by the first flange and the second flange is improved, and the service life of the bent elastic member is prolonged.
According to some embodiments of the utility model, the current collecting body comprises: a main body portion; the first connecting parts are connected with the main body part, at least two first connecting parts are distributed around the main body part, and the first flanging is connected to one end, far away from the main body part, of the first connecting part; the second connecting portion is located between two adjacent first connecting portions, and every two adjacent first connecting portions in the circumferential direction are all provided with second connecting portions, the second connecting portion is used for connecting the roll core, the second connecting portion is connected the main part with at least one in the first turn-ups.
The main part passes through first turn-ups of first connecting portion connection, and first turn-ups encircle the mass flow body and distribute, fix a position the each direction of mass flow body, connect through second connecting portion and roll up the core, second connecting portion are located between two adjacent first connecting portions, and every two adjacent first connecting portions all are provided with second connecting portion in circumference direction for roll up the core and have a plurality of connection sites with the mass flow body, improved reliability and the stability of connecting.
According to some embodiments of the utility model, a first isolation groove is formed between the first connecting part and the second connecting part, and the first isolation groove is arranged in a penetrating way in the thickness direction of the current collecting disc, so that at least part of the first connecting part and the second connecting part can be separated, and when the winding core vibrates, the second connecting part can bend at a certain angle relative to the main body part to buffer partial force, thereby reducing the probability of disconnection of the second connecting part from the winding core.
According to some embodiments of the utility model, the first flange is annular and is connected with all the first connecting parts, and the annular first flange is convenient for production and installation, so that the production efficiency is improved.
According to some embodiments of the present utility model, the first flanges are the same as the first connecting portions in number and are connected in one-to-one correspondence with the first connecting portions, the at least two first flanges are circumferentially spaced apart from each other, a second separation groove is formed between the first flanges and the second connecting portions, the second separation groove is arranged in a penetrating manner in the thickness direction of the collecting tray, and/or the second flanges are the same as the first flanges in number and are connected in one-to-one correspondence with the first flanges, and the at least two second flanges are circumferentially spaced apart from each other. Through setting up the first turn-ups that are the same with the quantity of first connecting portion and are connected with first connecting portion one-to-one, and at least two first turn-ups along mass flow disc circumference interval distribution for mass flow disc circumference is last to have a plurality of setpoint, has improved the location effect. Through the second separating groove which is formed between the first flanging and the second connecting part, one side, close to the first flanging, of the second connecting part can be bent at a certain angle relative to the main body part, so that the buffer effect is further improved, and the probability of disconnection between the second connecting part and the winding core is reduced. Through setting up the second turn-ups the same and be connected with first turn-ups one-to-one with first turn-ups quantity, and at least two second turn-ups are along its circumference interval distribution for have a plurality of elastic components of buckling of being formed by first turn-ups and second turn-ups on the mass flow dish, strengthened the buffering effect.
According to a second aspect of the present utility model, an energy storage device includes a housing, a winding core, and a current collecting disc in the foregoing embodiment, where at least one end of the housing is provided with an opening, the winding core is accommodated in the housing, the current collecting disc is accommodated in the housing, and the current collecting disc is fastened to one end of the winding core through the first flange.
According to the energy storage device provided by the embodiment of the utility model, the assembly stability of the battery monomer is improved and the assembly efficiency is improved by adopting the current collecting disc.
An electrical consumer according to an embodiment of the third aspect of the utility model comprises an energy storage device as in the above embodiment.
According to the electric equipment provided by the embodiment of the utility model, the battery monomer is adopted, so that the assembly stability of the electric equipment is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a perspective view of a current collecting tray according to an embodiment of the present utility model;
fig. 2 is a top view of a manifold plate according to an embodiment of the utility model;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
FIG. 4 is an exploded view of an energy storage device according to an embodiment of the present utility model;
fig. 5 is a top view of a second current collecting plate in an energy storage device according to an embodiment of the present utility model;
FIG. 6 is a cross-sectional view at B-B in FIG. 5;
fig. 7 is a schematic structural diagram of a powered device according to an embodiment of the present utility model.
Reference numerals:
a collecting tray 100,
Current collecting body 1, main body 11, first connection portion 12, second connection portion 13, bonding wire 131, first separator 14, second separator 15,
A first flanging 2,
A second flanging 3,
The energy storage device 200, the shell 101, the winding core 102, the second collecting disc 103, the third flanging 4, the end cover 104,
Powered device 300.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.
Hereinafter, a current collecting tray 100, an energy storage device 200, and an electrical device 300 according to an embodiment of the present utility model will be described with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the current collecting plate 100 according to the embodiment of the first aspect of the present utility model includes a current collecting body 1, a first flange 2 and a second flange 3, wherein two axially opposite sides of the current collecting body 1 are a first surface and a second surface, the first flange 2 is connected with an outer edge of the current collecting body 1, the first flange 2 bends the winding core 102 toward the first surface with respect to the current collecting body 1, the second flange 3 is connected with an outer edge of the first flange 2, the second flange 3 bends toward the second surface with respect to the first flange 2, and the housing 101 is extended in a central direction away from the current collecting body 1.
It should be noted that, the first surface of the current collecting body 1 is a side close to the winding core 102, and the second surface is a side far from the winding core 102. The second flange 3 is disposed to extend in a direction away from the center of the current collecting body 1, which may be understood as the second flange 3 is disposed to extend in a direction away from the winding core 102 of the battery.
Specifically, as shown in fig. 1, 2 and 3, the current collecting plate 100 according to the embodiment of the present utility model includes a current collecting body 1, and two axially opposite sides of the current collecting body 1 are a first surface and a second surface, where the first surface is used for connecting with a winding core 102 of a battery, and the second surface is used for connecting with an end cover 104 of the battery. The outer edge of the current collecting body 1 is connected with the first flanging 2, and the first flanging 2 is bent towards the inner side relative to the current collecting body 1 so as to be buckled on the winding core 102 of the battery, so that the current collecting body 1 is positioned on the winding core 102, and when the current collecting body 1 and the winding core 102 are welded, the current collecting body is not easy to deviate, and the welding operation is convenient. The second turn-ups 3 are connected with the outer edge of the first turn-ups 2, the second turn-ups 3 bend towards the second surface relative to the first turn-ups 2, and extend along the central direction away from the current collecting body 1 to be arranged to be abutted against the shell 101 of the battery, the second turn-ups 3 are abutted against the shell 101 of the battery, the relative positions of the current collecting disc 100 and the winding core 102 are further positioned, positioning effect is improved, meanwhile, the second turn-ups 3 are connected with the outer edge of the first turn-ups 2, the second turn-ups 3 bend towards the second surface relative to the first turn-ups 2, and are far away from the central direction of the current collecting body 1, so that the first turn-ups 2 and the second turn-ups 3 can form an included angle structure, when the first turn-ups 2 are extruded by the winding core 102, the second turn-ups 3 abutted against the shell 101 of the battery provide certain supporting force on the other side, the first turn-ups 2 are not easy to deform, the positioning effect of the current collecting disc 100 and the winding core 102 is guaranteed, and the assembly of the current collecting disc 100 and the winding core 102 is convenient.
Therefore, according to the current collecting plate 100 of the present utility model, the second flange 3 is connected to the outer edge of the first flange 2, the second flange 3 is bent towards the second surface relative to the first flange 2, and extends along the central direction away from the current collecting body 1 to be arranged to abut against the shell 101 of the battery, the second flange 3 abuts against the shell 101 of the battery, so that the relative positions of the current collecting plate 100 and the winding core 102 are further positioned, the positioning effect is improved, and meanwhile, the second flange 3 makes the first flange 2 not easy to deform when being extruded, the positioning effect of the first flange 2 on the current collecting plate 100 and the winding core 102 is ensured, and the assembly of the current collecting plate 100 and the winding core 102 is facilitated.
It is understood that the included angle between the first flange 2 and the collecting body 1 may be an acute angle, a right angle or an obtuse angle. For example, when the included angle between the first flange 2 and the current collecting body 1 is an acute angle, the size of the current collecting body 1 is larger than the size of the cross section of the winding core 102; when the included angle between the first flange 2 and the current collecting body 1 is a right angle, the size of the current collecting body 1 can be equal to the size of the cross section of the winding core 102; when the included angle between the first flange 2 and the collecting body 1 is an obtuse angle, the size of the collecting body 1 is equal to the size of the cross section of the winding core 102.
In some embodiments of the present utility model, as shown in fig. 3, the included angle between the first flange 2 and the current collecting body 1 is a first included angle, and the first included angle is greater than 90 degrees, so that the size of the current collecting body 1 can be set to be the same as the size of the cross section of the winding core 102 of the battery, which saves the production cost and facilitates the covering and fastening of the current collecting disc 100 on the battery core of the battery.
In some embodiments, the winding core 102 of the battery is located near an upper surface of one end of the collecting tray 100, and an included angle between the upper surface and a side surface of the winding core 102 is a third included angle, which is the same as the first included angle, so that the collecting tray 100 is attached to the winding core 102 of the battery.
In some embodiments of the present utility model, as shown in fig. 1, the included angle between the first flange 2 and the second flange 3 is a second included angle, and the second included angle is smaller than 90 degrees, so that the area of the abutting surface between the second flange 3 and the housing 101 of the battery is increased, and the stability of connection between the second flange 3 and the housing 101 of the battery is improved.
In some embodiments, the second flange 3 has a coincident surface with the housing 101 of the battery. Preferably, the second flange 3 is completely attached to the battery housing 101.
In some embodiments of the present utility model, as shown in fig. 1, the edge of the second flange 3 exceeds the first surface along the axial direction of the current collecting body 1, further increasing the area of the abutting surface between the second flange 3 and the battery case 101, thus improving the structural stability of the bent elastic member formed between the current collecting body 1 and the battery case 101 by the first flange 2 and the second flange 3, and prolonging the service life of the elastic member.
In some embodiments, as shown in fig. 1 and 2, a first connection line between the first flange 2 and the current collecting body 1 is circular or arc-shaped, and the first flange 2 is a curved surface piece extending along the first connection line, so that the first flange 2 is disposed along the circumference of the winding core 102 and the current collecting body 1 of the battery, so as to be conveniently fastened on the winding core 102 of the battery.
The battery core 102 is cylindrical, and the current collecting body 1 has a circular outer contour. When the first connecting line between the first flanging 2 and the collecting body 1 is circular, the first flanging 2 is a circular curved surface piece which winds the outer contour of the collecting body 1; when the first connection line between the first flange 2 and the current collecting body 1 is circular arc, the first flange 2 is a circular arc curved surface piece, and the first flange 2 is a plurality of first flanges 2, and the plurality of first flanges 2 are uniformly distributed along the outer contour of the current collecting body 1, for example, the first flange 2 may be three, four, five, six, or the like.
In some embodiments, as shown in fig. 1 and fig. 2, the second connecting line between the first flange 2 and the second flange 3 is circular or arc, and the second flange 3 is a curved surface piece extending along the second connecting line, so that one side of the second flange 3 connected with the first flange 2 is completely overlapped with the outer edge of the first flange 2, and the buffer is performed on each place of the first flange 2, so that the probability of deformation of the first flange 2 when being extruded is further reduced.
In some embodiments, the first flanging 2 is in arc transition connection with the current collecting body 1; the arc transitional connection is arranged between the first flanging 2 and the second flanging 3, so that the connection between the first flanging 2 and the current collecting body 1 and the connection between the first flanging 2 and the second flanging 3 are facilitated, and meanwhile, the elastic buffer effect between the first flanging 2 and the current collecting body 1 and between the first flanging 2 and the second flanging 3 is improved, the probability that the first flanging 2 is extruded to deform is reduced, and materials are saved.
In some embodiments of the present utility model, as shown in fig. 1 and 2, the current collecting body 1 includes a main body portion 11, first connection portions 12 and second connection portions 13, the first connection portions 12 are connected to the main body portion 11, the first connection portions 12 are at least two and distributed around the main body portion 11, the first flanges 2 are connected to ends of the first connection portions 12 away from the main body portion 11, the second connection portions 13 are located between two adjacent first connection portions 12, and each two adjacent first connection portions 12 is provided with a second connection portion 13 in a circumferential direction, the second connection portions 13 are used to connect the winding cores 102, and the second connection portions 13 connect at least one of the main body portion 11 and the first flanges 2. The main part 11 passes through first connecting portion 12 and connects first turn-ups 2, and first turn-ups 2 encircle mass flow body 1 and distribute, fix a position the each direction of mass flow body 1, connect through second connecting portion 13 and roll up core 102, second connecting portion 13 are located between two adjacent first connecting portions 12, and every two adjacent first connecting portions 12 all are provided with second connecting portion 13 in the circumference direction for roll up core 102 and mass flow body 1 have a plurality of connection sites, have improved the reliability and the stability of connection.
In some embodiments, as shown in fig. 1 and 2, a plurality of bonding wires 131 are provided on each second connection portion 13, and the bonding wires 131 penetrate in the thickness direction of the second connection portion 13, so as to facilitate welding the second connection portion 13 with the winding core 102 of the battery. In the present application, the second connecting portion 13 has a petal shape.
In some embodiments, the second connecting portion 13 is connected with the main body portion 11 or the first flange 2.
In some embodiments of the present utility model, as shown in fig. 1 and 2, a first separation groove 14 is formed between the first connection part 12 and the second connection part 13, and the first separation groove 14 is provided through in the thickness direction of the current collecting plate 100 such that at least a portion of the first connection part 12 and the second connection part 13 can be separated, and when the winding core 102 vibrates, the second connection part 13 can be bent at an angle with respect to the main body part 11 to buffer partial force, thereby reducing the probability of disconnection of the second connection part 13 from the winding core 102.
In some embodiments of the present utility model, the first flange 2 is annular and connects all the first connection portions 12, and the annular first flange 2 facilitates production and installation, thereby improving production efficiency.
In some embodiments of the present utility model, as shown in fig. 1 and 2, the first flanges 2 are the same in number as the first connection portions 12 and are connected in one-to-one correspondence with the first connection portions 12, at least two first flanges 2 are spaced apart along the circumference thereof, second separation grooves 15 are formed between the first flanges 2 and the second connection portions 13, the second separation grooves 15 are provided through in the thickness direction of the current collecting tray 100, and/or the second flanges 3 are the same in number as the first flanges 2 and are connected in one-to-one correspondence with the first flanges 2, and at least two second flanges are spaced apart along the circumference thereof. The first flanges 2 are connected with the first connecting portions 12 in the same number and in one-to-one correspondence, and the at least two first flanges 2 are distributed at intervals along the circumference of the current collecting disc 100, so that a plurality of positioning points are arranged on the circumference of the current collecting disc 100, and the positioning effect is improved. Through forming the second separating groove 15 that link up between first turn-ups 2 and second connecting portion 13 for the side that second connecting portion 13 is close to first turn-ups 2 also can be crooked certain angle relative to main part 11, has further improved the cushioning effect, reduces the probability that second connecting portion 13 and reel core 102 are connected and disconnected. Through setting up the second turn-ups 3 the same and be connected with first turn-ups 2 one-to-one with the quantity of first turn-ups 2, and at least two second turn-ups 3 are along its circumference interval distribution for have a plurality of elastic components of buckling by first turn-ups 2 and the formation of second turn-ups 3 on the mass flow tray 100, strengthened the cushioning effect.
As shown in fig. 4, the energy storage device 200 according to the second aspect of the present utility model includes a housing 101, a winding core 102 and a current collecting plate 100 in the foregoing embodiment, at least one end of the housing 101 is provided with an opening, the winding core 102 is accommodated in the housing 101, the current collecting plate 100 is accommodated in the housing 101, and the current collecting plate is fastened to one end of the winding core 102 through a first flange 2.
Specifically, as shown in fig. 4, at least one end of the housing 101 is provided with an opening for placing the winding core 102 into the housing 101. The current collecting disc 100 is buckled at one end of the winding core 102 through the first flanging 2, and when the current collecting disc 100 and the winding core 102 are welded, the current collecting disc 100 and the winding core 102 are misplaced, so that the current collecting disc 100 and the winding core 102 are conveniently assembled. In this application scheme, energy storage equipment can be battery cell, also can be battery module, battery package and the battery cluster etc. that battery cell constitutes.
According to the battery cell provided by the embodiment of the utility model, the assembly stability of the battery cell is improved and the assembly efficiency is improved by adopting the current collecting disc 100.
In some embodiments, the current collecting tray 100 includes a first current collecting tray and a second current collecting tray 103, where the first current collecting tray and the second current collecting tray 103 are located at two ends of the winding core 102, respectively, and the structures of the first current collecting tray and the second current collecting tray 103 may be the same or different.
In some embodiments, as shown in fig. 4, the energy storage device 200 further includes an end cap 104, the end cap 104 being sealingly connected to the opening.
In some embodiments, the housing 101 is an aluminum housing 101 and the end cap 104 is laser welded to the opening of the housing 101.
In some embodiments, as shown in fig. 4 and 5, one end of the casing 101 is provided with an opening and the other end is a closed end, and the second collecting tray 103 is provided corresponding to the closed end, and the edge of the second collecting tray 103 has a third flanging 4 to be buckled on the end of the winding core 102. The second current collecting disc 103 is buckled at one end, far away from the opening, of the winding core 102 by the third flanging 4, so that dislocation is avoided when the second current collecting disc 103 is connected with the winding core 102, and the second current collecting disc 103 and the winding core 102 are conveniently assembled.
Specifically, as shown in fig. 6, the third flange 4 is perpendicular to the header body 1 of the second header disk 103. The second connection portion 13 on the second collecting tray 103 is connected to the third flange 4.
As shown in fig. 7, a powered device 300 according to an embodiment of the third aspect of the present utility model includes the energy storage device 200 in the above embodiment.
In the present application, the structure of powered device 300 is not limited. For example, powered device 300 may be an energy storage container, or may be a mobile device such as a vehicle, a ship, or a small aircraft, and may include a power source including energy storage device 200 as described above. The power provided by the energy storage device 200 provides a driving force for the powered device 300. The mobile device may be a pure electric device, that is, the driving force of the electric device 300 is all electric energy, and the power source only includes a battery monomer. The mobile device can also be a hybrid power device, and the power source comprises a battery unit, an engine and other power devices. As shown in fig. 7, taking a vehicle as an example, in some embodiments, the electric device 300 is a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid electric vehicle, an extended range vehicle, an electric tricycle, a two-wheel electric vehicle, or the like.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223149639.5U CN219203430U (en) | 2022-11-25 | 2022-11-25 | Collector plate, energy storage device and electrical equipment |
| PCT/CN2023/133926 WO2024109920A1 (en) | 2022-11-25 | 2023-11-24 | Current collector plate, energy storage apparatus and electrical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223149639.5U CN219203430U (en) | 2022-11-25 | 2022-11-25 | Collector plate, energy storage device and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219203430U true CN219203430U (en) | 2023-06-16 |
Family
ID=86713158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223149639.5U Active CN219203430U (en) | 2022-11-25 | 2022-11-25 | Collector plate, energy storage device and electrical equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN219203430U (en) |
| WO (1) | WO2024109920A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024109920A1 (en) * | 2022-11-25 | 2024-05-30 | 厦门海辰储能科技股份有限公司 | Current collector plate, energy storage apparatus and electrical device |
| EP4648210A1 (en) * | 2024-05-10 | 2025-11-12 | AESC Japan Ltd. | Battery and electrical device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119812687A (en) * | 2024-06-28 | 2025-04-11 | 比亚迪股份有限公司 | Collector plates, batteries and electrical devices |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4836428B2 (en) * | 2004-09-29 | 2011-12-14 | 三洋電機株式会社 | Storage battery |
| JP5132269B2 (en) * | 2007-11-13 | 2013-01-30 | 日立ビークルエナジー株式会社 | Lithium ion secondary battery |
| CN216213727U (en) * | 2021-09-30 | 2022-04-05 | 宁德时代新能源科技股份有限公司 | Battery cells, batteries and electrical devices |
| CN216085065U (en) * | 2021-09-30 | 2022-03-18 | 宁德时代新能源科技股份有限公司 | Battery cells, batteries and electrical devices |
| CN115000606B (en) * | 2022-06-17 | 2026-01-09 | 中创新航科技集团股份有限公司 | Battery adapter, battery, and battery manufacturing method |
| CN217788572U (en) * | 2022-06-28 | 2022-11-11 | 湖北亿纬动力有限公司 | Cap assembly, battery module, battery pack and vehicle |
| CN219203430U (en) * | 2022-11-25 | 2023-06-16 | 厦门海辰储能科技股份有限公司 | Collector plate, energy storage device and electrical equipment |
| CN219759878U (en) * | 2023-05-17 | 2023-09-26 | 江苏正力新能电池技术有限公司 | Current collecting disc of battery, battery and electric equipment |
-
2022
- 2022-11-25 CN CN202223149639.5U patent/CN219203430U/en active Active
-
2023
- 2023-11-24 WO PCT/CN2023/133926 patent/WO2024109920A1/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024109920A1 (en) * | 2022-11-25 | 2024-05-30 | 厦门海辰储能科技股份有限公司 | Current collector plate, energy storage apparatus and electrical device |
| EP4648210A1 (en) * | 2024-05-10 | 2025-11-12 | AESC Japan Ltd. | Battery and electrical device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024109920A1 (en) | 2024-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219203430U (en) | Collector plate, energy storage device and electrical equipment | |
| EP3748732A1 (en) | Secondary battery | |
| CN105667333B (en) | Battery module with the electrochemical cell with integrally formed terminal | |
| JP5345565B2 (en) | Battery module | |
| CN101834305B (en) | Rechargeable battery | |
| US7318980B2 (en) | Rechargeable battery | |
| WO2022007481A1 (en) | Lower plastic member for power battery, top cover assembly structure, and power battery | |
| US8535828B2 (en) | Rechargeable battery | |
| CN101501885B (en) | Battery with integrally formed terminal | |
| CN209056523U (en) | Secondary battery | |
| CN104247082A (en) | Electrochemical cell having a fixed cell element | |
| CN217788572U (en) | Cap assembly, battery module, battery pack and vehicle | |
| WO2024000945A1 (en) | End cover assembly, battery, battery module, battery pack and vehicle | |
| CN114914596A (en) | Battery case and battery having the same | |
| WO2024082113A1 (en) | Battery cell, battery, and electrical device | |
| CN118507999A (en) | Expansion-resistant switching piece and battery comprising same | |
| CN218242183U (en) | Battery and battery pack | |
| CN217641684U (en) | Electrode assembly, battery cell, battery and electric device | |
| CN216120495U (en) | Cylindrical battery | |
| CN215816086U (en) | A top cap subassembly and battery for battery | |
| CN221057639U (en) | Terminal assembly, battery end cap, battery and vehicle | |
| WO2025077164A1 (en) | Battery cell and preparation method therefor, and battery and electric device comprising same | |
| US20200235372A1 (en) | System for arranging and coupling battery cells in a battery module | |
| CN119627373A (en) | Method for manufacturing battery cell, battery cell, battery and electric device | |
| JP4708202B2 (en) | Battery and battery manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |