CN222380816U - Bare cell insulating sheet, battery monomer and power device - Google Patents
Bare cell insulating sheet, battery monomer and power device Download PDFInfo
- Publication number
- CN222380816U CN222380816U CN202323275701.XU CN202323275701U CN222380816U CN 222380816 U CN222380816 U CN 222380816U CN 202323275701 U CN202323275701 U CN 202323275701U CN 222380816 U CN222380816 U CN 222380816U
- Authority
- CN
- China
- Prior art keywords
- positioning
- insulating sheet
- section
- bare cell
- side plate
- 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.)
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Links
- 239000000178 monomer Substances 0.000 title description 7
- 238000009413 insulation Methods 0.000 claims abstract 10
- 230000008018 melting Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- Battery Mounting, Suspending (AREA)
Abstract
本实用新型公开了一种裸电芯绝缘片、电池单体和动力装置，所述裸电芯绝缘片包括：绝缘片本体，所述绝缘片本体用于包覆极组，所述绝缘片本体上形成有定位部，所述定位部用于对侧板进行定位。根据本实用新型的裸电芯绝缘片，通过在绝缘片本体上设置定位部，起到了固定侧板的作用，且能够有效的避免侧板发生弯曲形变，导致电芯装配不良的情况，提高了裸电芯绝缘片的产品品质，降低了故障率。
The utility model discloses a bare cell insulation sheet, a battery cell and a power device, wherein the bare cell insulation sheet comprises: an insulation sheet body, the insulation sheet body is used to cover the pole group, and a positioning part is formed on the insulation sheet body, and the positioning part is used to position the side plate. According to the bare cell insulation sheet of the utility model, by setting the positioning part on the insulation sheet body, the side plate is fixed, and the side plate can be effectively prevented from bending and deforming, resulting in poor assembly of the battery cell, thereby improving the product quality of the bare cell insulation sheet and reducing the failure rate.
Description
Technical Field
The utility model relates to the technical field of power device manufacturing, in particular to a bare cell insulating sheet, a battery monomer and a power device.
Background
In the related art, with the increasing maturity of the lithium ion battery technology, the lithium ion battery is widely applied to the electric automobile and the energy storage field as a power battery, and the requirements on the use performance and the safety of the lithium ion battery are increasing. The bare cell insulating sheet is an important part of the blade cell, and has the main function of protecting the pole group and avoiding the short circuit of the pole group.
The insulating piece of traditional naked electric core is whole to rectangle structure, and the indentation is convenient for buckle according to polar group size design, and the minor face side has the locating hole to be used for the clamping location, and the curb plate is placed at insulating piece side hot melt welding. Because the aspect ratio of the blade battery side plate is large, the battery core side plate is easy to bend and deform, the side plate is bent beyond folds after being placed on the bare battery core insulating plate, the side plate and the bare battery core insulating plate are fixed by hot melting, and the wrapping difficulty of the wrapping pole group of the bare battery core insulating plate is abnormal.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model aims to provide the bare cell insulating sheet which can fix the side plate and effectively avoid bending deformation of the side plate.
The utility model also provides a battery cell with the bare cell insulating sheet.
The utility model also provides a power device.
The bare cell insulating sheet comprises an insulating sheet body, wherein the insulating sheet body is used for covering a pole group, and a positioning part is formed on the insulating sheet body and used for positioning a side plate.
According to the bare cell insulating sheet, the positioning part is arranged on the insulating sheet body, so that the function of fixing the side plate is achieved, bending deformation of the side plate can be effectively avoided, poor assembly of the cell is caused, the product quality of the bare cell insulating sheet is improved, and the failure rate is reduced.
In some embodiments, the positioning portion is formed as a positioning opening, the positioning opening is formed with a first section extending along a length direction of the insulating sheet, the positioning opening is formed with a second section and a third section extending along a width direction of the insulating sheet, and the second section and the third section are respectively connected to both ends of the first section.
In some embodiments, a spacer is formed on the periphery of the positioning opening, one end of the spacer in the width direction is connected to the insulating sheet body, and the other end of the spacer in the width direction extends to cover the positioning opening.
In some embodiments, the positioning pieces include two, the one ends of the two positioning pieces are respectively connected to two side edges of the width direction of the positioning opening, and the other ends of the positioning pieces extend in opposite directions.
In some embodiments, the positioning portion includes a plurality of positioning portions, and the plurality of positioning portions are arranged at intervals in a length direction of the insulating sheet body.
The battery cell according to the second aspect of the utility model comprises a side plate and a bare cell insulating sheet according to the first aspect of the utility model, wherein the side plate is provided with a narrow section, and the narrow section is arranged in the positioning opening.
According to the battery cell, the bare cell insulating sheet of the first aspect is arranged, so that the product quality of the battery cell is improved, the damage rate of the battery cell is reduced, and the assembly steps of the battery cell are simplified.
In some embodiments, the narrow section includes a plurality of narrow sections, and the plurality of narrow sections are arranged in one-to-one correspondence with the plurality of positioning ports.
In some embodiments, the side plate is formed with a plurality of wide sections, one narrow section being connected between each two wide sections.
In some embodiments, the side plate is thermally fused to the bare cell insulating sheet.
The power plant according to the third aspect of the utility model includes the battery cell according to the above second aspect of the utility model.
According to the power device, the battery monomer of the second aspect is arranged, so that the risk coefficient of the power device is reduced, and the safety performance and the product quality of the power device are 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 schematic diagram of a bare cell insulating sheet according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the assembly of the bare cell insulating sheet and side plates shown in FIG. 1;
fig. 3 is an assembled schematic view of the bare cell insulating sheet and the side plate shown in fig. 2 from another view angle.
Reference numerals:
100. The bare cell comprises a bare cell insulating sheet, a bare cell insulating sheet body, a 1 positioning opening, a 11 first section, a 12 second section, a 13 third section, a 14 positioning sheet, a 200 side plate, a 201 narrow section, a 202 wide section.
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 and intended to explain the present utility model and should not be construed as limiting the utility model.
A bare cell insulating sheet 100 according to an embodiment of the first aspect of the present utility model is described below with reference to fig. 1 to 3.
As shown in fig. 1, a bare cell insulating sheet 100 according to an embodiment of the first aspect of the present utility model includes an insulating sheet body 101, the insulating sheet body 101 being used for covering a pole group, a positioning portion being formed on the insulating sheet body 101, the positioning portion being used for positioning a side plate 200. Thus, the positioning portion has a simple structure, and facilitates the assembly of the side plate 200 and the insulating sheet body 101.
According to the bare cell insulating sheet 100 provided by the embodiment of the utility model, the positioning part is arranged on the insulating sheet body 101, so that the function of fixing the side plate 200 is achieved, bending deformation of the side plate 200 can be effectively avoided, poor assembly of the cell is caused, the product quality of a single cell is improved, and the failure rate is reduced.
In some embodiments of the present utility model, the positioning portion is formed as the positioning hole 1, the positioning hole 1 is formed with the first section 11, the first section 11 extends along the length direction of the insulating sheet, the positioning hole 1 is formed with the second section 12 and the third section 13, the second section 12 and the third section 13 extend along the width direction of the insulating sheet, and the second section 12 and the third section 13 are respectively connected at both ends of the first section 11. It will be appreciated that the locating slot 1 is formed as an i-shaped slot. Therefore, the positioning port 1 is simple in structure, ingenious in design and convenient to produce.
In some embodiments of the present utility model, as shown in fig. 2, the positioning hole 1 is formed with a positioning piece 14 along the circumference thereof, one end of the positioning piece 14 in the width direction is connected to the insulating piece body 101, and the other end of the positioning piece 14 in the width direction extends and covers the positioning hole 1. Therefore, the positioning sheet 14 is used for further fixing the side plate 200, so that the positioning strength of the positioning part to the side plate 200 is improved, the side plate 200 is further prevented from being shifted, the product quality of the battery cell is further improved, and the battery cell is simple in structure and easy to produce.
In some embodiments of the present utility model, the positioning pieces 14 include two positioning pieces 14, one ends of the two positioning pieces 14 are respectively connected to two side edges of the positioning opening 1 in the width direction, and the other ends of the positioning pieces 14 extend toward each other. Therefore, the bare cell insulating sheet 100 has a simple structure, and the two insulating sheets can further avoid the displacement of the side plate 200 in the direction of the wide section 202 of the side plate 200, so that the design is ingenious.
In some embodiments of the present utility model, as shown in fig. 1, the positioning portion includes a plurality of positioning portions that are arranged at intervals in the length direction of the insulating sheet body 101. Thus, the plurality of positioning portions can further position the side plate 200, and displacement of the side plate 200 can be preferably avoided, so that the reliability is improved.
The battery cell according to the second aspect of the embodiment of the present utility model includes a side plate 200 and the bare cell insulating sheet 100 according to the above-described first aspect of the embodiment of the present utility model, the side plate 200 is formed with a narrow section 201, and the narrow section 201 is disposed in the positioning hole 1 of the bare cell insulating sheet 100.
According to the battery cell of the embodiment of the utility model, by arranging the bare cell insulating sheet 100 of the embodiment of the first aspect, the product quality of the battery cell is improved, the damage rate of the battery cell is reduced, and the assembly steps of the battery cell are simplified.
In some embodiments of the present utility model, the narrow section 201 includes a plurality of narrow sections 201, and the plurality of narrow sections 201 are disposed in one-to-one correspondence with the plurality of positioning ports 1. Thus, the side plate 200 can be better fixed without affecting the normal use of the side plate 200.
In some embodiments of the present utility model, the side plate 200 is formed with a plurality of wide sections 202, with one narrow section 201 connected between each two wide sections 202. As shown in fig. 2, a narrow section 201 is connected at each end thereof to a wide section 202. Thus, the side plate 200 has a simple structure and a smart design, and is convenient to produce and manufacture.
In some embodiments of the present utility model, the side plate 200 is thermally fused to the bare cell insulating sheet 100. Therefore, the connection mode is simple, the assembly difficulty of the battery monomer is reduced, and the production efficiency of the battery monomer is improved.
A power plant according to an embodiment of the third aspect of the present utility model comprises a battery cell according to an embodiment of the above-described second aspect of the present utility model.
According to the power device provided by the embodiment of the utility model, the battery monomer of the second aspect is arranged, so that the risk coefficient of the power device is reduced, and the safety performance and the product quality of the power device are improved.
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", "clockwise", "counterclockwise", "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 simplifying 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.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
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, mechanically connected, electrically connected, or in communication, directly connected, or indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between 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 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.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323275701.XU CN222380816U (en) | 2023-11-30 | 2023-11-30 | Bare cell insulating sheet, battery monomer and power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323275701.XU CN222380816U (en) | 2023-11-30 | 2023-11-30 | Bare cell insulating sheet, battery monomer and power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222380816U true CN222380816U (en) | 2025-01-21 |
Family
ID=94243731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323275701.XU Active CN222380816U (en) | 2023-11-30 | 2023-11-30 | Bare cell insulating sheet, battery monomer and power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222380816U (en) |
-
2023
- 2023-11-30 CN CN202323275701.XU patent/CN222380816U/en active Active
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| GR01 | Patent grant | ||
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