[go: up one dir, main page]

WO2017091965A1 - Ruban adhésif structural - Google Patents

Ruban adhésif structural Download PDF

Info

Publication number
WO2017091965A1
WO2017091965A1 PCT/CN2015/096083 CN2015096083W WO2017091965A1 WO 2017091965 A1 WO2017091965 A1 WO 2017091965A1 CN 2015096083 W CN2015096083 W CN 2015096083W WO 2017091965 A1 WO2017091965 A1 WO 2017091965A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
structural adhesive
adhesive tape
tape according
layer
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.)
Ceased
Application number
PCT/CN2015/096083
Other languages
English (en)
Chinese (zh)
Inventor
戴志芳
陶兴华
郭超
龙海
张文广
胡小明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningde Amperex Technology Ltd
Original Assignee
Ningde Amperex Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningde Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Priority to PCT/CN2015/096083 priority Critical patent/WO2017091965A1/fr
Publication of WO2017091965A1 publication Critical patent/WO2017091965A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/21—Paper; Textile fabrics
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers

Definitions

  • the invention relates to the field of adhesive tape, in particular to a structural adhesive tape.
  • the active material layer is covered on the empty foil area and the adhesive tape, and then two temperature zones are set in the drying tunnel in the drying process, wherein the former temperature zone is the dry temperature zone of the active material layer, and the latter The temperature zone is the heated stripping temperature zone of the adhesive tape, and the active material layer is dried, and the adhesive tape is peeled off by heat, thereby achieving the purpose of leaving an empty foil zone in the active material layer.
  • the use of the conventional structural adhesive paper has the following problem: Referring to FIG. 13, since the application of the active material layer 3' belongs to the quantitative coating, the structural adhesive paper 1 occupies a portion of the active material layer 3, resulting in the structural adhesive tape 1 The active material layer 3' at the edge forms a projection with a certain height difference.
  • the structural adhesive paper 1 is peeled off by the heat curl, the protrusion at the peeling edge cannot be eliminated, and in the subsequent rolling process, the current collector 2' at the protrusion may be subjected to excessive shearing force, causing the foil to become brittle, or even A break occurred and the process did not work properly.
  • the thickness of the active material layer 3' at the edge of the peeling of the conventional structural adhesive paper 1' is larger than the thickness of the active material layer 3' in the normal region, resulting in occurrence of breakage of the tape in the subsequent rolling process.
  • Another object of the present invention is to provide a structural adhesive tape which can improve the utilization rate of the active material, avoid waste of the active material, and at the same time improve the energy density, fast charge and release, and heat dissipation performance of the battery.
  • the present invention provides a structural adhesive sheet for sticking to an object to be bonded.
  • the outer surface of the structural adhesive paper opposite to the object to be bonded has a Dyne value of 20 dyn/cm to 28 dyn/cm.
  • the structural adhesive tape comprises: an adhesive layer for attaching to the object to be bonded; and a substrate, one surface of the substrate is adhered to the adhesive layer, and the other surface of the substrate itself serves as the structure
  • the outer surface of the adhesive paper opposite the object to be bonded, or the other surface of the substrate is surface treated and the surface treated surface serves as the outer surface of the structural adhesive paper opposite the object to be bonded.
  • the outer surface of the structural adhesive paper of the present invention opposite to the object to be bonded has a lower dyne value, so the surface energy is lower, the protrusion of the active material layer at the edge of the structural adhesive tape can be eliminated, and the active material layer is solved.
  • the edge of the ear position is raised.
  • the structural adhesive tape of the invention can improve the utilization rate of the active material, avoid waste of the active material, and simultaneously improve the energy density, fast charge and release, and heat dissipation performance of the battery.
  • the structural adhesive tape of the invention can meet the batch production demand of the battery, and improve the productivity and the excellent product rate of the battery.
  • FIG. 1 is a perspective view of a current collector of a bonded object to which a structural adhesive tape according to the present invention is applied;
  • Figure 2 is a perspective view of a structural adhesive tape adhered to a current collector of a bonded object according to the present invention
  • Figure 3 is a perspective view of a structural adhesive paper coated active material layer in accordance with the present invention.
  • Figure 4 is a perspective view of the structural adhesive tape after peeling according to the present invention.
  • Figure 5 is a perspective view of another embodiment of a structural adhesive sheet adhered to a current collector of a bonded object according to the present invention.
  • Figure 6 is a perspective view showing still another embodiment of the structural adhesive paper adhered to the current collector of the object to be bonded according to the present invention.
  • Figure 7 is a perspective view of an embodiment of a substrate of a structural adhesive tape in accordance with the present invention.
  • Figure 8 is a perspective view of another embodiment of a substrate of a structural adhesive tape according to the present invention.
  • Figure 9 is a perspective view of still another embodiment of a substrate of a structural adhesive tape according to the present invention.
  • Figure 10 is a perspective view of still another embodiment of a substrate of a structural adhesive tape according to the present invention.
  • Figure 11 is a cross-sectional view of the structural adhesive tape of Figure 3 taken along line A-A;
  • Figure 12 is an enlarged view of a circled portion of Figure 11;
  • Figure 13 is a cross-sectional view showing a prior art coated adhesive sheet coated with an active material layer applied to a current collector.
  • the structural adhesive sheet 1 of the present invention is used for sticking to the object 2 to be bonded.
  • the dyne value of the outer surface S of the structural adhesive paper 1 opposite to the object 2 to be bonded is 20 dyn/cm to 28 dyn/cm.
  • the structural adhesive sheet 1 includes an adhesive layer 11 for sticking to the object 2 to be bonded, and a substrate 12.
  • One surface of the substrate 12 is adhered to the adhesive layer 11, and the other surface S i of the substrate 12 (i.e., the surface of the substrate 12 opposite to the one surface adhered to the adhesive layer 11) is used as a structure.
  • the outer surface S of the adhesive paper 1 opposite to the object 2 to be bonded, or the other surface of the substrate 12 (i.e., the surface of the substrate 12 opposite to the one surface adhered to the adhesive layer 11) is subjected to surface treatment.
  • the surface-treated surface S t is used as the outer surface S of the structural adhesive paper 1 opposite to the object 2 to be bonded.
  • FIG. 5 shows the other surface itself S i of the substrate 12, and
  • FIG. 6 shows the surface treated surface S t of the substrate 12.
  • Both the surface S i and the surface S t can be used as the outer surface S of the structural adhesive sheet 1 opposite to the object 2 to be bonded.
  • the dyne value of the outer surface S of the structural adhesive paper 1 opposite to the object 2 to be bonded can be obtained by the Dyne pen test.
  • the object 2 to be bonded may be a current collector.
  • the structural adhesive paper 1 Before coating the slurry of the active material layer 3 on the current collector, the structural adhesive paper 1 is pasted on the tenter-forming area 21 of the current collector, and the slurry is baked after the slurry is coated on the current collector. dry. After the drying is completed, the structural adhesive paper 1 is peeled off to form a reserved area 21 of the tab.
  • the structural adhesive paper 1 of the present invention referring to FIGS. 11 to 12, when the slurry of the active material layer 3 is applied to the outer surface of the bonded object 2 and the structural adhesive paper 1, due to the structure of the adhesive tape 1 The dyne value of the opposite outer surface S of the bonded object 2 is low, and the slurry located at the edge of the structural adhesive tape 1 is weakly bound by the structural adhesive tape 1, so that it is located on the structural adhesive tape under the surface tension of the slurry. The slurry at the edge 1 is slowly shrunk toward the adjacent object 2 to be bonded (in FIG. 7, the body W is contracted in the width direction W), and the drying process of the slurry is also performed simultaneously.
  • the slurry no longer migrates. At this time, the migration of the protrusion at the edge of the structural adhesive tape 1 through the slurry has been eliminated, and the slurry forms an active material layer 3 after drying, and the activity is active.
  • the material layer 3 does not have protrusions.
  • the structural adhesive tape 1 is peeled off by the heat curl, no protrusion occurs at the peeling edge, the edge convex problem of the position of the active material layer 3 is solved, and the occurrence of the breakage phenomenon in the subsequent rolling process is avoided;
  • the utilization rate avoids the waste of active materials, thereby improving the energy density, fast charge and release, and heat dissipation performance of the battery.
  • the viscosity of the active material slurry of the lithium ion battery is from 1000 mPa.s to 30,000 mPa.s.
  • the viscosity of the active material slurry of the lithium ion battery is from 1000 mPa.s to 30,000 mPa.s.
  • high-viscosity active material slurry eg, 30,000 mpa.s> viscosity > 8000 mPa.s
  • the specific conditions are poor due to the poor fluidity of the highly viscous active material slurry.
  • the lower (time control) cannot completely eliminate the edge protrusion of the structural adhesive tape 1; when the dyne value of the outer surface S of the structural adhesive tape 1 is lower than the lower limit, the interaction force between the slurry and the outer surface S of the structural adhesive tape 1 If it is too low, the slurry of the outer surface S of the structural adhesive tape 1 is likely to migrate, and the edge bulging is intensified.
  • the outer surface S of the structural adhesive tape 1 has a dyne value ranging from 20 dyn/cm to 24 dyn/cm.
  • the outer surface S of the structural adhesive tape 1 has a dyne value ranging from 24 dyn/cm to 28 dyn/cm.
  • the structural adhesive sheet 1 may include an adhesive layer 11 and a substrate 12.
  • the adhesive layer 11 is used for sticking to the object 2 to be bonded.
  • One surface of the substrate 12 is adhered to the adhesive layer 11, and the other surface S i of the substrate 12 is used as the outer surface S of the structural adhesive paper 1 opposite to the bonded object 2, and the other of the substrates 12
  • the dyne value of the surface itself S i is 20 dyn/cm to 28 dyn/cm.
  • the substrate 12 having a low surface energy is directly used to control the outer surface S of the structural adhesive tape 1 (i.e., the other surface itself of the substrate 12, S i ) has a dyne value of 20 dyn. /cm ⁇ 28dyn / cm, in order to achieve the purpose of eliminating edge protrusions.
  • the substrate 12 may have a single layer structure, and the surface S i1 of the substrate 12 of the single layer structure serves as the other surface itself of the substrate 12 i .
  • the substrate 12 may be a polyfluoroolefin.
  • the substrate 12 can have N sub-layers, N being greater than or equal to two.
  • One surface of the sub-layer 121 of the substrate 12 adjacent to the adhesive layer 11 (not shown) is adhered to the adhesive layer 11, and the substrate 12 is away from the adhesive layer 11 and is located at the outermost side of the substrate 12.
  • the outer surface S i2 of the sub-layer 122 serves as the other surface S i of the substrate 12 , and the material of the sub-layer 122 of the substrate 12 remote from the adhesive layer 11 and located at the outermost side of the substrate 12 may be a polyfluoroolefin.
  • the substrate 12 may have a multi-layer structure, as long as the material of the sub-layer 122 of the substrate 12 away from the adhesive layer 11 and located at the outermost side of the substrate 12 is a polyfluoroolefin, and the materials of the remaining sub-layers are not limit.
  • the substrate 12 has a two-layer structure as long as the material of the sub-layer 122 is a polyfluoroolefin, and the material of the sub-layer 121 is not limited.
  • the material of the sub-layer 121 may be polyethylene terephthalate (PET), polyimide (PI) or polyamideimide (PAI).
  • the dyne value of the surface of the polyfluoroolefin may range from 20 dyn/cm to 28 dyn/cm.
  • the polyfluoroolefin has a symmetrical structure.
  • the polyfluoroolefin may be polytetrafluoroethylene or polyvinylidene fluoride.
  • the fluorocarbon bonds in polytetrafluoroethylene or polyvinylidene fluoride are symmetrical, so the polar bond interactions cancel each other out.
  • due to the strong electronegativity of the fluorine atom the ability to capture electrons is strong.
  • the positive electric center and the negative electric center do not overlap due to the instantaneous movement of the electron, resulting in a small dispersion force, so that the surface tension is small and the surface energy is low.
  • the material of the adhesive layer 11 may be an acrylate resin or a polyurethane.
  • the binder layer 11 may contain a foaming agent.
  • the foaming agent When the structural adhesive tape 1 is heated, the foaming agent is foamed so that the structural adhesive tape 1 is curled from the opposite side edges of the width direction W toward the intermediate portion, effectively controlling the curling direction of the structural adhesive tape 1; and the structural adhesive tape 1
  • the intermediate portion remains adhered to the object 2 to be bonded without peeling off, and an effective bonding area can be secured to prevent the structural adhesive sheet 1 from falling off from the object 2 to be bonded during heating.
  • the blowing agent may be an azodicarbonamide (AC) blowing agent or a 4,4-oxobisulfonyl hydrazide (OBSH) blowing agent.
  • the blowing agent may have a particle diameter of less than 30 ⁇ m.
  • the thickness of the binder layer 11 may be larger than the particle diameter of the foaming agent and less than 70 ⁇ m.
  • the thickness of the substrate 12 is not limited, and may preferably be less than 30 ⁇ m.
  • the substrate 12 can be rectangular to facilitate subsequent soldering of the tabs.
  • the structural adhesive sheet 1 may include an adhesive layer 11 and a substrate 12.
  • the adhesive layer 11 is used for sticking to the object 2 to be bonded.
  • One surface of the substrate 12 is adhered to the adhesive layer 11, and the other surface of the substrate 12 is subjected to surface treatment and the surface-treated surface St is used as the opposite of the bonded object 2 of the structural adhesive paper 1.
  • the surface S, the surface-treated surface S t of the substrate 12 has a dyne value of 20 dyn/cm to 28 dyn/cm.
  • the surface treatment area of the other surface of the substrate 12 is at least the entire peripheral portion of the other surface of the substrate 12 to reduce the surface energy of the peripheral portion of the substrate 12, The purpose of eliminating the edge protrusions is achieved.
  • the surface treated area of the other surface of the substrate 12 is the entire area of the other surface of the substrate 12.
  • the surface treated surface S t of the substrate 12 can be obtained by applying the silicone oil to the other surface of the substrate 12. Since the molecular chain of the silicone oil is supple, the intermolecular force is small, and the silicon-oxygen bond is easily rotated. The oxygen atom on the skeleton of the molecular segment is combined with the outer surface of the structural adhesive paper by the intermolecular force, so that the methyl group and the like in the silicone oil having a low surface energy are oriented and arranged on the outer surface of the structural adhesive paper.
  • the group such as a methyl group in the silicone oil has low electron attraction, forms a low surface energy interface, and can maintain its orientation stable in a temperature range of -40 ° C to 250 ° C, thereby achieving stable isolation.
  • the silicone oil may be selected from one or more of polydimethylsiloxane, cyclomethicone, aminosiloxane, polymethylphenylsiloxane.
  • the thickness may be from 0.2 ⁇ m to 1 ⁇ m.
  • the silicone oil is applied to at least the entire peripheral portion of the other surface of the substrate 12 to lower the surface energy of the substrate 12 for the purpose of subsequently eliminating edge projections.
  • the surface-treated surface S t of the substrate 12 can also be obtained by subjecting the other surface of the substrate 12 to fluorination treatment.
  • the surface after the fluorination treatment can graft a fluorine-based or fluorocarbon-based group of a non-polar functional group to achieve the purpose of reducing surface energy.
  • the fluorinated treated area is at least the entire peripheral portion of the other surface of the substrate 12 to reduce the surface energy of the substrate 12 for the purpose of subsequently eliminating edge protrusions.
  • the surface of the substrate may be subjected to fluorination treatment using a fluorine-containing plasma gas to obtain the surface-treated surface.
  • the fluorine-containing plasma gas may be a plasma gas of CF 4 or a mixed plasma gas of CF 4 and CH 4 .
  • the substrate 12 may have a single layer structure, and the other surface S t1 of the substrate 12 of the single layer structure is subjected to surface treatment to obtain the substrate 12 described above.
  • Surface treated surface S t Since the surface-treated surface S t of the substrate 12 is obtained by coating the surface S t1 of the other surface S t1 of the substrate 12 of the single-layer structure or performing fluorination treatment, the material of the substrate 12 itself is not limited.
  • substrate 12 can be polyethylene terephthalate (PET), polyimide (PI) or polyamideimide (PAI).
  • Substrate 12 can also be a heat shrinkable material.
  • the substrate 12 may also have an N-layer structure with N being greater than or equal to two.
  • One surface of the sub-layer 121 of the substrate 12 adjacent to the adhesive layer 11 (not shown) is adhered to the adhesive layer 11, and the substrate 12 is away from the adhesive layer 11 and is located at the outermost side of the substrate 12.
  • the outer surface S t2 of the sub-layer 122 is surface-treated to obtain the surface-treated surface S t of the substrate 12.
  • the surface-treated surface of the substrate 12 is obtained by coating the outer surface S t2 of the substrate 12 away from the adhesive layer 11 and at the outermost surface layer 122 of the substrate 12 with a silicone oil or performing a fluorination treatment.
  • the material of the sub-layer 122 of the substrate 12 remote from the adhesive layer 11 and at the outermost side of the substrate 12 may be polyethylene terephthalate (PET), polyimide (PI) or Polyamide imide (PAI).
  • PET polyethylene terephthalate
  • PI polyimide
  • PAI Polyamide imide
  • the material of the sub-layer 122 of the substrate 12 that is remote from the adhesive layer 11 and that is at the outermost side of the substrate 12 may also be a heat-shrinkable material.
  • the material of the remaining sub-layers 121 is also not limited, and may preferably be polyethylene terephthalate (PET), polyimide (PI) or polyamideimide (PAI).
  • the heat shrinkable material when the structural adhesive tape 1 is heated, the heat shrinkable material The material is shrunk so that the structural adhesive tape 1 is curled from the opposite side edges of the width direction W toward the intermediate portion, effectively controlling the curling direction of the structural adhesive tape 1; and the intermediate portion of the structural adhesive tape 1 remains adhered to the bonded object 2 If it is not peeled off, an effective bonding area can be ensured, and the structural adhesive tape 1 can be prevented from falling off from the object 2 to be bonded during the heating process.
  • the heat shrinkable material may be a polyvinyl chloride (PVC) heat shrinkable film, a low molecular weight polyethylene terephthalate (PET) heat shrinkable film or a biaxially oriented polyolefin (POF) heat shrinkable film.
  • PVC polyvinyl chloride
  • PET low molecular weight polyethylene terephthalate
  • POF biaxially oriented polyolefin
  • the thickness of the substrate 12 may be less than 45 ⁇ m.
  • the thickness of the adhesive layer 11 is not limited, and may preferably be less than 10 ⁇ m.
  • the material of the adhesive layer 11 may be an acrylate resin or a polyurethane.
  • the binder layer 11 may contain a foaming agent.
  • the blowing agent may have a particle diameter of less than 30 ⁇ m.
  • the thickness of the binder layer 11 may be larger than the particle diameter of the foaming agent and less than 70 ⁇ m.
  • the thickness of the substrate 12 is not limited, and may preferably be less than 30 ⁇ m.
  • the substrate 12 can be rectangular to facilitate subsequent soldering of the tabs.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesive Tapes (AREA)

Abstract

L'invention concerne un ruban adhésif structural (1), destiné à être collé sur un objet adhérent (2) ; la valeur dyne de la surface extérieure du ruban adhésif structural (1) opposée à l'objet adhérent (2) allant de 20 dyn/cm à 28 dyn/cm. Le ruban adhésif structural (1) comprend : une couche adhésive (11), destinée à être collée sur un objet adhérent (2) ; et un substrat (12), une surface du substrat (12) étant collée sur la couche adhésive (11), et l'autre surface du substrat (12) étant utilisée comme surface extérieure du ruban adhésif structural opposée à l'objet adhérent (2), ou l'autre surface du substrat (12) est traitée en surface et la surface traitée en surface est utilisée comme surface extérieure du ruban adhésif structural (1) opposée à l'objet adhérent (2). Le ruban adhésif structural peut améliorer le taux d'utilisation de substances actives, éviter le gaspillage de substances actives, tandis que la densité d'énergie de la batterie, la charge rapide et la décharge rapide ainsi que les performances de dissipation thermique sont améliorées.
PCT/CN2015/096083 2015-12-01 2015-12-01 Ruban adhésif structural Ceased WO2017091965A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/096083 WO2017091965A1 (fr) 2015-12-01 2015-12-01 Ruban adhésif structural

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/096083 WO2017091965A1 (fr) 2015-12-01 2015-12-01 Ruban adhésif structural

Publications (1)

Publication Number Publication Date
WO2017091965A1 true WO2017091965A1 (fr) 2017-06-08

Family

ID=58796110

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/096083 Ceased WO2017091965A1 (fr) 2015-12-01 2015-12-01 Ruban adhésif structural

Country Status (1)

Country Link
WO (1) WO2017091965A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110219891A (zh) * 2019-06-28 2019-09-10 江苏立一新材料科技有限公司 双基座自润滑轴套
CN110219885A (zh) * 2019-06-28 2019-09-10 江苏立一新材料科技有限公司 散热自润滑轴套
CN110242673A (zh) * 2019-06-28 2019-09-17 江苏立一新材料科技有限公司 自润滑散热轴承板材

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2423287A1 (fr) * 2010-08-27 2012-02-29 Nitto Denko Corporation Bande adhésive sensible à la pression pour batterie non aqueuse
CN202246521U (zh) * 2011-04-20 2012-05-30 日东电工株式会社 电化学装置用粘合带
CN203277543U (zh) * 2013-05-02 2013-11-06 东莞新能源科技有限公司 软包装锂离子电池及其极耳
US20130309565A1 (en) * 2012-05-17 2013-11-21 Xiang-Ming He Current collector, electrochemical cell electrode and electrochemical cell
CN103545559A (zh) * 2013-10-08 2014-01-29 宁德新能源科技有限公司 一种叠片式锂离子电池
CN104073179A (zh) * 2013-03-29 2014-10-01 日东电工（上海松江）有限公司 电化学装置用粘合带

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2423287A1 (fr) * 2010-08-27 2012-02-29 Nitto Denko Corporation Bande adhésive sensible à la pression pour batterie non aqueuse
CN202246521U (zh) * 2011-04-20 2012-05-30 日东电工株式会社 电化学装置用粘合带
US20130309565A1 (en) * 2012-05-17 2013-11-21 Xiang-Ming He Current collector, electrochemical cell electrode and electrochemical cell
CN104073179A (zh) * 2013-03-29 2014-10-01 日东电工（上海松江）有限公司 电化学装置用粘合带
CN203277543U (zh) * 2013-05-02 2013-11-06 东莞新能源科技有限公司 软包装锂离子电池及其极耳
CN103545559A (zh) * 2013-10-08 2014-01-29 宁德新能源科技有限公司 一种叠片式锂离子电池

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110219891A (zh) * 2019-06-28 2019-09-10 江苏立一新材料科技有限公司 双基座自润滑轴套
CN110219885A (zh) * 2019-06-28 2019-09-10 江苏立一新材料科技有限公司 散热自润滑轴套
CN110242673A (zh) * 2019-06-28 2019-09-17 江苏立一新材料科技有限公司 自润滑散热轴承板材

Similar Documents

Publication Publication Date Title
CN105742565A (zh) 一种锂离子电池极片及其制备方法
CN204939378U (zh) 结构胶纸
US11038242B2 (en) Electrode assembly and method for manufacturing the same
TW201620716A (zh) 半導體晶圓加工用片材用基材、半導體晶圓加工用片材、及半導體裝置之製造方法
CN108787747B (zh) 一种超薄锂箔的制备方法
WO2017091965A1 (fr) Ruban adhésif structural
CN109642128A (zh) 双面有机硅粘合片及双面有机硅粘合片的制造方法
CN108431992A (zh) 隔膜和包含其的电池
CN106784628A (zh) 一种包含转移式固体电解质薄层的电极及其制备工艺、应用
WO2017219219A1 (fr) Adhésif structuré
CN107304333B (zh) 结构胶纸及其制备方法
US11459487B2 (en) Gummed paper
CN107286855B (zh) 结构胶纸及其制备方法
CN106811143B (zh) 结构胶纸
JP2018032627A5 (fr)
CN108461702A (zh) 电极体的制造方法和制造装置
CN105873414B (zh) 用于石墨导热散热贴片的制造工艺
CN112608690B (zh) 胶纸及应用所述胶纸的锂离子电池极片的制备方法
WO2018072137A1 (fr) Papier adhésif structural et procédé de préparation associé
JP2010278183A (ja) 電解コンデンサ及び電解コンデンサ用巻き止めテープ
WO2018000132A1 (fr) Ruban adhésif structural
CN112500809B (zh) 胶纸及应用所述胶纸的锂离子电池极片的制备方法
JP2001357839A (ja) 電池の製造方法
CN109536067B (zh) 一种防止辊压溢胶的耐高温胶带
CN111293273A (zh) 电极片转录方法、电池、电极片及其应用

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15909482

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15909482

Country of ref document: EP

Kind code of ref document: A1