WO2014107090A1 - Plage de connexion thermique destinée à une batterie rechargeable et support de piles comprenant celle-ci - Google Patents

Plage de connexion thermique destinée à une batterie rechargeable et support de piles comprenant celle-ci Download PDF

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Publication number
WO2014107090A1
WO2014107090A1 PCT/KR2014/000145 KR2014000145W WO2014107090A1 WO 2014107090 A1 WO2014107090 A1 WO 2014107090A1 KR 2014000145 W KR2014000145 W KR 2014000145W WO 2014107090 A1 WO2014107090 A1 WO 2014107090A1
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WO
WIPO (PCT)
Prior art keywords
thermal pad
battery cell
battery
bubble generation
exhaust
Prior art date
Application number
PCT/KR2014/000145
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English (en)
Korean (ko)
Inventor
진예진
Original Assignee
에스케이이노베이션 주식회사
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Application filed by 에스케이이노베이션 주식회사 filed Critical 에스케이이노베이션 주식회사
Publication of WO2014107090A1 publication Critical patent/WO2014107090A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H01M10/6555—Rods or plates arranged between the cells
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention relates to a thermal pad for a secondary battery and a battery module having the same.
  • the secondary battery has the convenience of being able to be charged and discharged, and has attracted much attention as a power source of various mobile devices, such as electric vehicles and hybrid vehicles.
  • Applications using such secondary batteries are gradually diversified due to the advantages of secondary batteries, and the types of batteries are also being developed to output more compact and powerful power to provide outputs and capacities suitable for such types.
  • the secondary battery may be manufactured in various forms, such as a pouch type, a cylindrical shape, or a square shape.
  • a pouch type in the case of the pouch type, its shape is relatively free, light in weight, slim and lightweight, and is widely used for portable devices.
  • the pouch serving as a case in the pouch-type secondary battery has a laminated structure in which a thin film of a metal film and an insulating film are attached to both sides thereof, and is freely bent, unlike a cylindrical or rectangular shape formed of a thick metal material.
  • the pouch itself forming the outer shape is made of a flexible material, there is no rigidity, so it is difficult to apply a separate structure for improving heat dissipation characteristics. That is, it is difficult to effectively dissipate heat generated from the electrode assembly inside the pouch.
  • a module having a stacked structure for stacking a plurality of battery cells has been developed.
  • the stacked battery module has a structure of making electrical connections by stacking battery cells.
  • the laminated battery module can obtain a high output, but it is not easy to remove the heat generated in the battery cell during charging and discharging. If the heat dissipation of the battery cell is not made properly, the deterioration of the battery cell is faster and the life is shortened.
  • the cooling means for discharging the heat generated from the battery cell to the outside a heat transfer member in thermal contact with the battery cell, and a water-cooled or air-cooled cooling unit for removing the heat absorbed by the heat transfer member is used.
  • the heat transfer member is a heat bridge that connects the battery cell and the cooling unit to move the heat of the battery cell to the cooling unit to lower the heat of the battery cell.
  • a thermal pad is used to physically fix the heat transfer member and the battery cell.
  • the thermal pad is a sheet-shaped member having a predetermined thickness with adhesive surfaces formed on both surfaces thereof, and physically closely fixes the battery cell to the heat transfer member in a state interposed between the heat transfer member and the battery cell.
  • the conventional thermal pad since the conventional thermal pad has a certain extent, it has a disadvantage that bubbles can be generated between the target surface and the target surface when bonded to the surface to be bonded. That is, bubbles may enter between the thermal pad and the target surface.
  • the thermal pad and the target surface will spread to prevent proper heat transfer.
  • the physical adhesion of the battery cell to the heat transfer member will be weak.
  • the heat transfer member may be easily detached from the battery cell by vibration. When the area occupied by the bubble is about 20% of the thermal pad area, the heat transfer performance is significantly reduced.
  • a pouch type battery cell does not have a standardized shape (because the pouch itself is made of a flexible material and has no rigidity), and thus the surface thereof is not smooth. Therefore, it is very difficult to completely attach the thermal pad to the pouch type battery cell. .
  • the present invention was created to solve the above problems, and since the bubble generation prevention means is applied, the secondary battery thermal can increase the heat dissipation and adhesion efficiency even if the state of the target surface is not smooth, it can be perfectly adhered to the target surface.
  • An object of the present invention is to provide a pad and a battery module having the same.
  • a battery module having a thermal pad for a secondary battery of the present invention for achieving the above object is a pouch-type battery cell capable of charging and discharging;
  • a heat transfer member configured to move heat generated from the battery cell to the outside of the battery cell while being in close contact with the battery cell with a thermal pad therebetween; It is composed of a cooling unit for receiving and removing heat from the heat transfer member, the thermal pad;
  • a sheet-shaped member having a predetermined thickness having an adhesive surface on both surfaces, the sheet-like member having bubble generation prevention means for preventing air bubbles from being trapped between the adhesive surface and the target surface when the adhesive is fixed to the target surface.
  • the thermal pad is also provided between the heat transfer member and the cooling unit.
  • the bubble generation means It penetrates in the thickness direction of the thermal pad, and one end thereof is opened in the rim direction of the thermal pad.
  • the exhaust slit is a slit having a predetermined width and extending in the longitudinal direction, and a plurality of exhaust slits form a pattern extending in parallel with each other.
  • the bubble generation means A plurality of exhaust holes penetrated in the thickness direction of the thermal pad.
  • the groove is formed on the adhesive surface of the thermal pad, and is an exhaust groove extending in the longitudinal direction and at least one end of which is opened in the rim direction of the thermal pad.
  • the secondary battery thermal pad of the present invention for achieving the above object is interposed between the battery cell capable of charging and discharging and the heat transfer member for discharging the heat discharged from the battery cell to the outside of the battery cell, It is fixed to the secondary battery and transfers the heat of the battery cell to the heat transfer member, and is a sheet-shaped member having a certain thickness with an adhesive surface on both sides, and bubbles are trapped between the adhesive surface and the target surface when fixing to the target surface. It has a bubble generation prevention means for preventing it.
  • the bubble generation means An exhaust slit penetrating in the thickness direction of the thermal pad, and one end thereof is opened in the rim direction of the thermal pad.
  • the exhaust slit Slits having a constant width and extending in the longitudinal direction, the plurality of which form a pattern extending in parallel with each other.
  • the bubble generation means A plurality of exhaust holes penetrated in the thickness direction of the thermal pad.
  • the groove is formed on the adhesive surface of the thermal pad, and is an exhaust groove extending in the longitudinal direction and at least one end of which is opened in the rim direction of the thermal pad.
  • the foam generation preventing means is applied to the secondary pad of the secondary battery of the present invention made as described above, even if the state of the target surface is not smooth, it can be perfectly adhered to the target surface, thereby increasing heat dissipation and adhesion efficiency.
  • FIG. 1 is a view showing the structure of a battery module having a thermal pad for a secondary battery according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a thermal pad for a secondary battery according to an embodiment of the present invention.
  • FIG. 3 is a plan view illustrating another example of a thermal pad for a secondary battery according to an embodiment of the present invention.
  • FIG. 4 is a view showing another example of a thermal pad for a secondary battery according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating another example of a thermal pad for a secondary battery according to an embodiment of the present invention.
  • FIG. 6 is a perspective view illustrating another example of a thermal pad for a secondary battery according to an embodiment of the present invention.
  • FIG. 7 is a cross-sectional view taken along line VII-VII of FIG. 6.
  • FIG. 8 is a perspective view illustrating another example of a thermal pad for a secondary battery according to an embodiment of the present invention.
  • FIG. 1 is a view showing the structure of a battery module 11 having a secondary battery thermal pad 19 according to an embodiment of the present invention.
  • the battery module 11 As shown, the battery module 11 according to the present embodiment, the pouch-type battery cell 15 capable of charging and discharging, and the sheet-type thermal pad 19 between the fixed and fixed to the battery cell 15 And a heat transfer member 17 for moving the heat generated from the battery cell 15 to the outside of the battery cell in a state, and a cooling unit 13 for receiving and removing heat from the heat transfer member 17.
  • the battery cell 15 is a pouch-type secondary battery and forms a package on the cooling unit 13 in a state where a plurality of the secondary cells are arranged side by side. As with a normal pouch type secondary battery, the battery cell 15 also has a structure in which a pouch surrounds an electrode assembly (not shown), and generates a lot of heat in the electrode assembly during charging and discharging.
  • the heat transfer member 17 is formed by bending a metal plate having a predetermined thickness, the heat absorbing portion 17a which is combined with the battery cell 15 to absorb heat of the battery cell 15, and the heat absorbing portion ( It is formed at the lower end of the 17a) and consists of a support 17b for vertically supporting the heat absorbing portion 17a.
  • the angle between the heat absorbing portion 17a and the support portion 17b may be at right angles or not at right angles.
  • the cooling unit 13 may be a water-cooled heat exchanger through which cooling water passes. As the cooling water passes, the cooling unit 13 maintains a low temperature and absorbs and removes the heat transferred through the heat transfer member 17.
  • the thermal pad 19 is interposed between the battery cell 15 and the heat absorbing portion 17a, the support portion 17b, and the cooling portion 13, and the battery cell 15 is connected to the heat absorbing portion 17a.
  • the support part 17b is fixed to the cooling part 13.
  • the thermal pad 19 looks like a general thermal pad, but the thermal pad 19 according to the present embodiment has various forms of bubble generation prevention means applied thereto, for example, takes the form of FIGS. 2 to 8. .
  • FIG 2 is a perspective view of a thermal pad 19 for a secondary battery according to an embodiment of the present invention.
  • the thermal pad 19 shown in FIG. 2 is a rectangular sheet-like member having a constant thickness and has an adhesive surface 19c on both surfaces.
  • a plurality of exhaust exhaust slits 19a are formed as bubble generation prevention means.
  • the exhaust slit 19a is a slit of a predetermined width that is completely penetrated in the thickness direction of the thermal pad 19.
  • the exhaust slit 19a extends in the longitudinal direction and one end thereof is open to both end sides of the thermal pad 19.
  • the exhaust slits 19a are formed in parallel with each other.
  • FIG 3 is a plan view showing another example of the thermal pad 19 for a secondary battery according to an embodiment of the present invention.
  • the pattern of the exhaust slit 19a is different from that of FIG. That is, in the case of Figure 2, the direction of extension of any of the exhaust slits is opposite to the direction of extension of the neighboring exhaust slits.
  • the exhaust slits 19a of FIG. 3 four exhaust slits 19a are formed at the center of the thermal pad 19. FIG. Start and extend in the opposite direction.
  • the formation pattern of the exhaust slit 19a is different, the functions of the exhaust slit 19a are the same.
  • FIG. 4 is a view showing another example of a thermal pad for a secondary battery according to an embodiment of the present invention.
  • each exhaust slit 19a is also open in the thickness direction of the thermal pad.
  • FIG. 5 is a diagram illustrating another example of a thermal pad for a secondary battery according to an embodiment of the present invention.
  • a plurality of exhaust holes 19b are formed in the inner region of the thermal pad 19.
  • the exhaust hole 19b is a hole penetrated in the thickness direction of the thermal pad 19 itself.
  • the shape, size, or formation pattern of the exhaust hole 19b may vary as needed.
  • FIG. 6 is a perspective view illustrating still another example of a thermal pad for a secondary battery according to an embodiment of the present invention
  • FIG. 7 is a cross-sectional view taken along line VII-VII of FIG. 6.
  • the thermal pad 19 shown in Fig. 6 is a type having a plurality of exhaust grooves 19d as bubble generation prevention means.
  • the exhaust slit 19a and the exhaust hole 19b are completely penetrated in the thickness direction of the thermal pad 19.
  • 19 is an exhaust groove 19d which is not penetrated (concave and long).
  • the exhaust groove 19d has a predetermined width, extends in the longitudinal direction, and has an open end at both ends of the thermal pad 19. Therefore, bubbles trapped around the exhaust grooves 19d enter the exhaust grooves 19d during the bonding process of the thermal pad 19 and move along the longitudinal direction of the exhaust grooves 19d and are dispersed in the atmosphere.
  • the exhaust grooves 19d are formed parallel to each other, but the patterns of the exhaust grooves 19d may be changed in various ways. For example, it can also be implemented in a grid or curved form.
  • FIG 8 is a perspective view illustrating still another example of the thermal pad 19 for a secondary battery according to an embodiment of the present invention.
  • the exhaust slit 19a and the exhaust groove 19d are applied together.
  • the exhaust slits 19a are extended in parallel in the longitudinal direction, and one end thereof is opened to the end of the thermal pad, and the exhaust grooves 19d are perpendicular to the exhaust slits 19a. Extends.
  • the function of the exhaust slit 19a and the exhaust groove 19d is as described above.
  • the thermal pad 19 of the present embodiment configured as described above can easily discharge bubbles trapped between the target surface and the outside when the thermal pad is attached to the outside, and thus the battery cell 15 or heat transfer to the thermal pad.
  • the engagement of the members 19 remains strong and heat transfer can also be implemented as originally designed.

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  • General Chemical & Material Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention a trait à une plage de connexion thermique qui est destinée à une batterie rechargeable et à un support de piles qui comprend ladite plage de connexion thermique. Le support de piles selon la présente invention comprend : un élément de batterie de type à poche qui est en mesure d'être chargé/déchargé ; un élément de transfert de chaleur qui est destiné à transférer la chaleur qui est générée dans l'élément de batterie vers l'extérieur de l'élément de batterie alors que ledit élément de transfert de chaleur est étroitement fixé à l'élément de batterie, une plage de connexion thermique étant disposée entre ces derniers ; et une unité de refroidissement qui est destinée à recevoir et à supprimer la chaleur qui est transférée à partir de l'élément de transfert de chaleur, la plage de connexion thermique étant un élément de type feuille qui est doté d'une surface adhésive des deux côtés de celui-ci et qui est pourvu d'une épaisseur prédéterminée, et étant dotée d'un moyen de prévention contre la génération de bulle d'air qui est destiné à empêcher que des bulles d'air ne soient prises au piège entre la surface adhésive et une surface cible lorsque la plage de connexion est fixée de manière adhésive sur la surface cible. Dans la mesure où la plage de connexion thermique ainsi conçue et destinée à une batterie rechargeable selon la présente invention est pourvue du moyen de prévention contre la génération de bulle d'air qui est appliqué sur celle-ci, la plage de connexion thermique peut parfaitement adhérer à une surface cible, y compris si la surface cible n'est pas plate et lisse, et elle peut ainsi augmenter la dissipation thermique et l'efficacité d'adhérence.
PCT/KR2014/000145 2013-01-07 2014-01-07 Plage de connexion thermique destinée à une batterie rechargeable et support de piles comprenant celle-ci WO2014107090A1 (fr)

Applications Claiming Priority (2)

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KR1020130001603A KR102065748B1 (ko) 2013-01-07 2013-01-07 이차전지용 써멀패드 및 이를 갖는 전지모듈
KR10-2013-0001603 2013-01-07

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CN106856230A (zh) * 2015-12-09 2017-06-16 宁德时代新能源科技股份有限公司 电池模组
CN106953136A (zh) * 2016-01-07 2017-07-14 通用汽车环球科技运作有限责任公司 现场固化的热界面材料

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KR101715697B1 (ko) * 2014-10-07 2017-03-13 주식회사 엘지화학 냉각부재로서 열전소자부를 갖는 전지모듈
US9774064B2 (en) * 2015-11-30 2017-09-26 Lg Chem, Ltd. Battery pack
KR102258178B1 (ko) 2017-10-27 2021-06-03 주식회사 엘지에너지솔루션 냉각 및 조립 구조를 단순화시킨 배터리 모듈 및 그 제조방법
KR102331161B1 (ko) 2018-02-19 2021-11-26 주식회사 엘지에너지솔루션 열흡수형 첨가제를 사용한 이차전지
KR20200145297A (ko) * 2019-06-21 2020-12-30 삼성에스디아이 주식회사 배터리 팩
KR20210074835A (ko) 2019-12-12 2021-06-22 현대자동차주식회사 이차전지
KR20240000974A (ko) * 2022-06-24 2024-01-03 주식회사 엘지에너지솔루션 전지 모듈

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KR20120048938A (ko) * 2010-11-08 2012-05-16 주식회사 엘지화학 전지모듈 및 이를 포함하는 리튬이차 전지팩

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CN106856230A (zh) * 2015-12-09 2017-06-16 宁德时代新能源科技股份有限公司 电池模组
CN106856230B (zh) * 2015-12-09 2019-11-05 宁德时代新能源科技股份有限公司 电池模组
CN106953136A (zh) * 2016-01-07 2017-07-14 通用汽车环球科技运作有限责任公司 现场固化的热界面材料
CN106953136B (zh) * 2016-01-07 2019-08-27 通用汽车环球科技运作有限责任公司 现场固化的热界面材料

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