WO2019045365A1 - Batterie secondaire de type poche comprenant un élément de transfert de chaleur - Google Patents

Batterie secondaire de type poche comprenant un élément de transfert de chaleur Download PDF

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Publication number
WO2019045365A1
WO2019045365A1 PCT/KR2018/009752 KR2018009752W WO2019045365A1 WO 2019045365 A1 WO2019045365 A1 WO 2019045365A1 KR 2018009752 W KR2018009752 W KR 2018009752W WO 2019045365 A1 WO2019045365 A1 WO 2019045365A1
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WO
WIPO (PCT)
Prior art keywords
secondary battery
electrode assembly
heat transfer
transfer member
type secondary
Prior art date
Application number
PCT/KR2018/009752
Other languages
English (en)
Korean (ko)
Inventor
문재원
한형석
유형균
팽기훈
Original Assignee
주식회사 엘지화학
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
Priority claimed from KR1020180097286A external-priority patent/KR102630853B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to PL18852100T priority Critical patent/PL3582319T3/pl
Priority to JP2019553888A priority patent/JP6833253B2/ja
Priority to CN201880008025.2A priority patent/CN110226259B/zh
Priority to US16/473,452 priority patent/US11183717B2/en
Priority to EP18852100.9A priority patent/EP3582319B1/fr
Publication of WO2019045365A1 publication Critical patent/WO2019045365A1/fr

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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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/105—Pouches or flexible bags
    • 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
    • H01M10/64—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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • 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
    • 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

Definitions

  • the present invention relates to a pouch type secondary battery including a heat transfer member and, in the case of using a battery case made of a laminate sheet, in order to enhance heat dissipation of the secondary battery without adding a separate cooling member, And a heat transfer member for connecting the pouch type secondary battery to the pouch type secondary battery.
  • the rechargeable secondary battery is an electric vehicle (EV), a hybrid electric vehicle (HEV), a plug-in electric vehicle (HEV) and the like, which are proposed as solutions for the air pollution of existing gasoline vehicles and diesel vehicles using fossil fuels Hybrid electric vehicles (Plug-In HEVs) and the like, and are attracting attention as a power source for devices requiring high output large capacity.
  • EV electric vehicle
  • HEV hybrid electric vehicle
  • HEV plug-in electric vehicle
  • Plug-In HEVs Hybrid electric vehicles
  • the secondary battery can be classified into a cylindrical battery cell, a prismatic battery cell, and a pouch-shaped battery cell depending on its shape.
  • a pouch-type battery cell which can be stacked with a high degree of integration, has a high energy density per unit weight, and is inexpensive and easy to deform is attracting much attention.
  • the pouch-shaped battery cell means a battery cell having a battery case made of a laminate sheet, and an electrode assembly is built in the battery case.
  • Lithium rechargeable batteries are subject to high temperatures and high pressures within the battery, which can be caused by abnormal operating conditions of the battery, such as internal short circuits, overcharged conditions exceeding the permissible current and voltage, exposure to high temperatures, dropping, Explosion of the battery may be caused.
  • a method of increasing the heat capacity by using a thick current collector can be used.
  • the thickness of the current collector is increased, the thickness of the electrode assembly as a whole increases, which makes it difficult to design a high capacity battery cell.
  • a method of preventing the temperature from increasing by adding a cooling pipe or module to the pouch-shaped battery case can be used.
  • the cost of introducing a new cooling system is increased, and the size of the cooling system Therefore, it is necessary to redesign the application position and arrangement.
  • Korean Patent Registration No. 1697764 discloses a graphite structure; And at least one selected from the group consisting of low viscosity monomers, oligomers, resins, and combinations thereof impregnated in the graphite structure, to form a composite composite material.
  • Korean Patent Laid-Open Publication No. 2016-0040167 discloses a battery pack including a connection member to which dissimilar metals having different melting points are coupled
  • Korean Patent Publication No. 1520168 discloses a battery pack having a clad structure
  • Japanese Unexamined Patent Application Publication No. 2000-030975 discloses a lithium secondary battery including a structure in which a heat dissipating member is connected to a core of a metallic composite material in which ceramic particles or filler ceramic fibers or ceramic fibers are dispersed in a matrix metal
  • a method for increasing the heat dissipation performance of the secondary battery is not provided.
  • the present invention has been made to solve the above-mentioned problems of the related art and a technical problem which has been demanded from the past, in a pouch type secondary battery comprising a battery case of a laminate sheet including a metal layer and a resin layer,
  • the pouch type secondary battery can be provided with a high heat dissipation capability because the heat generated from the electrode assembly can be rapidly discharged toward the laminate sheet through the heat transfer member.
  • the heat generated in normal use such as charging and discharging of the secondary battery is rapidly discharged, the lifetime of the battery can be improved and occurrence of a high temperature phenomenon due to abnormal use of the secondary battery can be prevented. It is possible to provide a secondary battery having improved safety by preventing explosion.
  • a pouch-type secondary battery comprising an electrode assembly and a laminate sheet containing an electrolyte
  • the laminate sheet has a structure including an outer coating layer, a metal layer, and an inner adhesive layer,
  • a heat transfer member is positioned between the electrode assembly and the laminate sheet for the battery case, and the heat transfer member connects the electrode assembly and the metal layer of the laminate sheet. Thermal energy generated from the electrode assembly can be rapidly discharged through the metal layer of the laminate sheet have.
  • an electrode current collector having a general thickness is used, and a thick metal plate is conventionally used as an electrode current collector, thereby preventing an increase in thickness of the entire electrode assembly.
  • the heat transfer member is disposed between the electrode assembly and the battery case, the size of the secondary battery can be reduced as compared with a case where a cooling member is additionally provided outside the battery case, The cost of adding the cooling member can be reduced.
  • the heat transfer member has a structure in which the electrode assembly and the metal layer of the laminate sheet are connected to each other. Even if the laminate sheet and the electrode assembly are closely arranged with the heat transfer member interposed therebetween, Since the inner adhesive layer of the laminate sheet is located between the assemblies, the electrode assembly and the metal layer of the laminate sheet are not directly connected.
  • the heat transfer member may be configured to include a protruding structure penetrating the inner adhesive layer of the laminate sheet in order to make the structure of the electrode assembly directly communicate with the metal layer of the laminate sheet.
  • the heat transfer member positioned between the electrode assembly and the laminate sheet may have a structure attached to the laminate sheet so as to contact the outermost electrode of the electrode assembly.
  • a heat transfer member is placed on the outer surface of the inner adhesive layer and then laminated so that at least a part of the heat transfer member can contact the metal layer of the laminate sheet, and the heat transfer member and the laminate sheet are integrated .
  • the height of the electrode assembly receiving portion, the height of the electrode assembly, and the height of the heat transfer member May be configured to contact a metal layer.
  • the heat transfer member and the metal layer can be connected through the degassing process even if they are not connected to a part of the heat transfer member and the metal layer.
  • an electrode assembly having a structure in which a separator is interposed between an anode and a cathode is not coated with an electrode active material on the outer surface of the outermost electrode, so that the uncoated surface of the electrode active material is positioned on the outermost side of the electrode assembly , And when the heat transfer member is positioned between the laminate sheet and the electrode assembly, the heat transfer member may be in contact with the uncoated surface of the outermost electrode of the electrode assembly.
  • the heat transfer member may include a flat plate-like body and a protrusion extending in a vertical direction on one surface of the flat plate-like body, wherein the flat plate-like body is positioned between the inner adhesive layer of the laminate sheet and the outermost electrode of the electrode assembly,
  • the projecting portion may have a structure penetrating the inner adhesive layer.
  • the heat transfer member may have a protruding structure extending in the vertical direction at the outer surface of the outermost electrode of the electrode assembly, and an end of the protruding structure may be connected to the metal layer of the laminate sheet.
  • the protruding structure may be a structure combined with the outermost electrode of the electrode assembly, and may be a combination of the electrode and the heat transfer member.
  • the protruding structure may be a structure separable from the outermost electrode of the electrode assembly, and may be positioned in a plane orthogonal to the plane of the outermost electrode and the metal layer of the laminate sheet. It may be a needle-pillar structure.
  • the projecting structure may have a structure in which a plurality of projections are uniformly formed at regular intervals. Considering the efficiency for rapidly moving the thermal energy of the electrode assembly toward the laminate sheet, a plurality of projections may be formed, It is preferable that the protruding structures are formed at regular intervals in order to uniformly deliver the electrode assembly to the entire outer surface of the electrode assembly.
  • the projecting structure connects the electrode assembly and the metal layer of the laminate sheet through the inner adhesive layer of the laminate sheet.
  • the height of the projecting structure may be 100% to 120% based on the thickness of the inner adhesive layer of the laminate sheet. And preferably from 110% to 120%.
  • the electrode assembly When the height of the protruding structure is less than 100% of the thickness of the inner adhesive layer of the laminate sheet, the electrode assembly is not connected to the metal layer of the laminate sheet. When the height is more than 120%, the electrode assembly is separated from the laminate sheet The space is widened to widen unnecessarily wasted space, and the problem of lowering the heat dissipation effect may occur, which is not preferable.
  • the height of the protruding structure may be in the range of 20 ⁇ m to 140 ⁇ m, preferably in the range of 22 ⁇ m to 120 ⁇ m Lt; / RTI >
  • the electrode assembly When the height of the protruding structure is less than 20 ⁇ m, the electrode assembly is not connected to the metal layer of the laminate sheet. If the height is larger than 120 ⁇ m, the space between the electrode assembly and the laminate sheet is widened and unnecessarily wasted It is not preferable because space is increased.
  • the electrode assembly has a structure in which a separator is interposed between the positive electrode and the negative electrode to laminate the electrode assembly.
  • the assembly may be a stacked electrode assembly, a stacked / folded electrode assembly, or a lamination / stacked electrode assembly, or a structure in which one or more of the electrode assemblies are stacked.
  • each of the stacked electrode assembly, the stacked / folded electrode assembly, and the lamination / stacked electrode assembly is a unit cell
  • the planar size of the unit cells may be the same.
  • the cells may be stacked.
  • a pouch-type secondary battery having a structure in which an outermost electrode of an electrode assembly and a metal layer of a battery case are connected to each other.
  • the outermost electrodes of the electrode assembly may be composed of the same electrode.
  • the outermost electrodes of the electrode assembly are made of different electrodes.
  • the heat transfer member is a member for quickly discharging heat energy inside the battery cell to the outside of the battery cell, and the heat transfer member is preferably made of a metal having high thermal conductivity.
  • the heat transfer member may be a member made of aluminum (Al), copper (Cu), silver (Ag), gold (Au), nickel (Ni), tungsten (W), carbon (C) , And may be composed of aluminum or copper.
  • the present invention can also provide a battery pack including the pouch type secondary battery.
  • the battery pack may be used as a power source for devices requiring high-temperature safety, long cycle characteristics, and high rate characteristics.
  • devices include a mobile device, a wearable device A power tool powered by an electric motor; An electric vehicle including an electric vehicle (EV), a hybrid electric vehicle (HEV), a plug-in hybrid electric vehicle (PHEV), and the like; An electric motorcycle including an electric bike (E-bike) and an electric scooter (E-scooter); An electric golf cart; And an energy storage system, but the present invention is not limited thereto.
  • FIG. 1 is a vertical cross-sectional view of an electrode assembly according to one embodiment.
  • FIG. 2 is an exploded perspective view of a laminate sheet, a heat transfer member, and a portion of an electrode according to one embodiment.
  • Figure 3 is a vertical cross-sectional view of the laminate sheet, heat transfer member and electrode portion of Figure 2;
  • FIG. 4 is an exploded perspective view of a laminate sheet, a heat transfer member, and a part of an electrode according to another embodiment.
  • Figure 5 is a vertical cross-sectional view of a portion of the laminate sheet, heat transfer member and electrode of Figure 4;
  • FIG. 1 schematically shows a vertical sectional view of an electrode assembly used in a pouch-type secondary battery of the present invention.
  • the electrode assembly 100 includes a positive electrode coated with a positive electrode active material 101 on one side or both sides of a positive electrode current collector 102 and a negative electrode active material 103 on one side or both sides of the negative electrode current collector 104 And a separator 110 interposed between the anode and the cathode.
  • the cathode is located at the uppermost outermost electrode, and the anode is located at the lowermost outermost electrode.
  • the outermost electrodes at both ends of the electrode assembly 100 may be the same as each other, the same electrode may be positioned at the anode or the cathode.
  • the uppermost outermost electrode of the electrode assembly 100 is a single-sided negative electrode coated with the negative electrode active material 103 only on the inner surface of the negative electrode collector 104 and the outermost electrode of the lower electrode is formed only on the inner surface of the positive electrode collector 102 Side electrodes coated with an electrode active material, and the other central electrodes except for the outermost electrodes are composed of a double-sided electrode coated with an electrode active material on both sides of the electrode current collector.
  • the electrode current collector of the metal material is located at the outermost side of the electrode assembly facing the heat transfer member, the heat energy of the electrode assembly can quickly move toward the pouch case through the heat transfer member.
  • an uncoated electrode having no electrode active material is used as the outermost electrode, a lamination / stacked electrode assembly, a stack / folding type electrode assembly may be used instead of the stacked electrode assembly 100 of FIG. 1 .
  • FIG. 2 schematically shows an exploded perspective view of a laminate sheet, a heat transfer member, and a part of an electrode according to one embodiment
  • FIG. 3 is a vertical sectional view of the state in which the laminate sheet, heat transfer member, As shown in FIG.
  • the laminate sheet 210 is a layered structure in which an outer coating layer 201, a metal layer 202 and an inner adhesive layer 203 are sequentially laminated.
  • the inner surface of the laminate sheet 210 faces the heat transfer member 220 and the plate body 221 of the heat transfer member 220 is disposed between the inner adhesive layer 203 and the electrode 234 of the laminate sheet 210 And the protruding portion 222 is in contact with the metal layer 202 through the inside of the internal adhesive layer 203.
  • the projecting portion 222 is shown as a rectangular parallelepiped structure, it may have a hemispherical shape in the direction of the metal layer, a triangular pyramid structure as a whole, or a linear structure. However, in order to improve heat dissipation, It is preferable to make it wide.
  • the height h2 of the protrusion 222 is shown to be the same as the thickness h1 of the internal adhesive layer 203.
  • the height h2 of the protrusion 222 is in the range of 100% to 120% based on the thickness h1 of the internal adhesive layer 203 .
  • the protrusion 22 is a structure protruding in a direction perpendicular to the plane of the plate-like body 221, and the protrusions 222 are positioned to be spaced apart from each other at a uniform interval.
  • the thermal energy of the electrode assembly moves from the outermost electrode in the direction of the metal layer of the laminate sheet through the heat transfer member, and the heat energy can be uniformly and rapidly transferred throughout the entirety of the outermost electrode.
  • FIG. 4 schematically shows an exploded perspective view of a laminate sheet, a heat transfer member and a part of an electrode according to another embodiment
  • FIG. 5 is a cross-sectional view of a laminate sheet, a heat transfer member, As shown in FIG.
  • the laminate sheet 310 is a layered structure in which an outer coating layer 301, a metal layer 302, and an inner adhesive layer 303 are sequentially laminated.
  • a heat transfer member 332 is attached in a direction perpendicular to the upper surface of the electrode.
  • the metal layer 332 penetrates the internal adhesive layer 303 of the laminate sheet 310 as a battery case and contacts the metal layer 302 of the laminate sheet 310.
  • the shape and height of the heat transfer member 332 can be seen to be the same as the protrusion 222 of the heat transfer member 220, and a description thereof will be omitted.
  • the electrode assembly and the heat transfer member are combined, it is preferable to use the assembly in manufacturing the electrode assembly, considering the convenience of the process.
  • the heat transfer member 332 is used, There is an advantage that the capacity of the battery can be increased by the thickness of the plate-like body.
  • the pouch type secondary battery according to the present invention has a structure including a heat transfer member inside a battery case, and it is possible to provide a secondary battery with improved safety by allowing heat energy generated in the battery to be discharged.
  • the thermal conductivity was measured using a Mathis TC-30 at room temperature of 25 ° C. ASTM C 518 was referred to the relevant standard for thermal conductivity measurement. In addition, it is possible to measure thermal conductivity using equipment that can simultaneously measure the thermal conductivity of solids, liquids and pastes in addition to the above equipment.
  • the conductive base material has significantly lower thermal conductivity than the base material made of the heat conductive material.
  • Example 1 For example, comparing Example 1 and Comparative Example 1 where the base material is aluminum, it can be seen that the thermal conductivity of Example 1 is about 196 times the thermal conductivity of Comparative Example 1.
  • the pouch type secondary battery according to the present invention includes a heat transfer member for connecting the electrode assembly and the metal layer of the laminate sheet in the battery case, thereby minimizing an increase in the thickness of the entire secondary battery. , It is possible to prevent the capacity of the battery cell from being reduced.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

La présente invention concerne une batterie secondaire de type poche comprenant une feuille stratifiée pour recevoir un ensemble d'électrodes et un électrolyte, la feuille stratifiée ayant une structure comprenant une couche de revêtement externe, une couche métallique et une couche adhésive interne, et comprenant un élément de transfert de chaleur pour connecter l'ensemble d'électrodes à la couche métallique de la feuille stratifiée.
PCT/KR2018/009752 2017-08-29 2018-08-23 Batterie secondaire de type poche comprenant un élément de transfert de chaleur WO2019045365A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL18852100T PL3582319T3 (pl) 2017-08-29 2018-08-23 Bateria akumulatorowa w kształcie saszetki zawierająca człon przenoszący ciepło
JP2019553888A JP6833253B2 (ja) 2017-08-29 2018-08-23 熱伝逹部材を含むパウチ型二次電池
CN201880008025.2A CN110226259B (zh) 2017-08-29 2018-08-23 包括传热构件的袋形二次电池
US16/473,452 US11183717B2 (en) 2017-08-29 2018-08-23 Pouch-shaped secondary battery including heat transfer member connected to metal layer of laminate sheet
EP18852100.9A EP3582319B1 (fr) 2017-08-29 2018-08-23 Batterie secondaire de type poche comprenant un élément de transfert de chaleur

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20170109714 2017-08-29
KR10-2017-0109714 2017-08-29
KR10-2018-0097286 2018-08-21
KR1020180097286A KR102630853B1 (ko) 2017-08-29 2018-08-21 열전달 부재를 포함하는 파우치형 이차전지

Publications (1)

Publication Number Publication Date
WO2019045365A1 true WO2019045365A1 (fr) 2019-03-07

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PCT/KR2018/009752 WO2019045365A1 (fr) 2017-08-29 2018-08-23 Batterie secondaire de type poche comprenant un élément de transfert de chaleur

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WO (1) WO2019045365A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114552046A (zh) * 2020-11-20 2022-05-27 北京小米移动软件有限公司 一种锂离子电池及电子设备

Citations (10)

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Publication number Priority date Publication date Assignee Title
JPH11288737A (ja) * 1998-04-02 1999-10-19 Dainippon Printing Co Ltd 薄型電池
JP2000030975A (ja) 1998-07-16 2000-01-28 Furukawa Electric Co Ltd:The 冷却部品
KR20080019311A (ko) * 2006-08-28 2008-03-04 주식회사 엘지화학 전극조립체의 내부 유동을 방지하여 안전성을 향상시킨파우치형 이차전지
KR101520168B1 (ko) 2012-04-30 2015-05-14 주식회사 엘지화학 파우치형 리튬 이차 전지
KR20160040167A (ko) 2016-03-31 2016-04-12 주식회사 엘지화학 이종 금속의 전지모듈 접속부재를 포함하는 전지팩
KR20160041256A (ko) * 2014-10-07 2016-04-18 주식회사 엘지화학 냉각 성능이 개선된 냉각부재와 이를 포함하는 전지모듈
KR101697764B1 (ko) 2015-05-06 2017-01-19 한국교통대학교산학협력단 고방열 고분자 복합재료 및 이의 제조방법
KR20170052059A (ko) * 2015-11-03 2017-05-12 주식회사 엘지화학 배터리 모듈
KR20170057465A (ko) * 2014-10-31 2017-05-24 비와이디 컴퍼니 리미티드 히트싱크 및 파워 배터리 시스템
KR20170109714A (ko) 2016-03-21 2017-10-10 한국생산기술연구원 분사량제어부를 포함하는 절삭장치 및 절삭방법

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11288737A (ja) * 1998-04-02 1999-10-19 Dainippon Printing Co Ltd 薄型電池
JP2000030975A (ja) 1998-07-16 2000-01-28 Furukawa Electric Co Ltd:The 冷却部品
KR20080019311A (ko) * 2006-08-28 2008-03-04 주식회사 엘지화학 전극조립체의 내부 유동을 방지하여 안전성을 향상시킨파우치형 이차전지
KR101520168B1 (ko) 2012-04-30 2015-05-14 주식회사 엘지화학 파우치형 리튬 이차 전지
KR20160041256A (ko) * 2014-10-07 2016-04-18 주식회사 엘지화학 냉각 성능이 개선된 냉각부재와 이를 포함하는 전지모듈
KR20170057465A (ko) * 2014-10-31 2017-05-24 비와이디 컴퍼니 리미티드 히트싱크 및 파워 배터리 시스템
KR101697764B1 (ko) 2015-05-06 2017-01-19 한국교통대학교산학협력단 고방열 고분자 복합재료 및 이의 제조방법
KR20170052059A (ko) * 2015-11-03 2017-05-12 주식회사 엘지화학 배터리 모듈
KR20170109714A (ko) 2016-03-21 2017-10-10 한국생산기술연구원 분사량제어부를 포함하는 절삭장치 및 절삭방법
KR20160040167A (ko) 2016-03-31 2016-04-12 주식회사 엘지화학 이종 금속의 전지모듈 접속부재를 포함하는 전지팩

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114552046A (zh) * 2020-11-20 2022-05-27 北京小米移动软件有限公司 一种锂离子电池及电子设备

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