WO2018135767A2 - Boîtier de batterie comprenant une couche métallique à structure de revêtement, et élément de batterie le comprenant - Google Patents

Boîtier de batterie comprenant une couche métallique à structure de revêtement, et élément de batterie le comprenant Download PDF

Info

Publication number
WO2018135767A2
WO2018135767A2 PCT/KR2017/015433 KR2017015433W WO2018135767A2 WO 2018135767 A2 WO2018135767 A2 WO 2018135767A2 KR 2017015433 W KR2017015433 W KR 2017015433W WO 2018135767 A2 WO2018135767 A2 WO 2018135767A2
Authority
WO
WIPO (PCT)
Prior art keywords
metal
layer
battery case
battery
metal layer
Prior art date
Application number
PCT/KR2017/015433
Other languages
English (en)
Korean (ko)
Other versions
WO2018135767A3 (fr
Inventor
김용
최용수
김상훈
유형균
이지훈
황수지
김초롱
강민형
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
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to CN201790001004.9U priority Critical patent/CN209766478U/zh
Publication of WO2018135767A2 publication Critical patent/WO2018135767A2/fr
Publication of WO2018135767A3 publication Critical patent/WO2018135767A3/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
    • 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
    • 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
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117—Inorganic material
    • H01M50/119—Metals
    • 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
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/121—Organic material
    • 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
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • 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
    • H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
    • H01M50/133—Thickness
    • 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
    • H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
    • H01M50/141—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against humidity
    • 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
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • 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 battery case including a metal layer of a clad structure and a battery cell including the same.
  • lithium secondary batteries such as lithium ion batteries and lithium ion polymer batteries is high.
  • a pouch-type battery having a structure in which a stack type or a stack / fold type electrode assembly is incorporated in a pouch type battery case of an aluminum laminate sheet has attracted much attention due to its low manufacturing cost, small weight, and easy shape deformation. Its usage is gradually increasing.
  • a pouch type battery refers to a battery in which an electrode assembly and an electrolyte are sealed inside a pouch type case of a laminate sheet including a resin layer and a metal layer.
  • the electrode assembly accommodated in the battery case has a structure of a jelly-roll type (wound) electrode assembly or a stacked type (laminated) electrode assembly.
  • FIG. 1 schematically illustrates a structure of a general pouch type secondary battery including a stacked electrode assembly.
  • the pouch-shaped battery case 20 is integrally connected to a case body 21 including a recess 23 having a concave shape in which an electrode assembly 30 may be seated, and such a body 21. It consists of a cover 22.
  • the case body 21 and the cover 22 have an outer coating layer 20a made of ONy (stretched nylon film), a barrier layer 20b made of aluminum, and an inner sealant layer 20c made of CPP (non-stretched polypropylene film).
  • the inner sealant layer 20c has a hot melt layer (not shown) coated on the edge of the inner sealant layer 20c, and the upper end 24 of the case body 20 and the upper end of the cover 22 are heat-sealed and fixed. It becomes possible.
  • Such a pouch type battery case is required to have a high formability so that the area and depth of the accommodating portion can be increased in order to increase the capacity of the battery, the aluminum layer (flexible and malleable) is used as a barrier layer. .
  • Repetitive charging and discharging of the secondary battery may cause a problem in safety due to high temperature in the inside of the cell, and aluminum foil corresponds to a metal having relatively low thermal conductivity. Therefore, there is a high demand for a secondary battery having improved safety by discharging heat inside the battery cell to the outside while improving moldability of the battery case using a metal having high ductility and malleability.
  • the present invention aims to solve the problems of the prior art as described above and the technical problems that have been requested from the past.
  • the inventors of the present application use a battery case including a metal layer made of a cladding layer of a first metal and a second metal having different formability and thermal conductivity, as described later.
  • a battery case including a metal layer made of a cladding layer of a first metal and a second metal having different formability and thermal conductivity, as described later.
  • the battery case according to the present invention for achieving the above object is a pouch-type battery case for embedding the electrode assembly of the structure having a separator interposed between the positive electrode and the negative electrode together with the electrolyte, the battery cell to protect the battery from the outside
  • At least a part of the metal layer is formed of a cladding layer of a first metal and a second metal having different formability and thermal conductivity.
  • the battery case according to the present invention includes a metal layer including a cladding layer composed of two kinds of metals, and the two kinds of metals are composed of metals having different ductility, conductivity, and thermal conductivity. And by including a metal having a good thermal conductivity, the moldability of the battery case can be improved and by using a good thermal conductivity metal it is possible to quickly discharge the heat energy inside the battery cell to the outside.
  • the clad layer has a structure in which the first metal and the second metal are joined to each other by rolling. Unlike the alloys of the two different metals, the properties of the two different metals may be maintained. The advantages of both the metal and the second metal can be obtained.
  • the metal layer has a structure in which one or more first bonding layers made of a first metal and one or more second bonding layers made of a second metal are laminated and bonded to each other in the thickness direction of the battery case. Can be.
  • Such a structure may be formed on at least a portion of the metal layer, or may be formed on the entire portion of the metal layer.
  • the first bonding layer and the second bonding layer are alternately arranged in the thickness direction of the battery case, and the areas of the first bonding layer and the second bonding layer may be the same.
  • an area of the first bonding layer may be larger than that of the second bonding layer, or an area of the second bonding layer may be larger than that of the first bonding layer. It may be.
  • the metal layer may include one or more first bonding portions made of a first metal and one or more second bonding portions made of a second metal adjacently bonded to each other in the width direction perpendicular to the thickness direction of the battery case. It may be a structure arranged.
  • Such a structure may be formed on at least a portion of the metal layer, or may be formed on the entire portion of the metal layer.
  • the first junction and the second junction are alternately arranged adjacent to each other in the width direction perpendicular to the thickness direction of the battery case, and the cross section of the thickness direction of the battery case shows that the width of the first junction is the width of the second junction. And may be formed the same as each other. However, in consideration of the moldability and thermal conductivity of the battery case, one of the first junction portion and the second junction portion may be formed to have a wider width, and the other one may be formed to have a smaller width.
  • the metal layer may include a third bonding portion formed on an outer surface of at least one of a first bonding portion made of a first metal and a second bonding portion made of a second metal, in a width direction perpendicular to a thickness direction of the battery case. It may be a structure that is bonded to each other adjacently.
  • the third junction portion may be arranged to be positioned between the first junction portion and the second junction portion, and may have a structure joined to the first junction portion and the second junction portion.
  • a third junction made of a third material to form a clad structure consisting of three different metals, there is an advantage that all the properties of the three metals can be used.
  • the first metal may have a material affinity for the outer coating layer or the inner sealant layer relatively higher than that of the second metal, and the second metal may have a relatively high ductility and thermal conductivity than the first metal.
  • the first metal may be aluminum or an aluminum alloy
  • the second metal may be copper or a copper alloy.
  • any material having a material affinity for the outer coating layer and the inner sealant layer disposed on the upper and lower surfaces of the battery case metal layer or having a high ductility and thermal conductivity is not particularly limited and may be used as the first metal and the second metal, respectively. Of course.
  • the entire metal layer may be formed of a cladding layer in which the first bonding layer and the second bonding layer are stacked in the thickness direction of the battery case.
  • each of the first and second metal layers may be formed on the upper and lower surfaces of the second bonding layer.
  • the bonding layers may be stacked.
  • the metal part may have a structure that is useful for accommodating a large electrode assembly by deeply forming an accommodating part of the battery case.
  • the entire metal layer may be formed of a cladding layer in which the first bonding layer and the second bonding layer are arranged adjacent to each other in a width direction perpendicular to the thickness direction of the battery case.
  • the second bonding portion Each of the first junctions may be arranged at both ends of the structure.
  • the metal having good thermal conductivity is connected to the outer coating layer and the inner sealant layer, which may be a structure useful for discharging heat inside the battery cell to the outside.
  • the content of the first metal and the content of the second metal in the metal layer is the area of the first junction to the first junction layer and the second junction to the second junction layer in consideration of the size, capacity and life characteristics of the battery cell, etc.
  • the content of the first metal based on the content (volume basis) of the entire metal layer may be configured to be relatively higher than the content of the second metal.
  • the first metal is a material affinity for the outer cladding or inner sealant layer
  • the second metal is a metal with higher ductility and thermal conductivity than the first metal
  • the metal layer includes a clad structure, unlike the metal layer of a single structure included in the conventional laminate sheet, specifically, the total thickness of the metal layer may be made in the range of 20 ⁇ m to 100 ⁇ m, laminate sheet Within the same range, the thickness of the cladding layer bonded in the horizontal direction and the thickness of the cladding layer bonded in the vertical direction may be the same or different according to the thickness change of the outer coating layer and the inner sealant layer.
  • the present invention also provides a battery cell in which an electrode assembly and an electrolyte are built in the battery case, and a battery pack in which a plurality of battery cells are arranged adjacent to each other.
  • the battery pack includes a cooling member that is cooled by a gaseous or liquid refrigerant.
  • the second metal has a higher thermal conductivity than the first metal, and the cooling member is formed in the battery pack.
  • the mounting position of the battery cell may be set to be adjacent to the portion made of the second metal relative to the portion made of the first metal.
  • the cooling member when the cooling member is positioned to be adjacent to the portion of the battery case made of the second metal having a relatively high thermal conductivity, the purpose for discharging the heat inside the battery cell to the outside of the battery cell can be more effectively achieved.
  • the present invention also provides a device including the battery pack as a power source.
  • the battery pack may be used as a power source of a device requiring high temperature safety, long cycle characteristics, high rate characteristics, and the like, and a detailed example of such a device may include a mobile device and a wearable device.
  • a power tool that is driven by an electric motor Electric vehicles including electric vehicles (EVs), hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs), and the like; Electric motorcycles including electric bicycles (E-bikes) and electric scooters (E-scooters); Electric golf carts; An energy storage system and the like, but are not limited thereto.
  • FIG. 1 is an exploded perspective view of the structure of a conventional general pouch type secondary battery
  • FIG. 2 is a schematic cross-sectional view of a laminate sheet according to one embodiment
  • FIG. 3 is a schematic cross-sectional view of a laminate sheet according to another embodiment '
  • FIG. 5 is a perspective view of a battery pack including a battery cell consisting of the laminate sheet of FIG.
  • FIG. 2 to 4 schematically show a cross-sectional view of a part of the battery case according to the present invention.
  • the laminate sheet 100 has a structure in which an outer coating layer 110, a metal layer 120, and an inner sealant layer 130 are sequentially stacked, and the metal layer 120 has an outer coating layer 110 and an inner sealant.
  • the layer 130 is composed of a cladding layer consisting of three bonding layers parallel to the stacked direction.
  • the metal layer 120 includes a first bonding layer 121 made of a first metal, a second bonding layer 122 made of a second metal, and a first bonding layer 121 made of a first metal.
  • the first bonding layer 121 is positioned on the upper and lower surfaces of the layer 122, respectively.
  • the cladding layer is illustrated as being formed on the entire metal layer 120, a part of the metal layer may be formed of the cladding layer, and the remaining part may be made of the first metal or the second metal.
  • the laminate sheet 200 has a structure in which an outer coating layer 210, a metal layer 220, and an inner sealant layer 230 are sequentially stacked, and the metal layer 220 has an outer coating layer 210 and an inner sealant. It consists of a cladding layer in which the 1st junction part 221 and the 2nd junction part 222 are alternately bonded and arranged in the width direction which is perpendicular to the direction where the layer 230 was laminated
  • the cladding layer is illustrated as being formed over the entire metal layer 220, a part of the metal layer may be formed of the cladding layer, and the rest may be made of the first metal or the second metal. Alternatively, there may be a structure in which the second junction is in the center of the laminate sheet, and the first junctions are arranged at both ends of the second junction.
  • the laminate sheet 300 has a structure in which an outer coating layer 310, a metal layer 320, and an inner sealant layer 330 are sequentially stacked, and the metal layer 320 has an outer coating layer 310 and an inner sealant. It consists of a cladding layer in which the 1st junction part 321, the 2nd junction part 322, and the 3rd junction part 323 are sequentially arranged in the width direction perpendicular
  • the order of the first junction portion 321, the second junction portion 322, and the third junction portion 323, and the sum and the number of the respective junction portion widths are not particularly limited as long as they improve the formability of the battery case and increase the thermal conductivity. .
  • the content of the first metal constituting the first joint portion is based on the content (volume basis) of the entire metal layer of the second metal constituting the second joint portion. It is preferred that relatively more than the content.
  • the thicknesses of the metal layers 120, 220, and 320 of the laminate sheets 100, 200, and 300 may be formed in a range of 20 ⁇ m to 100 ⁇ m, and the thickness of the metal layer 120 and the metal layer 220.
  • the thickness of may be the same or different depending on the thickness change of the outer coating layer and the inner sealant layer within the same range that the overall thickness of the laminate sheet is the same.
  • FIG. 5 schematically illustrates an enlarged front view of a battery pack and a portion thereof in which battery cells formed of the laminate sheet of FIG. 2 are stacked.
  • battery cells 401, 402, and 403 are stacked adjacent to each other in a vertical direction in a pack case (not shown), and a cooling is performed on an upper surface of the battery cell 401.
  • the member 450 is located.
  • the cooling member 450 is positioned in the laminate sheet 200 so as to be adjacent to the second bonding portion 222 made of the second metal having a relatively high thermal conductivity.
  • the cooling member 450 efficiently arranges the positions of the cooling members, thereby dissipating heat inside the battery cell. Quick discharge to the outside is possible.
  • the battery case according to the present invention includes a metal layer made of a cladding layer, thereby improving moldability and thermal conductivity of the battery case.
  • the battery case according to the present invention includes a clad structure in which a first metal and a second metal having different formability and thermal conductivity are bonded to at least a portion of the metal layer, and the clad structure has ductility and conductivity. Since the high metal and the metal having good thermal conductivity are included, the moldability of the pouch type battery case may be improved to provide a battery case capable of storing a high capacity electrode assembly.
  • a part of the battery case includes a metal having good thermal conductivity, it is possible to quickly discharge heat energy generated inside the battery cell to the outside during the charging and discharging process of the secondary battery, thereby preventing explosion or ignition due to high temperature phenomenon.
  • a secondary battery having improved safety can be provided.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

La présente invention concerne un boîtier de batterie de type poche destiné à recevoir à la fois un électrolyte et un ensemble électrode ayant une structure dans laquelle est interposé un séparateur entre une anode et une cathode, le boîtier de batterie comprenant : une couche de revêtement externe constituée d'une résine polymère et formant la surface externe du boîtier de batterie en vue de protéger un élément de batterie depuis l'extérieur ; une couche métallique placée sur le côté interne de la couche de revêtement externe et conférant des propriétés de barrière vis-à-vis de l'humidité ainsi qu'une conductivité thermique ; et une couche d'étanchéité interne placée sur le côté interne de la couche métallique et constituée d'une résine polymère ayant des propriétés d'étanchéité à la chaleur, au moins une partie de la couche métallique comprenant une couche de revêtement formée d'un premier métal et d'un second métal présentant des mollesses et des conductivités thermiques différentes.
PCT/KR2017/015433 2017-01-19 2017-12-26 Boîtier de batterie comprenant une couche métallique à structure de revêtement, et élément de batterie le comprenant WO2018135767A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201790001004.9U CN209766478U (zh) 2017-01-19 2017-12-26 电池壳体、电池单元和电池组

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0008995 2017-01-19
KR1020170008995A KR102169373B1 (ko) 2017-01-19 2017-01-19 클래드 구조의 금속층을 포함하는 전지케이스 및 이를 포함하고 있는 전지셀

Publications (2)

Publication Number Publication Date
WO2018135767A2 true WO2018135767A2 (fr) 2018-07-26
WO2018135767A3 WO2018135767A3 (fr) 2018-09-27

Family

ID=62908763

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/015433 WO2018135767A2 (fr) 2017-01-19 2017-12-26 Boîtier de batterie comprenant une couche métallique à structure de revêtement, et élément de batterie le comprenant

Country Status (3)

Country Link
KR (1) KR102169373B1 (fr)
CN (1) CN209766478U (fr)
WO (1) WO2018135767A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210057682A1 (en) * 2019-02-27 2021-02-25 Lg Chem, Ltd. Exterior for Secondary Battery and Secondary Battery Having the Same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210011640A (ko) 2019-07-23 2021-02-02 에스케이이노베이션 주식회사 배터리 모듈
KR20210011639A (ko) 2019-07-23 2021-02-02 에스케이이노베이션 주식회사 이차전지 및 이를 포함하는 배터리 모듈

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11156995A (ja) * 1997-09-25 1999-06-15 Daido Steel Co Ltd クラッド板とこれを用いた電池用ケース並びにこれらの製造方法
KR100428974B1 (ko) * 2001-11-08 2004-04-29 삼성에스디아이 주식회사 안전장치를 채용한 이차전지
KR101520168B1 (ko) * 2012-04-30 2015-05-14 주식회사 엘지화학 파우치형 리튬 이차 전지
KR101554877B1 (ko) * 2012-10-04 2015-09-22 주식회사 엘지화학 높은 냉각 효율성의 전지모듈
JP6166144B2 (ja) * 2013-10-15 2017-07-19 昭和電工パッケージング株式会社 成形用包装材

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210057682A1 (en) * 2019-02-27 2021-02-25 Lg Chem, Ltd. Exterior for Secondary Battery and Secondary Battery Having the Same

Also Published As

Publication number Publication date
KR102169373B1 (ko) 2020-10-23
KR20180085456A (ko) 2018-07-27
WO2018135767A3 (fr) 2018-09-27
CN209766478U (zh) 2019-12-10

Similar Documents

Publication Publication Date Title
US9537173B2 (en) Pouch type lithium secondary battery
WO2011115464A2 (fr) Boîtier de type sac et bloc-pile incluant celui-ci
KR102334019B1 (ko) 다종 금속 차단층을 포함하는 전지케이스 및 이를 포함하고 있는 전지셀
WO2015122667A1 (fr) Batterie rechargeable de type pochette comprenant une partie d'étanchéité à évidement
WO2014148858A1 (fr) Batterie secondaire possédant une énergie volumique améliorée
WO2016056774A1 (fr) Boîtier de batterie à structure de refroidissement efficace
WO2014104728A1 (fr) Batterie secondaire de type poche ayant une marge de scellage pour durabilité améliorée
KR101508416B1 (ko) 파우치형 이차전지
WO2012086855A1 (fr) Batterie secondaire au lithium ayant une structure à pattes conductrices multidirectionnelles
WO2018186637A2 (fr) Cellule de batterie à structure présentant une partie enfoncée formée dans une région de connexion entre des parties de réception
WO2019078449A1 (fr) Boîtier de type poche de batterie rechargeable qui peut évacuer un gaz
WO2017119789A1 (fr) Bloc de batterie comprenant un élément de type à refroidissement de bord
WO2021221300A1 (fr) Module de batterie et bloc-batterie le comprenant
WO2014038891A1 (fr) Batterie secondaire
KR20130097881A (ko) 이차전지의 제조방법 및 이를 이용하여 생산되는 이차전지
WO2018135767A2 (fr) Boîtier de batterie comprenant une couche métallique à structure de revêtement, et élément de batterie le comprenant
WO2022080673A1 (fr) Batterie secondaire de type poche et module de batterie la comprenant
WO2020045814A1 (fr) Batterie secondaire de type poche et poche pour batterie secondaire
WO2018080285A1 (fr) Cellule de batterie ayant une structure empêchant le gonflement
KR20160080559A (ko) 실링부가 보강된 파우치형 이차 전지 및 이의 제조 방법
WO2019059502A1 (fr) Boîtier de batterie de type poche comprenant une couche de dissipation de chaleur
CN116171504A (zh) 电池模块和包括该电池模块的电池组
WO2020262819A1 (fr) Module de batterie et bloc-batterie le comprenant
KR102207296B1 (ko) 형상유지 부재를 포함하는 파우치형 전지셀
KR102178726B1 (ko) 이차전지용 파우치 외장 부재 및 이를 포함하는 파우치형 이차전지

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: 17892291

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17892291

Country of ref document: EP

Kind code of ref document: A2