WO2018062759A1 - Module de batterie - Google Patents

Module de batterie Download PDF

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Publication number
WO2018062759A1
WO2018062759A1 PCT/KR2017/010335 KR2017010335W WO2018062759A1 WO 2018062759 A1 WO2018062759 A1 WO 2018062759A1 KR 2017010335 W KR2017010335 W KR 2017010335W WO 2018062759 A1 WO2018062759 A1 WO 2018062759A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
battery cells
battery module
module
cells
Prior art date
Application number
PCT/KR2017/010335
Other languages
English (en)
Korean (ko)
Inventor
윤진철
공진학
최용석
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
Publication of WO2018062759A1 publication Critical patent/WO2018062759A1/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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • 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
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • 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
    • 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
    • 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
    • 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 module, and more particularly, to a battery module with improved rigidity against a force applied in a direction perpendicular to a stacking direction of battery cells.
  • the force applied along the stacking direction of the battery cells may have high rigidity, but may be along a direction perpendicular to the stacking direction of the battery cells. Very vulnerable to the force applied.
  • FIG. 1 a conventional battery module manufactured by stacking a plurality of pouch type battery cells 1 in one direction in a module case 2 is illustrated.
  • the rigidity can be secured to some extent with respect to the force applied along the stacking direction with respect to the battery cells 1 stacked in one direction, but the force applied along the direction perpendicular to the stacking direction. Since it is a structure that is inevitably weak in stiffness, it is inevitably vulnerable to a random impact.
  • the present invention has been made in view of the above-described problems, and an object thereof is to provide a battery module having sufficient rigidity against external shocks applied randomly without constant direction by improving the arrangement structure of battery cells.
  • Battery module for solving the above technical problem, a plurality of battery cells; A module case accommodating a plurality of battery cells; A battery module comprising: battery cells adjacent to each other in the width direction of the battery cells of the plurality of battery cells are disposed perpendicular to each other.
  • An empty space penetrating along a length direction of the battery cell may be formed at the center of the battery module.
  • the battery module may further include a reinforcement shim inserted into the empty space.
  • the plurality of battery cells may include: a plurality of first battery cells surrounding the reinforcement shim; A plurality of second battery cells surrounding the four battery cells; It may include.
  • the length of the short side of the second battery cell may be longer than the length of the short side of the first battery cell.
  • first battery cells and two second battery cells may be provided.
  • the battery cell may be a pouch type battery cell.
  • a battery module having sufficient rigidity not only in the direction of stacking the battery cells but also in the force applied along the direction perpendicular thereto through the improvement of the battery cell arrangement structure.
  • FIG. 1 is a view showing a battery cell arrangement structure applied to a conventional battery module.
  • FIG. 2 is a view showing a battery cell arrangement structure applied to a battery module according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of the battery module illustrated in FIG. 2 taken along line AA ′.
  • FIG 4 and 5 are views showing the structure of a battery cell applied to the battery module according to an embodiment of the present invention.
  • FIG. 6 is a view for explaining that the battery module according to an embodiment of the present invention has all excellent stiffness against a shock in a random direction.
  • FIG. 2 is a view showing a battery cell arrangement structure applied to a battery module according to an embodiment of the present invention
  • Figure 3 is a view showing a cross-section taken along the line AA 'battery module shown in FIG.
  • a battery module according to an embodiment of the present invention may be implemented in a form including a module case 10 and a plurality of battery cells 20 and 30, and a battery cell 20 According to the arrangement of the, 30 may be implemented in a form further comprising a reinforcement shim 40 is inserted into the empty space formed in the center of the battery module 10.
  • the plurality of battery cells 20 and 30 may be, for example, a pouch type battery cell.
  • the pouch-type battery cell may include an electrode assembly 21, a pouch case 22 that seals the electrode assembly 21 by heat-sealing the edge region while accommodating the electrode assembly 21, and an electrode.
  • a pair of electrode leads 23 connected to the assembly 21 and drawn out of the pouch case 22 are included.
  • the battery cells 20 and 30 may have a form in which a pair of electrode leads are drawn out in opposite directions as shown in FIG. 4, and as shown in FIG. 5, if necessary, a pair of electrodes
  • the leads may have a shape in which the leads are drawn in the same direction.
  • the battery module may include a plurality of battery cells 20 and 30 disposed in the module case 10 vertically or in parallel with each other.
  • the plurality of battery cells may include four first battery cells 20 surrounding the reinforcement shim 40 and another four second batteries surrounding the first battery cells 20. It may be implemented in a form including the cells (30).
  • the battery module according to an embodiment of the present invention is not limited to this form, and may be composed of only four first battery cells 20 surrounding the reinforcing shim 40, or the aforementioned 4 It may further include further battery cells surrounding the two second battery cells (30).
  • the width direction of the battery cells (20, 30) that is, the direction in which the cross-section (S) of the battery cell 20 shown in Figure 4 extends
  • adjacent battery cells 20 and 30 are disposed perpendicular to each other.
  • the battery module when the battery module is implemented in a form further comprising a second battery cell 30 surrounding the first battery cell 20, the short side (S) of each of the second battery cells 30 also, the second battery cell 30 has a substantially square shape, and thus, the length of the short side of the second battery cell 30 is shorter than that of the first battery cell 30 so that the second battery cells 30 surround the first battery cells 20. It is formed longer than the length of.
  • the lengths of the short sides of the first battery cells 20 are the same, and the lengths of the short sides of the second battery cells 30 are the same.
  • the battery module according to an embodiment of the present invention has a structure in which vertically arranged mutually adjacent battery cells are arranged along a width direction of the battery cell, and a reinforcing shim 40 is installed in an empty space formed at the center of the battery module. As shown in FIG. 6, even when an impact is applied in various directions, it has sufficient rigidity thereto.
  • the reinforcement shim 40 applied to the battery module according to an embodiment of the present invention may have a tubular shape in which the center is empty. By being available as a cooling channel, the cooling performance of the battery module can also be improved.
  • the module case 10 itself may be provided at a position corresponding to both ends in the longitudinal direction of the reinforcing shim 40.

Landscapes

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

Abstract

Un module de batterie selon un mode de réalisation de la présente invention comprend : une pluralité de cellules de batterie ; et un boîtier de module pour recevoir la pluralité de cellules de batterie, les cellules de batterie qui sont adjacentes les unes aux autres dans la direction de la largeur de la cellule de batterie parmi la pluralité de cellules de batterie étant positionnées perpendiculairement les unes par rapport aux autres.
PCT/KR2017/010335 2016-09-29 2017-09-20 Module de batterie WO2018062759A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160125900A KR20180035597A (ko) 2016-09-29 2016-09-29 배터리 모듈
KR10-2016-0125900 2016-09-29

Publications (1)

Publication Number Publication Date
WO2018062759A1 true WO2018062759A1 (fr) 2018-04-05

Family

ID=61763484

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/010335 WO2018062759A1 (fr) 2016-09-29 2017-09-20 Module de batterie

Country Status (2)

Country Link
KR (1) KR20180035597A (fr)
WO (1) WO2018062759A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023097490A1 (fr) * 2021-11-30 2023-06-08 宁德时代新能源科技股份有限公司 Module de batterie, bloc-batterie, dispositif électrique et procédé de fabrication de module de batterie

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102415558B1 (ko) * 2019-02-11 2022-07-01 주식회사 엘지에너지솔루션 냉각제가 배터리 모듈 내로 투입될 수 있는 구조를 갖는 에너지 저장 시스템
KR20210017273A (ko) * 2019-08-07 2021-02-17 주식회사 엘지화학 배터리 모듈과 강성 빔을 통합하고 역방향 조립 방식을 채용한 배터리 팩

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100601541B1 (ko) * 2004-10-11 2006-07-19 삼성에스디아이 주식회사 원통형 리튬 이차 전지
JP2012243732A (ja) * 2011-05-24 2012-12-10 Sumitomo Electric Ind Ltd 溶融塩組電池及びそのウォームアップ方法
KR20140000761A (ko) * 2012-06-25 2014-01-06 에스케이이노베이션 주식회사 전지팩
JP2015005384A (ja) * 2013-06-20 2015-01-08 三菱自動車工業株式会社 電池パック
US9214650B2 (en) * 2010-11-12 2015-12-15 Sk Innovation Co., Ltd. Battery module case

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100601541B1 (ko) * 2004-10-11 2006-07-19 삼성에스디아이 주식회사 원통형 리튬 이차 전지
US9214650B2 (en) * 2010-11-12 2015-12-15 Sk Innovation Co., Ltd. Battery module case
JP2012243732A (ja) * 2011-05-24 2012-12-10 Sumitomo Electric Ind Ltd 溶融塩組電池及びそのウォームアップ方法
KR20140000761A (ko) * 2012-06-25 2014-01-06 에스케이이노베이션 주식회사 전지팩
JP2015005384A (ja) * 2013-06-20 2015-01-08 三菱自動車工業株式会社 電池パック

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023097490A1 (fr) * 2021-11-30 2023-06-08 宁德时代新能源科技股份有限公司 Module de batterie, bloc-batterie, dispositif électrique et procédé de fabrication de module de batterie

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Publication number Publication date
KR20180035597A (ko) 2018-04-06

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