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WO2013065942A1 - Élément de batterie et module de batterie le comprenant - Google Patents

Élément de batterie et module de batterie le comprenant Download PDF

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Publication number
WO2013065942A1
WO2013065942A1 PCT/KR2012/007146 KR2012007146W WO2013065942A1 WO 2013065942 A1 WO2013065942 A1 WO 2013065942A1 KR 2012007146 W KR2012007146 W KR 2012007146W WO 2013065942 A1 WO2013065942 A1 WO 2013065942A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
case
battery cell
insertion member
present
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2012/007146
Other languages
English (en)
Inventor
Eun Jin Kim
Kyung Jin Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SK Innovation Co Ltd
Original Assignee
SK Innovation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SK Innovation Co Ltd filed Critical SK Innovation Co Ltd
Publication of WO2013065942A1 publication Critical patent/WO2013065942A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4242—Regeneration of electrolyte or reactants
    • 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
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • 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 cell and a battery module including the same.
  • a secondary battery may be rechargeable and have increased capacity.
  • a representative example of the secondary battery includes a nickel cadmium battery, a nickel hydrogen battery, a lithium ion battery, and the like.
  • the lithium ion battery has been spotlighted as the next generation power source due to excellent characteristics such as a long lifespan, high capacity, and the like.
  • a lithium secondary battery which has operating voltage of 3.6 V or more, is used as a power supply of a portable electronic device or several lithium secondary batteries are connected in series with each other to thereby be used for a high output hybrid vehicle.
  • this lithium secondary battery has operating voltage three times higher than that of the nickel-cadmium battery or the nickel-metal hydride battery and is more excellent in view of energy density characteristics per unit weight than the nickel-cadmium battery or the nickel-metal hydride battery, the use of the lithium secondary battery has rapidly increased.
  • the lithium secondary battery may be manufactured in various types.
  • a representative type of the lithium secondary battery may include a cylindrical type and a prismatic type that are mainly used for the lithium ion battery.
  • a lithium polymer battery that has been recently spotlighted is manufactured in a pouch type having flexibility, such that it has a relatively free shape.
  • the lithium polymer battery has excellent stability and light weight, such that it is advantageous for slimness and lightness of the portable electronic device.
  • the battery cell includes a battery part and a case in which the battery part is received, wherein the battery part has a configuration in which a cathode plate, a separator, and an anode plate are stacked or wound in one direction. In this configuration, the cathode plate and the anode plate of the battery part are electrically connected to each other.
  • Japanese Patent Laid-Open Publication No 2003-109557 has disclosed a technology for preventing damage of an electrode terminal from external impact or deformation pressure by inserting a thermoplastic resin into a pouch shaped space between an electrode assembly, the electrode terminal, and a battery case and then solidify the thermoplastic resin.
  • An object of the present invention is to provide a battery cell capable of preventing deterioration of performance and durability of a battery due to a temperature change by including an insertion member provided in a case of the battery cell and having heat insulation characteristics, and a battery module including the same.
  • Another object of the present invention is to provide a battery cell capable of preventing deterioration of performance due to depletion of an electrolyte by using a sponge type member facilitating impregnation of the electrolyte as an insertion member, and a battery module including the same.
  • a battery cell 100 includes: a case 140; a battery part 110 provided in the case 140 and including first and second electrode parts 111 and 112; first and second electrode tabs 120 and 130 formed at the first and second electrode parts 111 and 112, respectively, and protruding outwardly of the case 140; and an insertion member 150 having a size corresponding to a portion or the entirety of the battery part 110 and provided between an inner surface of the case 140 and the battery part 110.
  • the insertion member 150 may have heat insulation characteristics so as to block heat conduction.
  • the insertion member 150 may be a sponge type member absorbing an electrolyte.
  • a battery module 1000 includes the battery cell 100 as described above.
  • the battery cell and the battery module including the same includes the insertion member provided in the case of the battery cell and having the heat insulation characteristics, thereby making it possible to prevent deterioration of performance and durability of the battery due to a temperature change.
  • the battery cell and the battery module including the same uses the sponge type member facilitating impregnation of an electrolyte as the insertion member, thereby making it possible to prevent deterioration of performance due to depletion of the electrolyte.
  • FIGS. 1 and 2 are, respectively, a perspective view and an exploded perspective view showing a battery cell according to a first exemplary embodiment of the present invention.
  • FIG. 3 is an exploded perspective view of a battery cell according to a second exemplary embodiment of the present invention.
  • FIG. 4 is an exploded perspective view of a battery cell according to a third exemplary embodiment of the present invention.
  • FIG. 5 is an exploded perspective view showing a battery module according to an exemplary embodiment of the present invention.
  • FIG. 6 is a partially exploded perspective view of the battery module shown in FIG. 5.
  • the battery cell 100 is configured to include a case 140, a battery part 110, and an insertion member 150.
  • the case 140 which is a basic body forming an appearance of the battery cell 100, includes the battery part 110 and the insertion member 150 provided therein.
  • the battery cell 100 according to the exemplary embodiment of the present invention is not limited thereto.
  • the pouch type case 140 may be sealed by heat-fusing an edge thereof in a state in which it includes remaining components (the battery part 110 and the insertion member 150) therein.
  • the pouch type case 140 may be formed of an aluminum laminate packaging material which is manufactured in a thin and flexible form by depositing a plastic thin film such as a polyethylene (PE) thin film on a thin aluminum (Al) plate.
  • a plastic thin film such as a polyethylene (PE) thin film on a thin aluminum (Al) plate.
  • the battery part 110 which is a component provided in the case 140, may be charged with electricity or discharge the electricity.
  • the battery part 110 is configured to include a first electrode part 111 and a second electrode part 112, wherein the first electrode part 111 has a first electrode tab 120 connected thereto and the second electrode part 112 has a second electrode tab 130 connected thereto.
  • first and second electrode parts 111 and 112 protrude outwardly of the case 140 by predetermined regions and the first and second electrode tabs 120 and 130 are connected to the protruding regions, respectively, has been shown in FIGS. 1 and 2, only the first and second electrode tabs 120 and 130 may also protrude outwardly of the case 140.
  • the insertion member 150 which is a component inserted together with the battery part 110 into the case 140, is provided between an inner surface of the case 140 and the battery part 110.
  • the insertion member 150 is made of a material having heat insulation characteristics so as to block heat conduction to block a temperature change of an inner portion of the battery cell 100 or a temperature change of an outer portion of the battery cell 100, thereby making it possible to reduce a problem such as deterioration of durability due to a rapid temperature change.
  • a material of the insertion member 150 a polymer resin, a polymer composite, or the like, may be used.
  • a sponge type member that may absorb an electrolyte is used as the insertion member 150 to assist in impregnating the electrolyte, thereby making it possible to prevent deterioration of performance of the battery due to depletion of the electrolyte.
  • the sponge type member having the heat insulation characteristics is used as the insertion member 150, thereby making it possible to apply both of the advantages described above.
  • the insertion member 150 may be heat-fused together with the pouch type case 140 at the time of heat-fusing the pouch type case 140 to thereby be fixed to the pouch type case 140.
  • the pouch type case 140 may be fixed to an outermost portion of the battery part 110 using an adhesive.
  • a separate fixing condition such as the use of the adhesive, or the like, may not be set.
  • FIGS. 1 and 2 are views showing a battery cell 100 according to a first exemplary embodiment of the present invention, an example in which the insertion members 150 are formed at a size corresponding to the battery part 110 and are provided at both sides of the battery part 110 in the case 140, respectively, is shown.
  • FIG. 3 is a view showing a battery cell 100 according to a second exemplary embodiment of the present invention
  • an example in which the insertion member 150 is formed at a size corresponding to the battery part 110 and is provided singly at one side of the battery part 110 in the case 140 is shown.
  • the battery cells 100 having a form shown in FIG. 3 are stacked to form a battery module 1000, it is preferable that the battery cells 100 each having the insertion member 150 inserted into one side thereof are sequentially stacked, such that one of the neighboring battery cells 100 is provided with the insertion member 150.
  • FIG. 4 is a view showing a battery cell 100 according to a third exemplary embodiment of the present invention, an example in which the insertion member 150 is formed at a size corresponding to a predetermined region of the battery part 110 and is positioned so as to support a central region is shown.
  • the insertion member 150 having various sizes, numbers, and forms in addition to the form shown in FIGS. 1 to 4 may be used.
  • FIG. 5 is a view showing a battery module 1000 according to the exemplary embodiment of the present invention, an example in which a housing 200 is divided into upper and lower components and the lower component includes two parts is shown.
  • FIG. 6 is a view showing a sub battery module 1000 of the battery module 1000 shown in FIG. 5, an example in which the sub battery module 1000 includes two battery cells 100, a partition 400 provided between the two battery cells 100, and a pair of covers 300 fixing the battery cells 100 the partition 400 is shown.
  • FIGS. 5 and 6 is an example of the battery module 1000 according to the present invention. Therefore, the battery module 1000 according to the present invention may have any shape as long as it uses the battery cell 100 as described above, in addition to the shape shown in FIGS. 5 and 6.
  • the battery module 1000 according to the present invention may prevent deterioration of durability due to a temperature change that may be generated due to use of a plurality of battery cells 100.

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

L'invention porte sur un élément de batterie qui est apte à empêcher une détérioration de durée de vie d'une batterie due à un changement de température et une détérioration des performances de la batterie due à un appauvrissement d'un électrolyte, par le fait comprendre un élément d'insertion disposé dans un boîtier et ayant des caractéristiques d'isolation thermique et d'imprégnation d'électrolyte, et sur un module de batterie le comprenant.
PCT/KR2012/007146 2011-10-31 2012-09-06 Élément de batterie et module de batterie le comprenant Ceased WO2013065942A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0111732 2011-10-31
KR20110111732A KR20130046999A (ko) 2011-10-31 2011-10-31 배터리셀 및 이를 포함하는 배터리 모듈

Publications (1)

Publication Number Publication Date
WO2013065942A1 true WO2013065942A1 (fr) 2013-05-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/007146 Ceased WO2013065942A1 (fr) 2011-10-31 2012-09-06 Élément de batterie et module de batterie le comprenant

Country Status (2)

Country Link
KR (1) KR20130046999A (fr)
WO (1) WO2013065942A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108242530A (zh) * 2016-12-23 2018-07-03 北京好风光储能技术有限公司 一种锂浆料电池及其负极片
US10361470B2 (en) 2015-05-14 2019-07-23 Lg Chem, Ltd. Battery module having all-solid-state battery and cartridge
CN111799411A (zh) * 2015-02-27 2020-10-20 株式会社Lg化学 电池模块
US10868337B2 (en) 2016-03-08 2020-12-15 Beijing Hawaga Power Storage Technology Company Ltd Cell-core for lithium slurry battery, and lithium slurry battery module
US11233276B2 (en) 2017-04-07 2022-01-25 Beijing Hawaga Power Storage Technology Company Ltd. Lithium slurry battery system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102201348B1 (ko) * 2017-01-17 2021-01-08 주식회사 엘지화학 배터리 모듈의 제조 방법
KR102207881B1 (ko) * 2017-01-17 2021-01-25 주식회사 엘지화학 배터리 모듈, 이러한 배터리 모듈을 포함하는 배터리 팩 및 이러한 배터리 팩을 포함하는 자동차

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020192544A1 (en) * 2001-03-26 2002-12-19 Sanyo Electric Co., Ltd. Battery having a film-type casing
US20080206636A1 (en) * 2007-02-21 2008-08-28 Riken Technos Corporation Lithium secondary battery with a laminate housing material
KR20080112653A (ko) * 2007-06-22 2008-12-26 주식회사 엘지화학 안전성이 향상된 이차전지용 케이스 및 이를 포함하고 있는리튬 이차전지
US20100183914A1 (en) * 2007-06-05 2010-07-22 Luca Toia Rechargeable lithium batteries comprising means for the sorption of harmful substances in the form of a multilayer polymeric sheet
KR20100102461A (ko) * 2009-03-11 2010-09-24 에스비리모티브 주식회사 이차 전지

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020192544A1 (en) * 2001-03-26 2002-12-19 Sanyo Electric Co., Ltd. Battery having a film-type casing
US20080206636A1 (en) * 2007-02-21 2008-08-28 Riken Technos Corporation Lithium secondary battery with a laminate housing material
US20100183914A1 (en) * 2007-06-05 2010-07-22 Luca Toia Rechargeable lithium batteries comprising means for the sorption of harmful substances in the form of a multilayer polymeric sheet
KR20080112653A (ko) * 2007-06-22 2008-12-26 주식회사 엘지화학 안전성이 향상된 이차전지용 케이스 및 이를 포함하고 있는리튬 이차전지
KR20100102461A (ko) * 2009-03-11 2010-09-24 에스비리모티브 주식회사 이차 전지

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111799411A (zh) * 2015-02-27 2020-10-20 株式会社Lg化学 电池模块
CN111799411B (zh) * 2015-02-27 2023-05-30 株式会社Lg新能源 电池模块
US10361470B2 (en) 2015-05-14 2019-07-23 Lg Chem, Ltd. Battery module having all-solid-state battery and cartridge
US10868337B2 (en) 2016-03-08 2020-12-15 Beijing Hawaga Power Storage Technology Company Ltd Cell-core for lithium slurry battery, and lithium slurry battery module
CN108242530A (zh) * 2016-12-23 2018-07-03 北京好风光储能技术有限公司 一种锂浆料电池及其负极片
CN108242530B (zh) * 2016-12-23 2022-02-22 北京好风光储能技术有限公司 一种锂浆料电池及其负极片
US11233276B2 (en) 2017-04-07 2022-01-25 Beijing Hawaga Power Storage Technology Company Ltd. Lithium slurry battery system

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Publication number Publication date
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