JP2021530830A - 二次電池及びその二次電池を含む電池パック - Google Patents
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- 239000000463 material Substances 0.000 claims abstract description 101
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000012466 permeate Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 43
- 239000012528 membrane Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 1
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- H01M50/10—Primary casings; Jackets or wrappings
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- 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
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
- H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
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- H—ELECTRICITY
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- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
- H01M50/367—Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
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- H01M50/30—Arrangements for facilitating escape of gases
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- 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
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- 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
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- Inorganic Chemistry (AREA)
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- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
本出願は、2019年6月4日付韓国特許出願第10−2019−0066143号に基づいた優先権の利益を主張し、当該韓国特許出願の文献に開示された全ての内容は本明細書の一部として含まれる。
100:電極組立体
200:外装材
200a:周囲部
210a:第1外装シート
220a:第2外装シート
300:電極リード
400:ベント部
410:第1ベント部材
420:第2ベント部材
500:防水部
600:弾性部
610:第1弾性部材
620:第2弾性部材
Claims (12)
- 電極と分離膜が交互に配置された構造を有する電極組立体;
内部に前記電極組立体を収容する空間が形成される外装材;
前記外装材内に備えられ、前記電極組立体の少なくとも一部を囲み、前記外装材内の気体は透過できるが、前記外装材内の液体は透過できない防水部;及び
前記外装材の内側面に備えられ、前記外装材の内圧が一定値を超過する場合、前記外装材内の気体が外部に排出される経路を提供するベント部;を含み、
前記防水部は、前記外装材の複数の内側面のうち、前記ベント部が備えられた内側面と向かい合うように備えられる、二次電池。 - 前記外装材は、2枚の外装シートが互いに向かい合う構造を有し、
前記外装材の複数の外側面のうち少なくとも一面には、前記2枚の外装シートの端部が互いに向かい合う周囲部が形成され、
前記ベント部は、前記外装材の複数の内側面のうち、前記周囲部が形成される外側面に対応する内側面に備えられる、請求項1に記載の二次電池。 - 前記外装材の複数の内側面のうち一面から外部に突出される電極リード;をさらに含み、
前記ベント部は、
前記外装材の複数の内側面のうち、前記電極リードが突出される内側面を除外した内側面に備えられる、請求項1または2に記載の二次電池。 - 前記防水部は、前記電極組立体の全体を囲む、請求項1〜3の何れか一項に記載の二次電池。
- 前記ベント部は、
互いに向かい合う第1ベント部材及び第2ベント部材;を含み、
前記第1ベント部材と前記第2ベント部材の間の間隔は、前記外装材の内部から前記外装材の外部の方向に行くほど近くなる、請求項2に記載の二次電池。 - 前記外装材の外部の方向に延長された前記第1ベント部材の一端部と前記第2ベント部材の一端部は互いに接触することにより、前記外装材内の気体が外部に排出される経路が遮断され、
前記外装材の内圧が前記一定値を超過する場合、前記第1ベント部材の前記一端部と前記第2ベント部材の前記一端部が互いに離隔されることにより、前記外装材内の気体が外部に排出される経路が提供される、請求項5に記載の二次電池。 - 前記周囲部の内側面と前記ベント部の間に備えられ、弾性力により前記ベント部を加圧する弾性部;をさらに含む、請求項5に記載の二次電池。
- 前記弾性部は、
前記周囲部の内側面と前記第1ベント部材の間に備えられ、弾性力により前記第1ベント部材を加圧する第1弾性部材;及び
前記周囲部の内側面と前記第2ベント部材の間に備えられ、弾性力により前記第2ベント部材を加圧する第2弾性部材;を含む、請求項7に記載の二次電池。 - 前記外装材の内圧が前記一定値以下に再び下がる場合、前記第1ベント部材の前記一端部と前記第2ベント部材の前記一端部が再び接触することにより、前記外装材内の気体が外部に排出される経路が再び遮断される、請求項6に記載の二次電池。
- 前記周囲部のうち、前記ベント部が備えられる前記内側面に対応する外側面に形成される周囲部を除外した周囲部では、前記2枚の外装シートが互いに接合されて密封部が形成され、
前記周囲部のうち、前記ベント部が備えられる前記内側面に対応する外側面に形成される周囲部では、前記2枚の外装シートが、互いに接合されないか前記密封部の接合力より低い接合力で互いに接合される、請求項2、7及び8の何れか一項に記載の二次電池。 - 請求項1〜10の何れか一項に記載の二次電池を含む、電池パック。
- 前記外装材は、2枚の外装シートが互いに向かい合う構造を有し、
前記外装材の複数の外側面のうち上方を向いている上部外側面には、前記2枚の外装シートが互いに向かい合う周囲部が形成され、
前記ベント部は、前記外装材の複数の内側面のうち前記周囲部が形成される前記上部外側面に対応する内側面に備えられる、請求項11に記載の電池パック。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190066143A KR102566979B1 (ko) | 2019-06-04 | 2019-06-04 | 이차전지 및 그 이차전지를 포함하는 전지 팩 |
KR10-2019-0066143 | 2019-06-04 | ||
PCT/KR2020/004752 WO2020246700A1 (ko) | 2019-06-04 | 2020-04-08 | 이차전지 및 그 이차전지를 포함하는 전지 팩 |
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JP2021530830A true JP2021530830A (ja) | 2021-11-11 |
JP7090969B2 JP7090969B2 (ja) | 2022-06-27 |
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EP (1) | EP3796417A4 (ja) |
JP (1) | JP7090969B2 (ja) |
KR (1) | KR102566979B1 (ja) |
CN (1) | CN112424989A (ja) |
WO (1) | WO2020246700A1 (ja) |
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KR102355919B1 (ko) * | 2021-04-28 | 2022-01-25 | 울산과학기술원 | 침지배터리 및 이를 포함하는 배터리 모듈 |
KR20220158642A (ko) * | 2021-05-24 | 2022-12-01 | 주식회사 엘지에너지솔루션 | 전지 셀 및 이를 포함하는 전지 모듈 |
KR102389851B1 (ko) * | 2022-01-12 | 2022-04-22 | 울산과학기술원 | 침지배터리 및 이를 포함하는 배터리 모듈 |
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- 2019-06-04 KR KR1020190066143A patent/KR102566979B1/ko active IP Right Grant
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JP2010503150A (ja) * | 2006-08-28 | 2010-01-28 | エルジー・ケム・リミテッド | 一方向排気バルブを包含する二次バッテリー |
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JP2017062916A (ja) * | 2015-09-24 | 2017-03-30 | 株式会社Gsユアサ | 蓄電素子 |
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EP3796417A4 (en) | 2021-08-18 |
US20210167460A1 (en) | 2021-06-03 |
KR20200139530A (ko) | 2020-12-14 |
CN112424989A (zh) | 2021-02-26 |
KR102566979B1 (ko) | 2023-08-16 |
WO2020246700A1 (ko) | 2020-12-10 |
JP7090969B2 (ja) | 2022-06-27 |
EP3796417A1 (en) | 2021-03-24 |
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