JP7037020B2 - ベンティング誘導装置を含むパウチ形二次電池 - Google Patents
ベンティング誘導装置を含むパウチ形二次電池 Download PDFInfo
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- JP7037020B2 JP7037020B2 JP2019530173A JP2019530173A JP7037020B2 JP 7037020 B2 JP7037020 B2 JP 7037020B2 JP 2019530173 A JP2019530173 A JP 2019530173A JP 2019530173 A JP2019530173 A JP 2019530173A JP 7037020 B2 JP7037020 B2 JP 7037020B2
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- 238000013022 venting Methods 0.000 title claims description 66
- 230000000149 penetrating effect Effects 0.000 claims description 37
- 238000007789 sealing Methods 0.000 claims description 10
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
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- 229910052744 lithium Inorganic materials 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 230000010354 integration Effects 0.000 description 1
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- 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
- H01M50/30—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
-
- 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
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
- H01M50/30—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
- H01M50/333—Spring-loaded vent valves
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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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)
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Description
101 電極組立体
102a、202a、302a 陽極リード
105a、205a、305a 陽極タブ
102b、202b、302b 陰極リード
105b、205b、305b 陰極タブ
103、203 外周部
107 収納部
108 下部ケース
110、210、220、310、320、330、340 ベンティング誘導装置
111、121a、121b 圧力感知部材
112、122a トリガー
113、123 弾性部材
114、124 貫通部材
115、125 ベンティング誘導装置のケース
115’、215’、225’ 電池ケースシーリング部と重畳するベンティング誘導装置ケースの一部分
116、126 テーパー部
117、127 貫通部材移動通路
118 トリガー移動通路
A ベンティング誘導装置ケースの長軸方向
h1、h2 パウチケースの平面に対する直角方向
w 弾性部材の収縮方向
Claims (12)
- 陽極、分離膜及び陰極が順次積層された構造の電極組立体をパウチケース内に収容するパウチ形二次電池であって、
前記パウチケース内に位置し、前記パウチケースの内圧増加によってトリガーされる弾性部材によって前記パウチケースにガス排出のための開口を形成するベンティング誘導装置を含み、
前記ベンティング誘導装置は、
前記パウチケースの体積膨張によって収縮する圧力感知部材と、
前記圧力感知部材と連通しており、収縮する圧力感知部材の内側に移動するトリガーと、
前記トリガーによって延びた状態で固定されている弾性部材と、
前記弾性部材が収縮することによって前記パウチケースを貫いて前記開口を形成する貫通部材と、
前記弾性部材を収納し、前記トリガー及び貫通部材の移動通路が形成されているケースと、を含む、パウチ形二次電池。 - 前記弾性部材は、トリガーが除去されると、延びた状態から弾性力によって収縮する、請求項1に記載のパウチ形二次電池。
- 前記貫通部材は、前記弾性部材と隣接して位置する状態で、前記弾性部材の収縮時に前記パウチケースの平面に対して直角方向に移動して前記開口を形成する、請求項1に記載のパウチ形二次電池。
- 前記弾性部材の収縮により、前記弾性部材の一側端に連結されたテーパー部が前記貫通部材を前記パウチケースの方向に押し出す、請求項3に記載のパウチ形二次電池。
- 前記弾性部材はスプリング又はゴムである、請求項1に記載のパウチ形二次電池。
- 前記ベンティング誘導装置は、前記ケースの長軸方向が電極端子の突出した前記電極組立体の側面に平行に位置する、請求項1に記載のパウチ形二次電池。
- 前記ベンティング誘導装置は前記パウチケース内の電極タブ及び電極リードの結合部に隣接して位置する、請求項1に記載のパウチ形二次電池。
- 前記ケースは前記パウチケースのシーリング部によって固定される、請求項1に記載のパウチ形二次電池。
- 前記圧力感知部材の内圧は膨張した前記パウチケースの内圧より低い、請求項1に記載のパウチ形二次電池。
- 前記ケースに形成された前記貫通部材の前記移動通路は少なくとも2個以上である、請求項1に記載のパウチ形二次電池。
- 前記ベンティング誘導装置を2個以上含む、請求項1に記載のパウチ形二次電池。
- 請求項1に記載のパウチ形二次電池を含む、電池パック。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020170109716A KR102324549B1 (ko) | 2017-08-29 | 2017-08-29 | 벤팅 유도 장치를 포함하는 파우치형 이차전지 |
KR10-2017-0109716 | 2017-08-29 | ||
PCT/KR2018/007752 WO2019045256A1 (ko) | 2017-08-29 | 2018-07-09 | 벤팅 유도 장치를 포함하는 파우치형 이차전지 |
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JP2020501321A JP2020501321A (ja) | 2020-01-16 |
JP7037020B2 true JP7037020B2 (ja) | 2022-03-16 |
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JP2019530173A Active JP7037020B2 (ja) | 2017-08-29 | 2018-07-09 | ベンティング誘導装置を含むパウチ形二次電池 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11189881B2 (ja) |
EP (1) | EP3567654B1 (ja) |
JP (1) | JP7037020B2 (ja) |
KR (1) | KR102324549B1 (ja) |
CN (1) | CN110168772B (ja) |
PL (1) | PL3567654T3 (ja) |
WO (1) | WO2019045256A1 (ja) |
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KR20210139082A (ko) * | 2020-05-13 | 2021-11-22 | 주식회사 엘지에너지솔루션 | 이차전지 |
KR20220008602A (ko) | 2020-07-14 | 2022-01-21 | 주식회사 엘지에너지솔루션 | 벤팅 디바이스 및 이를 포함하는 배터리 팩 어셈블리, 그리고 배터리 팩 어셈블리를 포함하는 자동차 |
KR102549117B1 (ko) * | 2020-11-10 | 2023-06-30 | 한국철도기술연구원 | 이차 전지의 가스 배출 장치 |
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JP2023551710A (ja) * | 2021-07-21 | 2023-12-12 | エルジー エナジー ソリューション リミテッド | ベントデバイス及びこれを含むバッテリーパックアセンブリ、並びにバッテリーパックアセンブリを含む自動車 |
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US20230207956A1 (en) * | 2021-12-24 | 2023-06-29 | Lg Energy Solution, Ltd. | Battery Cell, And Battery Module, Battery Pack And Vehicle Including The Same |
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- 2018-07-09 US US16/488,749 patent/US11189881B2/en active Active
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- 2018-07-09 JP JP2019530173A patent/JP7037020B2/ja active Active
- 2018-07-09 CN CN201880006170.7A patent/CN110168772B/zh active Active
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WO2013146803A1 (ja) | 2012-03-28 | 2013-10-03 | 株式会社オプトニクス精密 | 安全弁および電気化学素子 |
JP2016031934A (ja) | 2014-07-29 | 2016-03-07 | エスケー イノベーション カンパニー リミテッドSk Innovation Co.,Ltd. | パウチ型リチウム二次電池のベンティングシステム |
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US11189881B2 (en) | 2021-11-30 |
PL3567654T3 (pl) | 2021-07-05 |
KR102324549B1 (ko) | 2021-11-10 |
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JP2020501321A (ja) | 2020-01-16 |
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US20200251707A1 (en) | 2020-08-06 |
KR20190023648A (ko) | 2019-03-08 |
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EP3567654B1 (en) | 2021-03-17 |
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