JP2020505730A - 電極タブ切断装置を含むパウチ形二次電池 - Google Patents
電極タブ切断装置を含むパウチ形二次電池 Download PDFInfo
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
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- H—ELECTRICITY
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- 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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
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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
- H01M50/20—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
- 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
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
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- H—ELECTRICITY
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- 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
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
- H01M50/557—Plate-shaped terminals
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- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
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- H—ELECTRICITY
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- 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
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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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- 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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Abstract
Description
101 電極組立体
102 電極タブ
102a、202a 陽極リード
102b、202b 陰極リード
103、203 外周部
105a、205a 陽極タブ
105b、205b 陰極タブ
107 収納部
108 下部ケース
110、210、220 電極タブ切断装置
111、311 トリガー
112、312 切断部材
113、313 弾性部材
114、314 ケース
118a 開口が形成された面
118b 開口が形成された面の対向面
130 電池ケース
200 パウチ形二次電池
315 圧力センサー部材
h1 ケースの垂直断面高さ
h2 トリガーの長さ
w ケースの長軸方向
Claims (11)
- 陽極、分離膜及び陰極が積層された構造の電極組立体がパウチケース内に収容された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の増加でトリガーされる弾性部材によって前記電極組立体の前記パウチケース内の電極タブ又は電極リードを切断する電極タブ切断装置を含む、パウチ形二次電池。 - 前記電極タブ切断装置は、
前記パウチケースと連結されたトリガーと、
前記電極組立体から突出した少なくとも一つの電極タブ又は電極リードを貫通するように配置された糸状の切断部材と、
前記切断部材と一側端で連結され、前記トリガーによって固定されている弾性部材と、
前記電極タブ又は電極リードと近接した一面には前記切断部材が移動することができる開口が形成され、他面には前記弾性部材が固定された状態で内蔵されている管状のケースとを含む、請求項1に記載のパウチ形二次電池。 - 前記弾性部材は、初期の延びた状態で前記パウチケースの膨張によって前記トリガーが除去される場合、弾性力によって収縮する、請求項2に記載のパウチ形二次電池。
- 前記弾性部材の収縮によって前記切断部材が前記パウチケースの内側に移動するにつれて前記切断部材によって電極タブ又は電極リードを切断する、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1〜4の何れか一項に記載のパウチ形二次電池。
- 前記電極タブ切断装置は、前記パウチケースの体積膨張によって収縮する圧力センサー部材をさらに含み、
前記圧力センサー部材が収縮する場合、前記トリガーが圧力センサー部材の内側方向に移動して前記弾性部材の固定を解除する、請求項2〜5の何れか一項に記載のパウチ形二次電池。 - 前記電極タブ切断装置は、前記パウチケースの長軸方向の側面が前記電極タブの突出方向の電極組立体の側面と対面するように内蔵される、請求項1〜6の何れか一項に記載のパウチ形二次電池。
- 前記パウチケースの他面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2〜7の何れか一項に記載のパウチ形二次電池。
- 前記パウチケースに2個以上のトリガーが離隔した状態で位置する、請求項2〜8の何れか一項に記載のパウチ形二次電池。
- 前記電極タブ切断装置を2個以上含む、請求項1〜9の何れか一項に記載のパウチ形二次電池。
- 請求項1〜10の何れか一項に記載のパウチ形二次電池を含む、電池パック。
Applications Claiming Priority (3)
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KR10-2017-0097685 | 2017-08-01 | ||
KR1020170097685A KR102364159B1 (ko) | 2017-08-01 | 2017-08-01 | 전극 탭 절단 장치를 포함하는 파우치형 이차전지 |
PCT/KR2018/007578 WO2019027147A1 (ko) | 2017-08-01 | 2018-07-04 | 전극 탭 절단 장치를 포함하는 파우치형 이차전지 |
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JP2020505730A true JP2020505730A (ja) | 2020-02-20 |
JP7037009B2 JP7037009B2 (ja) | 2022-03-16 |
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US (1) | US11264636B2 (ja) |
EP (1) | EP3570348B1 (ja) |
JP (1) | JP7037009B2 (ja) |
KR (1) | KR102364159B1 (ja) |
CN (1) | CN110168779B (ja) |
PL (1) | PL3570348T3 (ja) |
WO (1) | WO2019027147A1 (ja) |
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US11081684B2 (en) | 2017-05-24 | 2021-08-03 | Honda Motor Co., Ltd. | Production of carbon nanotube modified battery electrode powders via single step dispersion |
US20190036102A1 (en) | 2017-07-31 | 2019-01-31 | Honda Motor Co., Ltd. | Continuous production of binder and collector-less self-standing electrodes for li-ion batteries by using carbon nanotubes as an additive |
US10658651B2 (en) | 2017-07-31 | 2020-05-19 | Honda Motor Co., Ltd. | Self standing electrodes and methods for making thereof |
US11201318B2 (en) | 2017-09-15 | 2021-12-14 | Honda Motor Co., Ltd. | Method for battery tab attachment to a self-standing electrode |
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CN113363684B (zh) * | 2021-05-31 | 2022-07-12 | 东莞新能安科技有限公司 | 电池组及用电设备 |
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EP3570348A1 (en) | 2019-11-20 |
EP3570348B1 (en) | 2020-11-04 |
KR102364159B1 (ko) | 2022-02-18 |
JP7037009B2 (ja) | 2022-03-16 |
EP3570348A4 (en) | 2020-03-25 |
US11264636B2 (en) | 2022-03-01 |
PL3570348T3 (pl) | 2021-05-04 |
WO2019027147A1 (ko) | 2019-02-07 |
KR20190013285A (ko) | 2019-02-11 |
CN110168779B (zh) | 2021-11-26 |
US20190379084A1 (en) | 2019-12-12 |
CN110168779A (zh) | 2019-08-23 |
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