KR100899281B1 - 안정적인 전극리드-전극 탭 결합부로 이루어진 전극조립체및 이를 포함하고 있는 전기화학 셀 - Google Patents
안정적인 전극리드-전극 탭 결합부로 이루어진 전극조립체및 이를 포함하고 있는 전기화학 셀 Download PDFInfo
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- KR100899281B1 KR100899281B1 KR1020070070890A KR20070070890A KR100899281B1 KR 100899281 B1 KR100899281 B1 KR 100899281B1 KR 1020070070890 A KR1020070070890 A KR 1020070070890A KR 20070070890 A KR20070070890 A KR 20070070890A KR 100899281 B1 KR100899281 B1 KR 100899281B1
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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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/66—Current collectors
- H01G11/72—Current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
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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
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- H01M10/0459—Cells or batteries with folded separator between plate-like electrodes
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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
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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
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- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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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
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- H—ELECTRICITY
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- H—ELECTRICITY
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
Description
Claims (12)
- 양극/분리막/음극 구조의 스택형 또는 스택/폴딩형 전극조립체로서, 전극조립체를 구성하는 각각의 전극판에는 활물질이 도포되어 있지 않은 탭(전극 탭)이 돌출되어 있고, 상기 전극 탭들이 적층되어 있는 일측 단부에는 전극 탭들을 전기적으로 연결하기 위한 전극리드가 위치되어 있으며,상기 전극 탭과 결합되는 전극리드는 평면상에서 단부의 양측과 수직 단면상에서 단부의 외주면이 각각 라운딩 구조로 이루어져 있고, 상기 전극리드 단부 양측은 전극리드 폭의 1/20 내지 1/3 크기의 반경으로 라운딩되어 있으며, 상기 전극리드 단부 외주면은 전극리드 두께의 1/5 내지 1/2 크기의 반경으로 라운딩되어 있는 것을 특징으로 하는 전극조립체.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서, 상기 라운딩 구조는 기계적 처리 또는 화학적 처리에 의해 형성되는 것을 특징으로 하는 전극조립체.
- 제 1 항에 있어서, 상기 전극리드는 금속 플레이트인 것을 특징으로 하는 전극조립체.
- 제 7 항에 있어서, 상기 금속 플레이트는 알루미늄 플레이트, 구리 플레이트, 니켈 플레이트, 니켈이 코팅된 구리 플레이트, 및 SUS 플레이트로 이루어진 군에서 선택되는 하나 또는 그 이상인 것을 특징으로 하는 전극조립체.
- 제 1 항 및 제 6 항 내지 제 8 항 중 어느 하나에 따른 전극조립체를 포함하는 것으로 구성된 전기화학 셀.
- 제 9 항에 있어서, 상기 전기화학 셀은 이차전지 또는 캐패시터인 것을 특징으로 하는 전기화학 셀.
- 제 10 항에 있어서, 상기 이차전지는 금속층과 수지층을 포함하는 라미네이트 시트의 전지케이스에 전극조립체가 밀봉된 상태로 내장되어 있는 것을 특징으로 하는 전기화학 셀.
- 제 11 항에 있어서, 상기 이차전지는 고출력 대용량의 전지팩에 사용되는 단위전지인 것을 특징으로 하는 전기화학 셀.
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KR1020060066653 | 2006-07-18 | ||
KR20060066653 | 2006-07-18 |
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KR20080008245A KR20080008245A (ko) | 2008-01-23 |
KR100899281B1 true KR100899281B1 (ko) | 2009-05-26 |
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KR1020070070890A KR100899281B1 (ko) | 2006-07-18 | 2007-07-14 | 안정적인 전극리드-전극 탭 결합부로 이루어진 전극조립체및 이를 포함하고 있는 전기화학 셀 |
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US (1) | US8673476B2 (ko) |
JP (1) | JP5550805B2 (ko) |
KR (1) | KR100899281B1 (ko) |
CN (1) | CN101517806B (ko) |
WO (1) | WO2008010656A1 (ko) |
Families Citing this family (13)
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JP5329890B2 (ja) * | 2008-09-29 | 2013-10-30 | 株式会社東芝 | 非水電解質電池 |
CN102035013B (zh) * | 2009-10-01 | 2014-08-13 | 三星Sdi株式会社 | 二次电池和制造二次电池的方法 |
JP5618010B2 (ja) | 2010-12-20 | 2014-11-05 | エルジー・ケム・リミテッド | 多方向性リード−タブ構造を有するリチウム二次電池 |
JP6159719B2 (ja) | 2012-05-10 | 2017-07-05 | 株式会社Gsユアサ | 蓄電素子 |
KR101688569B1 (ko) * | 2014-02-06 | 2016-12-21 | 주식회사 엘지화학 | 단차 구조를 포함하는 전지셀 및 절연저항 불량 확인 방법 |
US10622615B2 (en) | 2015-11-25 | 2020-04-14 | Envision Aesc Energy Devices Ltd. | Electrochemical device |
KR102066909B1 (ko) * | 2016-10-04 | 2020-01-16 | 주식회사 엘지화학 | 둥근 형태로 전극 리드를 가공할 수 있는 리드 가공 장치 및 이를 이용하여 가공된 전극 리드를 포함하는 가공된 전지셀 |
JP7043754B2 (ja) * | 2017-08-02 | 2022-03-30 | 住友電気工業株式会社 | リード部材および蓄電デバイス |
KR102270867B1 (ko) | 2017-12-07 | 2021-07-01 | 주식회사 엘지에너지솔루션 | 전극, 그의 제조방법, 전극조립체 및 이차전지 |
JP2020170639A (ja) * | 2019-04-03 | 2020-10-15 | 積水化学工業株式会社 | 積層型電池 |
US20210218006A1 (en) * | 2020-01-10 | 2021-07-15 | GM Global Technology Operations LLC | Electrode assembly and method of making the same |
JP7347384B2 (ja) | 2020-09-24 | 2023-09-20 | トヨタ自動車株式会社 | 二次電池 |
KR102538336B1 (ko) * | 2021-05-18 | 2023-06-01 | 주식회사 폴 | 이차전지용 리드탭 모서리 라운딩 가공장치 |
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US8673476B2 (en) | 2014-03-18 |
CN101517806A (zh) | 2009-08-26 |
CN101517806B (zh) | 2011-07-06 |
KR20080008245A (ko) | 2008-01-23 |
JP5550805B2 (ja) | 2014-07-16 |
WO2008010656A1 (en) | 2008-01-24 |
JP2008027893A (ja) | 2008-02-07 |
US20090305134A1 (en) | 2009-12-10 |
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