JP5704645B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
- Publication number
- JP5704645B2 JP5704645B2 JP2011075545A JP2011075545A JP5704645B2 JP 5704645 B2 JP5704645 B2 JP 5704645B2 JP 2011075545 A JP2011075545 A JP 2011075545A JP 2011075545 A JP2011075545 A JP 2011075545A JP 5704645 B2 JP5704645 B2 JP 5704645B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- current
- secondary battery
- negative electrode
- current interrupting
- 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.)
- Expired - Fee Related
Links
- 239000004020 conductor Substances 0.000 claims description 25
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000011888 foil Substances 0.000 description 16
- 238000005304 joining Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009783 overcharge test Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011149 active material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- 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
- H01M10/0431—Cells with wound or folded electrodes
-
- 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
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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
- H01M50/572—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
-
- 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
Description
図1に、第1の実施形態の積層型二次電池の透視平面図を示す。図2に、第1の実施形態の積層型二次電池の電流遮断部の、図1のA−A線に沿った断面図を示す。
図5に、第2の実施形態の積層型二次電池の透視平面図を示す。第2の実施形態の積層型二次電池は、電流遮断部が、正極タブと正極との電流の経路上に配置されている点が、第1の実施形態と異なっている。なお、第2の実施形態は、電流遮断部の位置を除く構成が第1の実施形態と同一であるので、第1の実施形態と同一の構成部材には第1の実施形態と同一の符号を付して説明を省略する。
(1)電池を満充電状態「DOD(Depth of discharge):0%」にする。
(2)電池の表面温度が「20℃±2℃」になるように温度を安定させる。
(3)電池を「合計0.1Ω未満」の外部抵抗を用いて外部短絡状態にして、1時間連続して短絡状態を継続させる。
(1)電池を放電状態「DOD:100%」にする。
(2)10V−1Cの条件で、充電を2.5時間連続して行う。
3 正極
4 負極
6 電極積層体
7 外装体
8 正極タブ
9 負極タブ
10 電流遮断部
11 電流遮断素子
16 破断部
17 溶断部
Claims (5)
- セパレータを介して積層された正極と負極とを有する電極積層体と、
前記電極積層体を収容する外装体と、
一端が前記正極または前記負極に電気的に接続され、他端が前記外装体の外部に延ばされた電極端子と、
前記正極または前記負極と、前記電極端子との間の電流の経路上に配置された電流遮断素子を有する電流遮断部と、を備え、
前記電流遮断素子は、前記外装体同士が対向する2つの内面にそれぞれ連結され、前記外装体が膨張したときに破断する一組の破断部であって、前記一組の破断部の一方が前記2つの内面の一方に接続され、前記一組の破断部の他方が前記2つの内面の他方に接続される一組の破断部と、前記一組の破断部に跨って形成され、過電流が流れたときに溶断する溶断部とを有し、前記一組の破断部の一方が前記電極端子に電気的に接続され、前記一組の破断部の他方が前記正極または前記負極に電気的に接続されている、二次電池。 - 前記電流遮断部は、前記電流遮断素子の一端部と前記正極または前記負極とを連結する第1の導電体と、前記電流遮断素子の他端部と前記電極端子とを連結する第2の導電体と、を有している、請求項1に記載の二次電池。
- 前記電流遮断部は、前記溶断部を覆う断熱材を有している、請求項1または2に記載の二次電池。
- 前記破断部は、外縁部から延びる複数の切れ目を有している、請求項1ないし3のいずれか1項に記載の二次電池。
- 前記電極積層体は、前記セパレータを介して積層された前記正極と前記負極とを巻回してなる請求項1ないし4のいずれか1項に記載の二次電池。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011075545A JP5704645B2 (ja) | 2011-03-30 | 2011-03-30 | 二次電池 |
CN201280012048.3A CN103415944B (zh) | 2011-03-30 | 2012-02-28 | 二次电池 |
PCT/JP2012/054995 WO2012132719A1 (ja) | 2011-03-30 | 2012-02-28 | 二次電池 |
US14/001,438 US20130337300A1 (en) | 2011-03-30 | 2012-02-28 | Secondary battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011075545A JP5704645B2 (ja) | 2011-03-30 | 2011-03-30 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012209204A JP2012209204A (ja) | 2012-10-25 |
JP5704645B2 true JP5704645B2 (ja) | 2015-04-22 |
Family
ID=46930469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011075545A Expired - Fee Related JP5704645B2 (ja) | 2011-03-30 | 2011-03-30 | 二次電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130337300A1 (ja) |
JP (1) | JP5704645B2 (ja) |
CN (1) | CN103415944B (ja) |
WO (1) | WO2012132719A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101808312B1 (ko) * | 2013-09-26 | 2017-12-12 | 주식회사 엘지화학 | 이차전지 및 이에 적용되는 전극 리드 조립체 |
KR101558709B1 (ko) * | 2013-12-30 | 2015-10-08 | 현대자동차주식회사 | 차량의 고전압배터리 |
KR101704127B1 (ko) * | 2014-11-14 | 2017-02-07 | 현대자동차주식회사 | 스웰링 cid 작동 신뢰성이 향상되는 배터리 시스템 |
KR101704129B1 (ko) * | 2014-11-20 | 2017-02-07 | 현대자동차주식회사 | 스웰링 cid |
JP6692368B2 (ja) * | 2015-04-22 | 2020-05-13 | エルジー・ケム・リミテッド | 安全性が向上した二次電池 |
JP2018521446A (ja) * | 2015-05-11 | 2018-08-02 | ゴゴロ インク | 可搬型多セル電気エネルギー貯蔵装置用電気コネクタ |
KR20180033972A (ko) * | 2016-09-27 | 2018-04-04 | 현대자동차주식회사 | 배터리 셀 |
KR102540916B1 (ko) * | 2016-12-05 | 2023-06-07 | 현대자동차주식회사 | 과충전 안전장치 |
KR102065372B1 (ko) * | 2017-02-02 | 2020-01-13 | 주식회사 엘지화학 | 과충전시 안전성 확보를 위한 단락 구조물 및 이를 포함하는 파우치형 이차전지 |
KR102332338B1 (ko) * | 2017-06-01 | 2021-11-29 | 삼성에스디아이 주식회사 | 배터리 팩 |
KR102264635B1 (ko) * | 2017-11-23 | 2021-06-15 | 주식회사 엘지에너지솔루션 | 파우치 형 이차 전지 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10294097A (ja) * | 1997-02-24 | 1998-11-04 | Mitsubishi Electric Corp | 薄型電池 |
JP3618219B2 (ja) * | 1998-03-17 | 2005-02-09 | 旭化成エレクトロニクス株式会社 | 非水系電池および電極端子 |
JP4354028B2 (ja) * | 1998-08-20 | 2009-10-28 | 大日本印刷株式会社 | 安全弁付き電池ケース |
JP4175725B2 (ja) * | 1999-03-31 | 2008-11-05 | 三洋電機株式会社 | 薄型電池 |
JP2001196049A (ja) * | 2000-01-07 | 2001-07-19 | Alps Electric Co Ltd | 電池用の感圧電流遮断構造 |
JP4009806B2 (ja) * | 2000-02-17 | 2007-11-21 | 株式会社ジーエス・ユアサコーポレーション | 密閉型電池 |
CN1236507C (zh) * | 2000-03-17 | 2006-01-11 | Tdk株式会社 | 电化学装置 |
JP4132588B2 (ja) * | 2000-06-16 | 2008-08-13 | Tdk株式会社 | 電気化学デバイス |
JP2002222626A (ja) * | 2001-01-25 | 2002-08-09 | Alps Electric Co Ltd | 電流ヒューズ、及びこの電流ヒューズを用いた電池 |
KR100420146B1 (ko) * | 2001-10-18 | 2004-03-02 | 삼성에스디아이 주식회사 | 서모 프로텍터가 장착된 이차전지 |
JP2005044523A (ja) * | 2003-07-22 | 2005-02-17 | Toyota Motor Corp | 二次電池の電流遮断構造およびその構造を備えた二次電池 |
CA2562960C (en) * | 2004-04-13 | 2010-10-19 | Lg Chem, Ltd. | Electrochemical cell comprising electrode lead with protector element |
US20110104520A1 (en) * | 2009-11-02 | 2011-05-05 | Changbum Ahn | Secondary battery and battery pack using the same |
-
2011
- 2011-03-30 JP JP2011075545A patent/JP5704645B2/ja not_active Expired - Fee Related
-
2012
- 2012-02-28 CN CN201280012048.3A patent/CN103415944B/zh not_active Expired - Fee Related
- 2012-02-28 WO PCT/JP2012/054995 patent/WO2012132719A1/ja active Application Filing
- 2012-02-28 US US14/001,438 patent/US20130337300A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2012209204A (ja) | 2012-10-25 |
CN103415944B (zh) | 2016-05-11 |
WO2012132719A1 (ja) | 2012-10-04 |
CN103415944A (zh) | 2013-11-27 |
US20130337300A1 (en) | 2013-12-19 |
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