JP2006302734A - 二次電池 - Google Patents
二次電池 Download PDFInfo
- Publication number
- JP2006302734A JP2006302734A JP2005124629A JP2005124629A JP2006302734A JP 2006302734 A JP2006302734 A JP 2006302734A JP 2005124629 A JP2005124629 A JP 2005124629A JP 2005124629 A JP2005124629 A JP 2005124629A JP 2006302734 A JP2006302734 A JP 2006302734A
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- Prior art keywords
- battery case
- electrode plate
- lead
- plate group
- battery
- 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.)
- Granted
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- 238000007789 sealing Methods 0.000 claims abstract description 62
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 239000003792 electrolyte Substances 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000004080 punching Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000008151 electrolyte solution Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 239000011162 core material Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 nickel metal hydride Chemical class 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910052987 metal hydride Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 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
- 239000011889 copper foil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000126 substance Substances 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
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- 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
- 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
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- 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
- H01M50/552—Terminals characterised by their shape
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
- H01M50/56—Cup shaped terminals
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
【解決手段】 電池ケース2内に極板群3と電解液が収容され、電池ケース2の一端開口が、電池ケース2内が所定以上の圧力になったとき圧力を外部に排出する安全機構17を内蔵した組立封口板11で封口された二次電池1において、組立封口板11の電池ケース2内に臨む通気孔13a、13b、13cの内、少なくとも一部13aを切り起こし片23の形成による開口部にて構成するとともに、切り起こし片23の先端を極板群3の一端に接して配設された絶縁板4aに当接させ、極板群3の移動を拘束するようにした。
【選択図】 図1
Description
2 電池ケース
2a 底面
3 極板群
4a 上部絶縁板
4b 下部絶縁板
7 正極リード
8a、8b 負極リード
11 組立封口板
12 フィルタ
13a、13b、13c 通気孔
15 キャップ
16 排気孔
17 安全弁機構
23 切り起こし片
24 補強凹部
24a 補強突部
25 接続突部
27 折り返し部
28 溶接部
29 凹部
Claims (8)
- 電池ケース内に極板群と電解液が収容され、電池ケースの一端開口が、電池ケース内が所定以上の圧力になったとき圧力を外部に排出する安全機構を内蔵した組立封口板で封口された二次電池において、組立封口板の電池ケース内に臨む通気孔の少なくとも一部を切り起こし片の形成による開口部にて構成するとともに、切り起こし片の先端を極板群の一端に接して配設された絶縁板に当接させたことを特徴とする二次電池。
- 電池ケース内に極板群と電解液が収容され、電池ケースの一端開口が、電池ケースに対して絶縁された組立封口板で封口され、極板群の一端から延出された一方の極性のリードが組立封口板に接続され、極板群の他端から延出された他方の極性のリードが電池ケースに接続された二次電池において、他方の極性にあるリードの少なくとも一部は、電池ケースの内底面に沿って延出するとともにその中間部に折り返し部を設けて先端部を電池ケースの底面に接続したことを特徴とする二次電池。
- 電池ケース内に極板群と電解液が収容され、電池ケースの一端開口が、電池ケース内が所定以上の圧力になったとき圧力を外部に排出する安全機構を内蔵し、かつ電池ケースに対して絶縁された組立封口板で封口され、極板群の一端から延出された一方の極性のリードが組立封口板に接続され、極板群の他端から延出された他方の極性のリードが電池ケースに接続された二次電池において、組立封口板の電池ケース内に臨む通気孔の少なくとも一部を切り起こし片の形成による開口部にて構成するとともに、切り起こし片の先端を極板群の一端に接して配設された絶縁板に当接させ、かつ他方の極性にあるリードの内、極板群の中心部近傍から延出されたリードは電池ケースの内底面に沿って径方向外方に延出させた後折り返し、極板群の中心部でリード先端部を電池ケースの底面に接続したことを特徴とする二次電池。
- 切り起こし片にて形成される通気孔を組立封口板の直径方向に対向する両側部に配設し、それらの間の空間に一方の極性のリードを配置し、このリード配設空間の通気孔は打ち抜き形成されたことを特徴とする請求項1又は3に記載の二次電池。
- 組立封口板の通気孔を形成している壁面における通気孔の開口縁部若しくは通気孔間に、面剛性を高める凹部又は突部をプレス成形したことを特徴とする請求項4記載の二次電池。
- 他方の極性のリードは、極板群の中心部近傍と外周縁部近傍とから延出され、中心部近傍から延出されたリードは電池ケースの内底面に沿って径方向外方に延出させた後折り返し、外周縁部近傍から延出されたリードは電池ケースの内底面に沿って径方向内方に延出し、極板群の中心部でこれらリード先端部を電池ケースの底面に接続したことを特徴とする請求項2又は3に記載の二次電池。
- 極板群の他端と電池ケース内底面との間に介装した絶縁板に、リードの折り返し部に対向して凹部を設けたことを特徴とする請求項2、3又は6記載の二次電池。
- 組立封口板の外面を形成するキャップの中央部に、平面形状が四角形以上の多角形状の接続突部を突出成形するとともに、多角形の各辺を形成する立ち上がり側壁に排気孔を形成したことを特徴とする請求項1〜7の何れかに記載の二次電池。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005124629A JP4961113B2 (ja) | 2005-04-22 | 2005-04-22 | 二次電池 |
CN2006800134673A CN101164182B (zh) | 2005-04-22 | 2006-03-07 | 二次电池 |
EP06728679A EP1876660B1 (en) | 2005-04-22 | 2006-03-07 | Secondary battery |
KR1020077019400A KR101268332B1 (ko) | 2005-04-22 | 2006-03-07 | 내 충격성 및 내 진동성에 우수한 2차 전지 |
US11/918,984 US7704631B2 (en) | 2005-04-22 | 2006-03-07 | Secondary battery with improved shock resistance |
PCT/JP2006/304310 WO2006114940A1 (ja) | 2005-04-22 | 2006-03-07 | 二次電池 |
DE602006019574T DE602006019574D1 (de) | 2005-04-22 | 2006-03-07 | Sekundärbatterie |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005124629A JP4961113B2 (ja) | 2005-04-22 | 2005-04-22 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006302734A true JP2006302734A (ja) | 2006-11-02 |
JP4961113B2 JP4961113B2 (ja) | 2012-06-27 |
Family
ID=37214571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005124629A Expired - Fee Related JP4961113B2 (ja) | 2005-04-22 | 2005-04-22 | 二次電池 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7704631B2 (ja) |
EP (1) | EP1876660B1 (ja) |
JP (1) | JP4961113B2 (ja) |
KR (1) | KR101268332B1 (ja) |
CN (1) | CN101164182B (ja) |
DE (1) | DE602006019574D1 (ja) |
WO (1) | WO2006114940A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008192414A (ja) * | 2007-02-02 | 2008-08-21 | Nec Tokin Corp | 密閉型電池 |
WO2018110064A1 (ja) * | 2016-12-16 | 2018-06-21 | 株式会社村田製作所 | 二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
WO2018180828A1 (ja) * | 2017-03-29 | 2018-10-04 | 三洋電機株式会社 | 円筒形電池 |
JPWO2019054312A1 (ja) * | 2017-09-15 | 2020-10-15 | 三洋電機株式会社 | 円筒形非水電解質二次電池 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100859948B1 (ko) | 2007-01-25 | 2008-09-23 | 삼성에스디아이 주식회사 | 단위 전지간 직렬 인터페이스 |
JP5514578B2 (ja) * | 2009-02-24 | 2014-06-04 | 矢崎総業株式会社 | 組電池冷却構造 |
JP2010232089A (ja) * | 2009-03-27 | 2010-10-14 | Sanyo Electric Co Ltd | 密閉型電池 |
CN102034939A (zh) * | 2009-09-28 | 2011-04-27 | 深圳市比克电池有限公司 | 一种电池帽盖组件及电池 |
US20110086252A1 (en) * | 2009-10-13 | 2011-04-14 | Powergenix Systems, Inc. | Cylindrical nickel-zinc cell with positive can |
CN102214806B (zh) * | 2010-04-12 | 2014-08-20 | 三星Sdi株式会社 | 电池单元 |
US20110250488A1 (en) * | 2010-04-12 | 2011-10-13 | Sin-Young Park | Secondary battery |
KR101073010B1 (ko) * | 2010-04-19 | 2011-10-12 | 삼성에스디아이 주식회사 | 이차 전지 |
CN104285318B (zh) | 2012-04-12 | 2017-04-19 | 株式会社丰田自动织机 | 电流切断装置以及使用电流切断装置的蓄电装置 |
DE112013003852T5 (de) * | 2012-08-03 | 2015-04-23 | Kabushiki Kaisha Toyota Jidoshokki | Elektrische Speichervorrichtung |
CN104993080B (zh) * | 2015-06-03 | 2017-03-29 | 宁波超霸能源有限公司 | 一种锂电池封口体 |
CN107123774B (zh) * | 2016-02-25 | 2019-10-11 | 比亚迪股份有限公司 | 单体电池、电池模组、动力电池及电动汽车 |
KR102217442B1 (ko) * | 2016-09-09 | 2021-02-22 | 주식회사 엘지화학 | 이차전지용 캡 조립체 |
US12009486B2 (en) * | 2017-11-06 | 2024-06-11 | Eve Energy Co., Ltd. | Safe and high-energy USB rechargeable battery |
US11431046B2 (en) * | 2018-08-21 | 2022-08-30 | Nio Technology (Anhui) Co., Ltd. | Lithium-ion cell using aluminum can |
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JPH08153511A (ja) * | 1994-11-29 | 1996-06-11 | Matsushita Electric Ind Co Ltd | 円筒形電池及びその製造方法 |
JPH09274934A (ja) * | 1996-04-08 | 1997-10-21 | Toray Ind Inc | 非水電解液系二次電池 |
JPH09274900A (ja) * | 1996-04-08 | 1997-10-21 | Fuji Photo Film Co Ltd | 密閉型非水二次電池 |
JPH117932A (ja) * | 1997-06-18 | 1999-01-12 | Hitachi Ltd | 二次電池 |
JPH11260347A (ja) * | 1998-03-16 | 1999-09-24 | Mitsubishi Cable Ind Ltd | 密閉型電池の短絡防止構造 |
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-
2005
- 2005-04-22 JP JP2005124629A patent/JP4961113B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-07 EP EP06728679A patent/EP1876660B1/en not_active Expired - Fee Related
- 2006-03-07 DE DE602006019574T patent/DE602006019574D1/de active Active
- 2006-03-07 US US11/918,984 patent/US7704631B2/en not_active Expired - Fee Related
- 2006-03-07 KR KR1020077019400A patent/KR101268332B1/ko not_active IP Right Cessation
- 2006-03-07 CN CN2006800134673A patent/CN101164182B/zh not_active Expired - Fee Related
- 2006-03-07 WO PCT/JP2006/304310 patent/WO2006114940A1/ja active Application Filing
Patent Citations (7)
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JPH08153511A (ja) * | 1994-11-29 | 1996-06-11 | Matsushita Electric Ind Co Ltd | 円筒形電池及びその製造方法 |
JPH09274934A (ja) * | 1996-04-08 | 1997-10-21 | Toray Ind Inc | 非水電解液系二次電池 |
JPH09274900A (ja) * | 1996-04-08 | 1997-10-21 | Fuji Photo Film Co Ltd | 密閉型非水二次電池 |
JPH117932A (ja) * | 1997-06-18 | 1999-01-12 | Hitachi Ltd | 二次電池 |
JPH11260347A (ja) * | 1998-03-16 | 1999-09-24 | Mitsubishi Cable Ind Ltd | 密閉型電池の短絡防止構造 |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008192414A (ja) * | 2007-02-02 | 2008-08-21 | Nec Tokin Corp | 密閉型電池 |
WO2018110064A1 (ja) * | 2016-12-16 | 2018-06-21 | 株式会社村田製作所 | 二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
JPWO2018110064A1 (ja) * | 2016-12-16 | 2019-06-24 | 株式会社村田製作所 | 二次電池、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
US11581568B2 (en) | 2016-12-16 | 2023-02-14 | Murata Manufacturing Co., Ltd. | Secondary battery, battery pack, electric vehicle, power storage system, power tool, and electronic device |
WO2018180828A1 (ja) * | 2017-03-29 | 2018-10-04 | 三洋電機株式会社 | 円筒形電池 |
JPWO2018180828A1 (ja) * | 2017-03-29 | 2020-05-14 | 三洋電機株式会社 | 円筒形電池 |
US11011806B2 (en) | 2017-03-29 | 2021-05-18 | Sanyo Electric Co., Ltd. | Cylindrical battery |
JP7006683B2 (ja) | 2017-03-29 | 2022-01-24 | 三洋電機株式会社 | 円筒形電池 |
JPWO2019054312A1 (ja) * | 2017-09-15 | 2020-10-15 | 三洋電機株式会社 | 円筒形非水電解質二次電池 |
JP7171585B2 (ja) | 2017-09-15 | 2022-11-15 | 三洋電機株式会社 | 円筒形非水電解質二次電池 |
Also Published As
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EP1876660B1 (en) | 2011-01-12 |
KR101268332B1 (ko) | 2013-05-28 |
US7704631B2 (en) | 2010-04-27 |
JP4961113B2 (ja) | 2012-06-27 |
CN101164182A (zh) | 2008-04-16 |
WO2006114940A1 (ja) | 2006-11-02 |
DE602006019574D1 (de) | 2011-02-24 |
CN101164182B (zh) | 2010-04-21 |
US20090081530A1 (en) | 2009-03-26 |
EP1876660A1 (en) | 2008-01-09 |
KR20080003779A (ko) | 2008-01-08 |
EP1876660A4 (en) | 2009-03-04 |
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