JPWO2014118873A1 - 電池 - Google Patents
電池 Download PDFInfo
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- JPWO2014118873A1 JPWO2014118873A1 JP2014559372A JP2014559372A JPWO2014118873A1 JP WO2014118873 A1 JPWO2014118873 A1 JP WO2014118873A1 JP 2014559372 A JP2014559372 A JP 2014559372A JP 2014559372 A JP2014559372 A JP 2014559372A JP WO2014118873 A1 JPWO2014118873 A1 JP WO2014118873A1
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- positive electrode
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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
- H01M10/05—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
-
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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 of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
-
- 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 of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular 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
- H01M50/50—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
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
Description
次いで、実施形態に係る電池10の効果を検証するために行った試験の結果について説明する。実施例3として、実施形態に係る電池10を用意した。この電池10では、前述のように、正極接続部30cjから電極体30の電極体幅方向GHの一方側GAの端30ftまでの距離HaがHa=23mm、他方側GBの端30gtまでの距離HbがHb=14mmであり、Ha=1.64Hb(Ha/Hb=1.64)である。また、正極最内周湾曲部31rを含む一方側湾曲端部30fが電池ケース20の底部20w側に位置する(他方側湾曲端部30gが電池ケース20の蓋部材23側に位置する)形態で、電極体30が電池ケース20内に収容されている。なお、表中には、「一方側湾曲端部の位置」の欄に「底部側」と表記した。
20 電池ケース
23 蓋部材(端子固定壁部)
30 電極体
30c 正極突出捲回部、30cj 正極接続部
30d 負極突出捲回部
30e 本体部
30f 一方側湾曲端部、30ft(一方側湾曲端部の)端
30g 他方側湾曲端部、30gt(他方側湾曲端部の)端
30h 中央部
31 正極板
31c(正極板の片側の)端縁部、31ck(端縁部の)重なり部
31r 正極最内周湾曲部
41 負極板
41c(負極板の片側の)端縁部
41r 負極対向部
51 セパレータ
51r セパレータ対向部
60 正極端子部材
70 負極端子部材
61,71 第1端子部材
61j,71j(第1端子部材の)端子接続部
AX 軸線(捲回軸)
EH 軸線方向、EC(軸線方向の)一方側、ED(軸線方向の)他方側
FH 電極体厚み方向
GH 電極体幅方向
GA (電極体幅方向の)一方側
GB (電極体幅方向の)他方側
JH (セパレータの)幅方向
KH (セパレータの)長手方向
LH (正極板の)幅方向
LA (正極板の幅方向の)片側
Ha (正極接続部から電極体幅方向の一方側の端までの)距離
Hb (正極接続部から電極体幅方向の他方側の端までの)距離
Hc (正極接続部の電極体幅方向の)寸法
Hd (電極体の電極体幅方向の)寸法
He (中央部の電極体幅方向の)寸法
Hf (一方側湾曲端部及び他方側湾曲端部の電極体幅方向の)寸法
Wa (電極体の)厚み
Claims (6)
- 帯状の正極板とこの正極板よりも熱伝導性が高く帯状の負極板とを帯状で多孔質樹脂からなるセパレータを介して互いに重ねて軸線回りに扁平状に捲回した電極体であって、前記正極板の幅方向片側の端縁部が前記セパレータから軸線方向の一方側に向けて扁平渦巻き状に突出する正極突出捲回部を有する電極体と、
前記電極体の前記正極突出捲回部に端子接続部で接続する正極端子部材と、を備える電池であって、
扁平な前記電極体は、
前記軸線方向及び電極体厚み方向に直交する電極体幅方向の一方側に位置し、前記正極板、前記負極板及び前記セパレータが半円筒状に曲げられて互いに重なる一方側湾曲端部と、
前記電極体幅方向の他方側に位置し、前記正極板、前記負極板及び前記セパレータが半円筒状に曲げられて互いに重なる他方側湾曲端部と、を有し、
前記正極板のうち最も小さな曲率半径で曲げられた正極最内周湾曲部は、前記一方側湾曲端部内に配置されてなり、
前記正極突出捲回部のうち前記端子接続部に接続する正極接続部から前記電極体の前記一方側湾曲端部のうち前記電極体幅方向の一方側の端までの前記電極体幅方向の寸法を距離Haとし、前記正極接続部から前記電極体の前記他方側湾曲端部のうち前記電極体幅方向の他方側の端までの前記電極体幅方向の寸法を距離Hbとしたとき、
前記距離Ha及び前記距離Hbが、Ha≧1.1Hbを満たす位置で、前記正極接続部に前記端子接続部を接続してなる
電池。 - 請求項1に記載の電池であって、
前記電極体を収容すると共に、自身の端子固定壁部に前記正極端子部材を固定して外部に延出させる電池ケースを備え、
前記電極体は、前記電極体幅方向が前記端子固定壁部と直交し、かつ、前記他方側湾曲端部が前記一方側湾曲端部よりも前記端子固定壁部側となる形態で、前記電池ケース内に収容されてなる
電池。 - 請求項1または請求項2に記載の電池であって、
前記距離Ha及び前記距離Hbは、Ha≦2.5Hbを満たす
電池。 - 請求項3に記載の電池であって、
前記電極体のうち前記一方側湾曲端部と前記他方側湾曲端部との間に位置する中央部の前記電極体幅方向の寸法を寸法Heとし、
前記正極接続部の前記電極体幅方向の寸法を寸法Hcとしたとき、
前記寸法Hcは、Hc≦0.5Heを満たす大きさとされてなる
電池。 - 請求項3または請求項4に記載の電池であって、
前記電極体の厚みを厚みWaとしたとき、
前記距離Ha及び前記距離Hbは、Ha≧Wa、かつ、Hb≧Waを満たす
電池。 - 請求項1〜請求項5のいずれか一項に記載の電池であって、
前記正極突出捲回部の前記正極接続部は、扁平渦巻き状の前記正極突出捲回部をなす前記端縁部のうち、前記電極体厚み方向に見て、前記正極端子部材の前記端子接続部に重なる重なり部のすべてからなり、
このすべての重なり部が束ねられて前記端子接続部に溶接されてなる
電池。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/051824 WO2014118873A1 (ja) | 2013-01-29 | 2013-01-29 | 電池 |
Publications (2)
Publication Number | Publication Date |
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JPWO2014118873A1 true JPWO2014118873A1 (ja) | 2017-01-26 |
JP6199908B2 JP6199908B2 (ja) | 2017-09-20 |
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JP2014559372A Active JP6199908B2 (ja) | 2013-01-29 | 2013-01-29 | 電池 |
Country Status (6)
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US (1) | US9991499B2 (ja) |
EP (1) | EP2953200B1 (ja) |
JP (1) | JP6199908B2 (ja) |
KR (1) | KR101748508B1 (ja) |
CN (1) | CN104956535B (ja) |
WO (1) | WO2014118873A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102014222261A1 (de) * | 2014-10-31 | 2016-05-04 | Bayerische Motoren Werke Aktiengesellschaft | Stromsammler für eine elektrochemische Energiespeichervorrichtung |
JP6550848B2 (ja) * | 2015-03-30 | 2019-07-31 | 三洋電機株式会社 | 角形二次電池 |
CN107293806B (zh) | 2016-03-31 | 2023-07-18 | 宁德新能源科技有限公司 | 卷绕式电芯 |
EP3855547B1 (en) * | 2018-09-21 | 2022-06-01 | Kabushiki Kaisha Toshiba | Battery and battery pack |
JP7236035B2 (ja) * | 2019-12-04 | 2023-03-09 | トヨタ自動車株式会社 | 二次電池およびその製造方法 |
JP7417840B2 (ja) * | 2020-01-15 | 2024-01-19 | トヨタ自動車株式会社 | 二次電池 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008251256A (ja) * | 2007-03-29 | 2008-10-16 | Toshiba Corp | 非水電解質電池、電池パック及び自動車 |
JP2010129450A (ja) * | 2008-11-28 | 2010-06-10 | Toyota Motor Corp | 電池、及び、電池の製造方法 |
JP2011165515A (ja) * | 2010-02-10 | 2011-08-25 | Sanyo Electric Co Ltd | 角形密閉二次電池及び角形密閉二次電池の製造方法 |
JP2011171286A (ja) * | 2010-02-18 | 2011-09-01 | Sb Limotive Co Ltd | 二次電池及び電池モジュール |
JP2012174490A (ja) * | 2011-02-22 | 2012-09-10 | Toshiba Corp | 二次電池 |
JP2012227110A (ja) * | 2010-06-21 | 2012-11-15 | Toshiba Corp | 電池 |
JP2012248427A (ja) * | 2011-05-27 | 2012-12-13 | Gs Yuasa Corp | 電池 |
Family Cites Families (7)
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JP3551365B2 (ja) * | 2000-06-20 | 2004-08-04 | 株式会社デンソー | 扁平形状巻回型電極電池 |
JP4986441B2 (ja) | 2005-11-24 | 2012-07-25 | 三洋電機株式会社 | 角形電池 |
JP5408691B2 (ja) | 2008-08-22 | 2014-02-05 | Necエナジーデバイス株式会社 | 密閉型二次電池 |
KR101328354B1 (ko) | 2010-03-26 | 2013-11-11 | 도요타지도샤가부시키가이샤 | 리튬 이온 2차 전지, 차량 및 전지 탑재 기기 |
CN102356496B (zh) * | 2010-05-21 | 2014-07-23 | 丰田自动车株式会社 | 二次电池 |
US8436461B2 (en) * | 2010-05-21 | 2013-05-07 | Toyota Jidosha Kabushiki Kaisha | Semiconductor device |
JP5664608B2 (ja) | 2012-08-06 | 2015-02-04 | トヨタ自動車株式会社 | 電池 |
-
2013
- 2013-01-29 US US14/762,640 patent/US9991499B2/en active Active
- 2013-01-29 EP EP13873469.4A patent/EP2953200B1/en active Active
- 2013-01-29 KR KR1020157020196A patent/KR101748508B1/ko active IP Right Grant
- 2013-01-29 CN CN201380071371.2A patent/CN104956535B/zh active Active
- 2013-01-29 WO PCT/JP2013/051824 patent/WO2014118873A1/ja active Application Filing
- 2013-01-29 JP JP2014559372A patent/JP6199908B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008251256A (ja) * | 2007-03-29 | 2008-10-16 | Toshiba Corp | 非水電解質電池、電池パック及び自動車 |
JP2010129450A (ja) * | 2008-11-28 | 2010-06-10 | Toyota Motor Corp | 電池、及び、電池の製造方法 |
JP2011165515A (ja) * | 2010-02-10 | 2011-08-25 | Sanyo Electric Co Ltd | 角形密閉二次電池及び角形密閉二次電池の製造方法 |
JP2011171286A (ja) * | 2010-02-18 | 2011-09-01 | Sb Limotive Co Ltd | 二次電池及び電池モジュール |
JP2012227110A (ja) * | 2010-06-21 | 2012-11-15 | Toshiba Corp | 電池 |
JP2012174490A (ja) * | 2011-02-22 | 2012-09-10 | Toshiba Corp | 二次電池 |
JP2012248427A (ja) * | 2011-05-27 | 2012-12-13 | Gs Yuasa Corp | 電池 |
Also Published As
Publication number | Publication date |
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US20150325832A1 (en) | 2015-11-12 |
KR20150103114A (ko) | 2015-09-09 |
EP2953200A1 (en) | 2015-12-09 |
JP6199908B2 (ja) | 2017-09-20 |
CN104956535A (zh) | 2015-09-30 |
CN104956535B (zh) | 2018-02-23 |
WO2014118873A1 (ja) | 2014-08-07 |
EP2953200A4 (en) | 2015-12-30 |
US9991499B2 (en) | 2018-06-05 |
EP2953200B1 (en) | 2018-08-22 |
KR101748508B1 (ko) | 2017-06-16 |
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