JP5409338B2 - 捲回式角形電池 - Google Patents
捲回式角形電池 Download PDFInfo
- Publication number
- JP5409338B2 JP5409338B2 JP2009294005A JP2009294005A JP5409338B2 JP 5409338 B2 JP5409338 B2 JP 5409338B2 JP 2009294005 A JP2009294005 A JP 2009294005A JP 2009294005 A JP2009294005 A JP 2009294005A JP 5409338 B2 JP5409338 B2 JP 5409338B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- core material
- negative electrode
- current collector
- wound
- 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
- 238000004804 winding Methods 0.000 title claims description 15
- 239000011162 core material Substances 0.000 claims description 81
- 239000007788 liquid Substances 0.000 claims description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000011267 electrode slurry Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910002992 LiNi0.33Mn0.33Co0.33O2 Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
充電:1時間率、4.2V定電流定電圧充電、1.5h終止
放電:1時間率、定電流放電、3.0V終止
(内部抵抗の計測条件)
SOC調整:1時間率、3.7V定電流定電圧充電、1h終止
抵抗計測:1時間率、1/3時間率、1/5時間率、1/10時間率
上記の条件においてそれぞれ11秒間放電し、放電電流値に対して電圧をプロットし、その傾きを内部抵抗値とした。
Claims (5)
- 平板状の芯材に、正極とセパレータと負極とを積層して捲回した扁平形状の電極群を内蔵する捲回式角形電池であって、前記芯材は、互いに捲回軸方向に相対的に滑動可能に斜めに分割されていることを特徴とする捲回式角形電池。
- 斜めに分割されている二枚の前記芯材はそれぞれ、凸部と凹部とを有し、これらの凸部と凹部とを嵌め合わせた嵌合部を有することを特徴とする請求項1記載の捲回式角形電池。
- 前記正極は、正極リード片及び正極集電板を介して正極外部端子に接続され、前記負極は、負極リード片及び負極集電板を介して負極外部端子に接続され、前記正極集電板及び前記負極集電板は、貫通孔を有し、前記芯材は、前記貫通孔に進入可能であることを特徴とする請求項1又は2に記載の捲回式角形電池。
- 前記嵌合部は、液の浸入を可能とする隙間を有することを特徴とする請求項2記載の捲回式角形電池。
- 請求項1〜4のいずれか一項に記載の捲回式角形電池を用いたことを特徴とする電池モジュール。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009294005A JP5409338B2 (ja) | 2009-12-25 | 2009-12-25 | 捲回式角形電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009294005A JP5409338B2 (ja) | 2009-12-25 | 2009-12-25 | 捲回式角形電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011134634A JP2011134634A (ja) | 2011-07-07 |
JP5409338B2 true JP5409338B2 (ja) | 2014-02-05 |
Family
ID=44347131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009294005A Expired - Fee Related JP5409338B2 (ja) | 2009-12-25 | 2009-12-25 | 捲回式角形電池 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5409338B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014214716A1 (de) * | 2014-07-25 | 2016-01-28 | Robert Bosch Gmbh | Verfahren zur Herstellung einer prismatischen Batteriezelle |
KR101851429B1 (ko) * | 2015-02-13 | 2018-04-23 | 주식회사 엘지화학 | 이차전지 |
JP7189027B2 (ja) * | 2019-01-07 | 2022-12-13 | 株式会社Soken | 二次電池 |
WO2022163616A1 (ja) * | 2021-01-29 | 2022-08-04 | 株式会社Gsユアサ | 蓄電素子及び蓄電装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3467496B2 (ja) * | 1995-07-05 | 2003-11-17 | 株式会社皆藤製作所 | 偏平型巻心 |
JP2002042854A (ja) * | 2000-07-24 | 2002-02-08 | Japan Storage Battery Co Ltd | 電 池 |
JP4972824B2 (ja) * | 2001-03-21 | 2012-07-11 | 新神戸電機株式会社 | 扁平捲回群製造方法及び捲回装置 |
JP4600926B2 (ja) * | 2005-04-04 | 2010-12-22 | 日立マクセル株式会社 | 巻回芯およびその巻回芯を用いた電極体の製造方法 |
JP2008047304A (ja) * | 2006-08-10 | 2008-02-28 | Mitsui Mining & Smelting Co Ltd | 非水電解液二次電池 |
-
2009
- 2009-12-25 JP JP2009294005A patent/JP5409338B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2011134634A (ja) | 2011-07-07 |
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