JP2018081792A - 蓄電素子 - Google Patents
蓄電素子 Download PDFInfo
- Publication number
- JP2018081792A JP2018081792A JP2016222480A JP2016222480A JP2018081792A JP 2018081792 A JP2018081792 A JP 2018081792A JP 2016222480 A JP2016222480 A JP 2016222480A JP 2016222480 A JP2016222480 A JP 2016222480A JP 2018081792 A JP2018081792 A JP 2018081792A
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- 230000002093 peripheral effect Effects 0.000 claims description 29
- 238000004804 winding Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 abstract 2
- 230000036760 body temperature Effects 0.000 abstract 1
- 239000002918 waste heat Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 20
- 239000002184 metal Substances 0.000 description 20
- 239000011888 foil Substances 0.000 description 13
- 230000005611 electricity Effects 0.000 description 7
- 239000008151 electrolyte solution Substances 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 239000007773 negative electrode material Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- 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
- Y02E60/13—Energy storage using capacitors
-
- 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
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- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
ケースと、
前記ケースに収容される電極体であって、電極、該電極が外側に巻回されている被巻回部、及び前記被巻回部と前記ケースとを熱伝導可能に接続する伝熱部を有する電極体と、を備え、
前記被巻回部の熱伝導率は、前記伝熱部の熱伝導率より大きい。
前記被巻回部は、筒状の部位であり、
前記被巻回部の外周部は、前記巻回されている電極によって構成される積層体の巻回中心部と巻回中心軸方向の全域において接し、
前記伝熱部は、前記筒状の被巻回部に挿通された状態で該被巻回部の内周部と巻回中心軸方向の全域において接してもよい。
前記伝熱部の熱伝導率は、0.6W/m・K以上且つ30W/m・K以下でもよい。
Claims (3)
- ケースと、
前記ケースに収容される電極体であって、電極、該電極が外側に巻回されている被巻回部、及び前記被巻回部と前記ケースとを熱伝導可能に接続する伝熱部を有する電極体と、を備え、
前記被巻回部の熱伝導率は、前記伝熱部の熱伝導率より大きい、蓄電素子。 - 前記被巻回部は、筒状の部位であり、
前記被巻回部の外周部は、前記巻回されている電極によって構成される積層体の巻回中心部と巻回中心軸方向の全域において接し、
前記伝熱部は、前記筒状の被巻回部に挿通された状態で該被巻回部の内周部と巻回中心軸方向の全域において接している、請求項1に記載の蓄電素子。 - 前記伝熱部の熱伝導率は、0.6W/m・K以上且つ30W/m・K以下である、請求項1又は2に記載の蓄電素子。
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JP2016222480A JP6827646B2 (ja) | 2016-11-15 | 2016-11-15 | 蓄電素子 |
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JP2016222480A JP6827646B2 (ja) | 2016-11-15 | 2016-11-15 | 蓄電素子 |
Publications (2)
Publication Number | Publication Date |
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JP2018081792A true JP2018081792A (ja) | 2018-05-24 |
JP6827646B2 JP6827646B2 (ja) | 2021-02-10 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021014704A1 (ja) * | 2019-07-22 | 2021-01-28 | パナソニック株式会社 | 角形二次電池 |
WO2023097433A1 (zh) * | 2021-11-30 | 2023-06-08 | 宁德时代新能源科技股份有限公司 | 负极极片、二次电池、电池模块、电池包和用电装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013105523A (ja) * | 2011-11-10 | 2013-05-30 | Toyota Motor Corp | 電池 |
JP2016110716A (ja) * | 2014-12-02 | 2016-06-20 | 株式会社日本自動車部品総合研究所 | 二次電池 |
-
2016
- 2016-11-15 JP JP2016222480A patent/JP6827646B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013105523A (ja) * | 2011-11-10 | 2013-05-30 | Toyota Motor Corp | 電池 |
JP2016110716A (ja) * | 2014-12-02 | 2016-06-20 | 株式会社日本自動車部品総合研究所 | 二次電池 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021014704A1 (ja) * | 2019-07-22 | 2021-01-28 | パナソニック株式会社 | 角形二次電池 |
WO2023097433A1 (zh) * | 2021-11-30 | 2023-06-08 | 宁德时代新能源科技股份有限公司 | 负极极片、二次电池、电池模块、电池包和用电装置 |
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