JPWO2017138583A1 - 蓄電素子及び蓄電素子の製造方法 - Google Patents
蓄電素子及び蓄電素子の製造方法 Download PDFInfo
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- 238000003860 storage Methods 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 11
- 230000005611 electricity Effects 0.000 claims description 16
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- 239000000463 material Substances 0.000 description 15
- 238000004804 winding Methods 0.000 description 14
- 239000011149 active material Substances 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- 239000011255 nonaqueous electrolyte Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- -1 LiMnPO 4 Inorganic materials 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000447 polyanionic polymer Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 229920003026 Acene Polymers 0.000 description 1
- 229910018087 Al-Cd Inorganic materials 0.000 description 1
- 229910018188 Al—Cd Inorganic materials 0.000 description 1
- 229910018871 CoO 2 Inorganic materials 0.000 description 1
- 229920008712 Copo Polymers 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910011281 LiCoPO 4 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910013086 LiNiPO Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910021469 graphitizable carbon Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JWZCKIBZGMIRSW-UHFFFAOYSA-N lead lithium Chemical compound [Li].[Pb] JWZCKIBZGMIRSW-UHFFFAOYSA-N 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 1
- UIDWHMKSOZZDAV-UHFFFAOYSA-N lithium tin Chemical compound [Li].[Sn] UIDWHMKSOZZDAV-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
-
- 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
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
まず、蓄電素子10の構成について、説明する。
100 容器
110 蓋体
110a、110b 貫通孔
111 容器本体
200 正極端子
210、310 軸部
300 負極端子
410、420 電極体
411、421 正極集束部(第一部)
411a 第一端部
411b 先端部
411c 幅狭部(第二部)
411d 接合部(第三部)
411e 第二端部
411f 最内周湾曲部
412、422 負極集束部(第一部)
500 正極集電体
510 端子接続部(繋ぎ部)
511、611 開口部
520、530、540、550 電極接続部(脚部)
600 負極集電体
Claims (9)
- 巻回型の電極体と、
前記電極体に接続される集電体とを備え、
前記集電体は、端子接続部と、前記端子接続部から第一方向に延びかつ前記第一方向と直交する第二方向に並ぶ一対の脚部を有し、
前記電極体は、前記一対の脚部の間に配置される第一部を有し、
前記第一部は、前記第一方向において、前記端子接続部に対向する先端部と、前記先端部よりも前記第二方向の幅が狭い第二部とを有する
蓄電素子。 - 前記第二部は、前記第二方向における側面が曲面で形成されている
請求項1に記載の蓄電素子。 - 前記第二部は、前記第二方向における両側の側面が凹んだ形状を有する
請求項1または2に記載の蓄電素子。 - 前記一対の脚部の間の距離は、前記電極体の前記第二方向の最大幅よりも狭い
請求項1〜3のいずれか1項に記載の蓄電素子。 - 前記集電体は、さらに、前記一対の脚部を繋ぐ繋ぎ部を有し、
前記一対の脚部は、前記一対の脚部の間の空間が前記繋ぎ部側の方が狭くなるように配置されており、
前記第二部は、前記第一部の前記繋ぎ部側の端部に形成されている
請求項1〜4のいずれか1項に記載の蓄電素子。 - 前記第一部は、前記先端部とで前記第二部を挟む位置に、前記第二部よりも前記第二方向の幅が広い第三部を有する
請求項1〜5のいずれか1項に記載の蓄電素子。 - 前記第三部は、前記一対の脚部と接合される接合部である
請求項6に記載の蓄電素子。 - 前記第二部は、前記第二方向から見て、前記電極体の最内周の湾曲部分と重なる位置に配置される
請求項1〜7のいずれか1項に記載の蓄電素子。 - 電極体と、前記電極体に接続され、第一方向に延びかつ第二方向に並ぶ一対の脚部を有する集電体とを備える蓄電素子の製造方法であって、
前記電極体の端部を有する第一部を前記第二方向に押圧して、前記端部に、前記第一方向において、前記第一部の先端部よりも前記第二方向の幅が狭い第二部を形成する第二部形成工程と、
前記第一部を前記一対の脚部の間に配置する第一部配置工程と、
前記第一部と前記一対の脚部とを接合する接合工程と
を含む蓄電素子の製造方法。
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JP2016024181 | 2016-02-10 | ||
JP2016024181 | 2016-02-10 | ||
PCT/JP2017/004645 WO2017138583A1 (ja) | 2016-02-10 | 2017-02-08 | 蓄電素子及び蓄電素子の製造方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014139892A (ja) * | 2013-01-21 | 2014-07-31 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
JP2014216076A (ja) * | 2013-04-23 | 2014-11-17 | トヨタ自動車株式会社 | 二次電池および二次電池の製造方法 |
JP2015135733A (ja) * | 2014-01-16 | 2015-07-27 | トヨタ自動車株式会社 | 蓄電池及びその製造方法 |
JP2015156366A (ja) * | 2014-01-17 | 2015-08-27 | 株式会社Gsユアサ | 蓄電素子 |
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- 2017-02-08 JP JP2017566988A patent/JP6874695B2/ja active Active
- 2017-02-08 WO PCT/JP2017/004645 patent/WO2017138583A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014139892A (ja) * | 2013-01-21 | 2014-07-31 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
JP2014216076A (ja) * | 2013-04-23 | 2014-11-17 | トヨタ自動車株式会社 | 二次電池および二次電池の製造方法 |
JP2015135733A (ja) * | 2014-01-16 | 2015-07-27 | トヨタ自動車株式会社 | 蓄電池及びその製造方法 |
JP2015156366A (ja) * | 2014-01-17 | 2015-08-27 | 株式会社Gsユアサ | 蓄電素子 |
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WO2017138583A1 (ja) | 2017-08-17 |
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