JP6806142B2 - 蓄電素子 - Google Patents
蓄電素子 Download PDFInfo
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- JP6806142B2 JP6806142B2 JP2018509030A JP2018509030A JP6806142B2 JP 6806142 B2 JP6806142 B2 JP 6806142B2 JP 2018509030 A JP2018509030 A JP 2018509030A JP 2018509030 A JP2018509030 A JP 2018509030A JP 6806142 B2 JP6806142 B2 JP 6806142B2
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- positive electrode
- current collector
- electrode terminal
- lid
- container
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- 238000003860 storage Methods 0.000 title claims description 64
- 239000000463 material Substances 0.000 description 22
- 239000011347 resin Substances 0.000 description 18
- 229920005989 resin Polymers 0.000 description 18
- 230000004048 modification Effects 0.000 description 15
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- 238000004804 winding Methods 0.000 description 14
- 238000003466 welding Methods 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 230000005611 electricity Effects 0.000 description 8
- 238000010030 laminating Methods 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000002788 crimping Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000007773 negative electrode material Substances 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 4
- 239000011149 active material Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011255 nonaqueous electrolyte Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004813 Perfluoroalkoxy alkane Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910011157 LiMBO Inorganic materials 0.000 description 1
- 229910015118 LiMO Inorganic materials 0.000 description 1
- 229910013275 LiMPO Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 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
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JWZCKIBZGMIRSW-UHFFFAOYSA-N lead lithium Chemical compound [Li].[Pb] JWZCKIBZGMIRSW-UHFFFAOYSA-N 0.000 description 1
- 235000013490 limbo Nutrition 0.000 description 1
- 239000007788 liquid Substances 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
- 229910021437 lithium-transition metal oxide Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic 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
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- 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
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
-
- 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
- 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
-
- 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)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Description
まず、蓄電素子10の構成について、説明する。
次に、上記実施の形態の変形例について、説明する。上記実施の形態では、蓄電素子10は、1組の電極体400及び集電体(正極集電体600及び負極集電体800)しか備えていないこととした。しかし、本変形例では、蓄電素子は、複数組の電極体及び集電体を備えている。なお、以下では正極側の構成について説明するが、負極側についても、正極側と同様の構成を有する。
100 容器
200、201 正極端子
300、301 負極端子
400、401、402、403 電極体
600、601、602、603 正極集電体
610、611、612、613、810 第一接続部
620、621、622、623、820 第二接続部
630、631、632、633、830 第三接続部
700、700a、900 中間部材
760、760a、770、770a、960 固定部
800 負極集電体
Claims (6)
- 容器と、電極端子と、電極体と、前記電極端子及び前記電極体を接続する集電体とを備える蓄電素子であって、
前記集電体を前記容器に固定する固定部を備え、
前記集電体は、
前記電極体との接続部分である第一接続部と、
前記電極端子との接続部分である第二接続部と、
前記固定部との接続部分である第三接続部とを有し、
前記第一接続部は、前記第二接続部と前記第三接続部との間に配置され、
前記第二接続部は、前記電極端子に固定的に接続されている
蓄電素子。 - 前記第一接続部、前記第二接続部及び前記第三接続部は、前記電極体の同じ側に配置される
請求項1に記載の蓄電素子。 - 前記固定部は、前記容器及び前記集電体の少なくとも一方を貫通し、前記集電体を前記容器に固定する絶縁性の部材である
請求項1または2に記載の蓄電素子。 - 前記容器と前記電極端子と前記固定部とは、前記容器と前記電極端子との間に配置される絶縁部材とともに一体化されている
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、前記第三接続部において、前記固定部が挿入される貫通孔を有しており、
前記貫通孔は、前記固定部の先端に近いほど大きい
請求項1〜4のいずれか1項に記載の蓄電素子。 - 前記蓄電素子は、複数の前記電極体と、前記複数の電極体のそれぞれに接続される前記集電体とを備えており、
それぞれの前記集電体は、前記貫通孔をそれぞれ有しており、
前記貫通孔は、前記固定部の先端に近い集電体が有する貫通孔ほど大きい
請求項5に記載の蓄電素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016066294 | 2016-03-29 | ||
JP2016066294 | 2016-03-29 | ||
PCT/JP2017/010812 WO2017169868A1 (ja) | 2016-03-29 | 2017-03-16 | 蓄電素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017169868A1 JPWO2017169868A1 (ja) | 2019-02-14 |
JP6806142B2 true JP6806142B2 (ja) | 2021-01-06 |
Family
ID=59964475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018509030A Active JP6806142B2 (ja) | 2016-03-29 | 2017-03-16 | 蓄電素子 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6806142B2 (ja) |
WO (1) | WO2017169868A1 (ja) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012160274A (ja) * | 2011-01-31 | 2012-08-23 | Panasonic Corp | 二次電池 |
JP5720537B2 (ja) * | 2011-11-15 | 2015-05-20 | 株式会社豊田自動織機 | 二次電池及び車両 |
CN104584271B (zh) * | 2012-09-12 | 2018-04-17 | 株式会社杰士汤浅国际 | 蓄电元件以及蓄电元件的制造方法 |
JP2015046301A (ja) * | 2013-08-28 | 2015-03-12 | トヨタ自動車株式会社 | 二次電池 |
CN105830255B (zh) * | 2013-12-25 | 2018-09-25 | 日立汽车系统株式会社 | 方形二次电池 |
DE112016003986T5 (de) * | 2015-09-01 | 2018-05-30 | Kabushiki Kaisha Toyota Jidoshokki | Elektrizitätsspeichervorrichtung |
JP6610123B2 (ja) * | 2015-09-25 | 2019-11-27 | 株式会社豊田自動織機 | 蓄電装置 |
-
2017
- 2017-03-16 WO PCT/JP2017/010812 patent/WO2017169868A1/ja active Application Filing
- 2017-03-16 JP JP2018509030A patent/JP6806142B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JPWO2017169868A1 (ja) | 2019-02-14 |
WO2017169868A1 (ja) | 2017-10-05 |
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