JP7320162B2 - 円筒形電池 - Google Patents
円筒形電池 Download PDFInfo
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- JP7320162B2 JP7320162B2 JP2020512260A JP2020512260A JP7320162B2 JP 7320162 B2 JP7320162 B2 JP 7320162B2 JP 2020512260 A JP2020512260 A JP 2020512260A JP 2020512260 A JP2020512260 A JP 2020512260A JP 7320162 B2 JP7320162 B2 JP 7320162B2
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- 239000011149 active material Substances 0.000 claims description 11
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- 239000007773 negative electrode material Substances 0.000 description 13
- 239000007774 positive electrode material Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 239000011255 nonaqueous electrolyte Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000003125 aqueous solvent Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000006258 conductive agent Substances 0.000 description 4
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- 239000010949 copper Substances 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
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- -1 polytetrafluoroethylene Polymers 0.000 description 4
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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
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- 239000000463 material Substances 0.000 description 3
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
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- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
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- 238000010248 power generation Methods 0.000 description 2
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- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229910018871 CoO 2 Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910001357 Li2MPO4F Inorganic materials 0.000 description 1
- 229910001305 LiMPO4 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910017205 LixMn2 Inorganic materials 0.000 description 1
- 229910015329 LixMn2O4 Inorganic materials 0.000 description 1
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- 229920002125 Sokalan® Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
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- 239000010439 graphite Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- 239000011810 insulating material Substances 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
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- 239000012046 mixed solvent Substances 0.000 description 1
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- 229910021382 natural graphite Inorganic materials 0.000 description 1
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- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- 229910052706 scandium Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
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- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
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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
- H01M10/058—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
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
-
- 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
- H01M50/543—Terminals
- H01M50/545—Terminals formed by the casing of the 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
- H01M50/552—Terminals characterised by their shape
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
Claims (5)
- 少なくとも1つの第1極板と少なくとも1つの第2極板とがセパレータを介して巻回された巻回型の電極体と、
前記電極体を収容する有底筒状の外装缶と、
前記外装缶の開口部を塞ぐように前記開口部に第1絶縁部材を介して取り付けられた第1極端子と、を備え、
前記第1極板は、導電材料により形成された第1芯体と、前記第1芯体上に形成された第1活物質層とを有し、前記第1芯体の前記第1極端子側の一辺部が前記第1活物質層の前記第1極端子側の一辺より導出されることで第1導出部が形成され、
前記第1導出部は、前記電極体の内周側または外周側に曲げられた第1曲げ部を含み、
前記第1曲げ部の前記第1極端子側面に第1極集電板の第1面が接触しており、前記第1極集電板の第2面に直接、または導電部材を介して前記第1極端子が接続され、
前記外装缶は、前記開口部側部分に、内周側に張り出すように形成された張り出し部を含み、
前記第1極集電板の前記第2面の外周側にリング状の第2絶縁部材が配置され、
前記第1曲げ部と前記張り出し部とで、前記第2絶縁部材及び前記第1極集電板が挟まれており、前記第1極端子は、前記第2絶縁部材の貫通穴の内側を通じて、前記第1極集電板に接続されている、
円筒形電池。 - 請求項1に記載の円筒形電池において、
前記第1極端子は、前記外装缶の前記開口部側部分が外周側から内周側にかしめられることにより、前記開口部に前記第1絶縁部材を介して取り付けられている、
円筒形電池。 - 請求項2に記載の円筒形電池において、
前記第1極端子と、前記第1極集電板の間に前記導電部材として板ばねが配置されている、
円筒形電池。 - 請求項1から請求項3のいずれか1項に記載の円筒形電池において、
前記第2極板は、導電材料により形成された第2芯体と、前記第2芯体上に形成された第2活物質層とを有し、前記第2芯体の前記外装缶の底部側の一辺部が前記第2活物質層の前記底部側の一辺より導出されることで第2導出部が形成され、
前記第2導出部は、前記電極体の内周側または外周側に曲げられた第2曲げ部を含み、
前記第2曲げ部が前記底部の内面に接触している、
円筒形電池。 - 請求項1から請求項3のいずれか1項に記載の円筒形電池において、
前記第2極板は、導電材料により形成された第2芯体と、前記第2芯体上に形成された第2活物質層とを有し、前記電極体の最外周面に前記第2芯体が露出しており、
前記電極体の最外周面の前記第2芯体が露出した部分が前記外装缶の筒部の内面に接触している、
円筒形電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018073840 | 2018-04-06 | ||
JP2018073840 | 2018-04-06 | ||
PCT/JP2019/014647 WO2019194182A1 (ja) | 2018-04-06 | 2019-04-02 | 円筒形電池 |
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JPWO2019194182A1 JPWO2019194182A1 (ja) | 2021-04-08 |
JP7320162B2 true JP7320162B2 (ja) | 2023-08-03 |
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Country Status (4)
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---|---|
US (1) | US11495833B2 (ja) |
JP (1) | JP7320162B2 (ja) |
CN (1) | CN111937187B (ja) |
WO (1) | WO2019194182A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP4318699A3 (en) | 2021-01-19 | 2024-02-28 | LG Energy Solution, Ltd. | Electrode assembly, battery, battery pack and vehicle |
US20220271403A1 (en) * | 2021-02-19 | 2022-08-25 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the battery |
SE2150504A1 (en) | 2021-04-22 | 2022-10-23 | Northvolt Ab | A cylindrical secondary cell and a method of its manufacture |
DE102021112325A1 (de) | 2021-05-11 | 2022-11-17 | Bayerische Motoren Werke Aktiengesellschaft | Batteriezelle |
EP4354638A1 (en) * | 2021-10-20 | 2024-04-17 | Contemporary Amperex Technology Co., Limited | Battery cell and manufacturing method and device therefor, battery, and electric device |
WO2023171735A1 (ja) * | 2022-03-09 | 2023-09-14 | マクセル株式会社 | 電気化学素子 |
WO2024079507A1 (en) * | 2022-10-12 | 2024-04-18 | Vidyasirimedhi Institute Of Science And Technology | Battery and manufacturing method therefor |
Citations (5)
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JP2000228174A (ja) | 1998-12-04 | 2000-08-15 | Matsushita Electric Ind Co Ltd | 電 池 |
JP2001093506A (ja) | 1999-09-22 | 2001-04-06 | Honda Motor Co Ltd | 蓄電素子の電極接合方法 |
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