CN120731521A - 二次电池 - Google Patents
二次电池Info
- Publication number
- CN120731521A CN120731521A CN202480013861.5A CN202480013861A CN120731521A CN 120731521 A CN120731521 A CN 120731521A CN 202480013861 A CN202480013861 A CN 202480013861A CN 120731521 A CN120731521 A CN 120731521A
- Authority
- CN
- China
- Prior art keywords
- positive electrode
- core material
- thickness
- electrode core
- insulating member
- 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.)
- Pending
Links
Classifications
-
- 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
- H01M10/0431—Cells with wound or folded 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
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- 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
-
- 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
- H01M2004/028—Positive 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
-
- 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
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023030486 | 2023-02-28 | ||
| JP2023-030486 | 2023-02-28 | ||
| PCT/JP2024/004137 WO2024181071A1 (ja) | 2023-02-28 | 2024-02-07 | 二次電池 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN120731521A true CN120731521A (zh) | 2025-09-30 |
Family
ID=92589643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202480013861.5A Pending CN120731521A (zh) | 2023-02-28 | 2024-02-07 | 二次电池 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4675726A1 (https=) |
| JP (1) | JPWO2024181071A1 (https=) |
| CN (1) | CN120731521A (https=) |
| TW (1) | TW202447998A (https=) |
| WO (1) | WO2024181071A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025094774A1 (ja) * | 2023-10-30 | 2025-05-08 | パナソニックIpマネジメント株式会社 | 非水電解質二次電池 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004296159A (ja) | 2003-03-26 | 2004-10-21 | Japan Storage Battery Co Ltd | 円筒形蓄電池 |
| KR102097107B1 (ko) * | 2018-07-20 | 2020-04-03 | 주식회사 엘지화학 | 전극 조립체 및 이를 포함하는 이차전지 |
| US20240258555A1 (en) * | 2021-05-25 | 2024-08-01 | Panasonic Energy Co., Ltd. | Non-aqueous electrolyte secondary battery |
| CN117529847A (zh) * | 2021-07-05 | 2024-02-06 | 松下新能源株式会社 | 圆筒形电池 |
-
2024
- 2024-02-07 EP EP24763555.0A patent/EP4675726A1/en active Pending
- 2024-02-07 CN CN202480013861.5A patent/CN120731521A/zh active Pending
- 2024-02-07 WO PCT/JP2024/004137 patent/WO2024181071A1/ja not_active Ceased
- 2024-02-07 JP JP2025503717A patent/JPWO2024181071A1/ja active Pending
- 2024-02-20 TW TW113105928A patent/TW202447998A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024181071A1 (ja) | 2024-09-06 |
| JPWO2024181071A1 (https=) | 2024-09-06 |
| EP4675726A1 (en) | 2026-01-07 |
| TW202447998A (zh) | 2024-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |