Tab lead including surface treatment film with polymer having carboxylic acid anhydride groups, and nonaqueous electrolyte secondary battery using the same
US10312494B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Feb 18, 2016 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Aug 27, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a tab lead for a secondary battery including tab lead metal that has an adhesion interface with sealing resin. The adhesion interface is provided with a surface treatment film formed of a material including a polymer with carboxylic acid anhydride groups. Further provided is a nonaqueous electrolyte secondary battery including the tab lead for the secondary battery as a leading terminal of at least one of a positive electrode and a negative electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.