Skeleton-forming agent and negative electrode using same
US11495799B2 · kind B2 · utility
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3References
15Claims
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Key dates
| Filing date | Mar 25, 2017 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Jul 8, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
To provide a negative electrode of a lithium ion battery excellent in cycle life characteristics. The negative electrode for a lithium ion battery includes an Si-based material as an active material, wherein a skeleton-forming agent including a silicate having a siloxane bond or a phosphate having an aluminophosphate bond as an ingredient is present on the surface and inside of an active material layer, and the skeleton of the active material is formed with the skeleton-forming agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.