Active material, method of manufacturing active material, electrode, and secondary battery
US10665855B2 · kind B2 · utility
2Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2013 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Mar 25, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A secondary battery includes a cathode, an anode including an active material, and non-aqueous electrolytic solution. The active material includes a center portion and a covering portion provided on part or all of the center portion. The center portion includes silicon, tin, or both as constituent elements. The covering portion includes a plurality of fibrous carbon materials. Part or all of the fibrous carbon materials extend in a direction along a surface of the center portion and are closely attached to the center portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.