Negative electrode active material for secondary battery and method for manufacturing same
US10693134B2 · kind B2 · utility
8Cited by
43References
12Claims
0Family size
Inventors
Key dates
| Filing date | Jul 2, 2019 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Jul 2, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is an anode active material for a secondary battery and a method of fabricating the anode active material. A silicon-based active material composite according to an embodiment of the inventive concept includes silicon and silicon oxide obtained by oxidizing at least a part of the silicon, and an amount of oxygen with respect to a total weight of the silicon and the silicon oxide is restricted to 9 wt % to 20 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.