Composite anode active material, method of preparing the same, and anode and lithium secondary battery including the composite anode active material
US10199638B2 · kind B2 · utility
0Cited by
0References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 2015 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Mar 10, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A composite anode active material including: a silicon material and a coating layer formed on at least a portion of a surface of the silicon material, wherein the coating layer is chemically bonded to the silicon material, and wherein the coating layer includes a hydrosilylation product of a C4-C30 alkene having a terminal —C(═O)OR group, wherein R is a hydrogen, a C1-C5 alkyl group, a C2-C6 heteroalkyl group, a C6-C12 aryl group, or a C7-C13 arylalkyl group, each of which except hydrogen is substituted or unsubstituted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.