Silicon composite cluster and carbon composite thereof, and electrode, lithium battery, and electronic device each including the same
US11824198B2 · kind B2 · utility
1Cited by
14References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2018 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Mar 15, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A porous silicon composite includes: a porous core including a porous silicon composite secondary particle; and a shell disposed on a surface of the porous core and surrounding the porous core, wherein the porous silicon composite secondary particle includes an aggregate of silicon composite primary particles, each including silicon, a silicon suboxide on a surface of the silicon, and a first graphene on a surface of the silicon suboxide, wherein the shell include a second graphene, and at least one of the first graphene and the second graphene includes at least one element selected from nitrogen, phosphorus, and sulfur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.