Patent ID: 11909036
Assignee: GUANGDONG KAIJIN NEW ENERGY TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 8:
9. A silicon/carbon composite material with a compact structure, comprising an inner core and a carbon coating layer coated on the inner core, wherein the inner core comprises a compact carbon matrix and silicon particles distributed inside the compact carbon matrix evenly and dispersively, and the silicon/carbon composite material is compact inside without voids or has closed voids therein with a volume ratio of 0-10%;
wherein the silicon particles are one or both of nano-silicon and nano-silicon oxide (SiOx), the nano-silicon has a particle size D50 of 1-100 nm, and a grain size of 1-10 nm; and X in the SiOx is 0-0.8.