Patent ID: 11967708
Assignee: BTR NEW MATERIAL GROUP CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC H

Claim 9:
10. The method according to claim 9, further comprising the following steps:
(1) mixing the raw material containing the SiOx material and the metal M uniformly, then subjecting the mixture to heat treatment and heat preservation under a non-oxidizing atmosphere to obtain SiOy as a reduction product and the M compound as an oxidation product;
wherein the metal M is contained in an amount of 3%-40% by mass percentage based on the total mass of the raw material containing the SiOx material and the metal M being 100%;
(2) subjecting the products obtained in step (1) to acid treatment by using an acid for dissolving and partially removing the M compound, and a lithium ion battery material comprising SiOy and the M compound is obtained;
wherein 0.5<x<1.5, 0.2<y<0.9, and y<x.