US 12,482,812 B2
Anode material, electrochemical device and electronic device including the same
Zhihuan Chen, Ningde (CN); Daoyi Jiang, Ningde (CN); Hang Cui, Ningde (CN); and Yuansen Xie, Ningde (CN)
Assigned to NINGDE AMPEREX TECHNOLOGY LIMITED, Ningde (CN)
Filed by NINGDE AMPEREX TECHNOLOGY LIMITED, Ningde (CN)
Filed on Jan. 18, 2022, as Appl. No. 17/577,739.
Application 17/577,739 is a continuation of application No. PCT/CN2019/118584, filed on Nov. 14, 2019.
Prior Publication US 2022/0140322 A1, May 5, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 4/36 (2006.01); H01M 4/02 (2006.01); H01M 4/48 (2010.01); H01M 4/60 (2006.01); H01M 10/0525 (2010.01)
CPC H01M 4/366 (2013.01) [H01M 4/483 (2013.01); H01M 4/602 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An anode material, comprising: silicon-containing particles comprising a silicon composite substrate and an oxide MeOy layer, wherein the oxide MeOy layer is coated on at least a portion of the silicon composite substrate, wherein Me includes at least one of Al, Si, Ti, Mn, V, Cr, Co or Zr; y is 0.5 to 3; and wherein the oxide MeOy layer comprises a carbon material;
wherein the carbon material in the oxide MeOy layer comprises carbon nanotubes;
wherein based on a total weight of the anode material, a weight percentage of the carbon material in the oxide MeOy layer is 0.02 to 0.8 wt %; and
wherein a thickness of the oxide MeOy layer is 20 nm to 900 nm.