国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/23（4）
发明人
公开年 2023（4）
申请年 2021（2）  2022（2） 
专利权人

Cleaning graphite oxide without involving hydrochloric acid, comprises e.g. oxidizing graphite by chemical methods, diluting with water, collecting filter cake, washing filter cake with water, adding water and hydrogen peroxide for slurry, and performing solid-liquid separation.

CHENG H, PEI S, HUANG K, REN W

Oxidation of flake graphite with high efficiency and isothermal gradient, comprises e.g. adding flake graphite into concentrated sulfuric acid in reactor, mechanically stirring, adding potassium permanganate, heating, adding hydrogen peroxide and performing solid-liquid separation.

YANG W, CHEN J

Graphite oxide having specific carbon/oxygen atomic ratio, used for preparing sulfonated oxidation graphene which is stably dispersed in weak electrolyte.

SU F, XU Z, CHEN X

Composite graphite material used in negative electrode of secondary battery, comprises main particles comprising artificial graphite and coating layer comprising amorphous carbon, and has preset air oxidation temperature.

HE L, KANG M, MENG K, HERIVING