国家/地区 世界知识产权组织（3）
IPC部 C（3）
IPC大类 C01（3） H01（2）
IPC小类 C01B（3）
IPC C01B032/23（3）
发明人
公开年 2023（3）
申请年 2022（2） 
专利权人

System used for producing graphene oxide, comprises filtering unit having layer thickness adjusting unit configured to apply force to cake layer for adjusting deposited thickness of cake layer containing graphite oxide trapped in filtering filter.

ATSUSHI H, TAKAO M, TSUKASA K, HAYASHI T, MIYAZAWA T, KIYONAGA T

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

Process used for purification of graphite material, involves subjecting graphite material to oxidizing conditions, subjecting metal sulfide-lean graphite material to carbochlorination, and purging metal chlorides from metal chloride-rich graphite material, thus obtains purified graphite material.

BOISVERT R, BOULANGER P, BRASSARD M, DESAULNIERS E, NORVAL G, RIECKMANN P, TAN A, TAN Z