国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/198（4）
发明人 LI C（4）
公开年 2019（4）
申请年 2019（3） 
专利权人

Preparing graphene oxide by stripping graphite oxide involves adding granular natural graphite, and sodium nitrate to three-necked flask at room temperature, and cooling in cold bath, slowly adding concentrated sulfuric acid and stirring.

ZHANG L, ZENG M, LI C, XU J, LI Z, LAI C

Purification device useful for preparing graphene oxide comprises a reactor provided with water/hydrogen peroxide storage bottle, conveying pipe provided with three-way valve and concentrated sulfuric acid solution storage bottle.

JIN L, BAI L, FENG J, LI C, LIU G, ZHANG P

Method for size grading flow-type continuous stripped graphite oxide and graphene oxide, involves continuously flowing graphite oxide mixture through multi-stage single-channel membrane tube equipped with porous ceramic separation membrane.

BAO N, WANG S, SHEN L, LI C, SHI Y

Graphene material cleaning method involves settling produced graphene material solution, obtaining graphene material slurry, mixing with water and concentrated acid, dispersing, centrifuging, and obtaining graphene material thick slurry.

LI C, ZHANG Z, ZHAO Y, WU K, CHENG J