国家/地区 中国（4）
IPC部 B（4）
IPC大类 C01（4） B82（3）
IPC小类 C01B（4）
IPC C01B031/04（4）
发明人 ZHAO C（4）
公开年
申请年
专利权人

Preparation of graphene oxide sheet involves cooling concentrated sulfuric acid, adding successively graphite, potassium permanganate and sodium nitrate, heating, stirring, centrifuging and drying.

TAN G, XIA A, ZHAO C, REN H

Preparing graphene dispersion involves adding graphene and dispersing agent to solvent and mixing, evenly dispersing mixture in dispersing device, mixing mixture in electric mixer, adjusting temperature of cooling system to obtain product.

CHEN X, LI H, LI T, WANG Y, WANG Z, YI J, ZHAO C, DONG H

Making metal oxide-graphene composite, comprises providing composition comprising graphene oxide and elemental metal dispersed in liquid medium, and heating composition in sealed chamber at temperature above nominal boiling point of medium.

ZHAO C

Preparing graphene used in the field of electrochemistry, comprises reacting graphite oxide solution with metal liquid ammonia, purifying, and separating to obtain product.

FENG J, WU Z, ZHANG J, ZHANG Z, ZHAO C