国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/19（3）
发明人 FENG C（3）
公开年 2017（2）
申请年
专利权人

Preparation of graphene, involves mixing and heating heavy aromatic hydrocarbon as carbon source, and sulfuric acid as carbonizing agent, cooling and filtering, drying to obtain graphene precursor, mixing with filler, grinding, and subjecting to peeling and thinning under inert gas protection.

YANG X, LU Y, FENG C

Preparing graphene-based gas-sensitive material comprises e.g. preparing graphene oxide, then adding graphene oxide to deionized water, then adding tin(IV) chloride pentahydrate, ultrasonic dispersion and centrifuging.

FENG C, WANG Y, LI X, WANG X

Preparation of large-sized graphene involves ultrasonically treating mixture of graphite and concentrated sulfuric acid to obtain solution comprising upper graphene and lower concentrated sulfuric acid solution, and processing graphene.

FENG C, XU D