国家/地区 中国（3）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/196（4）
发明人
公开年 2023（4）
申请年 2022（4）
专利权人

Device used for extracting graphene, consists of stirring tank connected with feed tank and water tank, circulation pump connected to side of stirring tank through pipeline, pneumatic diaphragm pump, pressure filter device, oxidation catalytic device and filter device.

ZHAN Z

Usage method of organic acid in preparation of graphene, involves soaking mixed product containing crude graphene in deionized water, adding organic acid to suspension, washing with deionized water and ethanol, centrifuging, placing precipitate in oven for drying to obtain graphene.

ZENG H, SHEN H, ZENG G

Forming activated graphene oxide sheets by heating first solution of etchant and graphene oxide to form activated graphene oxide sheets comprising in-plane defects, filtering first solution to purify sheets, and spray drying sheets.

ELKADY M F, PENG Z, FARAH R B, KANER R B

Direct manufacture of graphene from anthracite involves mixing pulverized coal sample of anthracite and copper chloride and drying to obtain mixed pulverized coal, grinding and irradiating to obtain coarse product of coal-based graphene, separating crude graphene product and purifying.

DONG W, LI J, ZHANG J, NIU H, KANG J, CHEN C, HUANG J, LI K