国家/地区 中国（5）
IPC部 B（5）
IPC大类 C01（5） B32（2）
IPC小类 C01B（5）
IPC C01B032/184（5）
发明人 DUAN Y（5）
公开年 2022（3）
申请年 2022（3） 
专利权人 CHINESE ACAD.（2） CHONGQING GR.（2）

Removing impurities in graphene preparation process comprises e.g. sieving graphene oxide containing metal impurities and non-metal impurities, placing in reaction kettle, stirring, adding soda ash, filtering, rinsing by deionized water, absorbing and processing by sodium hydroxide solution.

DUAN Y

Preparation device of metal layered graphene on solid carbon source, has heat compression chamber that is provided with auxiliary gas path mechanism introducing auxiliary gas into sample chamber, growth chamber and compression chamber.

SHAO L, LI X, ZHANG Y, LI Z, HUANG D, SHI H, DUAN Y

Conductive control graphene of metal laminated composite material used in electronic, conduction and other technical fields, has graphene step and hot press forming step, graphene metal laminated composite material is prepared by hot pressing and sintering.

SHAO L, HUANG D, DUAN Y, JIANG H, YU J, XU X, MA J, SHI H, LI X

Graphene aerogel modification process comprises e.g. orderly adding reducing agent and modifying agent into graphene oxide dispersion liquid, reacting, washing, then placing in aqueous alcohol solution for dialysis treatment, freeze-drying.

ZHANG J, LI J, DUAN Y

Preparing graphene quantum dot involves adding 1,3,6-trinitrotoluene into sodium hydroxide solution, using ultrasonic cell and crushing ultrasonically then transferring polytetrafluoroethylene into reaction kettle for hydrothermal reaction.

ZHU X, DUAN Y, ZHANG H, WU Q, DONG J, XIANG B, CUI X