国家/地区 中国（3） 世界知识产权组织（2）
IPC部 C（3）
IPC大类 C01（3） H01（2）
IPC小类 C01B（3）
IPC C01B032/19（3）
发明人 LI C（3）
公开年 2021（2）
申请年 2021（3）
专利权人 GUANGDONG BR.（2） GUANGDONG BR.（2） HUNAN BRUNP .（2）

Preparing graphene/ZIF-7 composite gel comprises preparing graphene gel by ultrasonically dispersing graphene oxide solid powder in distilled water, dissolving L-ascorbic acid and reacting to form columnar graphene gel, exchanging the solvent with dimethylformamide and immersing the graphene gel.

LI C, HE N, QIAO Y

Method for preparing graphene by using waste graphite of negative electrode of lithium battery, involves heating electrolyte in electrolytic cell to melt and keep warm, and respectively immersing anode and cathode in electrolyte.

XU J, LIN Q, WU X, WANG Y, RUAN D, LI C

Preparing graphene by mechanical stripping, comprises dispersing graphite raw material in foaming agent aqueous solution to obtain graphite pre-dispersion liquid, grinding, washing with water, and centrifuging and grading.

XU J, LIN Q, WU X, WANG Y, RUAN D, LI C, LIN QIAN, XU JIANFENG, WU XIAOFENG, WANG YUAN, RUAN DINGSHAN, LI CHANGDONG