国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/194（3） C01B032/184（2） C02F101/30（2）
发明人 ZHANG C（3）
公开年
申请年 2020（2） 
专利权人

Preparing sulfonated graphene oxide useful for photocatalytic degradation of organic pollutant, comprises mixing graphene oxide and sulfamic acid, transferring to container, heating under condition of protective gas, reacting, removing out mixture, washing with water, and drying.

SHENG H, SHEN Q, ZHANG C

Graphene composite film used for acoustic diaphragm or battery or water purifying diaphragm or nanoelectromechanical system, comprises reduced graphene oxide film and graphene film set on side surface of reduced graphene oxide film.

LIU K, ZHANG C, CHEN Y, WANG E

Preparing magnetic porous graphene comprises e.g. preparing graphene oxide, modifying graphene oxide and preparing magnetic porous graphene.

JIANG R, ZHANG C, LIU L, XIAO Y