国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2） C25（2）
IPC小类 C01B（2）
IPC C01B032/19（2）
发明人
公开年
申请年 2018（2）
专利权人

Preparation of oxygen-doped three-dimensional graphene used as anode material in water splitting, involves pretreating graphite sheet, freezing, physically expanding, and converting into product by electrochemical stripping.

HOU Y, LEI C, YANG B, YANG J, LEI L

Preparing metal oxide or graphene composite film useful for photo-catalytic hydrogen comprises e.g. mixing graphite, sodium nitrate, concentrated sulfuric acid, stirring to obtain first mixture, adding potassium permanganate, and stirring.

JIAO Z, XU B, GUAN X, ZHAO X