国家/地区 中国（2）
IPC部 B（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 CHEN J（2）
公开年
申请年
专利权人 UNIV SICHUAN SCI ENGINEERING（2）

Preparing tricobalt tetroxide/nitrogen-doped graphene oxide material useful as sodium ion battery cathode material, comprises e.g. mixing graphene oxide, nitrogen source, cobalt source and water, subjecting suspension to hydrothermal reaction, directly freeze-drying precursor solution.

FANG X, DAI Z, LI D, TANG H, LEI Z, WU Y, TANG L, YUE C, ZHANG W, HU M, CHEN J

Preparing photovoltaic voltage signal similar to graphene with enhanced surface photovoltage signal involves calcining urea by semi-closed method, carrying out hydrothermal treatment on obtained graphitic carbon nitride with ionic liquid.

ZHONG Z, LI J, CHEN J, ZHONG J