国家/地区 中国（4）
IPC部 C（3）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC
发明人 CHEN F（4）
公开年 2018（2）
申请年 2018（3） 
专利权人 HENAN INST ENG（4）

Nitrogen-doped hydrothermal carbon/graphene composite film, i.e. amorphous structure lamellar film containing hydroxyl groups, carbonyl groups, ether groups, imino groups, and cyano groups on the surface useful in adsorption and removal of heavy metal ions in water.

OTHER I R N, LIU J, GUO Z, SHI L, BAI S, ZHU S, WANG S, CHEN F, JIANG P, CHEN N, MA L

Preparation of iodine-nitrogen double-doped graphene based on one-step hydrothermal method used e.g. in gas sensors, by ultrasonically treating graphene oxide dispersion liquid, urea and sodium iodide, hydrothermally reacting and filtering.

CHEN F, MA L, MA M, WANG H, SONG Z, LI B, REN J, GU B, ZHANG J

Method for preparing graphene and lithium-containing materials, involves crushing graphite electrode from used lithium battery, adding to reactor containing solution, applying external force and electrifying.

GAO B, GU B, LIU B, CHEN X, CHEN F, ZHANG J, LIU S, DENG T, ZHOU Y

Graphene-based porous carbon is prepared by carrying out direct pore formation, catalytic graphitization and/or post treatment using carbonaceous material as precursor.

GAO B, GU B, ZHANG J, CHEN F, LIU B, LIU S, CHEN X, SUN Z, DENG Y