国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B031/04（2）
发明人 YU H（4）
公开年 2012（3）
申请年 2011（4）
专利权人

Manufacture of iron oxide/graphene composite oxide powder involves adding solution of graphite oxide, ferrous salt and additive, and sodium hydroxide solution, stirring, adding polyethylene glycol and hydrazine hydrate, and reacting.

CHEN W, HOU C, ZHU M, YU H

Preparation of graphene involves placing monocrystalline silicon substrate on heating table, regulating sputtering power on carbon target and germanium target, coating film on substrate surface and heating obtained germanium carbide.

HAN J, JING C, ZHU J, YU H

Absorbing heavy metal comprises fully mixing graphene piece with magnetotactic bacteria in liquid phase system, adding into sewage containing heavy metal ions, and separating after reaching absorption equilibrium.

CHENG G, KONG T, LI N, SONG Q, SU R, TANG M, YU H, ZHANG B, ZHANG Q

Preparation of graphene oxide, e.g. for transparent electrode, by adding graphite powder and sodium nitrate sulfuric acid, starting ultrasonic oscillation, adding potassium permanganate, reacting, and gradually dropping in deionized water.

LONG F, ZOU Z, YU H