国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B031/04（6）
发明人 ZHAO C（6）
公开年 2014（6）
申请年 2014（5） 
专利权人 SHANDONG YUH.（5）

Batch preparation of graphene powder comprises using graphene colloidal solution flocculation flotation reagent as electrolyte, quick floating graphene in the solution, and preparing graphene powder.

CHEN X, WANG S, WANG Y, ZHANG B, ZHAO C, XIAO S, DONG H

Preparing graphene comprises reducing graphene oxide using iron powder and hydrochloric acid complex reduction system, where the graphene is in powder form.

CHEN X, WANG S, WANG Y, ZHANG B, ZHAO C, XIAO S, DONG H

Graphene oxide reduction by adding solution of halogen in organic solvent to aqueous dispersion of graphene oxide and ultrasonically dispersing, adding hydrohalic acid and refluxing, and hot-filtering, washing, and drying.

CHEN X, WANG S, WANG Y, ZHANG B, ZHAO C, XIAO S, DONG H

Graphene production reactor comprises kettle body, inner container, heating condensing device, closed cavity, housing, cooling fluid and fluid outlet, heating device, temperature sensor, radiating fins, and control box circuit unit.

CHEN X, SONG C, WANG Y, ZHANG B, ZHAO C, DONG H

Preparing graphene comprises magnetic stirring natural graphite with mixed acid, then adding potassium permanganate to react, cooling and diluting, then adding hydrogen peroxide, washing, oscillating, and freezing and drying.

CHEN X, SONG C, WANG Y, XIAO S, ZHAO C

Making metal oxide-graphene composite, comprises providing composition comprising graphene oxide and elemental metal dispersed in liquid medium, and heating composition in sealed chamber at temperature above nominal boiling point of medium.

ZHAO C