国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B031/04（3）
发明人 SHI Z（3）
公开年 2014（3）
申请年 2013（3） 
专利权人 SHANDONG LIA.（2）

Preparing nitrogen-doped reduced graphene oxide aerogel useful e.g. for water purifying agent, comprises e.g. preparing graphite oxide aqueous solution using natural graphite powder, adding with hexamethylenetetramine crystals, and heating.

LIN Y, LI J, SHI Z, XU C, TIAN Z, ZHU G

Preparing graphene dispersion liquid, comprises dispersing Hummers method graphene oxide in solvent, mixing to obtain graphene oxide dispersion, quickly freezing, heating frozen products, performing solid-liquid separation and centrifuging.

SHI Z, ZHANG W, CAO Q

Preparing graphene oxide, comprises e.g. performing oxidation of graphite, adding potassium permanganate, peeling graphite, performing primary quenching by washing the reaction system with water, and performing deep quenching reaction.

SHI Z, ZHANG W, CAO Q, YING H