国家/地区 中国（3）
IPC部 B（2）
IPC大类
IPC小类
IPC
发明人 DONG S（3）
公开年 2015（3）
申请年 2015（2） 
专利权人 LANZHOU CHEM.（2）

Preparing graphene quantum dot involves washing ultrafine graphite power with water and ethanol, filtering, drying, mixing with mixed acid solution, reacting, purifying graphene quantum dot by macroporous resin and eluting with water.

DONG S, SUN Y, WANG L, ZHAO L, ZHANG X, BI Q

Preparation of graphene-bonded silica stationary phase involves adding graphene oxide-bonded silica gel to aqueous solution of hydrazine hydrate, reacting, filtering and drying.

DONG S, WANG L, ZHAO L, ZHANG X

Method for preparing spherical hollow lithium titanate/graphene composite material utilized as lithium battery cathode material, involves preparing silica ball and silica titanium ball, followed by adding graphene oxide and calcining.

DIAO G, DONG S, LI J, TONG J, WANG H, YU Y