国家/地区 中国（3）
IPC部
IPC大类
IPC小类
IPC
发明人 ZHANG D（3）
公开年 2010（3）
申请年 2009（2） 
专利权人 UNIV TONGJI（2）

Preparation method for polypyrrole/graphene composite material involves pressing mixture on current collector to form electrode material of such energy storage systems as super capacitor.

ZHANG D, YU P, MA Y, CHEN Y, ZHANG X

Preparing graphene sheet with narrowing transverse dimension comprises mixing oxidized graphite with deionized water, agitating, centrifuging, adding chemical reducing agent, adding chemical reducing agent into the solution, and reducing.

ZHANG D, SHEN M, ZHANG T

Device for purifying and separating graphene oxide by micro-pore method, has magnetic unit with electromagnet installed on bottom of cylinder, and sieving unit including filter film installed in small cylindrical filter.

SHEN M, XU Y, ZHANG D, ZHANG T