国家/地区 中国（4）
IPC部 B（4） C（3）
IPC大类 B01（4）
IPC小类 B01J（3） B01D（2）
IPC B01J027/24（2）
发明人 YU S（4）
公开年 2014（4）
申请年 2013（3） 
专利权人 UNIV CHINA S.（2）

Preparing nitrogen-doped graphene catalyst by adding concentrated sulfuric acid in beaker, adding crystalline graphite powder to beaker, mixing, adding potassium permanganate to obtain oxidized graphite, adding urea and heating.

LI S, LI W, LIU X, WANG W, YU S

Preparation of oil-water separator material by soaking sponge material in graphene oxide solution, removing sponge material, centrifuging to obtain graphene oxide-coated sponge material, and subjecting to reduction reaction.

YU S, YE Y

Preparation of nitrogen-doped graphene/nitrogen-doped carbon nanotube/cobaltosic oxide composite paper involves forming graphene oxide dispersion liquid and carbon nanotube dispersion liquid, and mixing with cobaltous nitrate solution.

LI S, YU S, CONG H

Graphene composite material for nano-iron purification, comprises graphene matrix containing nano-iron and nano-silver.

YU S, LI M, ZHANG E, ZHUANG Y