国家/地区 中国（3）
IPC部 B（3）
IPC大类 C01（3） B82（2）
IPC小类 C01B（3）
IPC B82Y030/00（2） C01B032/184（2） C01B032/19（2）
发明人
公开年 2020（3）
申请年 2019（3） 
专利权人 UNIV NORTHWESTERN POLYTECHNICAL（3）

Preparation of graphene magnetic aerogel in sewage treatment, by mixing graphene oxide solution, reducing agent and iron(II,III) oxide magnetic nanospheres, performing solvothermal reaction to generate hydrogel, washing and freeze-drying.

DANG A, WANG Y, LI T, ZHAO T, LI H, AI Y

Preparing graphene quantum dot comprises e.g. reacting naphthalene and nitric acid, crystallizing, removing acid solution, mixing sodium hydroxide solution, carrying out dialysis of obtained dark brown product solution, and freeze-drying.

YAN Y, CHEN P

Preparing nitrogen-sulfur doped graphene used as negative electrode material for lithium ion batteries, involves dispersing graphene oxide in deionized water, dissolving potassium thiocyanate in deionized water, mixing, washing and drying.

HUANG W, AI W, LIU L, DU H