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 ZHAO J（2）
公开年 2015（2）
申请年 2014（2） 
专利权人 UNIV DATONG（3）

Preparation of graphene via impurity removal method involves taking concentrated nitric acid and graphite, oxidizing, adding excess sodium carbonate, neutralizing, washing with purified water, drying, and adding adsorbent.

WANG L, ZHAO J, ZHANG Z

Preparing graphene used for sensor by dispersing graphene oxide in water, adding soluble high molecular polymer to the graphene oxide dispersion and adding guanidine hydrochloride to polymer and graphite oxide mixed solution to react.

DONG C, GUO Y, MA Q, SHUANG S, SONG J

Graphene with plant leaves and limestone preparation method involves drying plant leaves, adding calcium carbonate powder, mixing, grinding, furnace heating under argon atmosphere, cooling to room temperature, and adding acid solution.

GU L, QU W, WANG H, ZHAO J, XING B