国家/地区 中国（2）
IPC部 B（2）
IPC大类 B09（2）
IPC小类 C01B（2）
IPC
发明人
公开年 2019（2）
申请年 2019（2） 
专利权人

Preparation of graphene comprises leaching waste lithium ion battery to obtain waste graphite, subjecting waste graphite to redox, stripping to prepare reduced graphene oxide and removing metal ions on graphene surface.

WU C, LI B

Modified biochar used for preparing soil repairing agent for repairing atrazine heavy metal polluted soil comprises corn straw, graphene oxide suspension, nano-silica suspension, and calcium chloride solution.

SONG N, ZONG H