国家/地区 中国（2）
IPC部 C（2）
IPC大类 C02（2）
IPC小类 C02F（2）
IPC
发明人 ZHANG P（2）
公开年 2023（2）
申请年 2022（2）
专利权人

Preparing electrode material graphene comprises mixing and graphene and chemical etching agent, by hydro-thermal treatment to obtain the graphene hydrogel, soaking graphene hydrogel, freezing, drying and annealing treatment to obtain the graphene, grinding, coating and drying.

GUO Z, HUANG Z, WANG J, ZHANG P, YANG T, JI Z

Preparing modified biochar useful for removing perfluorinated compounds, comprises ball milling, freeze-drying and shaping to prepare modified biochar precursor, adding trivalent iron salt solution, mixing uniformly, filling nitrogen into ball milling tank, sealing and heating.

TAN W, ZHANG P, WEI Z, LIU C