国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/184（2） C01B032/194（2）
发明人 ZHANG M（4）
公开年 2022（4）
申请年 2021（2） 
专利权人

Preparing carboxylated graphene involves mixing graphene powder and ferrous oxalate, ball milling mixture, adding oxidant, ball milling, adding deionized water, ball milling, sieving, filtering liquid in ball milling device, retaining filter cake, and washing with hydrochloric acid and disodium EDTA.

LIN H, ZHANG M, CHENG X

Graphene powder preparation device comprises machine seat control panel, dry device, crushing device, feeding hopper, feeding device, sealing device, constant temperature furnace, heating device, conveying pipe, and material receiving device.

ZHANG M, DING G, FENG T

Large-scale preparation of graphene, comprises adding concentrated acid and oxidant into graphite, cooling mixed solution, adding hydrogen peroxide for removing unreacted oxidant, filtering intercalated graphite solution, acid washing filter cake using diluting hydrochloric acid and expanding.

ZHENG T, ZHANG M, MAO O, YE Z, LIU D

Preparing NaTi2V(PO4)4-three-dimensional graphene composite material used for preparing sodium-ion battery, involves adjusting pH value of multilayer graphene oxide solution, performing first hydrothermal reaction, freezing, and drying.

HOU A, ZHANG M, CHEN Y, XU S, ZHAO D, XU K