国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B032/225（5）
发明人
公开年 2022（3） 2023（2）
申请年 2022（5）
专利权人

Sinking and expanding device for preparing graphene, has roller and cylindrical side wall of cloth bag are pressed and contact so that rolling shaft drives cloth bag to rotate.

XIE G, XIA L, BAI Y

Preparing conductive and thermally conductive graphite film comprises e.g. mixing weakly oxidized graphite without metal ion and graphene oxide aqueous solution, suction filtering mixed solution, drying and pressing to obtain composite film and subjecting to high-temperature graphitization treatment.

CHEN N, LUO Y, GANG Z, CHEN F, SHEN P

Preparing graphene with large sheet diameter and high conductivity, comprises e.g. adding graphite, concentrated sulfuric acid and expansion agent into reaction vessel, mixing evenly, statically expanding, reacting, adding peeling aid, peeling filtering, washing and drying.

LIU B, PENG T, WANG Y, SUN H

Using mixed reaction liquid of oxidized graphite and alkene to prepare graphite, involves obtaining semi-finished product of the oxidized graphene diluting the product with water, and calculating concentration of sulfuric acid in slurry.

WU Q, XIAO W, MO D, LIU M, WANG X

Preparation of nickel ferrite-lesser layer graphite broadband wave absorbing powder material by preparing hydrogen peroxide suspension of carbon material, adding e.g. nickel nitrate hexahydrate, shearing, and hydrothermally reacting.

TANG L, XUE P, YUAN G, XU J, OU W