国家/地区 中国（7）
IPC部 C（7）
IPC大类 C04（7）
IPC小类 C04B（7）
IPC C04B035/622（7）
发明人 LI C（2）
公开年 2023（7）
申请年 2022（7） 
专利权人

Preparing high heat-conducting graphene composite film involves uniformly mixing oxidized graphene and carbon nano-tube in solvent, carrying out hydrothermal reaction under sealing condition to obtain hydrogel, and freezing and drying.

JIANG Y, WANG Y

Preparing a vertical graphene nano sheet composite radiating film useful as chip surface radiating material in communication device, comprises e.g. providing metal substrate with metal catalyst, performing plasma surface treatment to obtain pre-treated metal substrate and mixing carbon precursor.

YANG S, WANG J, YAN M, JIA W

Preparing negative temperature coefficient thermistor ceramic material, involves adding iron, iron oxide, nickel oxide, manganese oxide and chromic oxide powder into ball milling tank, adding modified graphene, putting atomizing deionized water into ball milling tank followed by depositing pyrrole.

JIANG C, MO L, JIANG L

Permanent magnet ferrite material with high magnetic properties, comprises pretreated graphene oxide, calcium metaborate, vitamin C, alcohol, oxalic acid, tricobalt tetroxide, strontium carbonate, calcium carbonate, lanthanum oxide, iron oxide, cobalt oxide and zinc oxide.

YAO Z, WANG Z

Method for preparing graphene heat-conducting film by doping carbon nano-tube, involves mixing deionized water, carboxymethyl cellulose and dispersing to obtain aqueous solution, and adding carbon nanotube in carboxymethyl cellulose solution in batches.

ZHAO Y, ZHOU W, ZHOU C, GENG B, LI C

Micro-airbag structure loaded with magnetic particle useful in field of electromagnetic shielding, comprises e.g. carbon nanofiber embedded in graphene sheet, and magnetic particles are distributed on surface and inside of composite material.

SU J, WEI G, LI L

Shell useful in electronic device has ceramic composite structure comprising coating layer set on surface of ceramic particles, where coating layer comprises layered material, and protective layer set on surface of polymer ceramic layer.

CHEN Y, HU M, LI C