国家/地区 中国（26） 美国（3） 韩国（2） 世界知识产权组织（2）
IPC部 C（31）
IPC大类 C01（31）
IPC小类 C01B（31）
IPC C01B032/184（31）
发明人 LIU X（6） CHEN W（4） SHEN J（3）
WANG W（3） CAI J（2） CHENG W（2）
HAO Z（2） HUANG W（2） LI L（2）
LI Y（2） LIU Y（2） SUN X（2）
ZHOU Y（2）
公开年 2021（21） 2022（10）
申请年 2021（31）
专利权人 UNIV CHINA T.（3） GUANGDONG MO.（2） TAIXING ZHIF.（2）

Producing graphene composite film useful in heat dissipation material for ultra-large-scale consumer electronics, comprises vacuum pressing an expanded graphite powder and a graphene film to obtain the graphene composite film.

ZHOU Y, LIU X, WANG W, LI L, CHENG W

Producing photoluminescence material involves placing plastic piece into working solution which is water, applying micro-plasma onto surface of the working solution, and degrading the plastic piece into multiple smaller molecular and graphene quantum dot.

CHIANG W, WENG R, WENG R J

Production of graphene quantum dots used in electronic device, involves thermally decomposing silicon carbide substrate in reduced pressure atmosphere in which mixed gas containing hydrogen is supplied.

CHO S O, LEENAEUN

Preparing high frequency soft magnetic ferric oxide/tin dioxide/graphene composite wave absorbing material for communication device, involves preparing oxidation graphene dispersion ultrasonically dispersing concentration prepared by hummer's method graphene then adding distilled water.

WANG J, CUI D

Preparing nitrogen-doped graphene noble metal composite film, comprises coating mixture made of graphene oxide solution, water-soluble noble metal compound and water-soluble amine cross-linking agent e.g ethylenediamine, drying film, and heating under the protection of inert gas.

CHENG J, LI Y, ZHANG P, AN X

Preparing graphene micro-nano cavity superconducting film as thermal interface material, heat-conducting phase-change or shielding buffer material, involves preparing graphene oxide composite membrane under solidification temperature.

LIN Z, WANG Z, HUANG W, CAI J, HAO Z

Upgrading coal used in graphene film, comprises cleaning coal and reacting cleaned coal residue with oxidizable inorganic metallic agent, and reacting cleaned coal residue with reducing agent to form upgraded coal.

LAUMB J, AZENKENG A

Preparing graphene quantum dot used for preparing polyphenylene sulfide-graphene quantum dot composite material for electronic appliance or communication equipment or automobile field, involves placing brown-black humic acid.

ZHAO L, LI C, WANG C, ZHEN W

Preparing graphene quantum dots of supramolecular structure comprises e.g. mixing phloroglucinol with deionized water, dispersing, adding solution into autoclave, controlling temperature, naturally cooling, dropping brownish-yellow solution on glass sheet, placing into blast drying oven, and drying.

DAI Z, LIU X, SHEN J, REN H, LV G, CAO J, CHEN W

Preparing apricot shell-based nitrogen-doped graphene quantum dot useful for fluorescence detection of vitamin C, comprises crushing apricot shells, soaking in zinc chloride solution, subjecting to high-temperature activation treatment, placing in concentrated nitric acid, heating, and filtering.

ZHOU S, XU H