国家/地区 中国（14） 印度（4） 世界知识产权组织（2）
IPC部 B（20）
IPC大类 B82（20）
IPC小类 B82Y（20）
IPC C01B032/198（20）
发明人 LI J（2） LI X（2） YANG Y（2）
公开年 2023（20）
申请年 2022（12）  2023（6） 
专利权人

Preparation of graphene oxide quantum dots, involves dispersing potato paste in deionized water and adding ammonium hydroxide solution, treating formed mixture hydrothermally at preset conditions, and cooling to room temperature, filtering and drying.

KAUSHAL J, KAPOOR M, KUMAR P, KHANRA P, GAYTRI

Performing selective oxidation of propylene glycol to hydroxyacetone through liquid phase oxidation involves using copper-infused sulfated zirconium oxide nanoparticles supported on reduced graphene oxide catalyst.

MANGESH V, TAMIZHDURAI P

Purifying graphene oxide involves preparing graphene oxide filter cake by improving Hummers method, dissolving citric acid, salicylic acid, malic acid and tartaric acid in deionized water to obtain mixed acid solution, and adding graphene oxide filter cake into mixed acid solution.

WEI R, XU P, LIU G, HAO Z, GONG Y

Depositing graphene or graphene oxide onto substrate from gaseous source of carbon precursor involves using plasma-enhanced chemical vapor deposition method, where carbon precursor consists of ethylene and the process is carried out in absence of carrier gas.

JOUIAD M, EL MARSSI M, LEJEUNE M

Preparing carbon-based gas gel induced by carbon dots useful in catalysis, comprises e.g. taking carbon dots using positively charged polymers by thermal sintering method and carrying out electrostatic self-assembly with rich and disordered pore structure without chemical cross-linking agent.

YE M, JIAO Z, YAN B, YANG X

Preparing metal ion cross-linked nano-film useful in e.g. water treatment field, by e.g. preparing hydrogel, continuously adding spreading solution to surface of freshly removed hydrogel, carrying out interfacial film-forming reaction, transferring nanomembrane to any solid surface, and drying.

ZHAO T, ZHOU C, ZHAO C, LIU M

Preparing electrochemical sensor used for detecting zearalenone in food, involves modifying graphene nano ribbons and gold nanoparticles onto glassy carbon electrode by electrodeposition, and using electro polymerization to polymerize molecularly imprinted membrane on modified electrode surface.

ZHONG M, LI X, XIE H, SHENG X, ZHOU B

Activation method before metallization of thick copper printed circuit board hole involves preparing graphene liquid and graphene oxide liquid, mixing to obtain graphene copper plating pre-activation liquid without dispersant, and injecting activating solution.

BAI J, XIE D, FANG B, WANG J

New lithium-ion battery cathode material useful in coating layer in cathode of lithium-ion batteries.

REN Z, CHEN Z, YANG Y, SHEN L

Preparation of double-layer polymer modified graphene material used in separation and enrichment of glycoprotein, involves mixing e.g. hydrophilic polymer and solvent for electrostatic adsorption, and mixing obtained material with hyaluronic acid buffer salt solution for electrostatic adsorption.

GUAN S, LI H, YU J, PENG J, WANG L, DONG P, ZHAO Y