国家/地区 中国（16） 美国（14） 世界知识产权组织（12） 日本（8） 欧洲专利局（EPO）（6） 韩国（4） 台湾（4） 西班牙（2） 英国（2） 印度（2）
IPC部 B（22）
IPC大类 B82（22）
IPC小类 B82Y（22）
IPC B82Y030/00（22）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） LIU Y（2） YANG Y（2）
ZHOU X（2）
公开年 2015（22）
申请年 2015（11）  2014（10） 
专利权人 GRAPHENE PLA.（2）

Preparation of sulfonated graphene used for e.g. transparent electroconductive electrode and thermal conductive material, involves contacting reaction medium containing oxidative sulfonating agent with organic material, and heating.

HAO J, JIANG Y, LI J

Composite material used for thermal-conducting material for thermal management of collagen, comprises metal matrix and graphene platelets dispersed in the metal matrix with random orientation.

KIM N P

Graphene composite powder material is obtained by mixing graphene powder material having specified apparent density and polymer.

LIU Z, QING Z, TANG C, ZHAO Y, ZHOU X, HU J, QIN Z, WANG G

Preparing graphene quantum dot involves washing ultrafine graphite power with water and ethanol, filtering, drying, mixing with mixed acid solution, reacting, purifying graphene quantum dot by macroporous resin and eluting with water.

DONG S, SUN Y, WANG L, ZHAO L, ZHANG X, BI Q

Preparing reduced graphene oxide/iron oxide/quantum dot nanocomposite, comprises dispersing the reduced graphene oxide/iron oxide nanocomposites in poly diallyl dimethyl ammonium chloride solution, and ultrasonicating.

JIN B, MAO C, NIU H, TONG J, WANG Y, YANG Y, ZHANG S, YUAN M, YUAN Z, LIU P, JI G

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

HASEGAWA S, KAMIYA N, HASEGAWA SHOJI, KAMIYA NAGISA, SHOJI H, NAGISA K, SHEN Y

Preparation of size-controlled graphene quantum dots involves depositing metal catalyst on clean substrate, etching metal thin film, supplying substrate, carbon source and reducing gas to reactor and purifying graphene quantum dots.

FENG W, LIU Y, YANG L, ZHANG J

Porous graphene used in e.g. adsorption applications, is prepared by providing graphene sheet having thickness and lateral dimension of preset range, and distributed pores having size of preset range on surface of graphene sheet.

LI X, SUN R, WANG X, YE W, CHEN W

Graphene-nano nickel composite thermoelectric thin film is prepared by adding solution containing graphite oxide into container, immersing pre-treated copper plate as negative electrode and iron sheet as positive electrode and reacting.

LIU Y

Large-scale preparation graphene quantum dots, comprises adding graphene oxide into first solvent to obtain first dispersion solution, adding reducing agent, reacting, carrying out solid-liquid separation and cooling to obtain crude product.

ZHANG M, ZHANG L