国家/地区 中国（33） 美国（4） 世界知识产权组织（4） 日本（3） 欧洲专利局（EPO）（2） 韩国（2）
IPC部 C（33）
IPC大类 C01（33）
IPC小类 C01B（33）
IPC C01B032/184（33）
发明人 ZHANG J（5） LI X（4） XING C（4）
ZHANG H（4） CHEN Y（3） JIANG W（3）
YANG P（3） YANG X（3） YANG Y（3）
GUO H（2） LI Z（2） LIU Y（2）
PAN D（2） QIAN F（2） SU Y（2）
公开年 2017（33）
申请年 2016（19）  2017（13） 
专利权人 UNIV SHENZHE.（4） UNIV SHANGHA.（2） UNIV YUNNAN .（2） ZHENJIANG BR.（2）

Producing isolated graphene sheets from supply of coke or coal powder, used in composite material, comprises dispersing particles of coke or coal powder in liquid medium to produce suspension, and exposing suspension to ultrasonication.

ZHAMU A, JANG B Z

Preparing graphite quantum dot by sugar precursor at low temperature comprises e.g. mixing sugar monomer in alkaline aqueous solution, reacting to obtain graphene quantum dot mother liquor, dialyzing or filtering and spray.

LU H, ZHANG J, CHEN Y, PAN Y, LIN S

Preparation of tricolor fluorescent graphene quantum dot powder involves dissolving citric acid and reducing agent into deionized water, dispersing, subjecting into ultrasonic extraction and purification, and drying.

LU G, LV N, SHI G, WANG Y, XIE X

Preparing graphene/carbon nano tube composite material comprises manufacturing stage graphene oxide, providing graphene acid material into to the carbon nanotube fiber, and adding graphene acid bonding phase of the carbon nanotube fiber.

KIM Y, LIANG Z, YANG X

Preparing graphene quantum dot based on leather waste comprises crushing leather waste, adding distilled water and hydrazine hydrate, ultrasonically processing, hydrothermal reaction of dispersion liquid in PTFE reactor and filtering.

ZHANG W, MA J, WEI L, BAO Y, WANG Z

Flexible multi-layer graphene composite film comprises graphene radiating layer fixed between two phase changeable layers.

YANG Y, YANG X, GUO H, JIANG W

Preparation of graphene quantum dot by cutting foamed nickel substrate, ultrasonically cleaning, constant temperature heating, sending methane gas, cooling, immersing in nitric acid solution and washing with deionized water.

WANG X, LIU Q, CHEN Y, TIAN Z

Preparation of graphene quantum dot used for photoluminescence diode involves taking natural graphite powder, adding sodium nitrate, concentrated sulfuric acid and potassium permanganate, stirring, heating, filtering, washing and drying.

CHEN W, ZHANG Q, HUANG Z, XIANG C, QIN Y, ZHENG Z, ZHANG W, ZHANG B

Preparation of graphene/graphite powder composite material used as heat conductive filler by mixing oxidized graphene aqueous dispersion and graphite powder, dispersing, spray-drying, pre-expanding, and high-temperature calcining.

SU Y, SONG X, SU Q

Preparing nitrogen doped graphene quantum dot involves adding carbon and nitrogen source into round bottom flask, and mixing uniformlym, stirring round bottom flask, and heating until mixture is in molten state.

YE B, TIAN C, YAN Z