国家/地区 世界知识产权组织（13）
IPC部 B（13）
IPC大类 C01（13）
IPC小类 C01B（13）
IPC C01B032/196（13）
发明人
公开年 2015（3） 2017（3） 2016（2） 2021（2）
申请年 2014（3）  2015（2）  2016（2）  2020（2） 
专利权人

Graphene manufacturing apparatus comprises supply unit, moving unit, laser irradiation unit, and collecting unit connected to other side of moving unit to separate and collect graphene powder from graphite oxide powder or graphene oxide powder.

YANG W S, KIM S J, KIMSUNJOO, LEE J G, PARK H, PARK J, KIM B G

Dry graphene powder composition used in graphene ink used in two- or three-dimensional printing comprises pristine graphene flakes non-covalently functionalized with polymeric amphiphilic molecules.

TRAN T S, ROY CHOUDHURY N, DUTTA N, ROY C N, AWARD T, ROICHOUDURINAMITA, DUTANABA, DUTA N

Producing graphene oxide and reduced graphene oxide nanostructured materials used as raw material or nanofiller in chemical technical applications, involves selecting and preparing equipment and reagents.

HERNANDEZ SANCHEZ D, MATA CRUZ I

System for processing of carbonaceous compositions, has tank agitator configured to agitate graphene oxide in tank after graphene oxide is transferred to tank, where reaction system transfers graphene oxide from reaction vessel to tank.

LAINE S

Production of graphene and graphite nanoplatelet structure used as e.g. electronic component, involves passing current through electrochemical cell to intercalate ions into graphitic negative electrode of cell so as to exfoliate electrode.

ABDELKADER A, KINLOCH I, DRYFE R

Preparation of graphene quantum dots of different oxygen content used in fluorescent material, involves dispersing graphene oxide in peroxide solution, mixing dispersion with lye, purifying to obtain powder, and performing gradient elution.

ZHANG L, ZHANG M

Manufacture of graphene quantum dots from carbon source, involves exposing carbon source chosen from coal, coke, biochar, and/or asphalt to solution containing oxidant, and forming graphene quantum dots.

TOUR J M, METZGER A, YE R, MANN J, TOUR J

Method for enrichment of mixture of graphene nanoplatelet (GNP), involves introducing GNP into separation column, and increasing content of GNP with lower thickness by flow of medium through column.

POLYAKOVA E, SAVSUNENKO O, STOLYAROV D

Manufacture of monocrystal graphene film for semiconductor device, involves forming polycrystalline graphene on substrate using hydrocarbon gas, growing graphene film, forming catalyst, heating and recrystallizing.

HWANG C, HWANG C Y

Graphene comprises oxygen atom content in predetermined range, and has carbon/oxygen weight ratio of predetermined range.

LEE J S, DO S H, JEON S Y, KONG J H, DO SEUNG H, LEE J, DO S, JEON S, KONG J