国家/地区 中国（4） 韩国（2）
IPC部 B（7） C（6）
IPC大类 B01（7） C01（6）
IPC小类 B01J（7）
IPC B01J019/08（7）
发明人
公开年 2020（7）
申请年 2020（5） 
专利权人

Preparation of graphene involves using graphene production device, delivering gas to gap between cathode graphite rod and anode graphite rod, using graphite rods, inputting gas, and producing graphene through direct current arc discharge.

SUN F, SUN Q

Preparing graphene quantum dots under coupling action of magnetic field and ultrasonic field, comprises e.g. preparing graphene oxide, and adding graphene oxide to deionized water.

BAO B, ZHU X, GAO H

Roll-to-roll large area graphene synthesis device useful for producing large area graphene and reducing graphene oxide fabric, comprises e.g. supply roll device provided inside reaction chamber, and gas supply unit to supply gas.

JIN Y, JANG S, JOUNG H, JUNG H S, KA D

Device for making multi-layer nano-graphene foils from graphite compound, has storage chamber which sorts products based on difference in density of products, and final portion is reaction exhaust gas treating unit.

NGUYEN T BD T, NGUYEN T T, HOANG M H

Preparing porous graphene involves dissolving ferrocene, cobaltocene or nickelocene in ethanol solution, adding aqueous solution of graphene oxide, dispersing, freeze-drying, heat-treating in carbonization furnace, washing and drying.

MA C, WANG Y, ZHAO Y

Graphene manufacturing apparatus has first region of catalyst metal which is close to first roller portion and second region of catalyst metal close to second roller portion that are arranged to have movement path facing each other.

JUNG H J, KIM J H, WON S J, PARK J J, KWAK J H, LEE H J, JANG B K, PARK H S, KIM K S, KIM J, WON S, PARKJONGJIN, KWAK J, JANG B

Device for preparing graphene composite material, has fixed graphite rod whose upper end and movable graphite rod whose lower end that are respectively connected with power cord, and power cord that is connected with external power source.

DU W