国家/地区 韩国（5） 美国（2）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01J（5）
IPC B01J019/10（5）
发明人 JEON M S（2） JIN C S（2） KIM D H（2）
LEE B S（2） LEE S H（2） PARK S K（2）
SHIN K H（2） YEON S H（2）
公开年 2017（5）
申请年 2015（3）  2016（2） 
专利权人 KOREA INST E.（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

Producing graphene quantum ring useful in field effect transistor and solar cell, comprises e.g. adding carbon fiber into mixed solution of strong acid, ultrasonically processing, heat treating ultrasonically processed solution, and drying.

SIK Y K, SAMAL M, BARANGE N

Producing reduced graphene oxide useful for producing super capacitor, comprises e.g. preparing graphite oxide, lyophilizing graphite oxide, performing ultrasonic treatment on graphite oxide, and reducing ultrasonically treated graphite.

YEON S H, JIN C S, SHIN K H, JUNG K N, LEE B S, JEON M S, YANG J H, JEON J D, SHIM J M, LEE S H, MOON S B, PARK S C, KIM D H

Manufacture of three-dimensional porous graphene-metal oxide composite used as electrode, involves growing metal oxide on three-dimensional porous graphene using electro-deposition method.

PARK H S, PARK S K

Making graphene composite used to make active material for supercapacitor, involves radiating microwave on graphite oxide-conducting agent mixture, dispersing formed material in liquid and ultrasonic-wave pulverizing, and freeze-drying.

YEON S, JEON M, SHIN K, JIN C, LEE B, PARK S, KIM D, LEE S H, YEON S H, JIN C S, JEON M S, LEE B S, SHIN K H, PARK S K, KIM D H