国家/地区 中国（2）
IPC部 C（2）
IPC大类 H01（2）
IPC小类
IPC
发明人 QIN C（2）
公开年 2022（2）
申请年
专利权人

Preparing graphene lithium-ion battery negative electrode composite material involves adding two dimensional graphene nano sheet into dispersing agent, using ultrasonic to uniformly disperse two dimensional graphene nano sheet into dispersing agent and forming uniform dispersion solution of graphene.

ZHONG H, QIN C, WANG Q, LIU L, WANG Z, LIN F, YAN H

Preparing graphene field emission source useful in field emission cathode of electronic device e.g. display device, comprises slowly cooling carbon atom dissolved to metal material to form graphene layer by stage cooling, closing power supply to room temperature, and taking out metal material.

QIN C, LI T, WANG Q, LOU H, SHI L, LUO L, HUANG S