国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4） B01（2）
IPC小类 C01B（4）
IPC C01B032/196（4）
发明人 ZHANG W（4）
公开年 2020（2） 2022（2）
申请年 2022（2） 
专利权人

Processing method of copper-containing graphene powder, involves mixing oxidized acid liquid and graphene cake, performing chemical corrosion, removing residual copper, and obtaining pure graphene powder.

JIN H, ZHANG W

Heating oil graphene extracting and purifying device, has separating screen fixedly installed on inner wall of purifying device main body, moving plate fixed on separating screen, and dredging block fixedly installed on bottom end of moving plate.

DONG Y, LI J, ZHANG W

Graphene cleaning device, has connecting device fixedly connected with moving device, where moving device controls roller of roller device to do reciprocating movement up and down/front and back through connecting device.

QIU F, HUANG T, LV W, CHU J, ZHANG W, LIU Z, TIAN Y, HU T, DING J

Production device for producing graphene material, has feeding pipe whose lower end is extended into inner tank, and cover plate whose right side is connected with spray head, where top right side of shell is connected with water tank.

SUN S, ZHAO A, ZHOU A, GAO Q, ZHANG W, LIU D, SONG Y, GAO L, WANG G