国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/196（4）
发明人 LIU J（4）
公开年
申请年 2021（2） 
专利权人

Optimizing device for cathode material of composite ion battery based on graphene, comprises optimized box, sieve plate and permanent magnetic rods arranged equidistantly, where inner wall of optimized box is provided with limiting plate.

LIU J, WANG H, LIU S

Refining device of high purity graphene powder comprises reaction tank provided with rotating shaft, where upper end of rotating shaft is set on reaction tank in upper half part of reaction chamber is set in reaction chamber.

LIU J, HUANG D, LIN Z

Graphene separation and purification involves adding solvent to pulverized high-temperature carbonized product powder, dispersing at high speed to obtain mixed solution, and then separating mixed solution by centrifugation.

WU L, ZHANG J, HU Y, LIU Y, SHU S, XU J, LIU J, SONG Q, HUANG Z

Preparation of multiple graphene layer used for e.g. lithium ion battery cathode material, by mixing charcoal powder and strong alkali, microwave heating, washing with water and acid, removing inorganic impurity, and purifying.

YANG Z, LIU J