国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01G045/02（4）
发明人 CHEN Y（4）
公开年 2021（2）
申请年 2020（3） 
专利权人 SVOLT ENERGY.（2）

Cathode material comprises graphene, and manganese dioxide supported on the surface of the graphene in a curd shape and prepared by heating graphene and potassium permanganate, reacting and doping elements.

NIE R, WANG S, LV R, CHEN Y, LI S

Graphene-manganese dioxide cathode material useful in lithium ion battery comprises cathode material including graphene and manganese dioxide nanorods including alpha-beta-and gamma-manganese dioxide nanorods.

NIE R, CHEN Y, LV R, WANG S

Preparation of graphene-supported hollow manganese dioxide composite material involves dispersing water and graphene oxide, mixing with manganese salt solution, sodium borohydride solution, hydrothermally reacting, filtering, and drying.

CHEN Y, ZHANG L, GU H

Preparing composite thin film material comprises dispersing graphene oxide powder in solvent, mixing manganese salt powder and potassium permanganate aqueous solution into the graphene oxide dispersion liquid, then drying.

CHEN Y, LU F, LI X, XU J, YANG Y, YANG W, ZHAO Y, XIA M