国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B032/184（3） H01M004/62（3） B82Y030/00（2）
B82Y040/00（2） C01B032/05（2） C01B032/19（2）
H01M004/583（2） H01M004/587（2） H01M010/0525（2）
发明人 LIAN P（2） LIU B（2） MEI Y（2）
公开年 2023（3） 2021（2）
申请年 2021（2）  2022（2） 
专利权人 UNIV KUNMING SCI TECHNOLOGY（6）

Preparing doped perforated graphene based on waste battery cathode graphite useful in energy storage, comprises using waste lithium ion battery cathode graphite as carbon source to prepare doped perforated graphene oxide and adding into tube furnace and rapidly heating and reducing graphene oxide.

MEI Y, HOU M, CHEN T, LUO G, LU X, LIAN P

Preparing manganese-based catalyst of ORR reaction of alkaline condition, comprises dispersing graphene oxide (GO) uniformly in aqueous solution of ethylene glycol, adding aqueous solution of dicyandiamide (DCDA) and adjusting pH of resulting mixed solution to be alkaline.

SUN C, XU M

Method for preparing adjustable conductivity type pyrolytic carbon material used in portable electronic product, involves crystallizing solid after pyrolysis for cooling to room temperature for grinding and sieving to obtain pyrolytic carbon, and performing water washing until pH value is neutral.

PAN B, LIU B, ZHANG P

Cathode material of battery with high safety and high performance, used as lithium ion battery or sodium ion battery cathode material by proper mass ratio, has high specific capacity and good flame-retardant effect to electrolyte.

MEI Y, CHEN X, WU Z, LI X, FU J, LIAN P

Reducing graphene oxide to coating lithium nickel cobalt manganese oxide cathode material by microwave-assisted synthesis involves performing microwave roasting of mixed powder in air atmosphere, heating, and cooling to room temperature.

LIU B, DONG E, JI H, ZHAO Y, GUO S

Preparing nitrogen-doped graphene carbon material useful as e.g. cathode catalyst of a hydrogen-oxygen fuel cell, comprises e.g. adding transition metal salt into halogen element strong oxidizing acid, stirring and ultrasonically processing.

YANG X, WEI Q, TAN F, LI W, ZHANG Y, SUN P, MIN C