国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2） H01（2）
IPC小类 C01B（2）
IPC H01M004/587（2） H01M010/054（2）
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人 UNIV SHAANXI SCI TECHNOLOGY（2）

Method for preparing graphene quantum dot/hard carbon heterojunction material of material cathode in potassium ion button cel, comprises performing heat treatment to cellulose under inert atmosphere and sealing condition, and applying pressure to the cellulose to obtain the material.

LIU H, LI Y, JI T, LIU X

Preparing carbon-coated tin selenide used as cathode material of potassium ion battery composite glue-linked three-dimensional graphene comprises e.g. mixing selenium powder, reducing solvent, carrying out hydrothermal reaction, separating, drying, performing uniform phase reaction and calcining.

HUO X, WANG Y, JI Y, HUANG J, LI J, WANG F, LIU W, CAO L