国家/地区 中国（2）
IPC部 H（2）
IPC大类 H01（2）
IPC小类 H01M（2）
IPC
发明人 HE Y（2）
公开年 2009（2）
申请年 2009（2） 
专利权人

Lithium ion battery, has cathode material that is graphene material prepared by low-temperature method, and cathode electrode plate made by pressing graphene material in copper foil current collector.

HE Y, LV W, SUN H, YANG Q

Cathode material used for lithium-ion cell, contains preset amount of tin dioxide loaded to graphene nano-sheet which has specified range of thickness.

HE Y, MA Z, YANG X