国家/地区 中国（4）
IPC部 H（4）
IPC大类 H01（4）
IPC小类 H01M（4）
IPC H01M010/0525（3） H01M004/36（2） H01M004/58（2）
H01M004/62（2）
发明人 WANG H（4）
公开年 2022（4）
申请年 2022（4）
专利权人 CHUNENG NEW ENERGY CO LTD（4）

Preparing modified cathode material used to prepare lithium-ion battery, involves uniformly stirring graphene, carbon nanotube, stabilizer and first organic solvent to obtain component A, slowly adding positive active material powder into component A, slowly adding polymerization organic matter.

WANG H

Composite structure of lithium ion battery positive electrode current collector, has graphene film layer whose outer side is provided with acetylene black film layer.

WANG H, WANG W, QI M

Preparing lithium-ion battery material positive electrode material used for producing secondary battery, involves uniformly mixing graphene, non-cross-linked polymer fiber, dispersing agent and organic solvent, adding organic solvent to fine mesh screen, and grinding.

ZHOU L, CHENG M, LUO Z, YE J, LONG C, WANG W, ZHOU R, WANG H

Preparation of lithium iron phosphate composite positive electrode material involves reacting ferrous sulfate, phosphoric acid and lithium hydroxide, adding excessive reducing agent, and adding reduced graphene oxide/lithium iron phosphate.

ZHOU L, WANG W, XUE L, WANG H, YI C