国家/地区 中国（3）
IPC部 H（2）
IPC大类 H01（2）
IPC小类 H01M（2）
IPC H01M004/36（2） H01M004/62（2） H01M010/06（2）
发明人 ZHANG X（3）
公开年 2021（2）
申请年 2021（3）
专利权人 CHILWEE POWER GROUP CO LTD（3）

Preparation method of lead-graphene composite negative electrode lead paste used for battery, involves heating graphene, sodium hydroxide and metallic lead in same container until sodium hydroxide and metallic lead are molten, and fully mixing to obtain liquid mixture of metallic lead and graphene.

LIU X, WANG Z, WU Y, WANG B, ZHANG X

Method for preparing graphene-containing positive electrode grid alloy used in lead-acid battery, involves melting lead and tin, adding molten salt to alloy liquid, adding carbonaceous agent, calcium and molten salt, separating mixture, and returning molten salt for recycling.

WANG Z, ZHANG X, DING Y, WANG B, YE J, ZHOU M, YANG X, LIU X, WU Y

Lead powder comprises lead oxide particles, activated carbon layer covering the lead oxide particles and graphene dispersed in the activated carbon layer with porous structure in which the graphene is dispersed in the pores.

LI W, LI J, QUE Y, ZHANG X, WU Y, LIU X