国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08G（3）
IPC C08G073/10（2） H01M004/62（2）
发明人 WANG J（3）
公开年 2022（3）
申请年 2022（2） 
专利权人 BEIJING YUCH.（2）

Branched cross-linked polyamic acid solution useful for preparing polyimide adhesive used in electrode material for lithium ion battery, comprises polyamic acid molecular chain with strong polar groups, where entire molecular chain is in branched and cross-linked form.

WANG J, JIA N

Block type polyamic acid solution useful in preparing block type polyimide adhesive for lithium-ion battery pole piece, prepared by polycondensation reaction of rigid polyamic acid precursor e.g. pyromellitic dianhydride and flexible polyamic acid precursor e.g. 4,4-oxydiphthalic anhydride.

WANG J, JIA N

Preparing double-sulfur bond sulfur polymer containing anode active material involves heating sulfur to completely melt, adding styrene into liquid, reacting to obtain red brown viscous liquid, cooling product to room temperature, changing into reddish brown solid.

JIANG L, SHI W, YANG K, WANG J