国家/地区 中国（15）
IPC部 C（15） H（15） B（2）
D（2）
IPC大类 C08（15）
IPC小类 C08G（15）
IPC C08G073/10（15）
发明人 CHEN W（2） JIA N（2） WANG J（2）
ZHOU Z（2）
公开年 2022（7） 2023（3）
申请年 2022（10） 
专利权人 BEIJING YUCH.（2）

Bonding agent useful in electrode pole piece for a secondary battery, comprises e.g. polyamide-imide, carboxylated graphite carbon fibers, metal fibers, and conductive carbon particles.

QIAN C, ZHOU Z, YUE M

Post-synthesis modified covalent organic frameworks material with sodium-ion battery performance useful for functional treatment of porous structure, where material structure is synthesis of monomers containing more highly active functional groups.

LU Q, TANG W, GAO F

Preparing phase change graphene composite material useful as battery pack radiating material, comprises e.g. adding titanate coupling agent and aqueous ammonia, dissolving pyromellitic dianhydride and 4,4'-diaminodiphenyl ether in solvent, and polymerizing modified graphene oxide and isoquinoline.

HUANG Z, ZHOU Z, ZHU Q, ZHENG Z

Preparing polyimide based on conjugated carbonyl group, comprises e.g. dissolving dianhydride monomer in N-methylpyrrolidone, stirring, adding diamine monomer, and performing polycondensation reaction to obtain polyimide acid solution, cooling, drying and removing solvent.

SUN J, CHEN W, JI F, LIU B

Processing a porous silicon electrode composite material, comprises e.g. taking porous silicon powder and deionized water, performing ultrasonic dispersion to obtain porous silicon dispersion liquid, vacuum drying to obtain pretreated silicon powder and obtaining graphene composite silicon powder.

WANG N

Silicon composite material for use in lithium-ion battery, includes silicon-lithium silicate composite material and modified polyimide coating layer coated on silicon-lithium silicate composite material, where modified polyimide is lithium-ion doped polyimide.

ZHANG C, ZHOU J, JU S, JIANG P

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

Blended polyamic acid solution used in lithium-ion battery pole piece, comprises rigid polyamic acid, flexible polyamic acid and polar solvent, where rigid polyamic acid is formed by condensation polymerization of rigid dibasic acid anhydride and rigid diamine.

WU D, TIAN G, XU Y, WANG Y, QI K, QI S

Preparing naphthalimide polymer useful in lithium-sodium batteries, preferably sodium ion battery, comprises e.g. uniformly mixing or dissolving naphthalimide compound and ferric chloride in organic solvent, performing solid-phase grinding, washing ball-milled solid and drying.

CHEN W, FENG X, LIU X, ZHENG J