Method for making separator of lithium ion battery

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9123942
APP PUB NO 20120148734A1
SERIAL NO

13398563

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method for making a separator of a lithium ion battery is provided. In the method, a modifier, and a porous membrane are provided. The modifier is a mixture of a phosphorus source having a phosphate radical, a trivalent aluminum source, and a metallic oxide provided in a liquid phase solvent. The modifier is coated on a surface of the porous membrane to form a coating layer. The coated porous membrane is dried to form a modifier layer disposed on the surface of the porous membrane.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TSINGHUA UNIVERSITYQINGHUAYUAN HAIDIAN DISTRICT BEIJING 100084 100084

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gao, Jian Beijing, CN 749 2595
He, Xiang-Ming Beijing, CN 155 589
Li, Jian-Jun Beijing, CN 149 634
Pu, Wei-Hua Beijing, CN 30 113
Ren, Jian-Guo Beijing, CN 23 164
Zhang, Li-Chun Beijing, CN 11 77

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 1, 2027
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00