The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 29, 2002

Filed:

Jul. 19, 1999
Applicant:
Inventors:

Michio Murai, Tokyo, JP;

Takayuki Inuzuka, Tokyo, JP;

Yasuhiro Yoshida, Tokyo, JP;

Shigeru Aihara, Tokyo, JP;

Daigo Takemura, Tokyo, JP;

Hisashi Shiota, Tokyo, JP;

Jun Aragane, Tokyo, JP;

Hiroaki Urushibata, Tokyo, JP;

Kouji Hamano, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/040 ; H01M 2/16 ;
U.S. Cl.
CPC ...
H01M 1/040 ; H01M 2/16 ;
Abstract

An adhesive for batteries. The adhesive has improved wetting properties, improved adhesive strength and prevents deterioration of battery performance. Secondary batteries can be obtained having an arbitrary shape such as a thin shape with high reliability and high charge and discharge efficiency. The adhesive includes a thermoplastic resin, a solvent capable of dissolving the resin and a neutral and aprotic surfactant. The surfactant includes a polysiloxene skeleton. The adhesive is used in batteries for adhering an active material layer joined to a current collector to a separator.


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