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:
Feb. 14, 2006

Filed:

Jan. 17, 2003
Applicants:

Tomoki Nobuta, Miyagi, JP;

Toshihiko Nishiyama, Miyagi, JP;

Hiroyuki Kamisuki, Miyagi, JP;

Gaku Harada, Tokyo, JP;

Masato Kurosaki, Tokyo, JP;

Yuji Nakagawa, Tokyo, JP;

Masaya Mitani, Miyagi, JP;

Inventors:

Tomoki Nobuta, Miyagi, JP;

Toshihiko Nishiyama, Miyagi, JP;

Hiroyuki Kamisuki, Miyagi, JP;

Gaku Harada, Tokyo, JP;

Masato Kurosaki, Tokyo, JP;

Yuji Nakagawa, Tokyo, JP;

Masaya Mitani, Miyagi, JP;

Assignee:

NEC TOKIN Corporation, Miyagi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/46 (2006.01);
U.S. Cl.
CPC ...
Abstract

A small battery and an electric double layer capacitor exhibit adequate cell voltage and capacitor withstand voltage. Specifically, the battery or electric double layer capacitor includes basic cells having a pair of electrodes oppositely laminated via the separator, and an electrolyte are packaged in a resin sheet package. The basic cells are laminated in series via a sheet current collector. The sheet current collector extends to an edge of the resin sheet package around the periphery of the basic cells laminated on both sides of the current collector. The sheet current collector is glued or fused to the resin sheet in its edge. The adjacent basic cells via the sheet current collector are fluid-tightly separated within the resin sheet package.


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