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.
Patent No.:
Date of Patent:
Nov. 25, 2008
Filed:
Aug. 27, 2004
Haruchika Ishii, Tokyo, JP;
Norio Takami, Kanagawa-ken, JP;
Tomokazu Morita, Chiba-ken, JP;
Mitsuo Kasori, Kanagawa-ken, JP;
Haruchika Ishii, Tokyo, JP;
Norio Takami, Kanagawa-ken, JP;
Tomokazu Morita, Chiba-ken, JP;
Mitsuo Kasori, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
An electric cell comprising a positive electrode, a negative electrode containing aluminum or aluminum alloy, and an electrolyte arranged between the positive electrode and the negative electrode, wherein the electrolyte includes: at least one ion selected from a group of a sulfate ion (SO) and a nitrate ion (NO), the concentration of the ion being in the range of 0.2 to 16 M/L; and an additive selected from a group of an organic acid, a salt of the organic acid, a hydrate of the organic acid, an ester of the organic acid, an ion of the organic acid, and derivatives thereof.