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:
Jan. 27, 2009
Filed:
Dec. 12, 2003
Kazuo Yamada, Nara, JP;
Motoaki Nishijima, Nara, JP;
Naoto Nishimura, Kashihara, JP;
Naoto Torata, Kashihara, JP;
Kazuo Yamada, Nara, JP;
Motoaki Nishijima, Nara, JP;
Naoto Nishimura, Kashihara, JP;
Naoto Torata, Kashihara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A polymer battery having at least one layer of a positive electrode, at least one layer of a polymer electrolyte retained by a separator and at least one layer of a negative electrode, each of which is in a thin film form, stacked in this order, wherein the entirety of the outer peripheries of the separator and of the negative electrode is positioned outside of the outer periphery of the positive electrode except for a collector tab (provided to the positive electrode so as to protrude from one side of the positive electrode, and the following relationship is satisfied in a portion of the outer peripheries of the separator and of the negative electrode: the length between the end of the negative electrode and the end of the positive electrode (D) >the length between the end of the negative electrode and the end of the separator (D).