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:
May. 31, 2016
Filed:
Nov. 12, 2010
Hiroki Nagai, Nagoya, JP;
Masahiro Morita, Toyota, JP;
Takashi Iwao, Kadoma, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi, JP;
Abstract
A secondary batteryincludes: a positive electrode mixture layercontaining a positive electrode active materialand an electrically conductive material; a positive electrode current collectoron which the positive electrode mixture layeris coated; a negative electrode mixture layercontaining a negative electrode active material; and a negative electrode current collectoron which the negative electrode mixture layeris coated, wherein a porosity A1 of the positive electrode mixture layersatisfies 0.30≦A1 and, at the same time, a porosity A2 of the negative electrode mixture layersatisfies 0.30≦A2.
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