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:
Aug. 25, 2015
Filed:
Sep. 21, 2012
Panasonic Corporation, Osaka, JP;
Kazunari Ando, Aichi, JP;
Kohei Suzuki, Aichi, JP;
Abstract
A lead-acid battery of the present invention includes electrode plate units, each including a positive electrode plate, a negative electrode plate, and a separator. The positive electrode plate is a positive electrode grid filled with paste including powder of lead oxide as a main component. The negative electrode plate is a negative electrode grid filled with paste including powder of lead oxide as a main component, and including carbon black. The positive electrode plate faces the negative electrode plate. The separator is provided between the positive electrode plate and the negative electrode plate. The positive electrode grid includes gates, each being generally diamond-shaped, and being more than or equal to 50 mmand less than or equal to 100 mmin area. The carbon black has a DBP oil absorption of more than or equal to 140 ml/100 g and less than or equal to 340 ml/100 g.