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:
Apr. 30, 2019
Filed:
Dec. 18, 2015
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
GS Yuasa International Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 10/08 (2006.01); C22C 11/06 (2006.01); H01M 4/73 (2006.01); H01M 4/38 (2006.01);
U.S. Cl.
CPC ...
H01M 10/08 (2013.01); C22C 11/06 (2013.01); H01M 4/38 (2013.01); H01M 4/73 (2013.01); H01M 2004/028 (2013.01);
Abstract
An objective is to improve the corrosion resistance of a positive electrode grid for lead acid batteries. Provided is a positive electrode grid for lead acid batteries, and a lead acid battery including the grid. The grid includes a lead alloy containing calcium and tin. The lead alloy has a calcium content of 0.10 mass % or less, and a tin content of 2.3 mass % or less, and a lattice constant of 4.9470 Å or less.