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. 30, 2017
Filed:
Dec. 23, 2010
Applicant:
John Abrahamson, Christchurch, NZ;
Inventor:
John Abrahamson, Christchurch, NZ;
Assignee:
ArcActive Limited, Christchurch, NZ;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/20 (2006.01); H01M 4/68 (2006.01); H01M 4/04 (2006.01); H01M 4/66 (2006.01); H01M 4/80 (2006.01); H01M 4/82 (2006.01);
U.S. Cl.
CPC ...
H01M 4/68 (2013.01); H01M 4/0404 (2013.01); H01M 4/20 (2013.01); H01M 4/663 (2013.01); H01M 4/80 (2013.01); H01M 4/82 (2013.01); Y02P 70/54 (2015.11); Y10T 29/49115 (2015.01);
Abstract
A lead-acid battery or cell comprises electrode(s) of with current collector(s) of a fibrous material with an average interfiber spacing of less than 50 microns. The current collector material may be a carbon fiber material which has been thermally treated by electric arc discharge. The fibrous current collector material may comprise an impregnated paste comprising a mixture of lead sulphate particles and dilute sulfuric acid.