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.

Date of Patent:
Jan. 23, 2024

Filed:

Feb. 26, 2016
Applicant:

Daramic, Llc, Charlotte, NC (US);

Inventors:

Margaret R. Roberts, Owensboro, KY (US);

Jeffrey K. Chambers, Philpot, KY (US);

James Perry, Utica, KY (US);

J. Kevin Whear, Utica, KY (US);

Assignee:

Daramic, LLC, Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/383 (2021.01); H01M 10/12 (2006.01);
U.S. Cl.
CPC ...
H01M 50/383 (2021.01); H01M 10/12 (2013.01); H01M 2220/20 (2013.01); Y02E 60/10 (2013.01);
Abstract

New or improved lead acid batteries with vapor pressure barriers and/or improved battery separators, as well as systems, vehicles, and/or methods of manufacture and/or use thereof are disclosed herein. In at least select embodiments, the instant disclosure provides new or improved lead acid batteries with a vapor pressure barrier. In at least select embodiments, the instant disclosure provides new or improved lead acid battery vapor pressure barriers along with new or improved battery separators, and/or methods of manufacture and/or use thereof. In at least select embodiments, the instant disclosure provides a new or improved lead acid battery with a vapor pressure barrier that reduces the water loss from the battery. In at least select embodiments, a method of reducing the water loss of a lead acid battery may include providing a vapor pressure barrier, such as a layer of oil, inside the lead acid battery along with an improved battery separator.


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