US 11,870,096 B2
Absorbent glass mat battery
Frank-Thomas Johns, Wunstorf (DE); Uwe Bitomsky, Niedersachsen (DE); Andreas Dudenbostel, Neustadt am Rbge. (DE); Matthew A. Spence, Lindenhurst, IL (US); Kavi G. Loganathan, Glendale, WI (US); Qingfang Shi, Brookfield, WI (US); and Cornelia Brendel, Wunstorf (DE)
Assigned to CPS Technology Holdings LLC, New York, NY (US); and Clarios Germany GmbH & Co. KG, Hannover (DE)
Filed by CPS Technology Holdings LLC, New York, NY (US); and Clarios Germany GmbH & Co. KG, Hannover (DE)
Filed on Aug. 5, 2022, as Appl. No. 17/882,035.
Application 17/882,035 is a continuation of application No. 16/620,299, granted, now 11,411,280, issued on Aug. 9, 2022, previously published as PCT/US2018/036767, filed on Jun. 8, 2018.
Claims priority of provisional application 62/661,444, filed on Apr. 23, 2018.
Claims priority of provisional application 62/584,499, filed on Nov. 10, 2017.
Claims priority of provisional application 62/530,718, filed on Jul. 10, 2017.
Claims priority of provisional application 62/517,737, filed on Jun. 9, 2017.
Prior Publication US 2023/0057730 A1, Feb. 23, 2023
Int. Cl. H01M 50/00 (2021.01); H01M 50/44 (2021.01); H01M 4/14 (2006.01); H01M 4/58 (2010.01); H01M 4/62 (2006.01); H01M 4/73 (2006.01); H01M 10/08 (2006.01); H01M 50/437 (2021.01); H01M 50/543 (2021.01); H01M 50/431 (2021.01); H01M 4/02 (2006.01); H01M 50/55 (2021.01)
CPC H01M 50/44 (2021.01) [H01M 4/14 (2013.01); H01M 4/5825 (2013.01); H01M 4/625 (2013.01); H01M 4/627 (2013.01); H01M 4/73 (2013.01); H01M 10/08 (2013.01); H01M 50/431 (2021.01); H01M 50/437 (2021.01); H01M 50/543 (2021.01); H01M 50/55 (2021.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01); H01M 2300/0011 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A lead-acid storage battery comprising:
a container with a cover, the container including one or more compartments;
one or more cell elements in the one or more compartments, the one or more cell elements comprising:
a positive plate, the positive plate having a positive grid and a positive electrochemically active material on the positive grid;
a negative plate, the negative plate having a negative grid and a negative electrochemically active material on the negative grid, wherein the negative electrochemically active material comprises fine particle size barium sulfate, an organic expander, and conductive carbon, the conductive carbon comprising activated carbon and 0.01 to 0.1 percent by weight carbon nanotubes; and
an absorbent glass mat separator between the positive plate and the negative plate;
electrolyte within the container; and
one or more terminal posts extending from the container or the cover and electrically coupled to the one or more cell elements.