US 12,142,767 B2
Metal oxides in lead-acid batteries
Cormac O'Keeffe, Sligo (IE); Anita Hamilton, Sligo (IE); and Marvin Ho, Hammond, IN (US)
Assigned to Trojan Battery Company, LLC, Santa Fe Springs, CA (US)
Filed by TROJAN BATTERY COMPANY, LLC, Santa Fe Springs, CA (US)
Filed on Jun. 24, 2021, as Appl. No. 17/357,141.
Application 17/357,141 is a continuation of application No. 16/575,572, filed on Sep. 19, 2019, abandoned.
Application 16/575,572 is a continuation of application No. 15/673,344, filed on Aug. 9, 2017, abandoned.
Claims priority of provisional application 62/372,688, filed on Aug. 9, 2016.
Prior Publication US 2021/0320300 A1, Oct. 14, 2021
Int. Cl. H01M 4/62 (2006.01); H01M 4/14 (2006.01); H01M 4/16 (2006.01); H01M 4/66 (2006.01); H01M 4/72 (2006.01); H01M 10/10 (2006.01); H01M 10/12 (2006.01); H01M 50/446 (2021.01)
CPC H01M 4/628 (2013.01) [H01M 4/14 (2013.01); H01M 4/16 (2013.01); H01M 4/662 (2013.01); H01M 4/72 (2013.01); H01M 10/10 (2013.01); H01M 10/12 (2013.01); H01M 50/446 (2021.01); H01M 2300/0011 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An electrolyte solution for a lead acid battery, the electrolyte solution comprising:
an electrolyte; and
TiO2 in an amount sufficient to suppress migration of antimony from a positive electrode plate to a negative electrode plate of the lead acid battery.