US 12,009,489 B2
Desulfation of lead acid batteries using electrolyte agitator
YiChun Yan, Shanghai (CN); Dave G. Rich, Sterling Heights, MI (US); Saad Hasan, Detroit, MI (US); Lyall K. Winger, Waterloo (CA); and Varsha K. Sadekar, Detroit, MI (US)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Appl. No. 17/289,387
Filed by GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
PCT Filed Nov. 9, 2018, PCT No. PCT/CN2018/114774
§ 371(c)(1), (2) Date Apr. 28, 2021,
PCT Pub. No. WO2020/093359, PCT Pub. Date May 14, 2020.
Prior Publication US 2021/0399354 A1, Dec. 23, 2021
Int. Cl. H01M 10/48 (2006.01); H01M 10/42 (2006.01)
CPC H01M 10/484 (2013.01) [H01M 10/425 (2013.01); H01M 2010/4278 (2013.01); H01M 2220/20 (2013.01); H01M 2300/0011 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A battery maintenance system comprising:
an enclosure including a plurality of walls;
a plurality of battery cells located in the enclosure and surrounded by electrolyte; and
an electrolyte agitator attached to an outer surface of at least one of the walls of the enclosure, the electrolyte agitator configured to selectively agitate the electrolyte.