CPC H01M 10/0565 (2013.01) [H01M 10/0567 (2013.01); H01M 10/0569 (2013.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/42 (2021.01); H01M 50/423 (2021.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01); H01M 50/457 (2021.01); H01M 50/491 (2021.01); H01M 2300/0011 (2013.01); H01M 2300/0091 (2013.01)] | 20 Claims |
1. A method of reducing acid stratification in a battery, the method comprising:
introducing an acid-soluble and acid-stable polymer into an aqueous electrolyte of a battery, to thereby increase the viscosity of the aqueous electrolyte;
wherein the acid-soluble and acid-stable polymer comprises at least one of:
polyvinyl pyrrolidone;
polyacrylamide;
copolymers comprising at least one of polyvinyl pyrrolidone or polyacrylamide; or
mixtures comprising at least one of polyvinyl pyrrolidone or polyacrylamide.
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