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(a) Cycling curves for a commercially made cylindrical Zn–MnO2 cell containing 36 wt.% hydrogel nameplated at 70 Ah. (b) Maximum and minimum voltage fade for a commercially made cylindrical Zn–MnO2 cell containing 36 wt.% hydrogel nameplated at 70 Ah. (c) Capacity retention for a commercially made cylindrical Zn–MnO2 cell containing 36 wt.% hydrogel nameplated at 70 Ah.
