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Illustrations of the Zn-MnO2 battery being placed under foot and going through car run-over and discharge curves of the battery after 2 days’ everyday treading and after 20 times of random run-over by cars on road. All the discharge curves were recorded at 0.924 Ag−1 (3C rate). Reproduced with permission from [154]. Copyright 2018 Elsevier.
