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. 2022 Jan 20;14(3):417. doi: 10.3390/polym14030417

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(a) Comparison of a control (liquid) and hydrogel-containing Zn–MnO₂ prismatic cell that is overdischarged. (b) Capacity retention of a control (liquid) and hydrogel-containing Zn–MnO₂ prismatic cell that is overdischarged.