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. 2020 Dec 22;13(1):9. doi: 10.3390/polym13010009

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© 2020 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 (http://creativecommons.org/licenses/by/4.0/).

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(A) The EDX curve of PVA/KOH/QMCC alkaline polymer electrolyte membranes at Spot 1. (B) The EDX curve of PVA/KOH/QMCC alkaline polymer electrolyte membranes at Spot 1’. (C) The EDX curve of PVA/KOH/QMCC alkaline polymer electrolyte membranes at Spot 2. (D) The EDX curve of PVA/KOH/QMCC alkaline polymer electrolyte membranes at Spot 2’. (E) The EDX curve of PVA/KOH/QMCC alkaline polymer electrolyte membranes at Spot 3. (F) The EDX curve of PVA/KOH/QMCC alkaline polymer electrolyte membranes at Spot 3’.