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. 2018 Mar 2;4(3):eaao1761. doi: 10.1126/sciadv.aao1761

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Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 5 — (A) In situ UV-vis spectra of Zn-C4Q batteries with a Nafion separator. (B) In situ UV-vis spectra of Zn-C4Q batteries without a Nafion separator. These reformed batteries were discharged and charged at the current density of 100 mA g⁻¹, and the UV-vis spectra were collected every 10 min.