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. 2020 May 22;6(21):eaay5098. doi: 10.1126/sciadv.aay5098

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Copyright © 2020 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. 2 — Schematic illustration of the sulfur species evolution on (A) Ni, (B) C, and (C) Al substrates during charging and discharging processes. Adsorption energy and configuration of S₈ adsorbed on (D) graphene zigzag edge, (E) nickel (111) surface covered by one layer of oxygen, and (F) aluminum (111) surface covered by one layer of oxygen.