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. 2018 Mar 23;4(3):eaar7180. doi: 10.1126/sciadv.aar7180

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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. 3 — The stability test was performed under air/H₂, 100% RH (cathode/anode). (A) The performance at 0.5 A/cm² is normalized to the beginning-of-test (BOT) performance at 0.5 A/cm². (B) Absolute differences in BOT versus end-of-test (EOT) performances.