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. 2018 Sep 12;9:3702. doi: 10.1038/s41467-018-06043-1

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — Methanol and ethanol tolerance tests. Cyclic voltammetry (CV) curves of the dendritic Pd₅₉Cu₃₀Co₁₁ nanoalloys and the commercial Pt/C in N₂-saturated 0.1 mol L⁻¹ (M) potassium hydroxide (KOH) + 0.1 M methanol (CH₃OH) (a) or ethanol (CH₃CH₂OH) (c) solution at 50 mV s⁻¹. Oxygen reduction reaction (ORR) polarization curves of the dendritic Pd₅₉Cu₃₀Co₁₁ nanoalloys and the commercial Pt/C in O₂-saturated 0.1 M KOH + 0.1 M methanol (b) or ethanol (d) solution at 10 mV s⁻¹ and rotation rate of 1600 rpm