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. 2017 Jun 30;3(6):e1700580. doi: 10.1126/sciadv.1700580

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Copyright © 2017 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. 4 — Polarization (A and C) and power density curves (B and D) of the assembled DMFC at different methanol feed concentrations with selective catalysts (A and B) and commercial Pt/C catalysts (C and D); comparison of the assembled DMFC with selective and commercial Pt/C catalysts in terms of open circuit cell voltage (E) and power density (F).