Journal
ELECTROCHIMICA ACTA
Volume 133, Issue -, Pages 407-413Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2014.04.077
Keywords
Ionic liquid crystal; Flower-like bimetallic alloys; Reduced graphene oxide; Oxygen reduction reaction
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Funding
- NSFC [21175118, 21275130, 21275131]
- Zhejiang province university young academic leaders of academic climbing project [pd2013055]
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A simple and facile one-pot solvothermal method is developed for preparation of flower-like PtAg alloys uniformly supported on reduced graphene oxide nanosheets (flower-like PtAg/RGOs). Ionic liquid crystal (1-hexadecyl-2,3-dimethylimidazolium bromide, [C(16)MMIm]13r) is used as a capping agent and a structure directing agent. The as-prepared nanocomposites show the larger electrochemically active surface area, better catalytic activity, higher methanol tolerant activity, and longer-term durability for oxygen reduction reaction, compared with commercial Pt black, Pt-C (10 wt %), and RGOs catalysts. (C) 2014 Elsevier Ltd. All rights reserved.
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