Journal
JOURNAL OF POWER SOURCES
Volume 284, Issue -, Pages 170-177Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2015.03.011
Keywords
Manganese phosphate; Platinum nanoparticles; Nanoflower; Electrocatalytic activity
Funding
- Program for the National Natural Science Foundation of China (NSFC) [51173172, 21104070]
- Science and Technology Opening Cooperation Project of Henan Province [132106000076]
- Key Project of Science and Technology of Education Department of Henan Province [14A150003]
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We report the production of a novel nanoflower material of Mn-3(PO4)(2)@BSA hybrid which is made of both protein and manganese (II) phosphate, and its application as a new support material for platinum nanoparticles (PtNPs). The Mn-3(PO4)(2)@BSA@PtNPs catalyst is synthesized using this new material. The average size of PtNPs on the Mn-3(PO4)(2)@BSA nanoflower is approximately 2 nm. The obtained Mn-3(PO4)(2)@BSA@PtNP5 nanocomposites are characterized by X-ray diffraction, high resolution transmission electron microscopy, and scanning electron microscopy. Electrochemical results show that the Mn-3(PO4)(2)@BSA@PtNP5 catalyst also shows excellent electrocatalytic activity toward methanol oxidation with higher electrochemically active surface area. The microstructure of the supporting material serves a crucial function in the electrochemical performance of the Pt-based catalyst. (C) 2015 Elsevier B.V. All rights reserved.
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