期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 504, 期 -, 页码 363-370出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.05.058
关键词
Sheet-assembled alloy networks; L-Glutamic acid; Methanol oxidation reaction; Oxygen reduction reaction
资金
- National Natural Science Foundation of China [21475118]
In this work, bimetallic platinum-palladium sheet-assembled alloy networks (PtPd SAANs) were facilely synthesized by an eco-friendly one-pot aqueous approach under the guidance of L-glutamic acid at room temperature, without any additive, seed, toxic or organic solvent involved. L-Glutamic acid was served as the green shape-director and weak-stabilizing agent. A series of characterization techniques were employed to examine the morphology, structure and formation mechanism of the product. The architectures exhibited improved electrocatalytic activity and durable ability toward methanol oxidation reaction (MOR) and oxygen reduction reaction (ORR) in contrast with commercial Pt black and Pd black catalysts. This is ascribed to the unique structures of the obtained PtPd SAANs and the synergistic effects of the bimetals. These results demonstrate the potential application of the prepared catalyst in fuel cells. (C) 2017 Elsevier Inc. All rights reserved.
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