Journal
CHEMICAL ENGINEERING JOURNAL
Volume 421, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2020.127751
Keywords
PdBP; Doping; Formic acid oxidation; Nanorods; Electrocatalysts
Categories
Funding
- National Natural Science Foundation of China [21776255, 21701141, 21972126, 21978264, 21905250]
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This study introduces a ternary PdBP nanorods catalyst that demonstrates superior electrocatalytic activity for formic acid oxidation reaction, showcasing a potential avenue for developing advanced doped metal-based catalysts.
The popularization and commercialization of direct formic acid fuel cells require the development of superior electrocatalysts for formic acid oxidation reaction (FAOR). Herein, we report a ternary metal-metalloid-nonmetal PdBP catalyst that was fabricated via the co-doping of B and P elements into pre-synthesized Pd nanorods. Due to the coordinated enhancement of its rod-like structure and the doping of B and P, the structural and compositional advantages of ternary PdBP nanorods (PdBP NRs) can synergistically improve the electrocatalytic FAOR, achieving a mass activity of 1.32 mA mu g(Pd)(-1) and a specific activity of 4.58 mA cm(-2), which is superior to Pd NRs, PdB NRs, PdP NRs and commercial Pd black. This study may spotlight a compositional engineering avenue to develop newly advanced doped metal-based catalysts for electrocatalysis systems.
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