A superior mulberry-like nanoparticle NiB binary catalyst for borohydride oxidation
CHEMICAL COMMUNICATIONS(2024)
摘要
A NiB binary catalyst with a unique mulberry-like nanoparticle morphology has been prepared by one-step electrodeposition. The NiB-0.2 catalyst exhibits excellent catalytic activity, selectivity, and stability for the borohydride oxidation reaction. Moreover, a direct borohydride fuel cell using the NiB-0.2 catalyst anode can deliver a peak power density of 453 mW cm-2 and open-circuit voltage of 1.96 V at 343 K. The improved performances are due to the introduction of B. This study may inspire the development of efficient noble-metal-free anode catalysts for DBFCs. A NiB binary catalyst composed of mulberry-like nanoparticles exhibits exceptional BOR performance due to the introduction of an appropriate amount of boron element.
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