Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 14, Issue 16, Pages 5512-5517Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cp40546f
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Funding
- Daihatsu Motor Co.
- National Science Foundation through the NSF GRFP
- National Science Foundation through the NSF NSMS
- National Science Foundation through the IGERT
- Center for Emerging Energy Technologies
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This article reports the synthesis and performance of unsupported Ni1-xZnx electrocatalysts for the oxidation of hydrazine in alkaline media. Characterization of these catalysts was achieved using XRD, SEM, and TEM to confirm phase compositions, crystal structures, and morphologies. High performance was observed for the alpha-Ni0.87Zn0.13 and beta(1)-Ni0.50Zn0.50 electrocatalysts with an onset potential of -0.15 V (vs. RHE) and a mass activity of 4000-3800 A g(cat)(-1) at 0.4 V (vs. RHE), respectively. Additionally, in situ IRRAS studies were conducted to understand the mechanism of oxidation. These results demonstrate the feasibility of Ni1-xZnx catalysts for direct hydrazine anionic fuel cells.
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