Aerosol-derived Ni1−xZnx electrocatalysts for direct hydrazinefuel cells

Literature Information

Publication Date 2012-03-02
DOI 10.1039/C2CP40546F
Impact Factor 3.676
Authors

Ulises Martinez, Koichiro Asazawa, Barr Halevi, Akinbayowa Falase, Boris Kiefer, Alexey Serov, Monica Padilla, Tim Olson, Abhaya Datye, Hirohisa Tanaka, Plamen Atanassov


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Abstract

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 α-Ni0.87Zn0.13 and β1-Ni0.50Zn0.50 electrocatalysts with an onset potential of −0.15 V (vs. RHE) and a mass activity of 4000–3800 A gcat−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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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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