Journal
JOURNAL OF ENERGY CHEMISTRY
Volume 44, Issue -, Pages 1-7Publisher
ELSEVIER
DOI: 10.1016/j.jechem.2019.09.008
Keywords
Zinc-air battery; Power density; Oxygen reduction reaction; Non-noble metal catalysts
Funding
- National Science Fund for Excellent Young Scholars [51722103]
- National Natural Science Foundation of China [51571149, 21576202]
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Zinc-air batteries provide a great potential for future large-scale energy storage. We assess the test factors that mainly affect the measured power density of the zinc-air battery. By fitting the polarization curves of the zinc-air batteries, we reveal the effect of testing parameters (electrode distance, electrolyte concentration, and oxygen flux) and preparation of catalysts ink on the activation, ohm, and concentration polarizations of the zinc-air battery. Finally, recommendations on evaluating the potentials of non-noble-metal electrocatalysts for applications in zinc-air batteries were given. (C) 2019 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
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