Zinc–Air Batteries: A Ternary Ni46Co40Fe14 Nanoalloy‐Based Oxygen Electrocatalyst for Highly Efficient Rechargeable Zinc–Air Batteries (Adv. Mater. 46/2018)

In article number 1803372, Min Gyu Kim, Sang Kyu Kwak, Jaephil Cho, and co‐workers synthesize a Ni46Co40Fe14 ternary‐nanoalloy‐based oxygen electrocatalyst for Zn–air batteries by supercritical reaction and heat treatment. Both theoretical calculation and in situ X‐ray absorption spectroscopy demons...

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Veröffentlicht in:Advanced materials (Weinheim) 2018-11, Vol.30 (46), p.n/a
Hauptverfasser: Nam, Gyutae, Son, Yeonguk, Park, Sung O, Jeon, Woo Cheol, Jang, Haeseong, Park, Joohyuk, Chae, Sujong, Yoo, Youngshin, Ryu, Jaechan, Kim, Min Gyu, Kwak, Sang Kyu, Cho, Jaephil
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Sprache:eng
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Zusammenfassung:In article number 1803372, Min Gyu Kim, Sang Kyu Kwak, Jaephil Cho, and co‐workers synthesize a Ni46Co40Fe14 ternary‐nanoalloy‐based oxygen electrocatalyst for Zn–air batteries by supercritical reaction and heat treatment. Both theoretical calculation and in situ X‐ray absorption spectroscopy demonstrate that the Ni46Co40Fe14 can undergo site‐selective adsorption during oxygen reduction and evolution reactions due to the charge transfer between the transition metals, which is thought to be responsible for the high Zn–air‐battery performance.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201870346