期刊
ELECTROCHIMICA ACTA
卷 300, 期 -, 页码 186-192出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2019.01.099
关键词
Bifunctional catalyst; Carbide; Li-O-2 battery; Nanowire; Oxygen evolution reaction; Oxygen reduction reaction
资金
- program for fostering next-generation researchers in engineering of National Research Foundation of Korea - Ministry of Science, ICT & Future Planning [2017H1D8A2032495]
Producing low-cost non-precious metal catalysts in large scales to be used as air-cathodes for efficient oxygen reduction and evolution reactions in Li-O-2 batteries is a demanding task. Herein, we report a simple technique for the synthesis of a carbide composite comprising molybdenum and tungsten with a robust nanowire structure. When applied as an air-cathode electrocatalyst in Li-O-2 batteries, the nanowire composite delivered high specific discharge capacity with reversibility and cyclability. This work provides a novel approach for tailoring nano-architectures and thereby achieving high-power Li-air batteries. (C) 2019 Elsevier Ltd. All rights reserved.
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