Carbide composite nanowire as bifunctional electrocatalyst for lithium oxygen batteries
- Authors
- Christy, Maria; Arul, Anupriya; Kim, Youngbeom
- Issue Date
- Mar-2019
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Bifunctional catalyst; Carbide; Li-O-2 battery; Nanowire; Oxygen evolution reaction; Oxygen reduction reaction
- Citation
- ELECTROCHIMICA ACTA, v.300, pp.186 - 192
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTROCHIMICA ACTA
- Volume
- 300
- Start Page
- 186
- End Page
- 192
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/14992
- DOI
- 10.1016/j.electacta.2019.01.099
- ISSN
- 0013-4686
- Abstract
- 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.
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