期刊
ELECTROCHIMICA ACTA
卷 90, 期 -, 页码 63-70出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2012.12.020
关键词
Li-air battery; Graphene; Hybrid catalyst; Catalytic effect; Electrolyte
资金
- National Research Foundation of Korea
- Korean Government (MEST) [NRF-2009-0094219]
- Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Korea government Ministry of Knowledge Economy [20114010203120]
- Industrial Strategic Technology Development Program [10038617]
- Ministry of Knowledge Economy (MKE, KOREA)
- Energy Efficiency and Resources R&D program under the Ministry of Knowledge Economy, Republic of Korea [20112020100070]
We synthesized a hybrid graphene/Co3O4 catalyst by a simple chemical reduction method, and demonstrated that a Li-O-2 cell with the hybrid catalyst delivers a highly reversible capacity. We examined the role of the catalyst in Li-O-2 batteries and through careful analyses of the reactions in the battery, we found that the reaction path fundamentally changes with the use of catalyst, and propose a mechanism of how the rechargeability is improved in Li-O-2 batteries. (c) 2012 Elsevier Ltd. All rights reserved.
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