Journal
JOURNAL OF POWER SOURCES
Volume 225, Issue -, Pages 95-100Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2012.10.029
Keywords
Lithium-oxygen battery; Lithium peroxide; Electrolyte; Tris(pentafluorophenyl) borane; Solid electrolyte interphase
Funding
- MKE (The Ministry of Knowledge Economy), Korea, under the ITRC (Information Technology Research Center) [NIPA-2012-H0301-12-1009]
- National Research Foundation of Korea
- Korean Government (MEST) [NRF-2011-C1AAA001-0030538]
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Tris(pentafluorophenyl) borane (TPFPB) is evaluated as an additive for improving electrochemical performance of lithium peroxide (Li2O2)-based electrodes. It is found that TPFPB significantly reduced the charge potential of Li2O2-based electrodes during the first charge process and improved reversible capacity during cycling without adding air (or O-2) to the cell. To confirm the effect of TPFPB on electrolyte decomposition, the surface chemistry of Li2O2-based electrodes cycled in electrolytes with and without TPFPB was investigated. (C) 2012 Elsevier B.V. All rights reserved.
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