Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 164, Issue 9, Pages A1841-A1844Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0701709jes
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Funding
- JSPS KAKENHI [16K21288]
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Aluminum bis(trifluoromethanesulfonyl)imide (Al(TFSI)(3)) was synthesized by a simple substitution reaction and investigated as the Al3+ source for the electrolyte of a rechargeable Al battery. The electrochemical window was extended to 3.6 V with the electrolyte containing Al(TFSI)(3) in AN, whereas it was similar to 2.5 V with the conventional electrolyte for the Al rechargeable battery. A reversible electrochemical Al deposition/dissolution reaction was observed on a Mo plate electrode with small overpotential less than 0.5 V. NMR and Raman spectra identified the main Al species in the electrolyte as Al(TFSI-)(x)(AN)(6-x)(3-x) (x = 1 similar to 6). (C) 2017 The Electrochemical Society. All rights reserved.
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