Journal
ELECTROCHIMICA ACTA
Volume 182, Issue -, Pages 1118-1123Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.09.130
Keywords
tetrathiafulvalene; lithium air batteries; soluble catalyst; ORR, redox titration
Categories
Funding
- CONICET
- ANPCyT [1452]
Ask authors/readers for more resources
One of the challenges for the success of electric vehicles is to achieve a non aqueous Li-O-2 battery efficient in the oxidation of solid Li2O2 during battery charging. Bruce et al. have proposed that soluble tetrathiofulvalene (TTF) in the electrolyte, makes it possible to recharge the battery at high current densities and low over-potential. We disclose here a detailed study of Li2O2 and solvent degradation products oxidation on gold electrode in 0.1 M LiPF6 DMSO electrolyte with soluble TTF using a variety of techniques: rotating ring disk electrode (RRDE), scanning electrochemical microscopy (SECM), electrochemical quartz crystal microbalance (EQCM) and atomic force microscopy (AFM). The experimental evidence demonstrates that it is possible recover a clean Au surface using TTF as a soluble catalyst that titrates the surface products formed during the O-2 reduction. (C) 2015 Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available