Li2 Cu2 O(SO4 )2 : A possible electrode for sustainable li-based batteries showing a 4.7 V redox activity vs Li+/Li0
Meiling Sun
1
,
Gwenaelle Rousse
1, 2, 3
,
Matthieu Saubanère
3, 5
,
Marie-Liesse Doublet
3, 5
,
Juan Rodriguez-Carvajal
6
,
Gustaaf Van Tendeloo
4
,
Jean-Marie Tarascon
1, 2, 3
3
Publication type: Journal Article
Publication date: 2015-04-07
scimago Q1
wos Q1
SJR: 2.065
CiteScore: 12.0
Impact factor: 7.0
ISSN: 08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
Li-ion batteries rely on the use of insertion positive electrodes with performances scaling with the redox potential of the 3D metals accompanying Li-uptake/removal. Although not commonly studied, the Cu2+/Cu3+ redox potential has been predicted from theoretical calculations to possibly offer a high operating voltage redox couple. We herein report the synthesis and crystal structure of a hitherto-unknown oxysulfate phase, Li2Cu2O(SO4)2, which contains infinite edge-sharing CuO4 chains and presents attractive electrochemical redox activity with respect to Li+/Li, namely amphoteric characteristics. Li2Cu2O(SO4)2 shows redox activity at 4.7 V vs Li+/Li0 corresponding to the oxidation of Cu2+ to Cu3+ enlisting ligand holes and associated with the reversible uptake-removal of 0.3 Li. Upon reduction, this compound reversibly uptakes ∼2 Li at an average potential of about 2.5 V vs Li+/Li0, associated with the Cu2+/Cu+ redox couple. The mechanism of the reactivity upon reduction is discussed in detail, with parti...
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34
Total citations:
34
Citations from 2024:
3
(8.82%)
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GOST
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Sun M. et al. Li2Cu2O(SO4)2: A possible electrode for sustainable li-based batteries showing a 4.7 V redox activity vs Li+/Li0 // Chemistry of Materials. 2015. Vol. 27. No. 8. pp. 3077-3087.
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Sun M., Rousse G., Abakumov A. M., Saubanère M., Doublet M., Rodriguez-Carvajal J., Van Tendeloo G., Tarascon J. Li2Cu2O(SO4)2: A possible electrode for sustainable li-based batteries showing a 4.7 V redox activity vs Li+/Li0 // Chemistry of Materials. 2015. Vol. 27. No. 8. pp. 3077-3087.
Cite this
RIS
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TY - JOUR
DO - 10.1021/acs.chemmater.5b00588
UR - https://doi.org/10.1021/acs.chemmater.5b00588
TI - Li2Cu2O(SO4)2: A possible electrode for sustainable li-based batteries showing a 4.7 V redox activity vs Li+/Li0
T2 - Chemistry of Materials
AU - Sun, Meiling
AU - Rousse, Gwenaelle
AU - Abakumov, Artem M.
AU - Saubanère, Matthieu
AU - Doublet, Marie-Liesse
AU - Rodriguez-Carvajal, Juan
AU - Van Tendeloo, Gustaaf
AU - Tarascon, Jean-Marie
PY - 2015
DA - 2015/04/07
PB - American Chemical Society (ACS)
SP - 3077-3087
IS - 8
VL - 27
SN - 0897-4756
SN - 1520-5002
ER -
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BibTex (up to 50 authors)
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@article{2015_Sun,
author = {Meiling Sun and Gwenaelle Rousse and Artem M. Abakumov and Matthieu Saubanère and Marie-Liesse Doublet and Juan Rodriguez-Carvajal and Gustaaf Van Tendeloo and Jean-Marie Tarascon},
title = {Li2Cu2O(SO4)2: A possible electrode for sustainable li-based batteries showing a 4.7 V redox activity vs Li+/Li0},
journal = {Chemistry of Materials},
year = {2015},
volume = {27},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/acs.chemmater.5b00588},
number = {8},
pages = {3077--3087},
doi = {10.1021/acs.chemmater.5b00588}
}
Cite this
MLA
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Sun, Meiling, et al. “Li2Cu2O(SO4)2: A possible electrode for sustainable li-based batteries showing a 4.7 V redox activity vs Li+/Li0.” Chemistry of Materials, vol. 27, no. 8, Apr. 2015, pp. 3077-3087. https://doi.org/10.1021/acs.chemmater.5b00588.
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