Tuning Surface Chemistry of TiC Electrodes for Lithium–Air Batteries
Anna Ya Kozmenkova
1
,
Elmar Yu Kataev
1
,
M. Amati
2
,
Luca Gregoratti
2
,
Axel Knop-Gericke
3
,
Boris Senkovsky
4
,
Denis Vyalikh
5, 6
,
Daniil Itkis
1
,
Yang Shao-Horn
7
,
6
Тип публикации: Journal Article
Дата публикации: 2016-11-04
scimago Q1
wos Q1
БС1
SJR: 2.065
CiteScore: 12.0
Impact factor: 7.0
ISSN: 08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Краткое описание
One of the key problems hindering practical implementation of lithium–air batteries is caused by carbon cathode chemical instability leading to low energy efficiency and short cycle life. Titanium carbide (TiC) nanopowders are considered as an alternative cathode material; however, they are intrinsically reactive toward oxygen, and its stability is controlled totally by a surface overlayers. Using photoemission spectroscopy, we show that lithium–air battery discharge product, lithium peroxide (Li2O2), easily oxidizes clean TiC surface. At the same time, TiC surface, which was treated by molecular oxygen under ambient conditions, shows much better stability in contact with Li2O2 that can be explained by the presence of a surface layer containing a significant amount of elemental carbon in addition to oxides and oxycarbides. Nevertheless, such protective coatings produced by room temperature oxidation are not practically useful as one of its components, elemental carbon, is oxidized in the presence of lithi...
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Kozmenkova A. Ya. et al. Tuning Surface Chemistry of TiC Electrodes for Lithium–Air Batteries // Chemistry of Materials. 2016. Vol. 28. No. 22. pp. 8248-8255.
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Kozmenkova A. Ya., Kataev E. Yu., Inozemtseva A. I., Amati M., Gregoratti L., Velasco-Velez J. J., Knop-Gericke A., Senkovsky B., Vyalikh D., Itkis D., Shao-Horn Y., Yashina L. V. Tuning Surface Chemistry of TiC Electrodes for Lithium–Air Batteries // Chemistry of Materials. 2016. Vol. 28. No. 22. pp. 8248-8255.
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TY - JOUR
DO - 10.1021/acs.chemmater.6b03195
UR - https://doi.org/10.1021/acs.chemmater.6b03195
TI - Tuning Surface Chemistry of TiC Electrodes for Lithium–Air Batteries
T2 - Chemistry of Materials
AU - Kozmenkova, Anna Ya
AU - Kataev, Elmar Yu
AU - Inozemtseva, Alina I
AU - Amati, M.
AU - Gregoratti, Luca
AU - Velasco-Velez, Juan J.
AU - Knop-Gericke, Axel
AU - Senkovsky, Boris
AU - Vyalikh, Denis
AU - Itkis, Daniil
AU - Shao-Horn, Yang
AU - Yashina, Lada V.
PY - 2016
DA - 2016/11/04
PB - American Chemical Society (ACS)
SP - 8248-8255
IS - 22
VL - 28
SN - 0897-4756
SN - 1520-5002
ER -
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@article{2016_Kozmenkova,
author = {Anna Ya Kozmenkova and Elmar Yu Kataev and Alina I Inozemtseva and M. Amati and Luca Gregoratti and Juan J. Velasco-Velez and Axel Knop-Gericke and Boris Senkovsky and Denis Vyalikh and Daniil Itkis and Yang Shao-Horn and Lada V. Yashina},
title = {Tuning Surface Chemistry of TiC Electrodes for Lithium–Air Batteries},
journal = {Chemistry of Materials},
year = {2016},
volume = {28},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/acs.chemmater.6b03195},
number = {22},
pages = {8248--8255},
doi = {10.1021/acs.chemmater.6b03195}
}
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MLA
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Kozmenkova, Anna Ya., et al. “Tuning Surface Chemistry of TiC Electrodes for Lithium–Air Batteries.” Chemistry of Materials, vol. 28, no. 22, Nov. 2016, pp. 8248-8255. https://doi.org/10.1021/acs.chemmater.6b03195.
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