Electrochemical Intercalation of Calcium and Magnesium in TiS2: Fundamental Studies Related to Multivalent Battery Applications
Deyana Tchitchekova
1
,
Roberta Verrelli
1
,
Thibault Broux
1
,
C. Frontera
1
,
Andrea Sorrentino
2
,
Fanny Barde
3
,
N. Biškup
4, 5
,
1
3
Toyota Motor Europe, Research & Development 3, Advanced Technology 1, Technical Centre, Hoge Wei 33 B, B-1930 Zaventem, Belgium
|
Publication type: Journal Article
Publication date: 2018-01-30
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
A comparative study of the electrochemical intercalation of Ca2+ and Mg2+ in layered TiS2 using alkylcarbonate-based electrolytes is reported, and for the first time, reversible electrochemical Ca2+ insertion is proved in this compound using both X-ray diffraction and differential absorption X-ray tomography at the Ca L2 edge. Different new phases are formed upon M2+ insertion that are structurally characterized, their amount and composition being dependent on M2+ and the experimental conditions. The first phase formed upon reduction is found to be the result of an ion-solvated intercalation mechanism, with solvent molecule(s) being cointercalated with the M2+ cation. Upon further reduction, new non-cointercalated calcium-containing phases seem to form at the expense of unreacted TiS2. The calculated activation energy barriers for Ca2+ migration in TiS2 (0.75 eV) are lower than those previously reported for Mg (1.14 eV) at the dilute limit and within the CdI2 structural type. DFT results indicate that the...
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133
Total citations:
133
Citations from 2024:
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(28%)
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Tchitchekova D. et al. Electrochemical Intercalation of Calcium and Magnesium in TiS2: Fundamental Studies Related to Multivalent Battery Applications // Chemistry of Materials. 2018. Vol. 30. No. 3. pp. 847-856.
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Tchitchekova D., Ponrouch A., Verrelli R., Broux T., Frontera C., Sorrentino A., Barde F., Biškup N., Arroyo-de Dompablo M. E., Palacin M. R. Electrochemical Intercalation of Calcium and Magnesium in TiS2: Fundamental Studies Related to Multivalent Battery Applications // Chemistry of Materials. 2018. Vol. 30. No. 3. pp. 847-856.
Cite this
RIS
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TY - JOUR
DO - 10.1021/acs.chemmater.7b04406
UR - https://doi.org/10.1021/acs.chemmater.7b04406
TI - Electrochemical Intercalation of Calcium and Magnesium in TiS2: Fundamental Studies Related to Multivalent Battery Applications
T2 - Chemistry of Materials
AU - Tchitchekova, Deyana
AU - Ponrouch, Alexandre
AU - Verrelli, Roberta
AU - Broux, Thibault
AU - Frontera, C.
AU - Sorrentino, Andrea
AU - Barde, Fanny
AU - Biškup, N.
AU - Arroyo-de Dompablo, M. Elena
AU - Palacin, M. Rosa
PY - 2018
DA - 2018/01/30
PB - American Chemical Society (ACS)
SP - 847-856
IS - 3
VL - 30
SN - 0897-4756
SN - 1520-5002
ER -
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@article{2018_Tchitchekova,
author = {Deyana Tchitchekova and Alexandre Ponrouch and Roberta Verrelli and Thibault Broux and C. Frontera and Andrea Sorrentino and Fanny Barde and N. Biškup and M. Elena Arroyo-de Dompablo and M. Rosa Palacin},
title = {Electrochemical Intercalation of Calcium and Magnesium in TiS2: Fundamental Studies Related to Multivalent Battery Applications},
journal = {Chemistry of Materials},
year = {2018},
volume = {30},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/acs.chemmater.7b04406},
number = {3},
pages = {847--856},
doi = {10.1021/acs.chemmater.7b04406}
}
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Tchitchekova, Deyana, et al. “Electrochemical Intercalation of Calcium and Magnesium in TiS2: Fundamental Studies Related to Multivalent Battery Applications.” Chemistry of Materials, vol. 30, no. 3, Jan. 2018, pp. 847-856. https://doi.org/10.1021/acs.chemmater.7b04406.
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