Chemistry of Materials, volume 26, issue 16, pages 4741-4749

Lithium-Ion Trapping from Local Structural Distortions in Sodium Super Ionic Conductor (NASICON) Electrolytes

Brian E Francisco 1
Conrad R. Stoldt 1
Jean Claude Mpeko 2
1
 
Department of Mechanical Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
2
 
Grupo Crescimento de Cristais e Materiais Cerâmicos, Instituto de Física de São Carlos, Universidade de São Paulo, 13560-970 São Carlos, SP, Brazil
Publication typeJournal Article
Publication date2014-08-08
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
Herein, we report a study on the structural and thermodynamic effects that cation size disparity may have in NASICON-type solid solutions. A sol–gel procedure was used to synthesize two new NASICON-type lithium-ion conductors with nominal compositions LiGe2–ySny(PO4)3 and Li1+xAlxGe2–y–(1/2)xSny–(1/2)x(PO4)3. The effect of tin substitution on structure and lithium-ion conductivity was studied with powder X-ray diffraction, Raman spectroscopy, and dielectric spectroscopy. It is found that, although increased unit-cell dimensions derived from X-ray data suggest that tin incorporation should open the conduction bottleneck regions and improve conductivity, a decrease in conductivity is observed. Analysis of the electrical data shows that the conduction activation energy is comprised of contributions from carrier motion and generation, the latter accounting for up to 20% of the total activation energy. This result, currently unreported for NASICON-type materials, is correlated with local structural distortions...

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GOST Copy
Francisco B. E., Stoldt C. R., Mpeko J. C. Lithium-Ion Trapping from Local Structural Distortions in Sodium Super Ionic Conductor (NASICON) Electrolytes // Chemistry of Materials. 2014. Vol. 26. No. 16. pp. 4741-4749.
GOST all authors (up to 50) Copy
Francisco B. E., Stoldt C. R., Mpeko J. C. Lithium-Ion Trapping from Local Structural Distortions in Sodium Super Ionic Conductor (NASICON) Electrolytes // Chemistry of Materials. 2014. Vol. 26. No. 16. pp. 4741-4749.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/cm5013872
UR - https://doi.org/10.1021/cm5013872
TI - Lithium-Ion Trapping from Local Structural Distortions in Sodium Super Ionic Conductor (NASICON) Electrolytes
T2 - Chemistry of Materials
AU - Francisco, Brian E
AU - Stoldt, Conrad R.
AU - Mpeko, Jean Claude
PY - 2014
DA - 2014/08/08 00:00:00
PB - American Chemical Society (ACS)
SP - 4741-4749
IS - 16
VL - 26
SN - 0897-4756
SN - 1520-5002
ER -
BibTex |
Cite this
BibTex Copy
@article{2014_Francisco,
author = {Brian E Francisco and Conrad R. Stoldt and Jean Claude Mpeko},
title = {Lithium-Ion Trapping from Local Structural Distortions in Sodium Super Ionic Conductor (NASICON) Electrolytes},
journal = {Chemistry of Materials},
year = {2014},
volume = {26},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/cm5013872},
number = {16},
pages = {4741--4749},
doi = {10.1021/cm5013872}
}
MLA
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MLA Copy
Francisco, Brian E., et al. “Lithium-Ion Trapping from Local Structural Distortions in Sodium Super Ionic Conductor (NASICON) Electrolytes.” Chemistry of Materials, vol. 26, no. 16, Aug. 2014, pp. 4741-4749. https://doi.org/10.1021/cm5013872.
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