Solid State Ionics, volume 300, pages 38-45

Electrical, mechanical and chemical behavior of Li1.2Zr1.9Sr0.1(PO4)3

Sheila R Smith 1
Travis Thompson 1
Jan Allen 2
D R Baker 2
Jeff Wolfenstine 2
2
 
Army Research Laboratory, RDRL-SED-C, 2800 Powder Mill Road, Adelphi, MD 20783 (United States)
Publication typeJournal Article
Publication date2017-02-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.2
ISSN01672738
General Chemistry
Condensed Matter Physics
General Materials Science
Abstract
The elastic modulus, fracture toughness, ionic conductivity, Li and water stability of dense (~ 97%) fine-grain (~ 10 μm) Li 1.2 Zr 1.9 Sr 0.1 (PO 4 ) 3 (LZSP) consolidated by reactive hot-pressing was investigated. Low values of elastic modulus (25.2 and 40.9 GPa), fracture toughness (0.29 and 0.37 MPa-m 1/2 ), total conductivity (2.1 × 10 − 5  S/cm) at room temperature were exhibited as a result of the presence of microcracks formed during cooling from the hot-pressing temperature. The lattice conductivity of LZSP is 0.85 × 10 − 4  S/cm with an activation energy for bulk conductivity of 0.29 eV. The results of Li/LZSP/Li cell impedance as a function of time and surface examination suggest that LZSP is not stable against metallic lithium. The results of the water stability test suggest that LZSP is a possible membrane for use in aqueous Li-Air cells. The results of this study reveal for the case of lithium zirconium phosphates are as follows: 1] a small grain size is required to prevent microcracking to avoid a reduction in total conductivity and mechanical properties and 2] even though they do not contain a transition metal cation they are not stable against Li at room temperature.

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Smith S. R. et al. Electrical, mechanical and chemical behavior of Li1.2Zr1.9Sr0.1(PO4)3 // Solid State Ionics. 2017. Vol. 300. pp. 38-45.
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Smith S. R., Thompson T., Sakamoto J., Allen J., Baker D. R., Wolfenstine J. Electrical, mechanical and chemical behavior of Li1.2Zr1.9Sr0.1(PO4)3 // Solid State Ionics. 2017. Vol. 300. pp. 38-45.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ssi.2016.11.032
UR - https://doi.org/10.1016/j.ssi.2016.11.032
TI - Electrical, mechanical and chemical behavior of Li1.2Zr1.9Sr0.1(PO4)3
T2 - Solid State Ionics
AU - Smith, Sheila R
AU - Thompson, Travis
AU - Sakamoto, Jeff
AU - Allen, Jan
AU - Baker, D R
AU - Wolfenstine, Jeff
PY - 2017
DA - 2017/02/01 00:00:00
PB - Elsevier
SP - 38-45
VL - 300
SN - 0167-2738
ER -
BibTex
Cite this
BibTex Copy
@article{2017_Smith,
author = {Sheila R Smith and Travis Thompson and Jeff Sakamoto and Jan Allen and D R Baker and Jeff Wolfenstine},
title = {Electrical, mechanical and chemical behavior of Li1.2Zr1.9Sr0.1(PO4)3},
journal = {Solid State Ionics},
year = {2017},
volume = {300},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016/j.ssi.2016.11.032},
pages = {38--45},
doi = {10.1016/j.ssi.2016.11.032}
}
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