Resolving the Grain Boundary and Lattice Impedance of Hot-Pressed Li7La3Zr2O12 Garnet Electrolytes

Wyatt E. Tenhaeff; Ezhiyl Rangasamy; Yangyang Wang; Alexei P. Sokolov; Jeff Wolfenstine; Jeffrey Sakamoto; Nancy J. Dudney

doi:10.1002/celc.201300022

Resolving the Grain Boundary and Lattice Impedance of Hot-Pressed Li₇La₃Zr₂O₁₂ Garnet Electrolytes

Wyatt E. Tenhaeff, Ezhiyl Rangasamy, Yangyang Wang, Alexei P. Sokolov, Jeff Wolfenstine, Jeffrey Sakamoto, Nancy J. Dudney

Research output: Contribution to journal › Article › peer-review

121 Scopus citations

Abstract

Rock solid: The cubic-stabilized garnet solid electrolyte with a nominal composition of Li_6.28Al_0.24La₃Zr₂O₁₂ is thoroughly characterized by impedance spectroscopy. By varying the frequency of the applied AC signal over 11 orders of magnitude for characterizations from -100 to +60°C, the relative contributions of grain and grain boundary conduction are unambiguously resolved.

Original language	English
Pages (from-to)	375-378
Number of pages	4
Journal	ChemElectroChem
Volume	1
Issue number	2
DOIs	https://doi.org/10.1002/celc.201300022
State	Published - Feb 1 2014

Keywords

Ceramics
Energy storage
Impedance spectroscopy
Lithium
Solid electrolyte

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This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1002/celc.201300022

Cite this

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title = "Resolving the Grain Boundary and Lattice Impedance of Hot-Pressed Li7La3Zr2O12 Garnet Electrolytes",

abstract = "Rock solid: The cubic-stabilized garnet solid electrolyte with a nominal composition of Li6.28Al0.24La3Zr2O12 is thoroughly characterized by impedance spectroscopy. By varying the frequency of the applied AC signal over 11 orders of magnitude for characterizations from -100 to +60°C, the relative contributions of grain and grain boundary conduction are unambiguously resolved.",

keywords = "Ceramics, Energy storage, Impedance spectroscopy, Lithium, Solid electrolyte",

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AU - Rangasamy, Ezhiyl

AU - Wang, Yangyang

AU - Sokolov, Alexei P.

AU - Wolfenstine, Jeff

AU - Sakamoto, Jeffrey

AU - Dudney, Nancy J.

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KW - Ceramics

KW - Energy storage

KW - Impedance spectroscopy

KW - Lithium

KW - Solid electrolyte

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