Resolving the Grain Boundary and Lattice Impedance of Hot‐Pressed Li 7 La 3 Zr 2 O 12  Garnet Electrolytes | Zendy

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

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Resolving the Grain Boundary and Lattice Impedance of Hot‐Pressed Li 7 La 3 Zr 2 O 12 Garnet Electrolytes

Author(s) -

Tenhaeff Wyatt E.,

Rangasamy Ezhiyl,

Wang Yangyang,

Sokolov Alexei P.,

Wolfenstine Jeff,

Sakamoto Jeffrey,

Dudney Nancy J.

Publication year - 2014

Publication title -

chemelectrochem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 59

ISSN - 2196-0216

DOI - 10.1002/celc.201300022

Subject(s) - grain boundary , materials science , electrolyte , fast ion conductor , dielectric spectroscopy , analytical chemistry (journal) , electrical impedance , grain size , lattice (music) , thermal conduction , mineralogy , solid solution , condensed matter physics , chemistry , metallurgy , microstructure , composite material , electrode , physics , electrochemistry , chromatography , quantum mechanics , acoustics

Rock solid: The cubic‐stabilized garnet solid electrolyte with a nominal composition of Li 6.28 Al 0.24 La 3 Zr 2 O 12 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.

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