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Dr. Wyatt E. Tenhaeff, Dr. Ezhiyl Rangasamy, Dr. Yangyang Wang, Dr. Alexei P. Sokolov, Dr. Jeff Wolfenstine, Dr. Jeffrey Sakamoto and Dr. Nancy J. Dudney Resolving the Grain Boundary and Lattice Impedance of Hot-Pressed Li7La3Zr2O12 Garnet Electrolytes ChemElectroChem 1

Article first published online: 24 JUL 2013 | DOI: 10.1002/celc.201300022

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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.

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