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Issue 28, 2014
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Sodium superionic conduction in Na2B12H12

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Abstract

Impedance measurements indicate that Na2B12H12 exhibits dramatic Na+ conductivity (on the order of 0.1 S cm−1) above its order-disorder phase-transition at ≈529 K, rivaling that of current, solid-state, ceramic-based, Na-battery electrolytes. Superionicity may be aided by the large size, quasispherical shape, and high rotational mobility of the B12H122− anions.

Graphical abstract: Sodium superionic conduction in Na2B12H12

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Article information


Submitted
27 Dec 2013
Accepted
20 Feb 2014
First published
21 Feb 2014

Chem. Commun., 2014,50, 3750-3752
Article type
Communication
Author version available

Sodium superionic conduction in Na2B12H12

T. J. Udovic, M. Matsuo, A. Unemoto, N. Verdal, V. Stavila, A. V. Skripov, J. J. Rush, H. Takamura and S. Orimo, Chem. Commun., 2014, 50, 3750
DOI: 10.1039/C3CC49805K

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