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Haffner A, Hatz AK, Zeman OEO, et al. Polymorphism and Fast Potassium-Ion Conduction in the T5 Supertetrahedral Phosphidosilicate KSi. Angew Chem Int Ed Engl. 2021;60(24):13641-13646doi: 10.1002/anie.202101187.
Haffner, A., Hatz, A. K., Zeman, O. E. O., Hoch, C., Lotsch, B. V., & Johrendt, D. (2021). Polymorphism and Fast Potassium-Ion Conduction in the T5 Supertetrahedral Phosphidosilicate KSi. Angewandte Chemie (International ed. in English), 60(24), 13641-13646. https://doi.org/10.1002/anie.202101187
Haffner, Arthur, et al. "Polymorphism and Fast Potassium-Ion Conduction in the T5 Supertetrahedral Phosphidosilicate KSi." Angewandte Chemie (International ed. in English) vol. 60,24 (2021): 13641-13646. doi: https://doi.org/10.1002/anie.202101187
Haffner A, Hatz AK, Zeman OEO, Hoch C, Lotsch BV, Johrendt D. Polymorphism and Fast Potassium-Ion Conduction in the T5 Supertetrahedral Phosphidosilicate KSi. Angew Chem Int Ed Engl. 2021 Jun 07;60(24):13641-13646. doi: 10.1002/anie.202101187. Epub 2021 May 07. PMID: 33734533; PMCID: PMC8252096.
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Angew Chem Int Ed Engl. 2021 Jun 07;60(24):13641-13646. doi: 10.1002/anie.202101187. Epub 2021 May 07.

Polymorphism and Fast Potassium-Ion Conduction in the T5 Supertetrahedral Phosphidosilicate KSi.

Angewandte Chemie (International ed. in English)

Arthur Haffner, Anna-Katharina Hatz, Otto E O Zeman, Constantin Hoch, Bettina V Lotsch, Dirk Johrendt

Affiliations

  1. Department of Chemistry, Ludwig Maximilian University of Munich, Butenandtstrasse 5-13 (D), 81377, Munich, Germany.
  2. Department of Nanochemistry, Max Plank Institute for Solid State Research, Heisenbergstrasse 1, 70569, Stuttgart, Germany.

PMID: 33734533 PMCID: PMC8252096 DOI: 10.1002/anie.202101187

Abstract

The all-solid-state battery (ASSB) is a promising candidate for electrochemical energy storage. In view of the limited availability of lithium, however, alternative systems based on earth-abundant and inexpensive elements are urgently sought. Besides well-studied sodium compounds, potassium-based systems offer the advantage of low cost and a large electrochemical window, but are hardly explored. Here we report the synthesis and crystal structure of K-ion conducting T5 KSi

© 2021 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.

Keywords: ion conductivity; phosphidosilicate; potassium; solid electrolyte; supertetrahedra

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