Issue 43, 2022

Stabilization of a high H-conducting phase via K doping of Ba–Li oxyhydride

Abstract

We report aliovalent partial substitution of Ba with K in Ba–Li oxyhydride, which exhibits a high H conductivity caused by structural phase transitions. The phase transition temperatures were decreased by approximately 50 °C via 15% K/Ba substitution, resulting in a high conductivity at lower temperatures.

Graphical abstract: Stabilization of a high H−-conducting phase via K doping of Ba–Li oxyhydride

Supplementary files

Article information

Article type
Communication
Submitted
08 Aug 2022
Accepted
17 Oct 2022
First published
18 Oct 2022

J. Mater. Chem. A, 2022,10, 23023-23027

Author version available

Stabilization of a high H-conducting phase via K doping of Ba–Li oxyhydride

K. Okamoto, F. Takeiri, Y. Imai, M. Yonemura, T. Saito, K. Ikeda, T. Otomo, T. Kamiyama and G. Kobayashi, J. Mater. Chem. A, 2022, 10, 23023 DOI: 10.1039/D2TA06278J

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