Stabilization of a high H<sup>−</sup>-conducting phase <i>via</i> K doping of Ba

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

Published:2022 Issue:43 Volume:10 Page:23023-23027
ISSN:2050-7488
Container-title:Journal of Materials Chemistry A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Okamoto Kei¹²³^ORCID,Takeiri Fumitaka¹²³⁴^ORCID,Imai Yumiko³,Yonemura Masao⁵⁶^ORCID,Saito Takashi⁵⁶^ORCID,Ikeda Kazutaka⁵⁶^ORCID,Otomo Toshiya⁵⁶^ORCID,Kamiyama Takashi⁵⁶^ORCID,Kobayashi Genki¹²^ORCID

Affiliation:

1. Solid State Chemistry Laboratory, Cluster for Pioneering Research (CPR), RIKEN, Wako 351-0198, Japan

2. Department of Materials Molecular Science, Institute for Molecular Science, Okazaki 444-8585, Japan

3. Department of Structural Molecular Science, School of Physical Sciences, SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, Japan

4. Japan Science and Technology Agency (JST), Precursory Research for Embryonic Science and Technology (PRESTO), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan

5. Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Ibaraki 305-0801, Japan

6. Department of Materials Structure Science, School of High Energy Accelerator Science, SOKENDAI (The Graduate University for Advanced Studies), Ibaraki 305-0801, Japan

Abstract

Ba1.75LiH2.7O0.9 exhibits H− conductivity over 10−2 S cm−1 above 315 °C due to phase transitions. In this work, a reduction of the phase transition temperature and an improvement of conductivity at lower temperatures by K/Ba substitution were confirmed.

Funder

Japan Society for the Promotion of Science

Japan Science and Technology Agency

High Energy Accelerator Research Organization

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2022/TA/D2TA06278J

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1. Molekularzustand und elektrisches Leitvermögen kristallisierter Salze