High proton conduction by full hydration in highly oxygen deficient perovskite-Reference-Cited by-同舟云学术

High proton conduction by full hydration in highly oxygen deficient perovskite

Published:2024 Issue:22 Volume:12 Page:13310-13319
ISSN:2050-7488
Container-title:Journal of Materials Chemistry A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Saito Kei¹,Umeda Kensei¹,Fujii Kotaro¹^ORCID,Mori Kazuhiro²³⁴,Yashima Masatomo¹^ORCID

Affiliation:

1. Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1-W4-17, O-okayama, Meguro-ku, Tokyo, 152-8551, Japan

2. Institute of Materials Structure Science/J-PARC Center, High Energy Accelerator Research Organization (KEK), 203-1 Shirakata, Tokai, Ibaraki 319-1106, Japan

3. Graduate Institute for Advanced Studies, The Graduate University for Advanced Studies (SOKENDAI), 203-1 Shirakata, Tokai, Ibaraki 319-1106, Japan

4. Graduate School of Science and Engineering, Ibaraki University, 203-1 Shirakata, Tokai, Ibaraki 319-1106, Japan

Abstract

We report high proton conductivity (10 mS cm−1 at 235 °C) of stable BaSc0.8W0.2O2.8, which is attributed to (1) high proton concentration due to full hydration and large amount of oxygen vacancies and (2) high proton mobility due to reduced proton trapping.

Funder

Japan Science and Technology Agency

Adaptable and Seamless Technology Transfer Program through Target-Driven R and D

Japan Society for the Promotion of Science

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/TA/D4TA01978D

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