Overview
This book reports a study of a class of Dion–Jacobson-type layered perovskite oxides in which high oxide-ion conductivities in phases were discovered for the first time in the world. The oxide-ion conductors are important in various energy conversion devices and environmental protection applications such as solid-oxide fuel cells, oxygen gas sensors, oxygen separation membranes, and oxygen-based catalysts. The discoveries are based on a new screening method, called the bond valence method, combined with an original design concept. The present finding of high oxide-ion conductivity reported in the thesis suggested the potential of Dion–Jacobson phases as a platform to identify superior oxide-ion conductors. To understand what causes such high oxide-ion conductivities in these layered perovskite oxides, the author analyzed their crystal structures at high temperature and described the relationship between oxide-ion conductivities and their crystal structures. A deep understanding of the mechanisms of oxide-ion diffusivity at an atomic level in the Dion–Jacobson phases is clarified. The discovery of these materials, the new screening method, and the original design concept make possible the realization of many environment-friendly technologies. The findings in this thesis facilitate the possibilities for many novel applications that will help lead to a sustainable future.
Full Product Details
Author: Wenrui Zhang
Publisher: Springer Verlag, Singapore
Imprint: Springer Verlag, Singapore
Edition: 1st ed. 2022
Weight: 0.377kg
ISBN: 9789811922466
ISBN 10: 9811922462
Pages: 123
Publication Date: 17 May 2022
Audience:
Professional and scholarly
,
Professional & Vocational
Format: Hardback
Publisher's Status: Active
Availability: Manufactured on demand 
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Table of Contents
1. Introduction.- 2. New Oxide-ion conductors of Dion–Jacobson-Type Layered Perovskites CsBi2Ti2NbO10-δ and CsBi2–xMxTi2+yNb1–yO10‐x/2–y/2–δ (M = Mg, Ca, Sr and Ba; x = 0.1, 0.2, 0.3, 0.4, 0.5 and 0.6; y = 0.2, 0.1, –0.1, and –0.2).- 3. New Oxide-ion conductors of Dion–Jacobson- Type Layered Perovskites CsLn2Ti2NbO10 (Ln = La, Pr, Nd, Sm, Gd, Ho and Yb) and CsLa2–xMxTi2+yNb1–yO10–x/2–y/2 (M = Ca, Sr and Ba; x = 0, 0.1; y = 0.1, 0 and –0.1).- 4. Conclusion and Future Work.
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Author Information
Dr. Wenrui Zhang completed his Ph.D. in the School of Science, Department of Chemistry, at Tokyo Institute of Technology under his supervisor Professor Masatomo Yashima, graduating in March of 2020. He is a recipient of the Seiichi Tejima International Student Research Award of Tokyo Institute of Technology (2020). He is currently an assistant professor at Tokyo Institute of Technology, Japan. His research interests lie in ionic conductors, solid-state chemistry, and crystallography.
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