The role of interstitial oxide and superoxide anions in ionic conductors

这个项目试图了解缺陷和局部无序如何促进复合氧化物中的固态离子导电性。将特别关注未被探索的机制，通过这些机制可以将多余的氧结合到这些氧化物中，而不是传统的情况，即由于缺氧而通过空位发生传导。该项目旨在利用先进的衍射、光谱和成像方法表征不同长度尺度的目标氧化物，以获得其结构的整体多尺度图像。预计这将揭示合理设计用于固体氧化物燃料电池等应用的新的和改进的氧化物离子导体所需的结构-性能关系。

This project seeks to understand how defects and local disorder can facilitate solid-state ionic conductivity in complex oxides. Particular attention will be paid to the under-explored mechanisms by which excess oxygen can be incorporated in these oxides, as opposed to the conventional scenario in which conduction occurs through vacant sites due to an oxygen deficiency. The project aims to characterise the target oxides at various length scales using advanced diffraction, spectroscopy and imaging methods, to obtain a holistic multi-scale picture of their structures. It is expected that this will reveal the structure-property relationships required to rationally design new and improved oxide-ion conductors for applications such as solid oxide fuel cells.