Energy and environment are the major issues facing all mankind in the 21st century. In recent years mixedconducting perovskite-type materials have received great attention from researchers in the fields of chemistry, materials and physics. These materials can be used in many applications such as oxygen transport membrane (OTM), solid oxide fuel cell (SOFC) and solid oxide electrolysis cell (SOEC), with attractive application prospects in energy conversion, utilization and storage. In this work, the structure, properties and application status of mixed-conducting perovskite materials are reviewed. Hotspots and challenges in current research are summarized, and the future development trends are prospected.

perovskite  /  solid oxide fuel cell  /  solid oxide electrolysis cell  /  oxygen transport membrane