Multiple and nonlocal cation redox in Ca–Ce–Ti–Mn oxide perovskites for solar thermochemical applications
Robert B. Wexler, Gopalakrishnan Sai Gautam, Robert Bell, Sarah Shulda, Nicholas A. Strange, Jamie A. Trindell, Joshua D. Sugar, Eli Nygren, Sami Sainio, Anthony H. McDaniel, David S. Ginley, Emily A. Carter, Ellen B. Stechel
Abstract
Ca 2/3 Ce 1/3 Ti 1/3 Mn 2/3 O 3 demonstrates promising two-step thermochemical H 2 production potential. Quantum-based modeling highlights A-site Ce 4+ reduction as the key factor in its redox activity, providing insights for further performance optimization.
Topics & Concepts
RedoxOxideMaterials scienceInorganic chemistryManganeseChemistryChemical engineeringMetallurgyEngineeringChemical Looping and Thermochemical ProcessesAdvanced Thermoelectric Materials and DevicesAdvancements in Solid Oxide Fuel Cells