Title: Advanced Ceramics for Electrochemical Energy Storage and Conversion Devices

Abstract: Ceramics exhibiting fast proton, oxide ion, lithium ion and mixed ionic and electronic conduction are being considered for alternative energy conversion devices, including solid oxide fuel cells (SOFCs), proton conducting SOFCs, and storage devices, including batteries and electrolysis cells. The functional properties of ceramics depend on nature of chemical species present. Large numbers of inorganic compounds and organic polymers show fast ionic conduction, while not all of them find application in practical devices. The key requirements for useful ceramic electrolytes are high ionic and negligible electronic conductivity over the employed range of activity of the mobile species, and chemical stability against reaction with the adjacent cell components. These remain challenging for scientists to develop durable solid-state ionic devices with high power density. In this talk, current development of advanced ceramics for all-solid-state Li ion batteries and SOFCs will be presented.