Design, synthesis and mechanistic understanding of inorganic Li- and Na-ion conductors, including halides, oxides and sulfides, and their integration into solid-state cells. The work targets fast ion transport, electrochemical stability, reduced use of critical materials and scalable processing.

Elucidation of reaction pathways and degradation at solid electrolyte/electrode interfaces. Operando and in situ spectroscopy are combined with electrochemical and structural measurements to relate interphase formation, charge transfer and mechanical contact to cell performance.

Control of defect chemistry, surfaces and interfaces in ionic and mixed ionic-electronic conductors for intermediate-temperature solid oxide fuel and electrolysis cells, and for the direct conversion of thermal gradients into electrical energy.