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About this Abstract
Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Advances in Ceramic Materials and Processing
Presentation Title Designing High Entropy Oxides with Tunable Electrochemical Behavior
Author(s) Maruf Ahmed, Alexander D Dupuy
On-Site Speaker (Planned) Maruf Ahmed
Abstract Scope High entropy oxides (HEOs) show promise in energy storage applications due to their excellent stability and highly tunable behavior. This work seeks to tune the electrochemical performance of bulk HEOs by leveraging the interplay between composition and entropic phase transformations. Particular emphasis is placed on properties relevant to solid-state battery applications. First, aliovalent multi-cation doping will be used to engineer the ionic and electronic transport properties. Second, the phase transformation behavior will be used to control microstructure by strategically designing synthesis and heat-treatment procedures. The role of doping on phase transformation behavior will also be evaluated. We find that the combination of multi-cation doping and microstructure design can be used to control the ionic transference number and conductivity. This work provides a promising pathway to tailor transport properties of high entropy oxide via modulating phase formation and elemental distribution.
Proceedings Inclusion? Planned:
Keywords Ceramics, Electronic Materials, Energy Conversion and Storage

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