| About this Abstract |
| Meeting |
2021 TMS Annual Meeting & Exhibition
|
| Symposium
|
Powder Materials for Energy Applications
|
| Presentation Title |
Powder Characteristics of Perovskite Anodes on the Electrochemical Performance of Solid Oxide Fuel Cell: A Perspective |
| Author(s) |
Manoj K. Mahapatra |
| On-Site Speaker (Planned) |
Manoj K. Mahapatra |
| Abstract Scope |
ABO3 perovskites, double perovskites, and ruddlesden-popper perovskites are being extensively investigated for solid oxide fuel cell (SOFC) anodes. Mixed ionic-electronic conductivity primarily determines the performance while thermochemical durability and thermomechanical integrity decides service life. In addition to composition; ceramic processing including powder synthesis and sintering plays pivotal role on the evolution of surface, interface, and bulk microstructure. Most of the literature reports a great deal in composition-microstructure-electrochemical performance relationship of individual perovskites. However, differing results of similar material systems are often overlooked. Understanding the factors contributing to the inconsistent results potentially accelerates materials selection and fabrication. Model ABO3 perovskite anodes such as SrTiO3 and LaFeO3 system will be investigated, based on literature, to find out the origin of inconsistency. Emphasis will be given on the powder characteristics such as particle size, morphology, and exolution of conductive phase on the thermo-physical properties and electrochemical performance of the anodes. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Powder Materials, Ceramics, Energy Conversion and Storage |