| About this Abstract |
| Meeting |
2024 TMS Annual Meeting & Exhibition
|
| Symposium
|
High Temperature Electrochemistry: An FMD Symposium Honoring Uday B. Pal
|
| Presentation Title |
Analysis of Operating Parameters Affecting SOEC Performance |
| Author(s) |
John-In Lee, Emily Gosh, Jillian Mulligan, Soumendra Basu, Srikanth Gopalan, Uday Pal |
| On-Site Speaker (Planned) |
John-In Lee |
| Abstract Scope |
Green hydrogen generation is critical for solving intermittency challenges in implementing renewable energy technologies. Solid oxide electrolysis cells (SOECs) are ideally suited for green-hydrogen generation since they operate at high energy efficiency and with zero CO2 emissions. Despite their potential, durability issues of SOECs have hindered their commercialization. In this research, SOEC performance is evaluated as a function of fuel gas composition (H2/H2O ratio), flow rate, and current density. Influence of these parameters on performance degradation is analyzed and correlated with microstructural changes. Additionally, gadolinium doped ceria (GDC) was infiltrated into the fuel electrode, which modified its microstructure and improved its electrochemical performance and durability. Experimentally, electrochemical performance was evaluated under galvanostatic conditions and periodically making I-V and Electrochemical Impedance Spectroscopy (EIS) measurements. Post-mortem microstructural analysis was conducted using scanning electron microscopy (SEM). |
| Proceedings Inclusion? |
Planned: |
| Keywords |
High-Temperature Materials, Energy Conversion and Storage, |