Grey-box Modeling of Reversible Solid Oxide Cell Stack’s Electrical Dynamics Based on Electrochemical Impedance Spectroscopy

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2 Citations (Scopus)
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Abstract

This paper aims to design a lumped-capacity model
of a reversible solid oxide cell stack for hydrogen electrolysis.
The lumped-capacity model needs to have an adequate representation
of the electrical dynamics over a wide operating
range and a model structure suitable for the design of a physical
emulator. The grey-box model is based on data obtained by electrochemical
impedance spectroscopy conducted on a commercial
solid oxide cell stack for four different gas compositions at six
aging stages. In addition, a comparison of the experimental and
simulated voltage response of the reversible solid oxide cell stack
in cyclic reversible operation mode was conducted at different
aging levels of the stack.
Original languageEnglish
Title of host publication2023 IEEE Conference on Control Technology and Applications, CCTA 2023
Number of pages6
PublisherIEEE (Institute of Electrical and Electronics Engineers)
Publication date2023
Pages382-387
Article number10252882
ISBN (Print)979-8-3503-3545-3
ISBN (Electronic)979-8-3503-3544-6
DOIs
Publication statusPublished - 2023
Event2023 IEEE Conference on Control Technology and Applications, CCTA 2023 - Bridgetown, Barbados
Duration: 16 Aug 202318 Aug 2023

Conference

Conference2023 IEEE Conference on Control Technology and Applications, CCTA 2023
Country/TerritoryBarbados
CityBridgetown
Period16/08/202318/08/2023
SeriesIEEE Conference on Control Technology and Applications (CCTA) - Proceedings
ISSN2768-0762

Keywords

  • Electrolysis
  • Electromechanical Impedance Spectroscopy
  • Grey-Box Modeling
  • System Identification

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