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Versatile oxide fuel cell microstructures employing WGS active titanate anode current collectors compatible to ferritic stainless steel interconnects (VOLTA)

At a glance

  • Project leader : Dr. Lorenz Holzer
  • Co-project leader : Prof. Thomas Hocker
  • Project team : Dr. Holger Bausinger, Prof. Dr. Joseph Brader, Dr. Jan Grolig, Dr. Andreas Mai, Philip Marmet
  • Project status : completed
  • Funding partner : Federal government (Bundesamt für Energie BFE)
  • Project partner : Hexis AG, Universität Freiburg / Departement of Physics
  • Contact person : Lorenz Holzer


The project focuses on the development of a novel, industrially scalable, electrolyte-supported fuel cell and its development to prototype maturity. The aim of the project is to systematically investigate robust titanate materials as catalytically active anode current collectors and implement them into a proven electrolyte-supported fuel cell microstructure. This new anode microstructure should be compatible with ferritic interconnectors and, in contrast to current cell technology, significantly more tolerant to overload and fuel contamination. Successful engineering implementation is achieved by combining latest findings from materials science with modern methods of materials modelling and microstructure analysis. This approach enables to define appropriate design recommendations for material-microstructure-performance correlations and to realize them for practical application.


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