Production of a monolithic fuel cell stack with high power density

Stéven Pirou (), Belma Talic, Karen Brodersen, Anne Hauch, Henrik Lund Frandsen, Theis Løye Skafte, Åsa H. Persson, Jens V. T. Høgh, Henrik Henriksen, Maria Navasa, Xing-Yuan Miao, Xanthi Georgolamprou, Søren P. V. Foghmoes, Peter Vang Hendriksen, Eva Ravn Nielsen, Jimmi Nielsen, Anders C. Wulff, Søren H. Jensen, Philipp Zielke and Anke Hagen ()
Additional contact information
Stéven Pirou: Technical University of Denmark, Kgs
Belma Talic: Technical University of Denmark, Kgs
Karen Brodersen: Technical University of Denmark, Kgs
Anne Hauch: Technical University of Denmark, Kgs
Henrik Lund Frandsen: Technical University of Denmark, Kgs
Theis Løye Skafte: Technical University of Denmark, Kgs
Åsa H. Persson: Technical University of Denmark, Kgs
Jens V. T. Høgh: Technical University of Denmark, Kgs
Henrik Henriksen: Technical University of Denmark, Kgs
Maria Navasa: Technical University of Denmark, Kgs
Xing-Yuan Miao: Technical University of Denmark, Kgs
Xanthi Georgolamprou: Technical University of Denmark, Kgs
Søren P. V. Foghmoes: Technical University of Denmark, Kgs
Peter Vang Hendriksen: Technical University of Denmark, Kgs
Eva Ravn Nielsen: Technical University of Denmark, Kgs
Jimmi Nielsen: Technical University of Denmark, Kgs
Anders C. Wulff: Technical University of Denmark, Kgs
Søren H. Jensen: Technical University of Denmark, Kgs
Philipp Zielke: Technical University of Denmark, Kgs
Anke Hagen: Technical University of Denmark, Kgs

Nature Communications, 2022, vol. 13, issue 1, 1-8

Abstract: Abstract The transportation sector is undergoing a technology shift from internal combustion engines to electric motors powered by secondary Li-based batteries. However, the limited range and long charging times of Li-ion batteries still hinder widespread adoption. This aspect is particularly true in the case of heavy freight and long-range transportation, where solid oxide fuel cells (SOFCs) offer an attractive alternative as they can provide high-efficiency and flexible fuel choices. However, the SOFC technology is mainly used for stationary applications owing to the high operating temperature, low volumetric power density and specific power, and poor robustness towards thermal cycling and mechanical vibrations of conventional ceramic-based cells. Here, we present a metal-based monolithic fuel cell design to overcome these issues. Cost-effective and scalable manufacturing processes are employed for fabrication, and only a single heat treatment is required, as opposed to multiple thermal treatments in conventional SOFC production. The design is optimised through three-dimensional multiphysics modelling, nanoparticle infiltration, and corrosion-mitigating treatments. The monolithic fuel cell stack shows a power density of 5.6 kW/L, thus, demonstrating the potential of SOFC technology for transport applications.

Date: 2022
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DOI: 10.1038/s41467-022-28970-w

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