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Keywords:

  • hollow fibers;
  • solid oxide fuel cells;
  • coextrusion;
  • phase inversion
Thumbnail image of graphical abstract

A high-performance, microtubular solid oxide fuel cell is developed using an improved electrolyte/anode dual-layer hollow fiber fabricated via a novel coextrusion and co-sintering technique. The technique allows control over the porosity of the anode, resulting in an increase in the power output to almost double what has been previously reported.