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Keywords:

  • carbon dioxide;
  • formic acid;
  • fuel cells;
  • hydrogen;
  • ruthenium
Thumbnail image of graphical abstract

A boost for fuel cells: Recent results suggest that formic acid is a convenient hydrogen-storage material: its decomposition yields CO-free hydrogen while the co-produced carbon dioxide can be hydrogenated back to formic acid. The hydrogen generated in this way is suitable for fuel cell applications.