Research Article Jan Tesař, Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 61200 Brno, Czech Republic Search for more papers by this author Jose Muñoz, Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 123, 61200 Brno, Czech Republic Search for more papers by this author Martin Pumera, Corresponding Author martin.pumera@gmail.com...