Nanotechnology makes biomass electrolysis more energy efficient than water electrolysis (Articolo in rivista)

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Label
  • Nanotechnology makes biomass electrolysis more energy efficient than water electrolysis (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/ncomms5036 (literal)
Alternative label
  • Chen, Yan Xin; Lavacchi, Alessandro; Miller, Hamish A.; Bevilacqua, Manuela; Filippi, Jonathan; Innocenti, Massimo; Marchionni, Andrea; Oberhauser, Werner; Wang, L.; Vizza, Francesco (2014)
    Nanotechnology makes biomass electrolysis more energy efficient than water electrolysis
    in Nature communications; Nature Publishing Group, London (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chen, Yan Xin; Lavacchi, Alessandro; Miller, Hamish A.; Bevilacqua, Manuela; Filippi, Jonathan; Innocenti, Massimo; Marchionni, Andrea; Oberhauser, Werner; Wang, L.; Vizza, Francesco (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/record/display.url?eid=2-s2.0-84901914942&origin=inward (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 5 (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto Di Chimica Dei Composti Organometallici, Sesto Fiorentino; Universita degli Studi di Trieste; Universita degli Studi di Firenze (literal)
Titolo
  • Nanotechnology makes biomass electrolysis more energy efficient than water electrolysis (literal)
Abstract
  • The energetic convenience of electrolytic water splitting is limited by thermodynamics. Consequently, significant levels of hydrogen production can only be obtained with an electrical energy consumption exceeding 45 kWh kg-1H2. Electrochemical reforming allows the overcoming of such thermodynamic limitations by replacing oxygen evolution with the oxidation of biomass-derived alcohols. Here we show that the use of an original anode material consisting of palladium nanoparticles deposited on to a three-dimensional architecture of titania nanotubes allows electrical energy savings up to 26.5 kWh kg-1H2 as compared with proton electrolyte membrane water electrolysis. A net energy analysis shows that for bio-ethanol with energy return of the invested energy larger than 5.1 (for example, cellulose), the electrochemical reforming energy balance is advantageous over proton electrolyte membrane water electrolysis. (literal)
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