Hydrogen fuel

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News and Comment

  • News and Views |

    Photocatalytic H2 production using semiconductors is a promising approach to store solar energy as a chemical fuel, but the oxidizing power of the excited holes is often wasted. Now, holes are harnessed in a dehydrocoupling strategy that simultaneously produces H2 and diesel fuel precursors from biomass-derived molecules.

    • Guanqun Han
    •  & Yujie Sun
  • Comments and Opinion |

    A wealth of candidates are being investigated to improve the catalysts found in acidic and alkaline electrolysers. However, attention should be focused on developing stable water oxidation catalysts with improved intrinsic activity — not only increased geometric activity — alongside best practice for data collection.

    • Jakob Kibsgaard
    •  & Ib Chorkendorff
    Nature Energy 4, 430-433
  • News and Views |

    Scalable interconversion between chemical and electrical energy requires compact, selective and highly efficient reversible electrochemical cells. Now, protonic electrochemical cells with tailored catalysts and ceramic architecture are shown to operate reversibly with high performance and to be integrable with catalytic CO2 conversion.

    • José M. Serra
    Nature Energy 4, 178-179
  • News and Views |

    Ammonia holds promise as a clean energy carrier, but its synthesis requires high pressures and large production scales that are ill-matched to renewable, decentralized energy production. Now, researchers use metal imides to mediate ammonia production in a chemical looping process that operates under mild conditions.

    • Götz Veser
    Nature Energy 3, 1025-1026
  • News and Views |

    Semi-artificial photosynthesis offers advantages over purely natural or synthetic routes to producing chemicals from solar energy, but devices based on it have remained elusive. Now, researchers couple a dye-sensitized photoanode with natural components to generate H2 photoelectrochemically from water without additional bias.

    • Paul W. King
    Nature Energy 3, 921-922
  • News and Views |

    Development of an earth-abundant and inexpensive copper-based catalyst is desirable for CO2 hydrogenation. Now, the combined application of a stable copper hydride and a Lewis pair is shown to effect activation of CO2 as well as heterolysis of H2, achieving significant turnover numbers.

    • Yoshihito Kayaki
    •  & Ryo Watari
    Nature Catalysis 1, 739-740