Tag Archives: hydrogen

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Chemical chameleon tamed: Researchers give floppy molecule a structure through solvent effects

  • Chemical chameleon tamed: Researchers give floppy molecule a structure through solvent effects - How you get the chameleon of the molecules to settle on a particular "look" has been discovered by chemists in Germany. The molecule CH5+ is normally not to be described by a single rigid structure, but is dynamically flexible. By means of computer simulations, the team showed that CH5+ takes on a particular structure once you attach hydrogen molecules.(10.1103/PhysRevLett.110.083003)
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    chemistry-news

    This week’s Alchemist

    Heavy metal lighting catches the eye of The Alchemist this week along with the work of a cubist "decorator." In solar energy conversion a new composite could absorb photons to split water and make hydrogen in an entirely new way breaking 70 years of tradition. We also hear about geochemical clues to the existence of a lost continent buried beneath the Indian Ocean. Also, in view is the chilly world of high-temperature superconductors. Finally, NSFW, a new National Science Foundation (NSF) award for chemical Work.

    via The Alchemist Newsletter:Feb 28, 2013 — Welcome to ChemWeb.

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    Supercharging methanol for fuel cells | Chemistry World

  • Supercharging methanol for fuel cells | Chemistry World - Scientists in Germany and Italy have discovered a way to derive hydrogen gas from methanol at low temperatures and pressures using soluble ruthenium-based ‘pincer’ catalysts. The finding is potentially significant because it opens the way to using methanol as a hydrogen carrier for proton-exchange membrane fuel cells in vehicles. Such fuel cells consume hydrogen gas to create electricity, with water as the only by-product.(10.1038/nature11891)
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