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Researchers review risk to water resources from unconventional shale gas development in US

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They identified four potential modes of water resource degradation: (1) shallow aquifers contaminated by fugitive natural gas (i.e., They identified four potential modes of water resource degradation: (1) shallow aquifers contaminated by fugitive natural gas (i.e.,

Water 306
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EPFL team develops low-cost water splitting cell with solar-to-hydrogen efficiency of 12.3%

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Michael Grätzel at EPFL (Ecole Polytechnique Fédérale de Lausanne) in Switzerland has developed a highly efficient and low-cost water-splitting cell combining an advanced perovskite tandem solar cell and a bi-functional Earth-abundant catalyst. Splitting water requires an applied voltage of at least 1.23 V and up to 1.5

Low Cost 278
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Researchers develop free-standing nanowire mesh for direct solar water-splitting to produce H2; new design for “artificial leaf”

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The mesh with BiVO 4 nanowire photoanode for water oxidation and Rh-SrTiO 3 nanowire photocathode for water reduction produces hydrogen gas without an electron mediator. When immersed in water with visible light irradiation (? ? 400 nm), the mesh produces hydrogen gas. Credit: ACS, Liu et al. Click to enlarge.

Water 270
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G2X Energy and EMRE sign methanol to gasoline technology license and license option agreements; plans for $1.3B natural gas to gasoline plant

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a developer of natural gas to gasoline projects, entered into a licensing agreement to use ExxonMobil Research and Engineering Company’s (EMRE’s) methanol-to-gasoline (MTG) technology ( earlier post ) in the development of a world-scale natural gas to gasoline project. Lake Charles natural gas to gasoline facility. Source: EMRE.

Gasoline 287
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CalBattery licenses Argonne silicon-graphene material for high-energy Li-ion batteries; targeting commercial availability in 2014

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CalBattery says it plans to move forward rapidly in the commercial scale-up and production of the novel composite anode material and to offer it in commercial production in the US by 2014. Argonne’s technology entails the use of an advanced gas phase deposition method that embeds nanoscale silicon particles into the graphene layers.

Li-ion 318
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RIKEN researchers develop bio-inspired catalyst that splits water at neutral pH

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Plants use photosynthesis to convert carbon dioxide and water into sugars and oxygen. The process starts in a cluster of manganese, calcium and oxygen atoms at the heart of a protein complex called photosystem II, which splits water to form oxygen gas, protons and electrons. —Yamaguchi et al.

Water 246
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Shell’s Cardamom development starts production; second major 2014 start-up in deep-water Gulf of Mexico

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Production is now underway from the Cardamom development, the second major deep-water facility Shell has brought online in the US Gulf of Mexico this year, following the start-up of Mars B in February. Auger was Shell’s first deep-water tension-leg platform. —Marvin Odum.

Water 199