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Sandia team boosts hydrogen production activity by molybdenum disulfide four-fold; low-cost catalyst for solar-driven water splitting

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The idea was to understand the changes in the molecular structure of molybdenum disulfide, so that it can be a better catalyst for hydrogen production: closer to platinum in efficiency, but earth-abundant and cheap. Molly is dirt cheap and abundant. —co-author Jeff Brinker, Sandia Fellow and University of New Mexico professor.

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Stanford, SLAC team cages silicon microparticles in graphene for stable, high-energy anode for Li-ion batteries

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A team from Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory has developed a new practical, high-energy-capacity lithium-ion battery anode out of silicon by encapsulating Si microparticles (∼1–3 µm) using conformally synthesized cages of multilayered graphene. —Yi Cui. 2015.29.

Li-ion 150
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Kyoto team develops new cathode material for high-energy-density rechargeable magnesium batteries

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A team of researchers from Kyoto University has demonstrated ion-exchanged MgFeSiO 4 as a feasible cathode material for use in high-energy-density rechargeable magnesium batteries. Moreover, the terrestrial abundance and melting point of elemental magnesium by far surpass that of lithium, translating to a cheap and safe battery system.

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High capacity, long-life porous nano-silicon Li-ion anode material from beach sand

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Researchers at the University of California, Riverside’s Bourns College of Engineering have synthesized a porous nano-silicon material from beach sand (SiO 2 ) via a highly scalable heat scavenger-assisted magnesiothermic—i.e., using a combination of heat and magnesium—reduction. —Favors et al. Favors et al. Batteries'

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Exeter team develops low-cost photoelectrode for spontaneous water-splitting using sunlight

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Researchers at the University of Exeter (UK) have developed a novel p-type LaFeO 3 photoelectrode using an inexpensive and scalable spray pyrolysis method. The researchers believe this new type of photoelectrode is not only cheap to produce, but can also be recreated on a larger scale for mass and worldwide use. —Pawar and Tahir.

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MIT/Tsinghua high-rate aluminum yolk-shell nanoparticle anode for Li-ion battery with long cycle life and high capacity

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A team of researchers at MIT and Tsinghua University has developed a high-rate, high-capacity and long-lived anode for Li-ion batteries comprising a yolk-shell nanocomposite of aluminum core (30 nm in diameter) and TiO 2 shell (~3 nm in thickness), with a tunable interspace (Al@TiO 2 , or ATO). —Li et al.

Li-ion 150
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Optimus: The Tesla Bot Here’s What We Know…Or, At Least Been Shown

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Given Tesla’s degree of mechanical ability, we can expect these to be completely adequate, but nothing here is crazy small, cheap, efficient, powerful, or anything else. Not noteworthy, but Tesla must manufacture its actuators if it requires a large number of them, which it allegedly will.

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