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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. Nature Energy ) Click to enlarge.

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New high-power, fast-charging, safe and long-life Li-ion battery

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A very large number of possible alternative configurations for next generation lithium-ion cells have been proposed, among them, the concept of a 3–3.5 V Li-ion cell made by coupling LNMO spinel and TiO 2 -based anodes. An open access paper on the work is published in Scientific Reports. 3 V, well above the 1.9 Brutti, M.

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

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Batteries using a combination of ion-exchanged MgFeSiO 4 and a magnesium bis(trifluoromethylsulfonyl)imide–triglyme electrolyte system represent a prototype for a low-cost, high-energy-density rechargeable magnesium battery in which no toxic or explosive components are used, the researchers concluded. —Orikasa et al.

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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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Aluminium should be an attractive anode material for rechargeable Li-ion batteries for many reasons, such as low cost (~$2,000 ton −1 ), high theoretical capacity (2,235 mAh g −1 if Li 9 Al 4 , low potential plateau (~0.19–0.45 V V against Li + /Li 3 ), high electrical conductivity and so on.

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Electric Car Makers: Oregon Wants You - Green Inc. Blog - NYTimes.com

Tony Karrer Delicious EVdriven

Furthermore, changing the battery pack on say a Toyota Prius often costs a fortune, at least in most European countries, so such cars better be VERY cheap, but they’re not. If these companies are ultimately successful and can convince EV manufacturers to ditch lithuim ion, we could depend on the already robust recycling program.

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