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New high energy, highly stable cathode for sodium-ion batteries

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F 0.7 , for sodium-ion (Na-ion) batteries (NIBs). Large-scale energy storage systems are needed to deal with intermittent electricity production of solar and wind. V vs standard hydrogen electrode) reduces the operating voltage, leading to a generally lower energy density. Ragone plot for the new Na 1.5 Credit: ACS, Park et al.

Sodium 292
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DOE awards Cummins $5M for automation of electrolyzer cell and stack assembly

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Cummins has been awarded $5 million from the US Department of Energy (DOE) Hydrogen and Fuel Cell Technologies Office for the automation of solid oxide electrolyzer cell (SOEC) and stack assembly. This project furthers the company’s efforts as a leader in alternative power and a pioneer in green hydrogen technologies.

Hydrogen 333
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Horizon Unveiling Small Hydrogen Refueling and Storage System for the Home

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Horizon Fuel Cell Technologies will introduce a “personal hydrogen station”—HydroFill—at the Consumer Electronics Show in Las Vegas this week. The device consumes 60W DC per hour to produce 10 liters of hydrogen (0.001 kg) per hour, enough to fill a HydroStik metal hydride storage cartridge.

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New mesoporous crystalline Si exhibits increased rate of H2 production; potential use in Li-ion batteries also

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The nanosized crystalline primary particles and high surface areas enable an increased rate of photocatalytic hydrogen production from water and extended working life. They then treat the material with a sodium potassium alloy. Micrograph of mesoporous silicon with sodium chloride and potassium chloride salts embedded in the matrix.

Li-ion 218
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CalSEED awards $4.2M to early-stage clean energy innovations

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Cyclonatix, Inc is developing an industrial-sized motor/controller to operate with either DC or AC power sources, for applications in electric vehicles, solar-powered pumps, HVAC&R, gas compressors, and other commercial and industrial machines which require high efficiency, variable speed/torque, and low cost. Leap Photovoltaics Inc.

Clean 371
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Tuning electrode surfaces to optimize solar fuel production

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Scientists have demonstrated that modifying the topmost layer of atoms on the surface of electrodes can have a remarkable impact on the activity of solar water splitting. This photocurrent drives the chemical reactions that split water into oxygen and hydrogen. —Mingzhao Liu.

Solar 186
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Caltech engineers devise new thermochemical cycle for water splitting for H2; recyclable, non-toxic, non-corrosive and at lower temperatures

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Providing a possible new route to hydrogen-gas production, researchers at the California Institute of Technology (Caltech) have devised a new manganese-based thermochemical cycle with a highest operating temperature of 850?°C recovery of Mn 3 O 4 by thermally reducing the sodium ion extracted solid produced in step 3 at 850 °C.

Water 210