PG&E, Calif. Energy Commission launch 4MW sodium-sulfur grid storage pilot in San Jose

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Pacific Gas and Electric Company (PG&E) and the California Energy Commission today unveiled a utility-scale sodium-sulfur battery energy storage system ( earlier post ) pilot project to better balance power needs of the electric grid. NGK Insulators ( earlier post ) is the manufacturer of the sodium sulfur (NaS) battery system which includes the battery modules and control system for managing DC input/output and other parameters for maximizing module longevity.

GE testing sodium halide battery/Li-ion battery/fuel cell hybrid system for transit bus

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GE’s ecomagination.com publication reports that GE engineers have begun testing a transit bus equipped with a new hybrid energy system integrating GE’s Durathon sodium-halide battery ( earlier post ), a lithium-ion battery and a hydrogen fuel cell. GE has been exploring ways to synergize the benefits of its sodium-halide Durathon technology, which can store a large quantity of energy but isn’t optimized for power, with power-optimized lithium batteries and hydrogen fuel cells.

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Researchers convert atmospheric CO2 to carbon nanofibers and nanotubes for use as anodes in Li-ion and Na-ion batteries

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Researchers from George Washington University and Vanderbilt University have demonstrated the conversion of atmospheric CO 2 into carbon nanofibers (CNFs) and carbon nanotubes (CNTs) for use as high-performance anodes in both lithium-ion and sodium-ion batteries. Here we show that this process can be used as a sustainable synthetic pathway for defect-controlled CNT and CNF materials, which exhibit excellent performance in the context of lithium-ion and sodium-ion battery anode materials.

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Horizon Unveiling Small Hydrogen Refueling and Storage System for the Home

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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. Horizon will also present an upgraded version of its larger portable off-grid DC power supply system HydroPak. HydroPak offers 60W output (120W peak) using water-activated sodium borohydride cartridges supplied by Horizon.

PARC building cleantech portfolio; co-extrusion printing of novel battery electrodes and carbon-neutral renewable liquid fuels from atmospheric CO2

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The technique uses a solvent such as sodium or potassium hydroxides, converted by reacting with CO 2 to aqueous carbonates or bicarbonates. Schematic of the HP-BPMED device used in the renewable fuels research. (a)

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