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Hybrid biomass flow battery stores electricity and produces valuable chemicals at the same time

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Rechargeable batteries store electricity in their electrode materials, while redox flow batteries use chemicals stored in tanks attached to the electrodes. Researchers have now developed a battery system based on a hybrid cell, which not only stores and provides electricity but also produces valuable chemicals in a flow system.

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Harvard team demonstrates new metal-free organic–inorganic aqueous flow battery; potential breakthrough for low-cost grid-scale storage

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Researchers at Harvard have demonstrated a metal-free organic–inorganic aqueous flow battery—a quinone–bromide flow battery (QBFB)—as an example of a class of energy storage materials that exploits the favorable chemical and electrochemical properties of a family of molecules known as quinones. —Huskinson et al. Background.

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ARPA-E Battery/Storage Exposition 14 Jan

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CHARGES (Cycling Hardware to Analyze and Ready Grid-Scale Electricity Storage). The CHARGES program establishes two sites where ARPA-E-funded battery technologies will be tested under conditions designed to represent not just today’s applications, but also the demands of tomorrow’s electric power system.

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Toyota Motor to sell electricity management system using recycled NiMH vehicle batteries to Toyota dealers in Japan

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The energy management system will make it possible to control the consumption, storage, and discharge of electricity, as well as increase usage efficiency. The fixed electricity storage system has been undergoing verification tests conducted at the Nagoya Toyopet Otagawa dealership and other locations since February of last year.

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New $30M ARPA-E program to develop new solar conversion and storage technologies; targeting higher solar penetration in mix

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Schematic comparing the cost and dispatchability of PV to CSP with thermal storage. The “PV+Storage” box includes the high cost of electrical storage for PV. The FOCUS Program target zone for electricity generation is indicated. Source: ARPA-E. Click to enlarge. Source: ARPA-E. Click to enlarge.

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UniEnergy signs commercialization agreement for PNNL-developed vanadium redox flow battery

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UniEnergy Technologies LLC has signed a license agreement with Battelle to further develop and commercialize a vanadium redox flow battery developed at Pacific Northwest National Laboratory (PNNL) that holds promise for storing large amounts of renewable energy and providing greater stability to the energy grid. Earlier post.).

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Bus maker Alexander Dennis to fit GKN Gyrodrive flywheel hybrid systems to 250 buses; partners on international development

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Instead of a battery, the Gyrodrive system uses a magnetically loaded high-speed carbon-fiber flywheel to store the energy generated by a bus as it slows down to stop. The electric flywheel technology is particularly suited to applications that demand high symmetric power transmission at continuous cyclic duty cycle.