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ARPA-E awards $35M to 12 new projects to support medium-voltage devices for grid, industry and transportation

Green Car Congress

The concept builds on Sandia’s knowledge of optically triggered GaN devices, as well as the team’s experience in circuit design for medium-voltage (MV) applications. The Ohio State University will develop gallium nitride (GaN) semiconductor materials suitable for high voltage (15-20 kV) power control and conversion.

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DOE Announces $100M Available for ARPA-Es 3rd Funding Opportunity; Focus on Grid-Scale Energy Storage, Electrical Power Technology, and Building Energy Efficiency

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ARPA-E’s first solicitation, announced in early 2009, was highly competitive and resulted in funding 37 projects aimed at transformational innovations in energy storage, biofuels, carbon capture, renewable power, building efficiency, vehicles, and other areas. Earlier post.) Earlier post.).

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OSU team develops new aqueous lithium-iodine solar flow battery; 20% energy savings over Li-I batteries

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The new aqueous lithium−iodine (Li−I) solar flow battery (SFB) incorporates a built-in dye-sensitized TiO 2 photoelectrode in a Li−I redox flow battery via linkage of an I 3 − /I − based catholyte for the simultaneous conversion and storage of solar energy. The Li−I SFB can be charged at a voltage of 2.90V under 1 sun AM 1.5

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Greenlings: Benefits of charging stations vs. battery swaps vs. home charging

Tony Karrer Delicious EVdriven

Gallery: Plugging in at home Battery swap stations are a concept often associated with Better Place , an EV infrastructure company. The idea is that when your car needs more energy, you can drive your car into a station and, like an automated car wash, your depleted battery is replaced robotically by one that has a full charge.