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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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AQDSH 2 refers to the reduced form of AQDS. The two main components—the electrochemical conversion hardware through which the fluids are flowed (which sets the peak power capacity) and the chemical storage tanks (which set the energy capacity)—may be independently sized. Cell schematic. Huskinson et al. Click to enlarge.

Low Cost 374
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Cobalt-doped graphdiyne catalyst for catalytically decomposing ammonia to hydrogen

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In a paper in the journal Fuel , the researchers report that the Co-doped graphdiyne catalyst achieved nearly complete decomposition of ammonia at 550 ˚C, and the conversion rate remained stable over 18 h of continuous reaction. to release the hydrogen—their high cost is a challenge for widespread application, the authors note.

Hydrogen 369
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Nitrogen-doped graphene nanoplatelets offer high catalytic performance in fuel cells and solar cells; possible replacement for Pt

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Researchers in South Korea have developed a simple, low-cost and eco-friendly method of creating nitrogen-doped graphene nanoplatelets (NGnPs) with excellent catalytic performance in both dye-sensitized solar cells and fuel cells to replace conventional platinum (Pt)-based catalysts for energy conversion. —Jeon et al.

Solar 262
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Researchers develop rechargeable hybrid-seawater fuel cell; highly energy density, stable cycling

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Researchers from Ulsan National Institute of Science and Technology (UNIST) in Korea and Karlsruher Institute of Technology in Germany have developed a novel energy conversion and storage system using seawater as a cathode. In addition, this system can be easily scaled up.

Recharge 285
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Transphorm and ON Semiconductor begin production of co-branded 600V GaN cascode transistors

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At APEC 2015, ON Semiconductor and power conversion specialist Transphorm, building on their previously announced partnership to bring gallium nitride (GaN) based power solutions to market, introduced the co-branded NTP8G202N (TPH3202PS) and NTP8G206N (TPH3206PS) 600V GaN cascode transistors and a 240 W reference design that utilizes them. (A

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ARPA-E adds five new funding topics to FOA to advance critical energy innovation

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Direct removal of CO 2 from the atmosphere, sometimes referred to as direct air capture (DAC), is the separation of CO 2 at ambient concentration (about 410 parts per million by volume fraction (ppmv)) from air. ARPA-E seeks to establish robust, energy efficient, and low-cost strategies for direct removal of carbon dioxide from ambient air.

Energy 332
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Study suggests that decarbonizing US transport sector by converting waste CO2 to fuels would require economical air-capture of CO2

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pre- and post- decarbonization of the electric power sector—to which he referred as pre-CCS and post-CCS, respectively (although decarbonization was not necessarily via CCS—carbon capture and storage).) Tags: Algae Algal Fuels Carbon Capture and Conversion (CCC) Emissions Lifecycle analysis.