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MIT researchers boost efficiency of carbon capture and conversion systems

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Researchers at MIT have developed a method that could significantly boost the performance of carbon capture and conversion systems that use catalytic surfaces to enhance the rates of carbon-sequestering electrochemical reactions. Meanwhile, the competing hydrogen evolution was sharply curtailed.

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Researchers from MIT and Sun Catalytix develop an artificial leaf for solar water splitting to produce hydrogen and oxygen

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Researchers led by MIT professor Daniel Nocera have produced an “artificial leaf”—a solar water-splitting cell producing hydrogen and oxygen that operates in near-neutral pH conditions, both with and without connecting wires. (B) MS signal and SFE values for a wireless configuration. Reece et al. Click to enlarge.

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MIT proof-of-concept demo of ionic wind propulsion for aircraft

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MIT researchers have demonstrated that an aircraft with a 5-meter wingspan can sustain steady-level flight using ionic-wind propulsion. The MIT team’s final design resembles a large, lightweight glider. In this way, the batteries supply electricity at 40,000 volts to positively charge the wires via a lightweight power converter.

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MIT researchers propose mechanism for overcoming bottleneck in electroreduction of CO2

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Researchers at MIT have identified , quantified, and modeled a major reason for the poor performance of electroreduction processes to convert CO 2 to fuel or other useful chemicals. In all of these, I think the hydrogen co-evolution becomes a bottleneck. The research was supported by Shell, through the MIT Energy Initiative.

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MIT researchers develop oxygen permeable membrane that converts CO2 to CO

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MIT researchers have developed a new system that could potentially be used for converting power plant emissions of carbon dioxide into carbon monoxide, and thence into useful fuels for cars, trucks, and planes, as well as into chemical feedstocks for a wide variety of products.

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MIT team outlines path to low-cost solar-to-fuels devices; the artificial leaf

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A team of researchers at MIT has described a framework for efficiently coupling the power output of a series-connected string of single-band-gap solar cells to an electrochemical process that produces storable fuels. The original demonstration leaf in 2011 had low efficiencies, converting less than 4.7% Source: Winkler et al.

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MIT Researchers Identify New Low-Cost Water-Splitting Catalyst

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Nocera pictures small-scale systems in which rooftop solar panels would provide electricity, with any excess going to an electrolyzer to produce hydrogen, which would be stored in tanks. By doing so, he aims to imitate the process of photosynthesis, by which plants harvest sunlight and convert the energy into chemical form. 1001859107.

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