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Stanford engineers develop catalyst strategy to improve turnover frequencies for CO2 conversion to hydrocarbons by orders of magnitude

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Researchers at Stanford University have shown that porous polymer encapsulation of metal-supported catalysts can drive the selectivity of CO 2 conversion to hydrocarbons. The research team encapsulated a supported Ru/TiO 2 catalyst within the polymer layers of an imine-based porous organic polymer that controls its selectivity.

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New porous coordination polymer captures CO2, converts it to useful organic materials

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The new material is a porous coordination polymer (PCP, also known as MOF; metal-organic framework), a framework consisting of zinc metal ions. However, weak gas-binding ability and/or poor sample crystallinity after guest exchange hindered the development of efficient materials for CO 2 incorporation, activation and conversion.

Polymer 255
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New polymer membrane efficiently removes carbon dioxide from mixed gases; high permeability and selectivity

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A team of researchers from North Carolina State University, SINTEF in Norway and the Norwegian University of Science and Technology, has developed a polymer membrane technology that removes carbon dioxide from mixed gases with both high permeability and high selectivity. A paper on their work is published in the journal Science.

Polymer 186
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New system for more efficient CO2 electrolysis to hydrocarbon products

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The researchers combined a copper electrocatalyst with an ionomer [polymers that conduct ions and water] assembly that intersperses sulfonate-lined paths for the H 2 O with fluorocarbon channels for the CO 2. Resources. 2020) “CO2 electrolysis to multicarbon products at activities greater than 1 A cm -2.” Science Vol.

CO2 414
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Twelve and LanzaTech successfully convert CO2 to ethanol

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Our partnership with Twelve provides us with the feedstock needed to create critical resources like ethanol without adding CO 2 to the atmosphere. Polypropylene is a major polymer used in key applications, including medical devices like syringes and IV bags, automotive, furniture, textiles, and other durable products.

Convert 324
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MIT researchers propose mechanism for overcoming bottleneck in electroreduction of CO2

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The findings could spur progress on developing a variety of materials and designs for electrochemical carbon dioxide conversion systems. There are several ways to do such conversions, including electrochemical, thermocatalytic, photothermal, or photochemical processes—each with their own problems or challenges. Lake, and Kripa K.

MIT 284
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Researchers tailor catalyst microenvironments to enhance CO2 electroreduction to multicarbon products

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To pinpoint a design that could be used in the aqueous environment of fuel cells, Bell and his team, as part of the Department of Energy’s Liquid Sunlight Alliance Energy Innovation Hub (LiSA) project, turned to thin layers of ionomers, polymers that allow certain charged molecules (ions) to pass through while excluding others.

CO2 221