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PNNL team develops new low-cost method to convert captured CO2 to methane

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By using a water-lean post-combustion capture solvent, (N-(2-ethoxyethyl)-3-morpholinopropan-1-amine) (2-EEMPA), they achieved a greater than 90% conversion of captured CO 2 to hydrocarbons—mostly methane—in the presence of a heterogenous Ru catalyst under relatively mild reaction conditions (170 °C and 2 pressure). Heldebrant, D.,

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Researchers use melamine to create effective, low-cost carbon capture; potential tailpipe application

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UC Berkeley chemists created the first such carbon-capture MOF in 2015, and subsequent versions have proved even more efficient at removing carbon dioxide from flue gases, such as those from a coal-fired power plant. The low cost of porous melamine means that the material could be deployed widely. Haiyan Mao et al.

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New Na-ion battery combining intercalation and conversion could be promising low-cost energy storage system

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Scheme of the new full sodium-ion battery, which combines an intercalation cathode and a conversion anode. This battery system combines an intercalation cathode and a conversion anode, resulting in high capacity, high rate capability, thermal stability, and much improved cycle life. (In Credit: ACS, Oh et al. Click to enlarge.

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BIT, FAW team develops turbocharged, DI hydrogen engine; high power and efficiency, near-zero NOx

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direct-injection (DI) turbocharged hydrogen engine that delivers clean, efficient, and high-power performance. Peak power of 120 kW @ 4400 rpm and a maximum torque of 340 N·m @ 2000 rpm can be achieved with the matched turbocharger. High conversion efficiency of NO x emissions of more than 99.5% —Bao et al.

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SK E&S, SK Plug Hyverse partner with Korea South-East Power for green hydrogen & green ammonia production

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SK E&S and SK Plug Hyverse—a joint venture (JV) formed in January of this year by SK E&S and Plug Power—will work with Korea Southeast Power Generation (KOEN) to cooperate with green hydrogen and green ammonia projects based on renewable energy resources in Korea and abroad.

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Researchers develop earth-abundant photocatalyst for conversion of ammonia into hydrogen

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This discovery paves the way for sustainable, low-cost hydrogen that could be produced locally rather than in massive centralized plants. Syzygy has licensed Rice’s antenna-reactor technology, and the study included scaled-up tests of the catalyst in the company’s commercially available, LED-powered reactors.

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New high-performance lithiated silicon–sulfur battery with pomegranate-structured electrodes

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The pomegranate-like sulfur host with titanium nitride-carbon dual-layer hollow nanospheres (Pome-TiN@C) not only effectively suppresses the polysulfides diffusion by multiple layers of chemical and physical barriers, but also facilitates their conversion reactions. A paper on their work is published in the Journal of Power Sources.

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