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New photocatalytic system converts carbon dioxide to valuable fuel more efficiently than natural photosynthesis

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The new system mimics a natural chloroplast to convert carbon dioxide in water into methane, very efficiently using light. Photosynthesis is the process by which chloroplasts in plants and some organisms use sunlight, water and carbon dioxide to create food or energy.

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Researchers develop new stable artificial photosynthesis device to produce ethylene and hydrogen from sunlight and CO2

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For the current study, Toma and her team designed a model solar fuels device known as a photoelectrochemical (PEC) cell made of copper(I) oxide or cuprous oxide (Cu 2 O), a promising artificial photosynthesis material. The Advanced Light Source, Molecular Foundry, and NERSC are user facilities at Berkeley Lab. Zheng, F.,

Hydrogen 305
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New efficient, low-temperature catalyst for converting water and CO to hydrogen and CO2

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Scientists in the US and China have developed a new low-temperature catalyst for producing high-purity hydrogen gas while simultaneously using up carbon monoxide (CO) via the water-gas shift (WGS) reaction. Its synergy with adjacent Mo sites in α-MoC can effectively activate water at low temperature. —Yao et al.

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Berkeley Lab team validates bio-analogous technique for converting CO2 into liquid acetate

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Based on those previous studies, Yang and his team reasoned that artificial photosynthesis devices equipped with a copper catalyst should be able to convert CO 2 and water into methyl and carbonyl groups, and then turn these products into acetate. Researchers from Berkeley Lab and UC Berkeley participated in the study.

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Berkeley Lab solar-to-fuel system for CO2 to ethanol and ethylene; light-powered production of fuel via artificial photosynthesis

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This new work, described in a study published in the journal Energy and Environmental Science , is the first to successfully demonstrate the approach of going from carbon dioxide directly to target products—ethanol and ethylene—at energy conversion efficiencies rivaling natural counterparts. Earlier post.). to 1-sun illumination.

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MIT researchers propose mechanism for overcoming bottleneck in electroreduction of CO2

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The thermal processes require very high temperature, and they don’t produce very high-value chemical products, which is a challenge with the light-activated processes as well, says co-corresponding author Kripa Varanasi. Efficiency is always at play, always an issue.”. —Kripa Varanasi.

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Researchers develop efficient single-atom Ni catalyst for conversion of CO2 to CO

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While Ni metal catalyzes the hydrogen evolution reaction (HER) exclusively under CO 2 RR conditions, Ni single atomic sites present a high CO selectivity of 95% under an overpotential of 550 mV in water, and an excellent stability over 20 hours’ continuous electrolysis. The current density can be scaled up to more than 50 mA cm?2