Search Results - "O'Brien, Colin P"
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Bipolar membrane electrolyzers enable high single-pass CO2 electroreduction to multicarbon products
Published in Nature communications (24-06-2022)“…In alkaline and neutral MEA CO 2 electrolyzers, CO 2 rapidly converts to (bi)carbonate, imposing a significant energy penalty arising from separating CO 2 from…”
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Low coordination number copper catalysts for electrochemical CO2 methanation in a membrane electrode assembly
Published in Nature communications (18-05-2021)“…The electrochemical conversion of CO 2 to methane provides a means to store intermittent renewable electricity in the form of a carbon-neutral hydrocarbon fuel…”
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Molecular tuning of CO2-to-ethylene conversion
Published in Nature (London) (23-01-2020)“…The electrocatalytic reduction of carbon dioxide, powered by renewable electricity, to produce valuable fuels and feedstocks provides a sustainable and…”
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CO2 Electrolyzers
Published in Chemical reviews (10-04-2024)“…CO2 electrolyzers have progressed rapidly in energy efficiency and catalyst selectivity toward valuable chemical feedstocks and fuels, such as syngas,…”
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Concentrated Ethanol Electrosynthesis from CO2 via a Porous Hydrophobic Adlayer
Published in ACS applied materials & interfaces (26-01-2022)“…Electrochemical CO2 reduction can convert waste emissions into dense liquid fuels compatible with existing energy infrastructure. High-rate electrocatalytic…”
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Efficient electrically powered CO2-to-ethanol via suppression of deoxygenation
Published in Nature energy (01-06-2020)“…The carbon dioxide electroreduction reaction (CO 2 RR) provides ways to produce ethanol but its Faradaic efficiency could be further improved, especially in CO…”
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Scaling CO2 Electrolyzer Cell Area from Bench to Pilot
Published in ACS applied materials & interfaces (25-09-2024)“…To contribute meaningfully to carbon dioxide (CO2) emissions reduction, CO2 electrolyzer technology will need to scale immensely. Bench-scale electrolyzers are…”
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In Situ Formation of Nano Ni–Co Oxyhydroxide Enables Water Oxidation Electrocatalysts Durable at High Current Densities
Published in Advanced materials (Weinheim) (01-11-2021)“…The oxygen evolution reaction (OER) limits the energy efficiency of electrocatalytic systems due to the high overpotential symptomatic of poor reaction…”
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Self-Cleaning CO2 Reduction Systems: Unsteady Electrochemical Forcing Enables Stability
Published in ACS energy letters (12-02-2021)“…The electrochemical conversion of CO2 produces valuable chemicals and fuels. However, operating at high reaction rates produces locally alkaline conditions…”
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Single-site decorated copper enables energy- and carbon-efficient CO2 methanation in acidic conditions
Published in Nature communications (07-06-2023)“…Renewable CH 4 produced from electrocatalytic CO 2 reduction is viewed as a sustainable and versatile energy carrier, compatible with existing infrastructure…”
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CO 2 Electrolyzers
Published in Chemical reviews (10-04-2024)“…CO electrolyzers have progressed rapidly in energy efficiency and catalyst selectivity toward valuable chemical feedstocks and fuels, such as syngas, ethylene,…”
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Designing anion exchange membranes for CO2 electrolysers
Published in Nature energy (01-04-2021)“…New technologies are required to electrocatalytically convert carbon dioxide (CO 2 ) into fuels and chemicals at near-ambient temperatures and pressures more…”
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Carbon-efficient carbon dioxide electrolysers
Published in Nature sustainability (01-07-2022)“…The electroreduction of CO 2 (CO 2 R) is the conversion of CO 2 to renewable fuels and feedstocks, a promising technology that could support the transition…”
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14
Scaling CO 2 Electrolyzer Cell Area from Bench to Pilot
Published in ACS applied materials & interfaces (25-09-2024)“…To contribute meaningfully to carbon dioxide (CO ) emissions reduction, CO electrolyzer technology will need to scale immensely. Bench-scale electrolyzers are…”
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15
Single Pass CO2 Conversion Exceeding 85% in the Electrosynthesis of Multicarbon Products via Local CO2 Regeneration
Published in ACS energy letters (13-08-2021)“…The carbon dioxide reduction reaction (CO2RR) presents the opportunity to consume CO2 and produce desirable products. However, the alkaline conditions required…”
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Reactive capture of CO2 via amino acid
Published in Nature communications (08-09-2024)“…Reactive capture of carbon dioxide (CO 2 ) offers an electrified pathway to produce renewable carbon monoxide (CO), which can then be upgraded into long-chain…”
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Dopant-tuned stabilization of intermediates promotes electrosynthesis of valuable C3 products
Published in Nature communications (22-10-2019)“…The upgrading of CO 2 /CO feedstocks to higher-value chemicals via energy-efficient electrochemical processes enables carbon utilization and renewable energy…”
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Early Warning for the Electrolyzer: Monitoring CO 2 Reduction via In-Line Electrochemical Impedance Spectroscopy
Published in ChemSusChem (07-12-2023)“…The electrochemical CO reduction reaction (CO RR) to fuels and feedstocks presents an opportunity to decarbonize the chemical industry, and current…”
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Efficient electrosynthesis of n-propanol from carbon monoxide using a Ag–Ru–Cu catalyst
Published in Nature energy (01-02-2022)“…The high-energy-density C 3 fuel n -propanol is desired from CO 2 /CO electroreduction, as evidenced by propanol’s high market price per tonne (approximately…”
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Downstream of the CO2 Electrolyzer: Assessing the Energy Intensity of Product Separation
Published in ACS energy letters (10-12-2021)“…The electrochemical reduction of carbon dioxide (CO2RR) to chemical feedstocks, such as ethylene (C2H4), is an attractive means to mitigate emissions and store…”
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