Articles with "zero gap" as a keyword



Concentrated formate produced through co‐electrolysis of CO2 and methanol in a zero‐gap electrolyzer

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Published in 2024 at "AIChE Journal"

DOI: 10.1002/aic.18382

Abstract: Recent progresses have highlighted the enormous potentials of renewable electricities driven carbon dioxide (CO2) electrolysis in achieving carbon neutrality. However, its further industrial application is limited by low liquid product concentrations, which requires energy‐intensive downstream… read more here.

Keywords: zero gap; co2; concentrated formate; formate ... See more keywords
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Performance and stability of Aemion® and Aemion+® membranes in zero-gap CO2 electrolyzers with mild anolyte solutions.

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Published in 2023 at "ChemSusChem"

DOI: 10.1002/cssc.202202376

Abstract: The dependence of performance and stability of a zero-gap CO2 electrolyzer on the properties of the anion exchange membrane (AEM) is examined. This work compares the influence of the anolyte when using an Aemion® membrane… read more here.

Keywords: zero gap; gap co2; aemion; performance stability ... See more keywords

A Zero-Gap Gas Phase Photoelectrolyzer for CO2 Reduction with Porous Carbon Supported Photocathodes.

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Published in 2024 at "ChemSusChem"

DOI: 10.1002/cssc.202400518

Abstract: A modified Metal-Organic Framework UiO-66-NH2-based photocathode in a zero-gap gas phase photoelectrolyzer was applied for CO2 reduction. Four types of porous carbon fiber layers with different wettability were employed to tailor the local environment of… read more here.

Keywords: gas phase; carbon; zero gap; co2 reduction ... See more keywords

Prototype Validation of a Large‐Scale CO2‐to‐Formate Zero‐Gap Electrolyzer

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Published in 2025 at "Chemsuschem"

DOI: 10.1002/cssc.202501116

Abstract: The scale‐up of gas‐phase CO2 electroreduction to formate is crucial for its industrial application but remains largely unexplored. This work presents the design and validation of a 100 cm2 electrolyzer prototype featuring a zero‐gap configuration and… read more here.

Keywords: zero gap; co2; prototype; scale ... See more keywords

Electrochemical Reduction of CO2 in a Zero‐Gap Electrolyzer Cell on a Metal Molecular Electrocatalyst

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Published in 2025 at "ChemistryOpen"

DOI: 10.1002/open.202400488

Abstract: Electrochemical reduction of CO2 (ECR) on transition metal‐containing porphyrin systems often leads to carbon monoxide. Herein, a modified zero‐gap polymer electrolyte membrane water electrolyzer is used with 5,10,15,20–tetraphenyl–21H,23H–porphine copper (II) as a cathodic electrocatalyst for… read more here.

Keywords: reduction co2; metal; electrochemical reduction; zero gap ... See more keywords

Ohmic resistance in zero gap alkaline electrolysis with a Zirfon diaphragm

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Published in 2021 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2020.137684

Abstract: Abstract Alkaline water electrolyzers are traditionally operated at low current densities, due to high internal ohmic resistance. Modern diaphragms with low internal resistance such as the Zirfon diaphragm combined with a zero gap configuration potentially… read more here.

Keywords: zero gap; zirfon diaphragm; resistance;

Engineering Aspects for the Design of a Bicarbonate Zero-Gap Flow Electrolyzer for the Conversion of CO2 to Formate.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c05457

Abstract: CO2 electrolyzers require gaseous CO2 or saturated CO2 solutions to achieve high energy efficiency (EE) in flow reactors. However, CO2 capture and delivery to electrolyzers are in most cases responsible for the inefficiency of the… read more here.

Keywords: zero gap; flow; co2 electrolyzers; bicarbonate zero ... See more keywords

Zero-Gap Electrochemical CO2 Reduction Cells: Challenges and Operational Strategies for Prevention of Salt Precipitation

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Published in 2022 at "ACS Energy Letters"

DOI: 10.1021/acsenergylett.2c01885

Abstract: Salt precipitation is a problem in electrochemical CO2 reduction electrolyzers that limits their long-term durability and industrial applicability by reducing the active area, causing flooding and hindering gas transport. Salt crystals form when hydroxide generation… read more here.

Keywords: salt precipitation; co2 reduction; zero gap; salt ... See more keywords

A Nature-Inspired Solution for Water Management in a Zero-Gap CO2 Electrolyzer

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Published in 2025 at "ACS Energy Letters"

DOI: 10.1021/acsenergylett.5c01243

Abstract: Electroreduction of carbon dioxide (CO2RR) holds great promise as a CO2 emission mitigation strategy while producing valuable chemicals. This study draws inspiration from desert-dwelling lizards to design a flow-field that increases the performance of the… read more here.

Keywords: field; flow field; zero gap; co2 electrolyzer ... See more keywords

Zero-Gap Bipolar Membrane Electrolyzer for Carbon Dioxide Reduction Using Acid-Tolerant Molecular Electrocatalysts

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c13024

Abstract: The scaling-up of electrochemical CO2 reduction requires circumventing the CO2 loss as carbonates under alkaline conditions. Zero-gap cell configurations with a reverse-bias bipolar membrane (BPM) represent a possible solution, but the catalyst layer in direct… read more here.

Keywords: zero gap; using acid; acid tolerant; bipolar membrane ... See more keywords

Opening the pathway towards a scalable electrochemical semi-hydrogenation of alkynols via earth-abundant metal chalcogenides

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Published in 2022 at "Chemical Science"

DOI: 10.1039/d2sc04647d

Abstract: Electrosynthetic methods are crucial for a future sustainable transformation of the chemical industry. Being an integral part of many synthetic pathways, the electrification of hydrogenation reactions gained increasing interest in recent years. However, for the… read more here.

Keywords: zero gap; catalyst; hydrogenation; hydrogenation alkynols ... See more keywords