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An Innovative 500 W Alkaline Water Electrolyser System for the Production of Ultra-Pure Hydrogen and Oxygen Gases

Author

Listed:
  • Boguslaw Pierozynski

    (Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Lodzki Square 4, 10-727 Olsztyn, Poland)

  • Tomasz Mikolajczyk

    (Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Lodzki Square 4, 10-727 Olsztyn, Poland)

  • Boguslaw Wojciechowski

    (Bob Energetyk Ltd., Jutrzenki 94 Street, 02-230 Warsaw, Poland)

  • Mateusz Luba

    (Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Lodzki Square 4, 10-727 Olsztyn, Poland)

Abstract

This paper communicates on an innovative, laboratory size alkaline water electrolyser (AWE) system, capable of efficiently producing ultra-pure hydrogen and oxygen gases. The system is composed of a zero-gap, bipolar-electrode stack, equipped with a polymer-based membrane, along with two drying columns for effective purification of H 2 and O 2 gaseous products. An optimal electrochemical efficiency of the electrolyser stack is provided through the employment of catalytically activated, extended surface-area nickel foam electrodes. Laboratory electrochemical examinations of the electrolyser included a series of galvanostatic AWE and alternating current (a.c.) impedance (single cell) experiments. Complementary examinations covered catalyst’s surface topography analysis by combined SEM (Scanning Electron Microscopy) and EDX (Energy Dispersive X-ray Spectroscopy) techniques along with chromatographic evaluation of the purity of hydrogen and oxygen products.

Suggested Citation

  • Boguslaw Pierozynski & Tomasz Mikolajczyk & Boguslaw Wojciechowski & Mateusz Luba, 2021. "An Innovative 500 W Alkaline Water Electrolyser System for the Production of Ultra-Pure Hydrogen and Oxygen Gases," Energies, MDPI, vol. 14(3), pages 1-11, January.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:3:p:526-:d:483546
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    References listed on IDEAS

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    1. Jan Christian Koj & Christina Wulf & Andrea Schreiber & Petra Zapp, 2017. "Site-Dependent Environmental Impacts of Industrial Hydrogen Production by Alkaline Water Electrolysis," Energies, MDPI, vol. 10(7), pages 1-15, June.
    2. Takaya Ogawa & Mizutomo Takeuchi & Yuya Kajikawa, 2018. "Analysis of Trends and Emerging Technologies in Water Electrolysis Research Based on a Computational Method: A Comparison with Fuel Cell Research," Sustainability, MDPI, vol. 10(2), pages 1-24, February.
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    Cited by:

    1. Cristina Hora & Florin Ciprian Dan & Nicolae Rancov & Gabriela Elena Badea & Calin Secui, 2022. "Main Trends and Research Directions in Hydrogen Generation Using Low Temperature Electrolysis: A Systematic Literature Review," Energies, MDPI, vol. 15(16), pages 1-21, August.

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