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Modelling Properties of an Alkaline Electrolyser

Author

Listed:
  • Krzysztof Górecki

    (Department of Marine Electronics, Gdynia Maritime University, Morska 83, 81-225 Gdynia, Poland)

  • Małgorzata Górecka

    (Faculty of Electronics and Computer Science, Warsaw University of Technology, Nowowiejska 15/19, 00-665 Warszawa, Poland)

  • Paweł Górecki

    (Department of Marine Electronics, Gdynia Maritime University, Morska 83, 81-225 Gdynia, Poland)

Abstract

This paper proposes a model of an electrolyser in the form of a subcircuit dedicated for SPICE. It takes into account both the electric static and dynamic properties of the considered device and is devoted to the optimisation of the parameters of the signal feeding this electrolyser, making it possible to obtain a high productivity and efficiency of the electrolysis process. Parameter values the describing current-voltage characteristics of the electrolyser take into account the influence of the concentration of the potassium hydroxide (KOH) solution. A detailed description of the structure and all the components of this model is included in the paper. The correctness of the elaborated model is verified experimentally in a wide range of changes in the value of the feeding current and concentration of the KOH solution. Some computations illustrating the influence of the amplitude, average value, duty factor, and frequency of feeding current on the productivity and efficiency of the electrolysis process are performed. On the basis of the obtained results of the investigations, some recommendations for the operating conditions of electrolysers are formulated.

Suggested Citation

  • Krzysztof Górecki & Małgorzata Górecka & Paweł Górecki, 2020. "Modelling Properties of an Alkaline Electrolyser," Energies, MDPI, vol. 13(12), pages 1-13, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:12:p:3073-:d:371119
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    References listed on IDEAS

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