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Hydrogen Production by Water Electrolysis with Low Power and High Efficiency Based on Pre-Magnetic Polarization

Author

Listed:
  • Ke Li

    (School of Information Engineering, Southwest University of Science and Technology, Mianyang 621000, China)

  • Heng Zhang

    (School of Information Engineering, Southwest University of Science and Technology, Mianyang 621000, China)

  • Xiaoyu Zheng

    (School of Information Engineering, Southwest University of Science and Technology, Mianyang 621000, China)

  • Chang Liu

    (School of Environment and Resource, Southwest University of Science and Technology, Mianyang 621000, China)

  • Qianding Chen

    (School of Information Engineering, Southwest University of Science and Technology, Mianyang 621000, China)

Abstract

In this paper, a method of efficient hydrogen production using low-power electrolysis based on pre-magnetic polarization was proposed in order to improve the rate of hydrogen production by water electrolysis, with reduced energy consumption, molecular polarity, and stress–strain characteristics of distilled water under the condition of a pre-magnetic field. By constructing a microphysical model of hydrogen proton energy-level transition and a macroscopic mathematical model corresponding to magnetization vector-polarization hydrogen proton concentration in the pre-magnetic field, the ionic conductivity, electrolyte current density, interelectrode voltage, and hydrogen production efficiency under a varying magnetic field were qualitatively and quantitatively analyzed. In addition, an adjustable pre-magnetic polarization hydrolyzing hydrogen production test platform was set up to verify the effectiveness of the proposed method. The repeated test results, within a magnetic field strength range of 0–10,000 GS, showed that the conductivity of distilled water after pre-magnetic polarization treatment increased by 2–3 times, the electrolytic current density of the PEM (Proton Exchange Membrane) increased with increasing magnetic field strength, the voltage between the poles continuously decreased, and the hydrogen production rate was significantly improved. When the magnetic field strength reached 10,000 GS, the rate of hydrogen production by the electrolysis of distilled water increased by 15–20% within a certain period of time.

Suggested Citation

  • Ke Li & Heng Zhang & Xiaoyu Zheng & Chang Liu & Qianding Chen, 2022. "Hydrogen Production by Water Electrolysis with Low Power and High Efficiency Based on Pre-Magnetic Polarization," Energies, MDPI, vol. 15(5), pages 1-12, March.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:5:p:1878-:d:763497
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    References listed on IDEAS

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    1. Andrea Pietra & Marco Gianni & Nicola Zuliani & Stefano Malabotti & Rodolfo Taccani, 2021. "Experimental Characterization of an Alkaline Electrolyser and a Compression System for Hydrogen Production and Storage," Energies, MDPI, vol. 14(17), pages 1-17, August.
    2. Kaya, Mehmet Fatih & Demir, Nesrin & Rees, Neil V. & El-Kharouf, Ahmad, 2020. "Improving PEM water electrolyser’s performance by magnetic field application," Applied Energy, Elsevier, vol. 264(C).
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    2. Luis Camargo & Daniel Comas & Yulineth Cardenas Escorcia & Anibal Alviz-Meza & Gaylord Carrillo Caballero & Ivan Portnoy, 2022. "Bibliometric Analysis of Global Trends around Hydrogen Production Based on the Scopus Database in the Period 2011–2021," Energies, MDPI, vol. 16(1), pages 1-25, December.
    3. Wang, Zhiming & Wang, Xinru & Guo, Hao & Wang, Tieying & Li, Xueqiang & Liu, Shengchun & Xu, Chao & Wang, Kaichen, 2025. "A two-dimensional numerical study of oxygen transport in porous transport layer of PEMEC using the phase field method," Renewable Energy, Elsevier, vol. 247(C).

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