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Magnetochemistry, Volume 9, Issue 12

December 2023 - 2 articles

Cover Story: Employing an external magnetic field can mitigate energy consumption to enhance the water electrolysis efficiency. The electrode–normal magnetic field results in a magnet edge effect, and the electrode edge effect is achieved by varying the sizes of the magnet and electrode, both generating the Lorentz force. The Lorentz force induces a rotational flow, aiding the movement of hydrogen. Hydrogen bubbles produced under the magnet edge effect rotate in the opposite direction to those under the electrode edge effect. The magnet edge effect exerts a more pronounced influence on hydrogen bubble locomotion than the electrode edge effect. Utilizing multiple small magnets beneath the electrode generates enhanced magnet effects, resulting in a more substantial increase in current density. View this paper

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Article

3 Citations

3,611 Views

13 Pages

Effect of Electrode–Normal Magnetic Field on the Motion of Hydrogen Bubbles

Yen-Ju Chen,
Yan-Hom Li and
Ching-Yao Chen

Magnetochemistry2023, 9(12), 233;https://doi.org/10.3390/magnetochemistry9120233

18 December 2023

In comparison to alternative methods for hydrogen production, water electrolysis stands out as the optimal means for obtaining ultra-pure hydrogen. However, its widespread adoption is significantly hampered by its low energy efficiency. It has been e...

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Article

6 Citations

3,353 Views

14 Pages

Effect of Topology Parameters on Physical–Mechanical Properties of Magnetic PLA 3D-Printed Structures

Lucie Zárybnická,
Marek Pagáč,
Radek Ševčík,
Jaroslav Pokorný and
Martin Marek

Magnetochemistry2023, 9(12), 232;https://doi.org/10.3390/magnetochemistry9120232

18 December 2023

This work aims to characterize 3D-printed structures composed of a thermoplastic material (polylactic acid (PLA)) containing a combination of magnetic particles composed of iron(III) oxide (hematite) and iron(II)–iron (III) oxide (magnetite) wi...

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