ArticleUltrasonics sonochemistry2026
Chladni figures reduce ohmic losses in alkaline electrolysis.
Article in Ultrasonics sonochemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Ultrasound-assisted electrochemical hydrogen production in a 300 kHz sonoreactor in the presence of methanol.Ultrasonics sonochemistry · 2026Article
- Development, Electrochemical Characterization, and Statistical Optimization of a Low-Cost Membraneless Tubular Flow-By Alkaline Electrolyzer for Green Hydrogen Production.Molecules (Basel, Switzerland) · 2026Article
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Authors and funding
5 authors.
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Abstract
An method for hydrogen bubble removal through ultrasonic excitation applied directly through the cathode is presented in this work. High-speed imaging, pressure field measurements, and overvoltage monitoring were employed to characterize how cathode vibration in the 100 kHz range influences electrolytic efficiency. Upon the start of the vibration, hydrogen bubbles detached and migrated across the surface, forming distinct spatial patterns corresponding to the electrode's vibrational modes and resembling Chladni figures. The bubble migration is dominated by the primary Bjerknes force arising from acoustic pressure gradients. This is confirmed by the Keller-Miksis model which predicts the observed movement of the bubbles to the pressure nodes. The work demonstrates that electrode vibrations significantly reduced ohmic losses, with overvoltage dropping 20% within 100 ms during a 2 s activation period. The voltage required 7 s to return to initial values after deactivation, indicating that pulsed vibration strategies can achieve superior efficiency compared to continuous running setups.
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