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S. Mitsushima

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Jul 2026

( Invited ) Mass-Transfer Resistance across Bubble Layers on Wire- and Mesh-Type Electrodes during Alkaline Water Electrolysis

A major limitation of the practical implementation of alkaline water electrolysis (AWE) is the substantial increase in overvoltage caused by gas bubbles adhering to, and accumulating on the electrode surface under high current-density operation. Such bubble accumulation inhibits ion transport and blocks active electroc...

R. Misumi, S. Mitsushima · 0 citations
Jul 2026

Effects of Ni Electrode Surface Microstructure on Hydrogen Bubble Generation Behavior in Alkaline Water Electrolysis

Introduction Alkaline water electrolysis (AWE) has attracted considerable attention for hydrogen production; however, the generated bubbles can cover the electrode surface at high current densities, significantly increasing the overpotential 1) . Further research is required to understand the effects of the ge...

C. Toba, R. Misumi, Gaurav Verma et al. · 0 citations

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