Performance enhancement of electrocatalytic hydrogen evolution through coalescence-induced bubble dynamics
The evolution of electrogenerated gas bubbles during water electrolysis can significantly
hamper the overall process efficiency. Promoting the departure of electrochemically …
hamper the overall process efficiency. Promoting the departure of electrochemically …
Insight into pH-controlled bubble dynamics on a Pt electrode during electrochemical water splitting
Bubbles adhering to the electrode surface are the major factors causing the decreased
efficiency of water electrolysis. In this work, the dynamic behaviors of oxygen bubbles on …
efficiency of water electrolysis. In this work, the dynamic behaviors of oxygen bubbles on …
Enhancing hydrogen bubble release from a microelectrode through precise tuning of Marangoni forces with nonionic surfactant
Understanding and controlling hydrogen bubble growth and detachment during water
electrolysis is crucial for improving its efficiency. This study investigates bubble dynamics for …
electrolysis is crucial for improving its efficiency. This study investigates bubble dynamics for …
Hydrogen bubble evolution and gas transport mechanism on a microelectrode determined by cathodic potential and temperature
Enhancing the efficiency of hydrogen production by optimizing gas product transfer within
water electrolysis systems is essential. Employing high-speed photography and …
water electrolysis systems is essential. Employing high-speed photography and …
Coalescence of Two Equal-Sized Bubbles with Air Injection
This study investigates the coalescence of two equal-sized bubbles with air injection in
distilled water experimentally, numerically, and theoretically. The neck expansion is the most …
distilled water experimentally, numerically, and theoretically. The neck expansion is the most …
Insight into the electrolyte concentration impact on single hydrogen bubble evolution dynamics at a microelectrode during electrochemical water splitting
Bubbles generated during electrochemical water splitting could adhere to the electrode
surface and therefore impede the reaction. Thus, understanding and manipulating the …
surface and therefore impede the reaction. Thus, understanding and manipulating the …
Immiscible non-Newtonian displacement flows in stationary and axially rotating pipes
W Liu, F Larachi, SM Taghavi - Physics of Fluids, 2024 - pubs.aip.org
We examine immiscible displacement flows in stationary and rotating pipes, at a fixed
inclination angle in a density-unstable configuration, using a viscoplastic fluid to displace a …
inclination angle in a density-unstable configuration, using a viscoplastic fluid to displace a …
[HTML][HTML] Enhancement of bubble transport in porous electrodes and catalysts
We investigate the formation and transport of gas bubbles across a model porous
electrode/catalyst using lattice Boltzmann simulations. This approach enables us to …
electrode/catalyst using lattice Boltzmann simulations. This approach enables us to …
Bubble generation mechanisms in microchannel under microgravity and heterogeneous wettability
Advances in hybrid surfaces have revealed interesting opportunities for multiphase flow
control under microgravity, as the surface tension force is dominant in this condition …
control under microgravity, as the surface tension force is dominant in this condition …
Coalescence induced late departure of bubbles improves water electrolysis efficiency
T Wu, B Liu, F Yuan, Q Yang - arXiv preprint arXiv:2403.12064, 2024 - arxiv.org
In this study, we examine the effects of bubble collisions and coalescence on electrolysis
performance using micro-electrodes in a 0.5 M H2SO4. We observe that the addition of …
performance using micro-electrodes in a 0.5 M H2SO4. We observe that the addition of …