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Related Experiment Video

Updated: Oct 20, 2025

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level

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Efficient Mesh Interface Engineering: Insights from Bubble Dynamics in Electrocatalysis.

Long Li¹, Wenjun Jiang¹, Guang Zhang¹

¹Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, China.

ACS Applied Materials & Interfaces

|September 15, 2021

Summary

This summary is machine-generated.

Understanding bubble dynamics in gas-evolving electrocatalysis is crucial. This study investigates titanium electrode morphologies and applied voltage effects on bubble behavior and water splitting efficiency, offering insights for reactor design.

Keywords:

bubble growth and detachment bubble nucleation electrocatalysis mesh electrode water splitting

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Area of Science:

Electrochemistry
Catalysis
Materials Science

Background:

Bubble dynamics in gas-evolving electrode systems are not fully understood, hindering optimization of electrochemical catalysis for energy and mass conversion.
Detailed knowledge of interphase transport and mechanisms is essential for comprehending two-phase flow evolution and distribution.

Purpose of the Study:

To systematically investigate the influence of titanium electrode morphology on bubble dynamics during water splitting.
To correlate bubble behavior with electrochemical reaction performance and system efficiency under varying applied voltages.

Main Methods:

Construction of a three-electrode water splitting system using titanium electrodes with varying mesh structures (plate, 100, 150, 300 mesh).
Systematic investigation of gas bubble dynamics at the electrode surface under different applied voltage conditions.
Analysis of dynamic force balance on gas bubbles to elucidate underlying mechanisms.

Main Results:

Demonstrated a systematic investigation of gas bubble dynamics on titanium electrodes with different morphologies (plate, 100, 150, 300 mesh) under varying applied voltages.
Provided detailed insights into the parameters and mechanisms influencing two-phase flow evolution and electrochemical reaction performance.
Analyzed the dynamic force balance on gas bubbles, correlating experimental observations with theoretical understanding.

Conclusions:

The study offers critical insights into gas-evolving electrocatalysis by elucidating bubble dynamics on different titanium electrode morphologies.
Findings provide a foundation for the rational design and fabrication of high-performance electrocatalytic reactors for energy conversion applications.