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Engineering Anode Architectures for Efficient Electrochemical Advanced Oxidation: From Material Innovations to
Peng Liu1, Jianhong Jiang1, Zhongbo Hu1
1PowerChina Chengdu Engineering Corporation Limited, Chengdu 610031, P. R. China.
Langmuir : the ACS Journal of Surfaces and Colloids
|December 25, 2025
Summary
Electrochemical advanced oxidation processes (EAOPs) offer a sustainable solution for toxic organic contaminant removal in wastewater. This review highlights advancements in anode materials and design for enhanced pollutant degradation and improved wastewater treatment.
Area of Science:
- Environmental Science
- Materials Science
- Electrochemistry
Background:
- Industrial activities release toxic and refractory organic contaminants, threatening ecosystems and human health.
- Conventional wastewater treatments face limitations like incomplete pollutant breakdown, high energy use, and secondary pollution.
- Electrochemical advanced oxidation processes (EAOPs) emerge as a promising alternative for efficient in situ pollutant degradation.
Purpose of the Study:
- To provide a comprehensive review of recent advancements in anode materials and structural designs for EAOPs in organic wastewater treatment.
- To analyze the impact of electrode architecture, composition, and surface functionalization on EAOP performance.
- To establish structure-performance-mechanism relationships for guiding the development of next-generation EAOP electrodes.
Main Methods:
- Review of recent literature on anode materials and structural design strategies for EAOPs.
- Analysis of how electrode properties influence catalytic activity, reactive oxygen species (ROS) generation, charge transfer, and durability.
- Investigation of the interplay between material characteristics, operational parameters, and wastewater matrices.
Main Results:
- Electrode architecture, compositional tuning, and surface functionalization significantly enhance catalytic activity and ROS yield.
- Optimized electrode designs improve charge transfer efficiency and operational durability in EAOPs.
- Understanding structure-performance-mechanism relationships is crucial for advancing EAOP technology.
Conclusions:
- EAOPs show significant potential for effective and sustainable organic wastewater treatment.
- Next-generation electrode development requires a focus on tailored material properties and structural designs.
- This review provides guidelines for transitioning EAOPs from laboratory research to real-world applications.
