Applications of flexible electrochemical electrodes in wastewater treatment: A review

The advancement of energy storage technology has paved the way for the application of electrochemical processes in achieving low-carbon and precise environmental pollution reduction. Electrodes play a crucial role in efficiently removing organic pollutants and heavy metals. To implement electrochemical pollution control technology in practical engineering, flexible electrode preparation is vital. This review highlights recent progress in flexible electrode research, focusing on the selection and structural design of flexible electrode materials. It summarizes the latest advancements in current collectors, active materials, and preparation methods to enhance conductivity, flexibility, and cycle stability. The application of flexible electrodes in water pollution control is categorized into three aspects: organic pollutants, inorganic pollutants, and composite pollutants. Finally, the challenges and research requirements for enhancing electrode flexibility in environmental governance are discussed, along with prospects for their future applications.