Dear Colleagues,

Electrochemistry has emerged as a powerful tool for addressing critical challenges in the energy, environment, and health sectors. Recent progress in the field showcases how innovative solutions, particularly those focused on nanomaterial synthesis and processing, are effectively overcoming obstacles. By leveraging electron transfer principles at interfaces, electrochemical technologies offer promising opportunities for sustainable energy conversion and storage, environmental remediation, and healthcare diagnostics. In energy applications, electrochemistry plays a pivotal role in developing high-performance energy storage systems and efficient energy conversion devices. Researchers are exploring novel nanostructured electrode materials, such as transition metal oxides, sulfides, and carbon-based materials, to enhance electrochemical performance and stability. Advanced nanomaterial synthesis and processing techniques, including sol–gel and hydrothermal methods, enable tailored electrode materials with improved electrocatalytic activity and cost-effectiveness. These advancements enable integration with renewable energy sources, facilitating the conversion of intermittent power and promoting grid-scale energy storage for a cleaner and sustainable future.

Electrochemical technologies also address environmental challenges by providing effective solutions for pollution mitigation and sustainable resource utilization. Nanomaterial synthesis and processing techniques are used to design electrodes with enhanced performance for electrochemical wastewater treatment. Electrocoagulation, electrooxidation, and electrochemical membrane separation, coupled with advanced electrode materials, efficiently remove organic pollutants, heavy metals, and emerging contaminants. Nanomaterial-based electrochemical sensors and biosensors enable real-time monitoring of water and air quality, enabling the early detection of contaminants and interventions for pollution control. In healthcare, nanomaterials and electrochemistry play vital roles in diagnostics and personalized medicine. Nanomaterial-based electrochemical biosensors enable sensitive and selective detection of biomarkers, facilitating rapid and accurate disease diagnosis. Precise control of nanomaterial synthesis and surface functionalization optimizes biosensor performance for specific analytes. Miniaturized electrochemical devices, enabled by nanotechnology and microfluidics, allow for portable and point-of-care diagnostic platforms, enabling early disease detection, therapeutic monitoring, and personalized treatment strategies. To fully harness the potential of electrochemistry in energy, environment, and health, the development of advanced electrode materials with tailored nanomaterial properties is crucial. Interdisciplinary approaches integrating materials science, engineering, and computational modeling are necessary for designing and optimizing electrochemical devices and systems. Collaboration between academia, industry, and government can accelerate the translation of research findings into practical applications, driving advancements in electrochemistry for sustainable energy, environmental remediation, and healthcare diagnostics. This interdisciplinary field holds great promise for shaping a cleaner, healthier, and more sustainable future.

This Special Issue aims to review advances in nanomaterial synthesis and processing for advanced applications in the field of energy, environment, and health, as well as pave the way for future trends in this research field. Original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

• Electrochemical water splitting;
• Lithium-ion batteries;
• Zinc–air batteries;
• Hydrogen production by the photoelectrochemical method;
• Nitrogen, nitrate, and CO2 reduction reactions;
• Advancing environmental sensing and disaster response;
• Enhancing disaster response and environmental monitoring in coastal regions;
• Smart sensing solutions;
• Advancements in health monitoring: from wearables to integrated monitoring systems;
• Monitoring health in real time;
• Theoretical calculations (DFT, molecular dynamics, etc.).

Dr. Gnanaprakasam Janani
Prof. Dr. Uk Sim
Guest Editors

Manuscript Submission Information

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• nanomaterials
• electrochemistry
• energy storage
• energy conversion
• environment
• health
• sensing
• monitoring
• diagnostics