Dr Brett's research is in the area of electrochemical engineering and technology. This includes electrochemical energy conversion and storage (fuel cells, batteries, supercapacitors, electrolysers); electrochemical sensors; electroanalysis, hybrid vehicles and micro-generation technologies. He specializes in developing novel diagnostic techniques for the study of high and low temperature fuel cells and their materials.
He is also active in modelling, instrumentation development, engineering design, device fabrication, materials development and techno-economic analysis of electrochemical energy conversion technologies.