Electrochemical processes are poised to play a pivotal role in the evolving global power system because the efficient interconversion of electrical and chemical energy can enable the development of green technologies that support the decarbonization of the electric grid, power the automotive fleet, and offer new opportunities for chemical manufacturing. Porous materials (e.g. electrodes) are central to advanced electrochemical systems as they are responsible for multiple critical functions in the cell related to thermodynamics, kinetics, and transport. They provide surfaces for electrochemical reactions, conduct electrons and heat, and distribute fluids. Thus, their design governs the performance, durability, and consequently, the cost of these systems. In this seminar, I will present my recent research efforts to develop advanced porous materials for polymer electrolyte fuel cells (PEFCs) and redox flow batteries (RFBs). First, I will discuss the fabrication, characterization, and performance of novel gas diffusion layer materials with patterned wettability to optimize the water and gas transport in PEFCs. Then, I will discuss my current efforts to develop advanced electrodes for nonaqueous RFB through understanding the role of electrode microstructure and surface chemistry.
Aula de Formación Marie Sklodowska