Nanostructured gas diffusion layer to improve direct oxygen reduction reaction in Air-Cathode Single-Chamber Microbial Fuel CellsGiulia Massaglia, Eve Verpoorten, Candido F. Pirri and Marzia QuaglioE3S Web Conf., 334 (2022) 04012DOI: https://doi.org/10.1051/e3sconf/202233404012