Stabilising methane production in a series-stack of bioelectrochemical systems
Maria Vega-Paredes, Daniele Molognoni, Simone Colantoni, Pau Bosch-Jimenez, Sebastià Puig and Eduard Borràs
This article presents a simple, low-cost diode-based cell balance system (CBS) to address voltage imbalances in stacked bioelectrochemical systems for electromethanogenesis (EMG). The CBS was tested in a three-cell stack under normal and uneven feeding conditions, demonstrating effective voltage equilibration, enhanced methane production, and improved energy efficiency. The findings highlight the potential of CBS as a robust and scalable solution for reliable operation and industrial upscaling of EMG technology.
