Recycling low and medium heat is important for saving energy and reducing pollutant emissions. The continuous thermally regenerative electrochemical cycle (C-TREC) have attracted attention because of their ability to continuously output electrical energy. In this study, a two-dimensional stationary model coupling flow and electrochemical reactions is developed to investigate the flow and C-TREC electrochemical reactions during the charging and discharging process of a continuous thermally regenerative electrochemical cycle. The effects of porous electrode geometry, porosity, current density, overpotential, and temperature difference between hot and cold sources on the performance of C-TREC are analyzed. The study specifies the operation strategy during charging and discharging.
Keywords low and medium temperature thermal energy, thermally regenerative electrochemical cycle, charge-discharge process