화학공학소재연구정보센터
International Journal of Hydrogen Energy, Vol.44, No.30, 15721-15726, 2019
Proton exchange membrane water electrolysis system-membrane electrode assembly with additive
In proton exchange membrane water electrolysis system, the performance is highly affected by the anode materials and the operation modes. In addition, high voltages are for higher hydrogen production and also ozone for disinfection. After switching off of the power and restarted, a decrease in electric conductivity may lead to a performance drop in further hydrogen/ozone/generation. In this study, three different additives, A, Z and V are adopted which respectively mixed with the PbO2 and to become anode catalyst ink. The characteristics of the anode catalysts are determined by interruptive power supply, electrochemical impedance spectroscopy, and cyclic voltammetry tests. The results show that additives A and Z have batter current efficiency than the other groups. Additionally, anode catalyst withadditive V possess the most outstanding durability among all groups. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.