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Solving the problems of proton-conducting perovskites for next-generation fuel cells - EurekAlert


As a newly developed perovskite with a large amount of intrinsic oxygen vacancies, BaSc0.8W0.2O2.8 achieves high proton conduction at low and intermediate temperatures, report scientists at Tokyo Tech. By the donor doping of large W6+, this material can take up more water to increase its proton concentration, as well as reduce the proton trapping through electrostatic repulsion between the dopant and proton. These findings could pave the way to the rational design of novel perovskites for protonic ceramic fuel cells (PCFCs) and electrolysis cells (PCECs).

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