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Meeting Materials Science & Technology 2019
Symposium Global Young Investigators Forum
Presentation Title Rational Anode Design for Protonic Ceramic Fuel Cells by a One-step Phase Inversion Method
Author(s) Jun Gao, Yuqing Meng, Tao Hong, Sungkyu Kim, Shiwoo Lee, Kai He, Kyle Brinkman
On-Site Speaker (Planned) Jun Gao
Abstract Scope A one-step phase inversion method was applied to fabricate an optimized anode structure or protonic ceramic fuel cells (PCFCs). The phase inversion process utilized raw starting chemicals, instead of crystalline BaCe0.7Zr0.1Y0.1Yb0.1O3-δ (BCZYYb) powder in an energy and time saving process. The resulting large and finger-like pores exhibited enhanced performance as compared to the disordered pores produced by conventional preparation of anode structures using dry pressing methods. The electrochemical performance of the rational designed anode supported cell were 494, 402, 302 and 200 mW cm-2 at 700, 650, 600 and 550 ̊C, respectively, which was nearly twice than the cell with dry pressing anode. An equivalent circuit modeling method was used to separate the anode polarization resistance from the single cell, confirming that the overall cell performance improvements were attributed to microstructural modifications of the anode by phase inversion process.
Proceedings Inclusion? Definite: At-meeting proceedings


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Rational Anode Design for Protonic Ceramic Fuel Cells by a One-step Phase Inversion Method
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