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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

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Manufacturing of Ceramics for Electrochemical Oxidative Coupling of Methane
Analysis of the Mechanical Strength and Failure Mode of Undoped and Aluminum Titanate (Al2TiO5, ALT) Doped Ni-YSZ Solid Oxide Fuel Cell Anodes under Uniaxial and Biaxial Strength Testing Conditions
Electrode Engineering of 3D Self-architectured Cathode in Proton-conducting Solid Oxide Fuel Cells at Reduced Temperatures
High Performance Roll-to-roll Printed PTB7-Th:PC71BM Organic Solar Cells Enabled by Rapid Additive Removal
Microstructure and Thermoelectric Properties of Sr0.9La0.1TiO3 Ceramics with Nano-sized Metal Particles as Additive
P1-125: Infiltration Studies to Assess the Stability and Performance of BaCo0.4Fe0.4Zr0.1Y0.1O3-δ Cathode
Pair Distribution Function Computed Tomography to Investigate the Local Atomic Structure of Carbonated Alkali-activated Slag Paste
Probing the Influence of Defects on the Fundamental Mechanical Properties of Titanium Carbide MXenes via Atomistic Simulations
Quantifying the Nature and Impact of Multi-scale Microstructure Heterogeneities in SOFC Electrodes
Rapid Laser Reactive Sintering of Ceramics for 3D Printing of Protonic Ceramic Energy Devices
Rational Anode Design for Protonic Ceramic Fuel Cells by a One-step Phase Inversion Method
Statistical Mechanical Modeling of Topological Fluctuations and the Adaptability of Glass-forming Systems

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