Fabrication and properties of anode-supported tubular solid oxide fuel cells |
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| Affiliation: | 1. School of Metallurgy, Northeastern University, Shenyang, 110819, China;2. Liaoning Key Laboratory for Metallurgical Sensor and Technology, Northeastern University, Shenyang, 110819, China;1. Department of Applied Chemistry, School of Advanced Materials and Nanotechnology, Xidian University, Xi''an 710071, PR China;2. Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA;3. National Key Laboratory for Precision Hot Processing of Metals, MIIT Key Laboratory of Advanced Structure-Function Integrated Materials and Green Manufacturing Technology, School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;4. School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 201418, China;1. College of Aeronautics and Engineering, Kent State University, OH 44242, USA;2. Department of Engineering Technology, Kent State University at Tuscarawas, OH 44663, USA;1. Nigde Omer Halisdemir University, Prof. Dr. T. Nejat Veziroglu Clean Energy Research Center, 51245, Nigde, Turkey;2. Nigde Omer Halisdemir University, Mechanical Engineering Department, 51245, Nigde, Turkey;3. Nigde Omer Halisdemir University, Department of Energy Science and Technologies, 51245, Nigde, Turkey;1. Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, PR China;2. ISOFC Dynamic Co., Ltd., Foshan, PR China |
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| Abstract: | Tubular solid oxide fuel cell (SOFC) systems have many desirable characteristics over their planar counter-parts. Anode-supported tubes provide an excellent platform for individual cells. They allow for a thin electrolyte layer to be applied to the outside of the tube, which helps to minimize polarization losses. This paper describes the fabrication of nickel–zirconia (Ni–YSZ)-based anode tubes via extrusion of a plastic mass through a die of the required dimensions. The anode tubes were then dried and fired. Tests were performed on the tubes to determine the effects of firing temperature on porosity to allow for a pinhole-free electrolyte coating to be applied. Thin layer coating techniques, including vacuum-assisted dip coating and painting, were compared. Ni–YSZ anode-supported tubular SOFCs with a gas-tight thin YSZ electrolyte layer were then realized. Microstructure of the anode support, electrolyte and cathode thin films was also examined. |
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