| 固体氧化物燃料电池堆多物理场耦合模拟的高效电化学-传质耦合算法 |
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| 引用本文： | 李昂,林子敬.固体氧化物燃料电池堆多物理场耦合模拟的高效电化学-传质耦合算法[J].化学物理学报,2017,30(2):139-146. |
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| 作者姓名： | 李昂 林子敬 |
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| 作者单位： | 中国科学技术大学物理系, 合肥微尺度物质科学国家实验室(筹), 合肥 230026,中国科学技术大学物理系, 合肥微尺度物质科学国家实验室(筹), 合肥 230026 |
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| 基金项目： | This work is supported the National Natural Science Foundation of China (No.11374272 and No.11574284), the National Basic Research Program of China (No.2012CB215405) and Collaborative Innovation Cen-ter of Suzhou Nano Science and Technology are grate-fully acknowledged |
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| 摘 要： |
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| 收稿时间： | 2016/10/23 0:00:00 |
| 修稿时间： | 2016/11/5 0:00:00 |
Efficient Mass Transport and Electrochemistry Coupling Scheme for Reliable Multiphysics Modeling of Planar Solid Oxide Fuel Cell Stack |
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| Ang Li and Zi-jing Lin.Efficient Mass Transport and Electrochemistry Coupling Scheme for Reliable Multiphysics Modeling of Planar Solid Oxide Fuel Cell Stack[J].Chinese Journal of Chemical Physics,2017,30(2):139-146. |
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| Authors: | Ang Li and Zi-jing Lin |
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| Institution: | Hefei National Laboratory for Physical Sciences at the Microscales & CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Department of Physics, University of Science and Technology of China, Hefei 230026, China and Hefei National Laboratory for Physical Sciences at the Microscales & CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics, Department of Physics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | A multiphysics model for a production scale planar solid oxide fuel cell (SOFC) stack is important for the SOFC technology, but usually requires an unpractical amount of computing resource. The major cause for the huge computing resource requirement is identified as the need to solve the cathode O2 transport and the associated electrochemistry. To overcome the technical obstacle, an analytical model for solving the O2 transport and its coupling with the electrochemistry is derived. The analytical model is used to greatly reduce the numerical mesh complexity of a multiphysics model. Numerical test shows that the analytical approximation is highly accurate and stable. A multiphysics numerical modeling tool taking advantage of the analytical solution is then developed through Fluent®. The numerical efficiency and stability of this modeling tool are further demonstrated by simulating a 30-cell stack with a production scale cell size. Detailed information about the stack performance is revealed and brie y discussed. The multiphysics modeling tool can be used to guide the stack design and select the operating parameters. |
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| Keywords: | Simulation Mesh setting Analytical model Computational efficiency Numer-ical stability |
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