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对金属支的固体氧化物燃料电池进行数值分析,重点关注温度场

Mengru Zhang¹, Enhua Wang¹, Meng Ni²

¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China.

|September 18, 2024

概括

金属支的固体氧化物燃料电池 (MS-SOFC) 提供了更好的性能和耐用性. 这项研究表明,MS-SOFC比传统设计具有更好的温度均性,增强了长期运行.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
能源转换能源转换

背景情况:

由于机械强度和成本,金属支固体氧化物燃料电池 (MS-SOFC) 对中温应用具有前景.
了解金属支对MS-SOFC性能和热性能的影响至关重要.

研究的目的:

研究金属支对基于基的MS-SOFC电化学性能和温度分布的影响.
为MS-SOFC分析开发和使用一个全面的3D多物理模型.

主要方法:

开发一个包含质量,动量和能量保存定律的3D多物理模型.
在模型中将质量运输和电化学反应结合在一起.
使用离散辐射模型计算墙壁温度.

主要成果:

辐射热流量占总热流量的3.13%.
与传统的阳极支持的SOFC相比,MS-SOFC的温度差异低3.61%.
在MS-SOFC中观察到增强的温度均性.

结论:

金属支显著提高了固体氧化物燃料电池的温度均性.
改进的热管理提高了电池的耐用性和运行稳定性.
开发的多物理模型为MS-SOFC设计和优化提供了宝贵的见解.

关键词:

基于Ceria的多层电解质.综合实地分析综合实地分析在金属支的固体氧化物燃料电池.多物理模型多物理模型辐射辐射辐射的辐射是什么

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