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Experimental and analytical investigation of molten carbonate fuel cell stack

机译：熔融碳酸盐燃料电池堆的实验和分析研究

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摘要

A high temperature molten carbonate fuel fell (MCFC) stack has been studied experimentally and computationally. A kW scale MCFC stack test station was designed and installed, and experimental investigations of the stack performance were conducted. A three-dimensional, variational parameter numerical model was developed and used to simulate the central fuel cell in the stack. Heat generation, mass transfer between anode and cathode and electrochemical characteristics of the fuel cell were considered in developing the model. The distributions of temperature on the cathode/current collector interface, current density, power density, water vapor concentration in the anode flow channel and and velocity for the fuel cell were simulated by solving the model using the computational fluid dynamics (CFD) technique. Simulation results show that the temperature, current and power densities reach their maximal values at the channel outlet. The comparison of the modeling results and experimental data shows good agreement.
机译：已经对高温熔融碳酸盐燃料降落（MCFC）烟囱进行了实验和计算研究。设计并安装了一个千瓦级的MCFC烟囱测试站，并进行了烟囱性能的实验研究。建立了三维可变参数数值模型，并将其用于模拟堆中的中央燃料电池。在模型开发中考虑了热量的产生，阳极与阴极之间的传质以及燃料电池的电化学特性。通过使用计算流体力学（CFD）技术求解模型，模拟了阴极/集流体界面上的温度分布，电流密度，功率密度，阳极流道中的水蒸气浓度以及燃料电池的速度。仿真结果表明，温度，电流和功率密度在通道出口处达到最大值。建模结果与实验数据的比较表明吻合良好。

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