Analytical simulation of rich hydrogen gas - Air Proton Exchange Membrane Fuel Cell system fueled by natural gas

2008 Second International Conference on Thermal Issues in Emerging Technologies Pub Date : 2008-12-01 DOI:10.1109/THETA.2008.5167186

H. Khater, O. Abdelsalam, M. Hanafy, Y. Abdelraouf

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引用次数: 1

Abstract

A low temperature Proton Exchange Membrane Fuel Cell (PEMFC) system, fueled by natural gas is proposed and its performance is investigated by establishing a thermodynamic model of integral approach using energy and species mass conservation in addition to chemical and thermal equilibrium and electrochemical principals. Adiabatic cell reactions with temperature changes are assumed. Activation, ohmic and concentration potential losses are considered in cell voltage calculations. Estimate of the cost of electricity (COE) of the proposed system is also made using data fits of the available purchase costs. Computer programs using the Engineering Equation Solver (EES) supported with graphical user interface (GUI) are established for solution. Parametric studies are conducted to this system over ranges of: stack pressure, stack inlet temperature, reformer temperature, gas shift temperature and current density. Output power, electrical efficiency and the COE are calculated to investigate the economically optimum operating range of each input parameter.

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富氢气体-天然气燃料空气质子交换膜燃料电池系统的分析模拟

提出了一种以天然气为燃料的低温质子交换膜燃料电池(PEMFC)系统，并利用能量和物质质量守恒、化学和热平衡以及电化学原理建立了积分方法的热力学模型，对其性能进行了研究。假定温度变化时的绝热细胞反应。电池电压计算中考虑了活化、欧姆和浓度潜在损失。还使用可用购买成本的数据拟合来估计拟议系统的电力成本(COE)。利用工程方程求解器(EES)和图形用户界面(GUI)建立计算机程序进行求解。对该系统进行了参数化研究，范围包括:堆压、堆入口温度、重整器温度、气移温度和电流密度。通过计算输出功率、电效率和COE来研究各输入参数的经济最佳运行范围。

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2008 Second International Conference on Thermal Issues in Emerging Technologies

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