中国电机工程学报2011，Vol.31Issue(20)：33-39,7.
固体氧化物燃料电池与质子交换膜燃料电池联合系统的建模与仿真
Modeling and Simulation of a Hybrid System Combining Solid Oxide and Proton Exchange Membrane Fuel Cell
摘要
Abstract
This article established a new electrical system structure-solid oxide fuel cell (SOFC) and proton exchange membrane fuel cell (PEMFC) hybrid power generation system. In this system, a high-temperature solid oxide fuel cell not only was used to produce electricity but also supply the reformed gas to a polymer electrolyte membrane fuel cell to generate extra electricity simultaneously, which can improve the energy conversion efficiency and save the cost of reformer significantly. This paper established the mathematics model of SOFC-PEMFC hybrid system base on mass and energy balance coupled with electrochemistry theory. The particular discussion of the effects of the system parameter (fuel utilization, air to fuel ratio, and fuel flow-rate) on the system performance was performed. Results show that the electrical efficiency and system efficiency predicted for the hybrid system are shown to be 54% and 73.3% respectively, which better than a reformer-PEM system and a SOFC-only system with the same power output. Reasonable air to fuel ratio could improve the performance of the hybrid system. Moreover, electrical efficiency reaches the maximum when the value of fuel utilization in SOFC is 75% and fuel flow-rate has no effect on the electrical efficiency.关键词
固体氧化物燃料电池；质子交换膜燃料电池；联合发电系统；数学模型；系统仿真/性能分析Key words
solid oxide fuel cell/ proton exchange membrane fuel cell/ hybrid system/ mathematic model/ system simulation/ performance analysis分类
资源环境引用本文复制引用
谭玲君,杨晨..固体氧化物燃料电池与质子交换膜燃料电池联合系统的建模与仿真[J].中国电机工程学报,2011,31(20):33-39,7.基金项目
国家自然科学基金项目(50876117)；中央高校基本科研业务费资助(CDJXSl4141149)。 （50876117）
