These days, the world faces glitches like energy crises, global warming and ozone depletion due to the power generation from fossil fuel. Petroleum derivative assets are diminishing with time because of which costs of traditional hydrocarbon fuel ascends in the universal market, along these lines most nations of the world are putting resources into sustainable power sources. Not at all like regular petroleum product run control age framework, is a power source that vitality effective, deliver low pollutions and being provided by boundless minimal effort fuel. The innovation of the fuel cell can handle these difficulties that are the reason as fuel cell is considered as ecological agreeable and effective innovation of future. Among different sorts of fuel cell, Polymer Electrolyte Membrane (PEM) fuel cell is the most diffused and well known kind of market because of its sound highlights, for example, low working temperature, brisk variety as per stack, high proficiency and better power density. In this paper PEM fuel cell stack is outlined and its model is executed in MATLAB/Simulink to dissect the examine the happening in PEM fuel cell stack and the variables that influence the efficiency of the fuel cell stacks. Besides, the properties of fuel cell stack are examined fluctuating flow rate of fuel and oxidants. The attributes curves are broken down with various working temperature, humidification temperatures, and mass (oxygen) exchange proportion.
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