03 Fuel Cell Performance Measurement - 2015 0914 A

03 Fuel Cell Performance Measurement - 2015 0914 A -...

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Experiment 03 Fuel Cell Performance Measurement By Professor Wei-Hsiang Lai 1
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I. Introduction In the recent years, the green energy becomes important because of the shortage of fossil fuels and global warming problem. The co-generation power system is not possiblt to move to the green energy. Many countries have dedicated to explore the cutting-edge technology about using renewable sources as their main energy during these decades. Just as we know, for the conservation of energy, the development of the clean, renewable energy technologies, such as wind power, solar energy and fuel cell. Especially,the fuel cell have now become the focal point of our society. II. Purpose and methods This experiment is designed to allow students, 1. Understand the principle of the fuel cell 2. Understand the performance testing of the fuel cell There are now six types of fuel cell as viable system which can be roughly catagolized by temperature as follows (1) Low temperature(80 200 o C) (a) Proton exchange membrane fuel cell, PEMFC (b) Alkaline fuel cell, AFC (c) Phosphoric acid fuel cell, PAFC (2) Medium and High temperature(500 1000 o C) (a) Molten carbonate fuel cell, MCFC (b) Solid oxide fuel cell, SOFC Besides, direct methanol fuel cell(DMFC) is also operated at low temperature. DMFC is used the polyelectrolyte as membrane, it is same as the PEMFC, thus, PEMFC and DMFC can be called polymer electrolyte fuel cell(PEFC). We believe that PEMFC, DMFC, SOFC are the promising ssytems. Except above-mentioned points, PEFC can apply to portable electronic devices such as notebook, PDA…etc. The integration of the SOFC and the turbine engine is the most suitable for the heavy- duty generator. PEMFC is very applicable to electric vehicle, electric locomotive and so on. In this experiment, we use the PEMFC to understand its performance by utilizing the bulb as load to test the voltage and current. III. Basic Principles of Hydrogen Fuel Cells 1. Anodes At the anode of the proton exchange membrane fuel cell, the hydrogen releases H + ions and electrons.
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