The rst is the nernst equation, which describes the potential di erence between the electrode and electrolyte in the halfcell. Advancing the potential for solid oxide fuel cells duration. What are microbial fuel cells principle construction of mfc components of mfc working of mfc thermodynamics of mfc mfc design types of mfc applications of mfc advantages of mfc limitations of mfc conclusion references. The environment can greatly affect the cell s longevity. Vehicular applications of fuel cells are also explained. For systems designed to consume hydrogen directly, the only products are electricity, water and heat.
Fuel cells by vijay ramani fuel cells are electrochemical devices that directly convert chemical energy to electrical energy. In chapter, the systematic design of fuel cell hybrid drive trains is introduced. Fuel cells are also galvanic cells in which the reactants, to be oxidised at the anode fuels and reduced at the cathode oxidants, are provided continuously from. Onboard hydrogen storage in vehicles is an important factor that should be considered when designing fuel cell vehicles.
A durable fuel cell power system including hydrogen storage that achieves 60% energy efficiency when operating at peak power and that offers a 325 wkg power density and 220 wl operating on hydrogen. An introduction to fuel cell technology and economics. Thermodynamics, chemical reaction engineering, transport processes and electrochemical engineering perspectives of. This presentation does not contain any proprietary, confidential, or otherwise restricted information. Planning for hydrogen and fuel cell projects and intended to help project teams verify that their safety plan addresses all the necessary elements. The objectives of this fy 2005 pem fuel cell freeze and rapid start research at the national renewable energy laboratory nrel were to establish a factbased strategy for finding solutions for these freezerelated issues, particularly with rapid startup. A fuel cell is an electrochemical device, like a battery in that it converts the energy from a chemical reaction directly into electricity and heat.
Hydrogen and fuel cells in ports and shipping workshop. Fuel cell applications references 16 2 fuel cell basic chemistry and thermodynamics 17 2. Unesco eolss sample chapters energy carriers and conversion systems vol. Cost analysis of fuel cell system for transportation. Hybrid hydrogen 700 100 kg h2day fuel cell ferry with batteries. Hydrogen, fuel cells, and infrastructure technologies fy 2003 progress report 1 highperformance, matching, pem fuel cell components and integrated pilot manufacturing processes mark k. A software simulation program for a hybrid fuel cell.
Enthalpy and entropy of hydrogen fuel cell reaction efficiency of hydrogen fuel cells by considering the higher heating value of hydrogen. The typical lifespan of a fuel cell is between 8 and10 years, although all sanctioning bodies limit use to 5 years from the date of manufacture. Hydrogen and fuel cells update presentation by sunita satyapal, doe fuel cell technologies office, at the transportation research board subcommittee meeting, international aspects of transportation energy subcommittee in washington, d. Since there is no combustion, there are none of the pollutants commonly produced by boilers and furnaces. By following a few simple guidelines and inspecting your fuel cell on a regular basis, you can ensure that. In chapter 12, different fuel cell systems are described, mainly focusing on their operation principles and characteristics, technologies, and fuel supplies. The power plants are fuelled by hydrogen and oxygen from cryogenic tanks and provide both electrical power and drinking water. An aip system with sinavy pem fuel cells modules can be added to existing submarines. Fuel cell electric vehicle durability and fuel cell. Fcto fuel cell technologies office fcv fuel cell vehicle fy fiscal year gdp gross domestic product gem greenhouse gas emissions model ghg greenhouse gas gpra government performance and results act greet greenhouse gases, regulated emissions, and energy use in transportation model h 2 hydrogen hev hybrid electric vehicle. Highperformance, matching, pem fuel cell components and. So, if you look at the 3 major parts of a fuel cell which is the anode, cathode and electrolyte in principle is the same as a battery.
They consist of an electrolyte medium sandwiched between two electrodes fig. A fuel cell is a device that converts the chemical energy from a fuel into electricity through a chemical reaction of positively charged hydrogen ions with oxygen or another oxidizing agent. To do this, were going to make use of two equations from the last lecture. The fuel cell stack the fuel cell stack generates power by combining hydrogen with oxygen from the outside air. The rst is the nernst equation, which describes the potential di erence between the electrode and electrolyte in the halfcell reaction x s z i im i. Anna stefanopoulou and huei peng fuel cell systems o. Fuel cells are one of the cleanest and most efficient technologies for generating electricity. So, basically all you are doing is you are taking hydrogen and you are reacting it with oxygen.
A software simulation program for a hybrid fuel cell battery power supply for an electric forklift chan edward epe 2007 aalborg isbn. Safety planning for hydrogen and fuel cell projects. Dnv gl contribute with safety and classification competence and experience. Toyota has helped lead the industry in this fuel cell stack efficiency, achieving a high power output from a relatively compact system. Vehicle technologies and fuel cell technologies office. Modeling and control of fuel cell systems and fuel processors by jay tawee pukrushpan cochairs. Bioethanol, biodiesel and biobutanol aerobic and anaerobic wastewater treatment processes intended audience prerequisites industries applicable to. Advances in fuel cell vehicle design university of waterloo. This paper seeks to act as a first introduction to fuel cell technology, and to discuss in an objective manner the pros and cons of different fuel cell types, and their suitability for differing applications. Fuel cells a fuel cell is an alternative energy device, but it is not necessarily a renewable energy device. Each fuel cell is capable of supplying 12 kilowatts continuously, and up to 16 kilowatts for short periods.
Pem fuel cell freeze and rapid startup investigation. Stand alone systems, concept of microgrid and its components, hybrid systems hybrid with diesel, with fuel cell, solarwind, wind hydro systems, mode controller, load sharing, system sizing. Design of a fuel cell system design of a specification of requirements for a fuel cell system for the electric power generation in a 77foot sailing ship master of science thesis. Thermodynamic efficiency of hydrogen fuel cells youtube. It is only renewable if the source of the fuel used is renewable. Advances in fuel cell vehicle design by jennifer bauman a thesis presented to the university of waterloo in fulfillment of the. Fuel cell efficiency since fuel cells use materials that are typically burnt to release their energy,gy, y the fuel cell efficiency is described as the ratio of the electrical. Fuel cell technology 20180102, 953 pm electrode potential. Carnegie mellon universitys scott institute for energy innovation 862 views. Prabhakar singh center for clean energy engineering. High fructose corn syrup, cheese making, and single cell production vaccines production and metal leaching bioenergy gaseous fuels. One electrode called the anode facilitates electrochemical oxidation of fuel, while the other called the cathode promotes. Market segmentation analysis of medium and heavy duty.
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