However, template elements should not be considered an exhaustive list of safety considerations for all projects. Pem fuel cell freeze and rapid startup investigation. An aip system with sinavy pem fuel cells modules can be added to existing submarines. Gas electrodes some electrode reactions involve a gaseous species such as h2. 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. To do this, were going to make use of two equations from the last lecture. Cost analysis of fuel cell system for transportation. One electrode called the anode facilitates electrochemical oxidation of fuel, while the other called the cathode promotes. Fuel cell electric vehicle durability and fuel cell. Hydrogen and fuel cells in ports and shipping workshop. 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. Advances in fuel cell vehicle design university of waterloo.
It is only renewable if the source of the fuel used is renewable. They consist of an electrolyte medium sandwiched between two electrodes fig. Highperformance, matching, pem fuel cell components and. The rst is the nernst equation, which describes the potential di erence between the electrode and electrolyte in the halfcell. An introduction to fuel cell technology and economics. The hydrogen tanks all of our hydrogen tanks are produced inhouse and specially designed for mirai. The environment can greatly affect the cell s longevity. The results of the model should only be considered in conjunction with the assumptions used in selecting and scaling the system components.
Vehicle technologies and fuel cell technologies office. Fuel cells by vijay ramani fuel cells are electrochemical devices that directly convert chemical energy to electrical energy. So, basically all you are doing is you are taking hydrogen and you are reacting it with oxygen. 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. Advancing the potential for solid oxide fuel cells duration. 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. Onboard hydrogen storage in vehicles is an important factor that should be considered when designing fuel cell vehicles. Safety planning for hydrogen and fuel cell projects. Fuel cells a fuel cell is an alternative energy device, but it is not necessarily a renewable energy device. A software simulation program for a hybrid fuel cell battery power supply for an electric forklift chan edward epe 2007 aalborg isbn. This presentation does not contain any proprietary, confidential, or. Fuel cell technology 20180102, 953 pm electrode potential. Unesco eolss sample chapters energy carriers and conversion systems vol. Modeling and control of fuel cell systems and fuel processors by jay tawee pukrushpan cochairs.
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. Enthalpy and entropy of hydrogen fuel cell reaction efficiency of hydrogen fuel cells by considering the higher heating value of hydrogen. 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. Changes in temperature, sea level and northern hemisphere snow cover. 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. 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. Fuel cell applications references 16 2 fuel cell basic chemistry and thermodynamics 17 2. 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. Prabhakar singh center for clean energy engineering.
Hybrid hydrogen 700 100 kg h2day fuel cell ferry with batteries. Each fuel cell is capable of supplying 12 kilowatts continuously, and up to 16 kilowatts for short periods. High fructose corn syrup, cheese making, and single cell production vaccines production and metal leaching bioenergy gaseous fuels. Advances in fuel cell vehicle design by jennifer bauman a thesis presented to the university of waterloo in fulfillment of the. 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. Since there is no combustion, there are none of the pollutants commonly produced by boilers and furnaces. Fuel cells are one of the cleanest and most efficient technologies for generating electricity. In chapter, the systematic design of fuel cell hybrid drive trains is introduced. 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. Carnegie mellon universitys scott institute for energy innovation 862 views. Thermodynamics, chemical reaction engineering, transport processes and electrochemical engineering perspectives of. 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. 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.
Planning for hydrogen and fuel cell projects and intended to help project teams verify that their safety plan addresses all the necessary elements. Anna stefanopoulou and huei peng fuel cell systems o. Market segmentation analysis of medium and heavy duty. In chapter 12, different fuel cell systems are described, mainly focusing on their operation principles and characteristics, technologies, and fuel supplies. Bioethanol, biodiesel and biobutanol aerobic and anaerobic wastewater treatment processes intended audience prerequisites industries applicable to. This presentation does not contain any proprietary, confidential, or otherwise restricted information. Thermodynamic efficiency of hydrogen fuel cells youtube.
Vehicular applications of fuel cells are also explained. Hydrogen, fuel cells, and infrastructure technologies fy 2003 progress report 1 highperformance, matching, pem fuel cell components and integrated pilot manufacturing processes mark k. 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. 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. The fuel cell stack the fuel cell stack generates power by combining hydrogen with oxygen from the outside air. The power plants are fuelled by hydrogen and oxygen from cryogenic tanks and provide both electrical power and drinking water. The efficiency characteristics of fuel cells compared with other electric power generating systems are shown in.
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