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Fuel Cells
Fuel Cells convert an electrochemical reaction to electticity. There are applications that are sationary, portable and those used in transportation. All Fuel Cells are composed of an anode, cathode and electrolyte and are typically characterized by the composition of he electrolyte. The most common is the Proton Exchange Membrane (PEM). Others are Phospheric Acid (PAFC), Solid Oxide (SOFC), Molten Carbonate (MCFC) and Direct Methane (DMFC).
387 Questions
What does the bypass line from the electric fuel pump to the fuel cell do?
I believe you are asking about a fuel pump and fuel storage cell used to supply gasoline to an engine, perhaps in a car or other vehicle. If not, the answer below is wrong... The fuel pump can usually supply fuel at a much greater rate than the engine can use. In a carbureted engine, when the float bowl is full, the float and needle valve reduces fuel flow so as not to flood the engine. If the engine is idling or cruising with not much load, there is very little fuel flow to the carburetor. Most of the fuel just sits there in the line. If the temperature is high enough, like under the hood of a car sitting in traffic on a hot summer day, the stagnant fuel in the line can boil, causing vapor lock and a stalled engine. This is why we add a return line. Instead of just sitting there in the line, excess fuel flows through the bypass line back to the tank, where it mixes with the large volume of fuel in the tank, cooling it. The fuel circulating through the system never (hopefully) gets hot enough to cause problems. If the engine is fuel-injected instead, then the return line also serves another purpose. The pump sends fuel to the injector fuel rail, then the bypass line returns it to the tank. The fuel pressure regulator adjusts the amount of fuel returned through the return line to control the pressure in the fuel rail so the injectors have a constant pressure to operate from.
What cars use hydrogen fuel cells?
There are currently no Fuel Cell vehicles being sold to the public. Only prototypes have been built.
Why are cars not being made with fuel cells?
They are already!
Unfortunately vehicles developed and powered by fuel cells are technologically problem prone, but some significant progress has been made already. Although cost prohibitive; eventually the consumers own demand coupled with the high cost of fossil fuels (and environmental problems concerned with hydrocarbons) will help to spur on fuel cell development futher.
The real question is; How soon will we see fuel cell powered cars mainstream?
The answer inevitably is when technological barriers are overcome to enable fuel cell developers to economically roll-out vehicles powered this way. In other words given time, expertise, and learning to understand and develop fuel cell technology properly (particularly economically derived hydrogen power) as well as consumer demand for cleaner alternatives to hydrocarbons will we ultimately see them at the forefront of our transportation system.
I think the DMFC (Direct Methanol Fuel Cell) will probably be the leading fuel cell technology that will prevail.
I attribute this to the fact that it is much easier and less energy intensive to extract the hydrogen from Methanol and convert it to electricity (or burn the hydrogen directly in a combustion engine) than it is for hydrogen derived from H2O. This is hydrogen on demand - as and when your engine needs it (produced at the source) rarther than carrying potentially dangerous cryogenic or pressurised hydrogen fuel tanks.
The downside to all this however is that Methanol is mostly produced using methane and other fossil hydrocarbons which sort of defeats the objective. As in the early days prior to the utilisation of crude oil; Methanol can be produced in other more environmentally friendly ways (for example by using biomass) but a major shift for change would be required as well as a rekindling of forgotten methanol production techniques.
Methanol Links are to the left
Because they are too expensive, big and heavy, the only way is to use them is in a pick-up truck, you place all the cells on the bed and even this way the range will be too short !, not more than 40 miles with one charge........
Hydrogen fuel cells are very similar to batteries. They use a chemical reaction between atoms to produce their energy. •It has two electrodes, an anode and a cathode, separated by a membrane. Oxygen passes over one electrode and hydrogen over the other.
How do hydrogen fuel cell cars work?
Hydrogen fuel cell cars are simply electric cars with a different kind of battery. The hydrogen that is stored in a tank runs to the (in this example case) Proton Exchange Membrane, where the hydrogen nucleus, a proton, passes through the membrane, while the electrons must stay behind. To get back to the hydrogen atoms, which are already mingling with oxygen atoms, the electrons pass around the membrane and are captured in an electrical circuit and forced to do work (like run a motor) before they can be reunited with the hydrogen and oxygen. once reunited, the resulting chemical is just hydrogen and oxygen; water.
What are some pros and cons of fuel cells?
Some pros of fuel cells are that it is: -efficient -produces no odor, no noise -reliable -environmentally friendly -is indefinetely renewable, as long as hydrogen is harvested Some cons of fuel cells are: - fuel cells are expensive -you have to harvest hydrogen, which is hard -The volume of the fuel cells are larger than the average internal combustion engine.
fuel cells are the hydrogen fuel cell that operates similar to a battery. It has two electrodes, an anode and a cathode, separated by a membrane.
fuel cell is a type of an electro-chemical cell which can convert the fuel energy into electrical energy by reactions of oxidized and fuel particles triggered in the presence of electrolyte
What is the fuel cell size on a 2006 Jeep Wrangler?
20 gallon tank even if you can only put in 15 gallon. remove vent tube and cut down for 5 more gallons.
What is the future of fuel cells?
Scientists are currently studying Hydrogen Fuel cells as an environmentally friendly option for the future. Although they are not as energy efficient as battery cells, the only emission they produce is H20, and as most of it will condense before it enters the atmosphere, it is not a threat. There are many pros and cons of this fuel cell - I recommend this website to help answer your questions further - http//environmentalenergy.com
Fuel cells are capable of converting fuel directly to electrical energy. All of the fuel cells currently in production are relatively expensive and considerably less than perfect, especially since they get so hot and waste electricity.
There are a few different types of fuel cells. Some run on hydrogen, others on methane.
Special gas tank used in race cars.
A fuel cell refers to a cell producing electric current directly, this is usually from a chemical reaction.
These frivolous idiots should be euthanized for wasting the time of the rest of us.
i like cheese how about you ? I LIKE CERAL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! i like chocolate milk......
What happened to Stanley Meyers water fuel cell injector?
It should be noted that while many believe he was murdered in a conspiracy to "keep the world dependent on crude oil", the official cause of death was deemed to be due to natural causes. According to The Columbus Dispatch, the county coroner stated his death to be from a brain aneurysm. The only drugs in his system were the pain reliever lidocaine and phenytoin, which is used to treat seizures.
ANSWER
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Are fuel cells dangerous to make or dipose of?
Fuels cells are essentially not very dangerous. But in order for a fuel cell to work hydrogen must be used. Hydrogen is usually fed to a fuel cell from a resevoir. Hydrogen is very flammable and if the concentration in an area of hydrogen is too great any spark of any kind even friction can make it combust.
Not all fuel cells run on hydrogen. There are natural gas and methanol cells.
Fuel cells are dangerous to your life if you are making one in your basement workshop and don't tell your significant other what you're doing and what it costs first. This is because the membrane in a fuel cell, a DuPont film called Nafion, costs $175 per square foot and it looks like that plastic you make document protectors from. "YOU SPENT $200 ON THIS!?!?!?!?!"
What are some uses of a programmable logic controller?
A programmable logic controller (PLC) is basically a microprocessor (digital computer) that is used to control machines or electromechanical devices, or to automate industrial or manufacturing processes.
Do batteries provide a DC voltage or an AC voltage?
Batteries produce DC because the potential difference is determined by the chemical reaction inside the battery. This voltage is constant.
Can you use a 12v to 240v step up transformer for a residential Electrical Vehicle charging station?
You would need to have a 12 v ac supply available to step it up to 230 v with a transformer. Please explain what kind of power supply you are working with so that an answer can be provided.
What can be done for 6 months training in electronics and comm company?
hey dude me too really dont know abt this. well i can give a list of companies for training purposes.
Courses in Digital Signal Processing, VLSI Design, Embedded Systems and Industrial Automation
Embedded Systems
Bangalore
1. UTL Technologies
2. Cranes Varsity, Advanced Diploma in Real Time Operating Systems (6months)
3. Centre for Development of Advanced Computing (C-DAC), DESD - Diploma in Embedded Systems Design, (24 weeks)
4. Waveaxis,Advanced Diploma in Embedded System
5. M.S. Ramaiah School of Advanced Studies, Advanced certificate course in Embedded System Design.
6. UTL Technologies, Diploma in Embedded System Design (6 months)
7. Sandeepani, PG Diploma in Embedded System Design (20 weeks)
8. Embedded Competency Centre, Mistral, Advanced Diploma in Real-time and Embedded Systems (4 months)
9. ei labz, embedded systems training- beginner, intermediate and advanced levels
10. Emblitz, Advance Diploma in Embedded System Design, crash courses (Embedded Linux, RTOS, VxWorks and ARM), online course on Embedded Systems
11. Silicon Labs, SIMS
12. Chip Integration Technologies, Embedded courses
13. Kiona, Diploma in Embedded Systems (6 months)
14. Emertxe, certificate course in Embedded Systems (5 months)
Chennai
1. Centre for Development of Advanced Computing (C-DAC), DESD - Diploma in Embedded Systems Design, (24 weeks)
2. Signals and Systems (SANDS), PG Diploma in Embedded system (4 months), Diploma in Embedded microcontrollers and processors (3 months), Certificate courses in Real Time Operating System, Microcontrollers and Embedded C (1 month)
Hyderabad
1. Centre for Development of Advanced Computing (C-DAC), DESD - Diploma in Embedded Systems Design, (24 weeks)
2. Cranes Varsity
3. UTL Technologies
4. VEDA IIT (VLSI Engineering and Design Automation), Advanced Diploma in Embedded System Design
5. Sandeepani, PG Diploma in Embedded System Design (14 weeks)
6. Sigma Solutions, Embedded systems training
7. Autarchy Technologies, Training on Embedded System Development
Pune
1. University of Pune, Certificate Course in Embedded Systems Design (6 months)
2. Oasis, Certificate Course in Advanced Embedded Systems Design
3. Centre for Development of Advanced Computing (C-DAC), DESD - Diploma in Embedded Systems Design, (24 weeks)
Calicut
1. DOEACC Centre, PG Diploma course in embedded system design, (6 months, twice a year, during February and August)
Cochin
1. Centre for Development of Advanced Computing (C-DAC), DESD - Diploma in Embedded Systems Design, (24 weeks)
2. Quest
Mohali, Kolkata, Noida, Trivandrum
1. Centre for Development of Advanced Computing (C-DAC), DESD - Diploma in Embedded Systems Design, (24 weeks)
VLSI Design
Bangalore
1. Benns Technologies, Part time/Full Time course in VLSI (4 months)
2. TTM Institute of Information Technology, with University of California Extension, and Cadence Design Systems India, Certificate program in VLSI design engineering (Physical Design or Logic Design)
3. UTL Technologies, Advanced Post-Graduate Diploma in VLSI Design (6 months)
4. Centre for Development of Advanced Computing (C-DAC), Advanced Computing Training School, Diploma in VLSI
5. Sandeepani, Post Graduate Diploma in VLSI Design, (14 weeks)
6. Emblitz, Advance Diploma in VLSI Design
7. Silicon Labs, SIMS
8. Kiona, Diploma in VLSI Design (6 months)
9. M.S. Ramaiah School of Advanced Studies, VLSI System Design (50 weeks)
Chennai
1. Accel Technologies: 'Post Graduate Diploma in VLSI Design' (4 months)
2. Signals and Systems (SANDS), Diploma in VLSI Design (3 months), Certificate courses in Verilog and VHDL (1 month)
3. Horizon Semiconductors: (4 months)
Hyderabad
1. TTM Institute of Information Technology, with University of California Extension, and Cadence Design Systems India, Certificate program in VLSI design engineering (Physical Design or Logic Design)
2. VEDA IIT (VLSI Engineering and Design Automation), Advanced Diploma in VLSI Engineering,
3. Sandeepani, (20 weeks)
Pune
1. University of Pune, Department of Electronic Science and Integrated Circuit and Information Technology (ICIT), Certificate Course in VLSI Design.(6 Months)
2. Bit Mapper Integration Technologies, Advanced Certificate Course in VLSI Design
3. Centre for Development of Advanced Computing (C-DAC), DVLSI - Diploma in VLSI Design
Calicut
1. DOEACC Centre, PG Diploma in VLSI Design
Chandigarh
1. VEDANT (VLSI Design Education And Training), Semi-Conductor Laboratory (SCL), Advanced Post-Graduate Diploma in VLSI Design (6 months)
Kolkata, Nagpur, Mumbai
1. Centre for Development of Advanced Computing (C-DAC), DVLSI - Diploma in VLSI Design
Industrial Automation
Calicut
1. DOEACC Centre, PG Diploma course in Industrial Automation System Design. (6 months)
Pune
1. J.R.D. Tata Automation Training Centre, with Tata Honeywell, certificate course in Industrial and Control Engineering
Hyderabad
1. CITD, A course on Elec. & Electronics for Automation (1 week)
Bangalore
1. M.S. Ramaiah School of Advanced Studies, Automotive Electronics (50 weeks)
Mohali
1. Centre for Development of Advanced Computing (C-DAC), Advanced Diploma course in industrial Automation and System Design. (18 weeks)
Digital Signal Processing
Banglore
1. Aureole Technologies, Boot Camp Training Program (DSP Concepts)
2. Cranes Varsity, Advanced Diploma in DSP System Design (6 months)
3. Kiona, Diploma in DSP (6 months)
4. M.S. Ramaiah School of Advanced Studies, Applied Digital Signal Processing (50 weeks)
Chennai
1. Analog Devices-IIT Madras DSP Learning Center, course on Digital Signal Processor and Applications, (Part time-6 Weeks/Full time-2 Weeks)
2. Signals and Systems (SANDS), Diploma in DSP (3 months), Certificate courses in Analog Devices and Texas Instruments DSPs (1 month)
Hyderabad
1. Center for DSP Training (CDT), Signion Systems, Diploma in DSP Applications, (Part time-3 months/Full time-6 months)- training suspended?
Pune
1. University of Pune, Department of Electronic Science and Integrated Circuit and Information Technology (ICIT), Certificate Course in Digital Signal Processing.(6 Months)
Cochin
1. Quest
Telecom and Wireless
Pune
1. Centre for Development of Advanced Computing (C-DAC), WiMC - Post Graduate Diploma in Wireless and Mobile Computing (24 weeks)
2. Institute of Emerging Technologies, WiMC - Post Graduate Diploma in Wireless and Mobile Computing (24 weeks)
Bangalore
1. Emblitz, Advance Diploma in Wireless Technology
2. M.S. Ramaiah School of Advanced Studies, Wireless and Mobile communications (50 weeks)
Hyderabad
1. Lorion, Advanced Wireless Communications (3 months), Telecom Protocol Development, Signaling & VoIP Protocol Implementation, Optical Fiber Communications.
if u got to know any company where company pays for six month training please do inform me.
regards pradeep suri.09646234561.
suripradeep_2006@yahoo.co.in
The success of the hydrogen car is because the the hydrogen fuel cell. This cell converts hydrogen into electricity and powers the car and the only byproduct is heat and water.
The hydrogen fuel cell operates similar to a battery. It has two electrodes, an anode and a cathode, separated by a membrane. Oxygen passes over one electrode and hydrogen over the other.The hydrogen reacts to a catalyst on the electrode anode that converts the hydrogen gas into negatively charged electrons (e-) and positively charged ions.The electrons flow out of the cell to be used as electrical energy. The hydrogen ions move through the electrolyte membrane to the cathode electrode where they combine with oxygen and the electrons to produce water. Unlike batteries, fuel cells never run out. In principle, a fuel cell operates like a battery. Unlike a battery, a fuel cell does not run down or require recharging. It will produce energy in the form of electricity and heat as long as fuel is supplied.
What fuel is used in a fuel cell automobile engine?
Fuel cells operate by combining hydrogen and oxygen without actual combustion as in gasoline engines. A catalyst separates the electrons and protons to combine the elements. (Some versions of fuel cells are high-temperature only.)
Hydrogen gas
What are some advantages and disadvantages of hydrogen fuel cells?
The advantages of using hydrogen fuel cells are that they are an alternative fuel to fossil fuels, like coal, oil and gas. Also, burning or reacting hydrogen with oxygen runs electric motors and it's only emission is water vapour.
The disadvantages of using hydrogen fuel cells is that hydrogen does not occur naturally on Earth and thus is not an energy source. It takes a great deal of energy to extract Hydrogen from water.
Hope this helps! :)
