Fuels like gasoline, based on hydrocarbon, create pollution and carbon footprint. Hydrogen has been claimed to be a good alternative to replace fossil fuel since the 1970s. But hydrogen's potential has not been realized even partially mainly because of storage and commercial production difficulties. There have been research being done on renewable energy sources like hydrogen for quite some years. Recently, breakthrough research has been successful in creating a new method for storing hydrogen. View Comments
A fuel cell is an electrochemical devise that converts a fuel source into electricity. Fuel cells require a fuel source, but will perform for infinite periods of time if inflows are maintained. Because of this they are different from batteries, which are closed energy storage systems. The articles on this page explore fuel cell technology and its uses.
A team of researchers at the Harvard School of Engineering and Applied Sciences that is headed by Sriram Ramanathan is working on developing fuel cells. If Ramanathan is to be believed, the solid-oxide fuel cells the visionary and specialist in the field is making along with other scientists, will become a highly sought after technology in days to come. How will solid-oxide fuel cells be generated? The solid-oxide fuel cells that are capable of replacing fossil fuel with pollution less fuel are generated with the use of the plentiful fuel resources and low operating temperatures, along with some material that is of low cost, and some other small devices. View Comments
A new process is being tested by chemical engineers of Purdue University to get high hydrogen production at fuel-cell temperature-level with no catalyst use. This is full of promise for vehicles powered by hydrogen and other portable electronic items like dig-cams, medical diagnostic devices, defibrillators, cell phones and notebook computers. The research funded by US Department of Energy is ushering in a new process. View Comments
Fuel cells are clean and green cells. They work without polluting the environment. Fuel cells are electrochemical devices that transform the chemical energy of a fuel into electricity generating water as a by-product. Fuel cells are most used in space flights but they can be best utilized in electric vehicles to reduce air pollution. Fuel powered electric vehicles are better than battery operated EVs as far as efficiency and faster refueling is concerned. View Comments
Honda finally unveiled their new solar hydrogen solar station and all signs point to a dramatic success. The station is smaller than previous models and enables an electric car owner to refill their fuel cell overnight. The unit should easily fit into a homeowners’ garage taking up significantly less space than previous models. The older model required a compressor and electrolyzer for it to be operational. One of the reasons the units were so big was because of the compressor that was required to run the unit. Not only that, the compressor was also the reason that the units were so expensive to produce and purchase. View Comments
People are getting more and more excited about green automobiles, so it was kind of surprising to see such a neutral reaction to the Fuel Cell Car by Riversimple. While this project has a very interesting slant from other cars that we have seen in this niche, it was met with a very lukewarm reception and things have not really heated up on in yet. However, the Riversimple Fuel Cell Car continues on and will hopefully be available for release in the next few years. View Comments
Hydrogen is an extremely environment friendly fuel as when it burns it releases only water vapor into the atmosphere, but the problem is that it is not easy to store it because it needs to be stored like other compressed gases. A new solid may solve the problem. A nonreactive noble gas called xenon combined with hydrogen and other massive pressure gives rise to a solid that can be later used to store hydrogen fuel. The research paper is published in the November 22, 2009, advanced online publication of Nature Chemistry. The discovery initiates a new line of materials that which could render impetus to new hydrogen technologies. View Comments
Surveillance and communication are the lifeline of the armed forces. These days they are utilizing small UAVs for naval missions. If the armed forces are using electric UAVs, they have the additional advantage. Electric UAVs can’t be detected from the ground. The Ion Tiger has just demonstrated the likelihood of a long endurance missions with an electric UAV. Naval forces can get a larger cruise range. Naval forces can reduce the number of daily launches and landings too. This increases the capability and yet naval crew can save on the time and effort fronts. View Comments
In our energy deprived world scientists are trying to find out various elements, alloys and substances that can provide clean and green energy along with meeting our energy demands. This quest has led them to superconductors. Superconductor materials have no electrical resistance. This property paves way for electrons to travel through them freely. Superconductor materials also carry large amounts of electrical current for long periods of time without losing energy as heat. Scientists are of the view that metallic hydrogen can prove to be a high-temperature superconductor. View Comments
A group of bright young Rensselaer students will soon take up the Hudson River, but with a difference. They are using a boat driven by clean and green hydrogen fuel. Their boat is the 22-foot New Clermont looked after by a three member crew. It is fitted with a pair of 2.2-kilowatt fuel cell units. View Comments
It seems simple but if put it into practice then we can develop real potential for hydrogen fuels. A new method of “recycling” hydrogen-containing fuel materials could pave the way for commercially viable hydrogen-based vehicles. An article published in world’s leading chemistry journal Angewandte Chemie, makes a claim about recycling hydrogen-containing fuel materials. Los Alamos National Laboratory and University of Alabama researchers working within the U.S. Department of Energy’s Chemical Hydrogen Storage Center of Excellence express a noteworthy progress in hydrogen storage science. View Comments
Hydrogen has great potential as a fuel of future because it is an environmentally clean energy fuel and save us from the undesirable side effects of greenhouse gases. Before becoming it a fuel of the masses we need necessary infrastructure to store it and move it. We will also need fuel cells on economical scale. To make hydrogen as a popular alternative fuel some engineers are working on storage factor of hydrogen fuel. They don’t want compressed hydrogen into a tank. They want to store hydrogen fuel into a large molecule. When we want hydrogen out of the molecule we will need a catalyst. Now, researchers have new details about one such catalyst. View Comments
Environmentalists are continuously searching for green and clean fuel. Until now they have been putting a lot of energy and talent into hydrogen fuels because when hydrogen is burned, the only emission it makes is water vapor. So it is a great advantage that burning of hydrogen doesn’t produce carbon dioxide. Clearly, hydrogen is less of a pollutant in the air because it emits little tail pipe pollution. Engineers at the University of Leeds are working on a project keeping hydrogen in mind. They are developing an energy efficient, environmental-friendly hydrogen production system but with a difference. They are trying to extract hydrogen from waste materials. These materials can be vegetable oil or the glycerol by-product of bio-diesel. They are aspiring for the high purity hydrogen-based fuel that could be utilized for large-scale power production. They are also developing hydrogen cells for laptops or other gadgets. A grant of over £400k has been awarded to the University by the Engineering and Physical Sciences Research Council (EPSRC) within a consortium of 12 institutions known as SUPERGEN Sustainable Hydrogen Delivery. View Comments
A new hydrogen car was unveiled in London, UK by Riversimple. This Riversimple Urban Car (RUC) is powered by fuel cells. These fuels cells combine hydrogen with oxygen from the air to release energy. What comes out from the exhaust pipe is not toxic fumes but water. Even using hydrogen fuel from source to car’s fuel tank, its carbon emissions for urban driving are only 30 grams/km. The weight of this hydrogen car is 772 pounds. You can travel 186 miles on just 2.2 pounds of liquid hydrogen. The Riversimple Urban Car is powered by a cheap, 6-kilowatt fuel. The car's top speed is 50 miles per hour (80.4672 kilometres per hour). It can be accelerated from 0 to 30 mph (48 km/h) in 5.5 seconds. View Comments
Scientists are tirelessly working on sources of alternative energy so that we can have a better substitute for fossil fuels in near future. We know that sunlight, wind and geothermal sources of energy are better for everyone. But they also need efficient fuel cells for better utilization of power. Solid oxide fuel cells (SOFCs) seem promising enough for both stationary and mobile applications. Stationary use can cover residential applications to power plants. Mobile applications contain energy for ships at sea and in space, as well as for automobiles. Another advantage of the SOFCs is when they are working in reverse manner as solid oxide electrolyzer cells they create pure hydrogen by splitting water. View Comments
We are hearing about many inventions and discoveries in the alternative energy sector. But we don't get to read about many 'actual' finished products doing their work in real world. What we know is many models being tested in laboratories. But here we are seeing Bucher CityCat H2, the world's first municipal utility vehicle powered by fuel cells, made its debut last week in Basel, Switzerland. This street-cleaning CityCat will be doing her work on an eighteen months trial basis. It will be a matter of study that how this vehicle nicknamed as Bucher CityCat H2 be helpful in reducing air pollution than traditional diesel engines. Empa and the Paul Scherrer Institute (PSI) have, in collaboration with Bucher Schoerling, Proton Motor, BRUSA Elektronik AG und Messer Schweiz, developed a hydrogen powered municipal street cleaning vehicle that was unveiled to the public on 14th May 2009 in Basel. View Comments
Environmentalists, common man, scientists, politicians, everyone want to breathe fresh and clean air and leave this earth in a better shape for next generation. Environmentalists and scientists are working to make this planet a better place to live. Hydrogen driven vehicles are a small step towards that goal. But the main hurdle to produce hydrogen vehicles on a mass scale is that they can’t store much fuel. Researchers at the University of Michigan, Ann Arbor and Arizona State University have developed a sponge-like material, a new metal-organic framework that has a record breaking surface area. This kind of material can be very useful for many industrial applications such as catalysis, separation, and gas storage. View Comments
It is great news that defense forces are promoting the use of alternative fuels in their own unique way. American army is using Unmanned Aerial Vehicles (UAVs) in Afghanistan. The greatest advantage of UAVs is that they are nearly untraceable from the ground. They are used heavily by defense forces in overseas missions when uniformed men are already at a disadvantage by just being at a totally foreign and hostile territory. Here using UAVs, terrain can be scanned and intelligence can be gathered. Now it is possible that these UAVs might be flying on alternative fuels. UAVs are used to minimize loss of life of soldiers and pilots in dangerous zones. Naval Research Laboratory (NRL) is developing an improved version of these aircrafts that can travel to distant places more efficiently and more quietly and run on the newer fuel cell technology. View Comments
This age is known as electronic age. It seems impossible to run life without electronic goods. They are part and parcel of our personal and professional life. We use many small devices in our everyday life. And each small device needs power. Now devices are becoming smaller with each passing day hence scientists are finding out ways to power them. Scientists are putting their effort on a material known as palladium. This may turn out to be a hopeful substance in near future to power fuel cells. Another advantage that palladium has over other metals is, it is cheaper and more abundant. Vismadeb Mazumder who is a graduate student and assisting chemistry professor Shouheng Sun in writing the paper, explains the benefits, "This approach is very novel. It works. It’s two times as active, meaning you need half the energy to catalyze. And it’s four times as stable." View Comments
We are searching for the alternative energy which can conveniently be used for our industrial and everyday purposes. Wind, water, geothermal and many other alternative energy sources are good and clean and green. But all of them lack one thing or another and don’t seem commercially viable. Researchers all over the world are trying to find solutions for this impending and inevitable energy crisis. Scientists from University of Rochester are trying to do the same thing. They are aiming to produce longest platinum nanowires. This feat has not been achieved by anyone. These longest platinum nanowires could make an impact on the development of fuel cells for cars, trucks and other devices. The wires, 1/50,000 the width of a human hair, are thousands of times longer than any previously made, according to a report in Nano Letters. View Comments
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Wikipedia: Fuel Cell
A fuel cell is an electrochemical energy conversion device. It produces electricity from external supplies of fuel and oxidant.