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  • Hydrogen is

  • the most abundant element on earth.

  • It really is nature's fuel.

  • We're at a very interesting stage of development

  • of this technology where it's not quite ready for prime time

  • time but it's getting tantalizingly close

  • Fuel cell technology is evolving,

  • the technology is improving constantly.

  • We're competing in a market that we have to compete

  • with batteries and generators, and how do we do this?

  • I think hydrogen has great potential

  • to become one of our primary fuels

  • for the transportation industry in the future.

  • I would much rather drive my fuel cell vehicle

  • than my gasoline vehicle.

  • Funding provided by:

  • The U.S. Department of Energy

  • National Energy Technology Laboratory.

  • The Energy &amp. Environmental Research Center's

  • National Center for Hydrogen Technology.

  • and the members of Prairie Public.

  • [bass &amp. drums play in bright rhythm]

  • (female narrator) You've probably heard something about hydrogen.

  • You may know hydrogen can be used to fuel cars.

  • But did you know that hydrogen is used safely

  • all around you every day?

  • In data centers, warehouses,

  • golf courses, and even breweries.

  • Hydrogen is nature's fuel.

  • It can be made where you want, when you want.

  • Imagine living in a world without concerns about

  • energy security or pollution. where you can get

  • all the energy you need from domestic sources.

  • Imagine the world of fuel cells

  • using safe, clean, abundant hydrogen.

  • This is actually an electric car, it's got

  • an electric motor in the front that drives the car forward.

  • And it gets most of its electricity

  • from fuel cell system that converts hydrogen and oxygen

  • from the air into electricity and water as a waste product.

  • The concept of the fuel cell has

  • been around for 150 years as a chemical principle.

  • Starting about the '60s these devices were made for space

  • and over about last 15 years automakers have been

  • working very hard to develop the technology for automobiles

  • as a way of simultaneously reducing the use of oil,

  • reducing air pollution and also

  • reducing the release of greenhouse gases

  • This type of fuel cell is called

  • a PEM fuel cell, proton exchange membrane.

  • The way I like to explain it, it's like a sandwich where in

  • the middle of the sandwich, the meat of the sandwich,

  • if you will, you have a membrane material, you have hydrogen

  • on one side, and you have platinum as catalyst material.

  • That catalyst allows the hydrogen molecule

  • to split apart into protons and electrons.

  • The protons go through the membrane, the electrons have to

  • go around the membrane, and as those electrons are

  • going around the membrane, they are powering the electric motor.

  • Everything meets on the side with the oxygen

  • and forms water as the waste product.

  • Sometimes you'll hear it called a fuel cell stack.

  • It's a whole stack of these fuel cells just like you stack batteries

  • together in a flashlight to build up more voltage.

  • In a car like this you might have 400 fuel cells

  • all stacked together to give you a few hundred volts.

  • Currently we produce in the world

  • over 50 million tons of hydrogen

  • with about a fifth of that

  • being consumed in the United States.

  • That hydrogen is being used primarily as a feedstock

  • for making agricultural products such as fertilizer

  • and also a chemical feedstock

  • to take the petroleum in its raw form and make it

  • into e petroleum that we use in either diesel or gasoline.

  • It's also used for medical applications, food processing,

  • a variety of smaller type uses.

  • If you look down the road in the hydrogen economy,

  • some of those uses are for transportation

  • such as forklifts in a warehouse, backup power,

  • or even putting electricity onto the grid.

  • As always, when you start going into new markets

  • it becomes difficult for commercial companies

  • to invest in something that is years out,

  • so that's why we have programs

  • like the National Center for Hydrogen Technology

  • where you have some government support

  • because that federal support helps bridge that gap.

  • With that we work closely with commercial partners,

  • and we find opportunities to provide

  • developments in terms of being more effective, lower cost,

  • better environmental advantages, and these are all things

  • that are helping to buoy the hydrogen economy.

  • As we go down this path and we get those goals met,

  • we start grabbing more and more market opportunities.

  • becomes a matter of greatly reducing

  • the cost of producing the hydrogen as well,

  • the fuel cells, and also the end uses.

  • And we then reach more and more applications,

  • and we then see it accelerating, and as that happens

  • you get the benefit of more public buy-in.

  • The more they're familiar with technology,

  • the more they want it, and the more they are interested.

  • We see some very significant

  • technological evolution taking place which says

  • that hydrogen can be exceptionally competitive,

  • and we firmly believe that the ultimate

  • energy source in this world is going to be hydrogen.

  • Hydrogen is interesting. it can be made

  • a lot of different ways there's a lot of domestic resources

  • that can be used to make hydrogen.

  • Any source of electricity can be used

  • to make hydrogen from water.

  • Hydrogen can also be made through a lot of biomass pathways.

  • Right now it's made a lot from natural gas

  • which is not ultimately sustainable

  • but is sort of a bridge technology to potentially

  • getting to cleaner sources of hydrogen in the future.

  • (narrator) To get hydrogen from water,

  • we can use electricity

  • to break the chemical bonds between oxygen and hydrogen.

  • This process is called electrolysis.

  • Hydrogenics is a global leader

  • in the development of fuel cells and on-site hydrogen generation.

  • We can provide the hydrogen stations that produce the hydrogen.

  • The process starts with the electrolyzer-- that's where we make that hydrogen.

  • We take city water, and we purify it,

  • and put that inside our electrolyzer.

  • From then, the water's electrolyzed.

  • We produce hydrogen and oxygen.

  • Oxygen is vented and hydrogen is captured.

  • It is then purified through our dryer and purifier.

  • The purifier removes any trace oxygen

  • inside the hydrogen stream.

  • And the dryer removes any moisture

  • that was left over from the electrolysis process.

  • The gas comes out at about 150 psi.

  • From then on it's compressed to 6000 psi

  • where it is stored into storage tanks.

  • From the storage tanks, the gas is diverted into the dispenser.

  • (narrator) Most of the hydrogen we have today

  • comes from natural gas

  • through a process called steam methane reforming.

  • I would say about 90% of the world's hydrogen

  • comes from fossil fuels, from reforming natural gas.

  • For that you need the capital cost of millions of dollars

  • to create your plant.

  • And you produce thousands of kilograms in one day.

  • (narrator) We can get hydrogen

  • from coal through gasification.

  • (Tom Erickson) We've been using coal in this country for many many years,

  • and primarily it's been combusted.

  • We burn the coal d we essentially

  • convert it entirely to heat.

  • In a gasification system, we convert coal

  • into something very similar to natural gas.

  • Then that natural gas has an extremely high hydrogen content,

  • and we can then take that

  • and either manipulate it to pure hydrogen

  • or we can even produce liquid fuels from it.

  • Gasification has the promise of being one of the few sources

  • that we can use to produce

  • very, very large quantities of hydrogen.

  • So as we transition to a hydrogen economy, coal is

  • one of those domestic resources that can really step in.

  • We believe very strongly that

  • coal must remain a part of our energy future.

  • In order to do that we must find the technologies

  • to utilize it more efficiently and effectively.

  • We're convinced that because of the experience and knowledge

  • that we've gained from our Dakota Gasification Project

  • that we have a way in which to find the solution

  • to this very challenging issue