1. Why hydrogen?
2. What is hydrogen?
3. Why is it important to shift from oil to
hydrogen with wartime speed?
4. What about the other alternative fuels?
5. Isn't hydrogen especially dangerous?
6. What about the Hindenburg?
7. What about the hydrogen bomb?
8. Where does hydrogen come from?
9. Can any engine be modified to use
hydrogen fuel?
10. Where can I get my car modified to use
hydrogen?
11. What about exhaust emissions?
12. What is the cost of hydrogen compared
to gasoline?
13. How do you store hydrogen?
14. Why is hydrogen referred to as a
"universal fuel"?
15. How do the oil companies view hydrogen?
16. What does the term "hydrogen
economy" mean?
17. What does the Bush Administration think
of hydrogen?
18. How long will it take to shift from oil
to hydrogen?
19. What are the major obstacles to
implementation of a hydrogen energy system?
20. What is the passage of the Fair
Accounting Act by the U.S. Congress so important?
21. How can I learn more about hydrogen
energy?
22. What can I do to help?
Hydrogen is the only energy option that can permanently displace oil and other fossil and nuclear fuels on a worldwide basis. Moreover, hydrogen is the only zero-emission fuel and it is the only energy option that can make the U.S. energy independent and essentially pollution-free.
The hydrogen bomb involves a nuclear reaction, whereas the process of electrolyzing water involves a simple transfer of electrons, which also occurs when one makes a cup of coffee or metabolizes the food they eat. The difference being that the hydrogen bomb involves metal such as uranium as a catalyst.
North American Stationary Fuel Cell Shipment Forecast sees government spending will accelerate the stationary fuel cell market to achieve significant growth through 2005. Source: Business Wire Jan 15, 2002]
NATICK, Mass.--(BUSINESS WIRE)--Jan. 15, 2002-- On January 8 the Secretary of Energy, Spencer Abraham, announced that $1.5 billion in U.S. government subsidies will be re-allocated to further develop fuel cell technologies for automotive applications. The program, called Freedom CAR (Cooperative Automotive Research), was developed by DaimlerChrysler Corporation (NYSE:DCX), Ford Motor Company (NYSE:F), General Motors Corporation (NYSE:GM), the U.S. Department of Energy and the U.S. Council for Automotive Research. Freedom CAR will replace a $1.5 billion, eight-year project aimed at developing high mileage per gallon engine powered vehicles.
What does this $1.5 billion in government funding mean to the stationary fuel cell marketplace? For the fuel cell companies pursuing automotive applications such as Ballard (NasdaqNM:BLDP) and United Technologies Fuel Cells (NYSE:UTX), this will probably result in considerable government subsidized R&D funding. For the rest of the fuel cell world, the answer is not as simple.
For the automotive fuel cell market to directly impact the stationary fuel cell market, fuel cell vehicles must achieve commercial success. A number of requirements are necessary for these vehicles to effectively commercialize:
To meet these requirements, automotive fuel cells must overcome a number of technical barriers. Most important is the need to further develop hydrogen-reforming technologies, which are used to convert hydrogen rich fuels (gasoline, natural gas, methanol, etc.) to pure hydrogen. Without this technology, a hydrogen infrastructure will need to be constructed at a very high cost. There are also significant size, weight, and noise requirements placed on automotive fuel cells.
According to VDC analyst Nathan Andrews, "Once these requirements are met and fuel cell vehicles commercialize, the increases in fuel cell production will help to significantly drop prices. The research to meet these requirements will also assist in the development of stationary fuel cell systems." VDC anticipates that this government spending will accelerate the stationary fuel cell market to achieve significant growth through 2005. Beyond 2005 the possibilities for both stationary and automotive fuel cells are tremendous. The Freedom CAR program will go a long way in assisting fuel cell development, but for these markets to reach their true potentials, industry participants will need to take matters into their own hands.
Refer to the information on this web-site and also try searching the World Wide Web.
HYDROGEN'S
ROLE IN ENERGY SECURITY.
In every century, America has depended on a single
dominant source of energy for transportation. But only in
the last century has this become a threat to national
security. Until the age of oil, America could produce all
the energy it needed from domestic sources. Now, with
demand for oil far outstripping domestic supply, the
nation is ever more dependent on foreign oil. With this
dependence comes a great threat to the nations
security--all because of our dependence on a single
source of energy.
Hydrogen is the pathway out of energy dependency. It can
be made from any number of energy sourcescoal, oil,
natural gas, nuclear, hydroelectric and all of the
emerging renewables. So for the first time we can depend
on a dominant form of energy without depending on a
single source. And its a form of energy our
children can live with, because it is as clean as energy
gets.
Fossil Fuel Based Hydrogen Production
Water Based Hydrogen Production
Other
Methods of Hydrogen Generation
Fossil Fuel Based Hydrogen
Production
A closer look at the chemical formula for any fossil fuel
reveals that hydrogen is present in all of the formulas.
The trick is to remove the hydrogen safely, efficiently
and without any of the other elements present in the
original compound. Hydrogen has been produced from coal,
gasoline, methanol, natural gas and any other fossil fuel
currently available. Some fossil fuels have a high
hydrogen to oxygen ratio making them better candidates
for the reforming process. The more hydrogen present and
the fewer extraneous compounds make the reforming process
simpler and more efficient. The fossil fuel that has the
best hydrogen to carbon ratio is natural gas or
methane(CH4).
Steam
Reforming of Natural Gas
Hydrogen production from natural gas commonly employs a
process known as steam reforming. Steam reforming of
natural gas involves two steps. The initial phase
involves rendering the natural gas into hydrogen, carbon
dioxide and carbon monoxide. This breakdown of the
natural gas is accomplished by exposing the natural gas
to high temperature steam. The second phase of steam
reforming consists of creating additional hydrogen and
carbon dioxide by utilizing the carbon monoxide created
in the first phase. The carbon monoxide is treated with
high temperature steam and the resulting hydrogen and
carbon dioxide is sequestered and stored in tanks. Most
of the hydrogen utilized by the chemical and petroleum
industries is generated with steam reforming. Steam
reforming reaches efficiencies of 70% - 90%. The reformer
component on a complete fuel cell system is usually a
smaller variation of the process described above.
Component reformers operate under varying operating
conditions and the chemical path that the hydrogen
generation follows will vary from manufacturer to
manufacturer, but the resulting hydrogen reformate is
essentially the same.
Water Based Hydrogen Production
Electrolysis
Electrolysis is the technical name for using electricity
to split water into its constituent elements, hydrogen
and oxygen. The splitting of water is accomplished by
passing an electric current through water. The
electricity enters the water at the cathode, a negatively
charged terminal, passes through the water and exists via
the anode, the positively charged terminal. The hydrogen
is collected at the cathode and the oxygen is collected
at the anode. Electrolysis produces very pure hydrogen
for use in the electronics, pharmaceutical and food
industries. Relative to steam reforming, electrolysis is
very expensive. The electrical inputs required to split
the water into hydrogen and oxygen account for about 80%
of the cost of hydrogen generation. Potentially,
electrolysis, when coupled with a renewable energy
source, can provide a completely clean and renewable
source of energy. In other circumstances, electrolysis
can couple with hydroelectric or off-peak electricity to
reduce the cost of electrolysis.
Photoelectrolysis
Photoelectrolysis, known as the hydrogen holy grail in some circles, is the direct conversion of sunlight into electricity. Photovoltaics, semiconductors and an electrolyzer are combined to create a device that generates hydrogen. The photoelectrolyzer is placed in water and when exposed to sunlight begins to generate hydrogen. The photovoltaics and the semiconductor combine to generate enough electricity from the sunlight to power the electrolyzer. The hydrogen is then collected and stored. Much of the research in this field takes place in Golden, Colorado at the National Renewable Energy Laboratory.Photobiological
Photobiological production of hydrogen involves using sunlight, a biological component, catalysts and an engineered system. Specific organisms, algae and bacteria, produce hydrogen as a byproduct of their metabolic processes. These organisms generally live in water and therefore are biologically splitting the water into its component elements. Currently, this technology is still in the research and development stage and the theoretical sunlight conversion efficiencies have been estimated up to 24%. Over 400 strains of primitive plants capable of producing hydrogen have been identified, with 25 impressively achieving carbon monoxide to hydrogen conversion efficiencies of 100%.In one example, researchers have discovered that the alga, Chlamydomonas reinhardtii, possesses an enzyme called hydrogenase that is capable of splitting water into its component parts of hydrogen and oxygen. The researchers have determined the mechanism for starting and stopping this process, which could lead to an almost limitless method for producing clean, renewable hydrogen. The algae need sulfur to grow and photosynthesize. Scientists found that when they starved the algae of sulfur, in an oxygen-free environment, the algae reverted to a hydrogenase-utilizing mode. This mechanism was developed over millions of years of evolution for survival in oxygen-rich and oxygen-free environments. Once in this cycle, the algae released hydrogen, not oxygen. Further research is necessary to improve the efficiencies of the engineered plant systems, collection methods and the costs of hydrogen generation.
Other Methods of Hydrogen Generation
Biomass Gasification and Pyrolysis
Biomass can be utilized to produce hydrogen. The biomass
is first converted into a gas through high-temperature
gasifying, which produces a vapor. The hydrogen rich
vapor is condensed in pyrolysis oils and then can be
steam reformed to generate hydrogen. This process has
resulted in hydrogen yields of 12% - 17% hydrogen by
weight of the dry biomass. The feedstock for this method
can consist of wood chips, plant material, agricultural
and municipal wastes, etc
When biological waste
material is used as a feedstock, this method of hydrogen
production becomes a completely renewable, sustainable
method of hydrogen generation.