Where do they get hydrogen for hydrogen stations for fuel cell cars?
Water? Or what?
- 4 years agoFavorite Answer
While there are over 260 ways known to obtain the element hydrogen from chemical compounds, perhaps the dirty little secret for hydrogen is that it is now and for the foreseeable future being made (96%) from fossil fuels and the process releases all the carbon to the atmosphere.
We constantly hear that hydrogen "could" be made from the electrolysis of water. While true in practice it is not economically feasible. It is economics, and market control that will dictate which way we go. As long as petrochemical companies have any say in the matter it will always be from fossil fuels, the product they sell. This is the primary reason they support hydrogen fuel cell electric cars over battery electric cars and have in the past offered them as an alternative to the BEV.
Hydrogen fueling stations could be supplied by two methods. The hydrogen is made and trucked to the site or natural gas in piped into the site and a unit on site will separate the hydrogen from the methane in natural gas while releasing the carbon and other by-products to the atmosphere.
This also begs several other questions. If we are going to make hydrogen from natural gas, why are we making hydrogen and not simply powering our vehicles with compressed natural gas which would be more efficient? We could also put the equipment at home: http://www.h2carblog.com/?p=1067 Also how would home hydrogen fueling differ significantly from powering a BEV from home solar PV panels? All these have responses but are not directly part of your question.
- 4 years ago
In the future, as more research are carry out to increase the efficiency in electrolysis water, a process to separate the hydrogen from water molecules. We predict that in future, electricity from wind turbines and solar panels will be used to electrolysis water to obtain hydrogen.
How to increase the efficiency?
For example, use low DC voltage and large number of small bottle cells.
Each bottle cell contain a +ve and a -ve electrode. and small pipes are connected to every bottle cells to collect hydrogen gas.
- 4 years ago
a very crude high school science experiment, hmm, lol. Sorry, poor humor from me so early this morning. They actually get a large part of it as a by product of manufacturing chlorine gas, and/or chlorine disinfectant products for your swimming pool. I work in the water industry and live only 3 miles from the Cl2 plant. Hope this helps
- regeruggedLv 74 years ago
Either water or natural gas.
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- KanoLv 74 years ago
No from natural gas usually.
- 4 years ago