Solar Fuel Cycle
OVERVIEW OF THE BASIC SOLAR HYDROGEN CONVERSION PROCESS
THE SOLAR FUEL CYCLE
Hydrogen is an especially attractive transportation fuel. It is the least polluting fuel available, and can be produced anywhere there is water and a clean source of electricity. A fuel cycle in which hydrogen is produced by Solar-Electrolysis of water and then used in a fuel cell powered electric motor vehicle would produceLittle or no local, regional or global pollution.
A diagram of the Solar – Hydrogen reaction.
Hydrogen is considered by many to be a nearly ideal fuel for sustainable and environmentally benign development. It can be produced via renewable resources Sources such as Solar Electrolysis (SOLARHYDRO). Hydrogen is also required as a fuel for most proton-exchange membranes(PEM) fuel cells.
Most major automakers Have significant research underway to develop hydrogen powered vehicles. However, there are major challenges involved in the use of hydrogen as transportation fuel. As a gas , its volumetric energy density is quite low, and when one considers the size and weight of most compressed or liquid hydrogen storage systems, its total mass energy density becomes low as well. This makes it difficult to store enough hydrogen to provide an acceptable range of travel. Safety issues also arise when storing large quantities of such a highly explosive gas on a vehicle.
In addition to the vehicle specific problems, there are a number of difficulties involved in creating a hydrogen distribution infrastructure with sufficient capacity to serve a large transportation market. This is why the concept of SOLARHYDRO comes into play. For the short range commuter the ability to generate the hydrogen directly via Solar cells set up in their own garages is viable because it is limited to one commuter. Additionally, the ability to generate large capacity hydrogen generation for long range commuters can also be accomplished by SOLARHYDRO.
However, the concept of SOLARHYDRO will be on a much larger scale. Interchangeable hydrogen cylinders that can be exchanged at your SOLARHYDRO dealer will become commonplace much like propane exchange. In order for this to happen however there must be uniformity of interchangeable hydrogen units for all vehicles. This must be decided by the Automakers themselves in order for fuel cell technology to take off.
Diagram of Splitting Water into Hydrogen and Oxygen conversion by John Turner
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