Hydrogen Storage

The keys to any fuel storage are: Safety, Ease or efficiency of storage/retrieval. Any energy source that is intermittent in nature (such as the Sun) requires storage of that energy for later usage. As a fuel, Hydrogen can be stored as a gas or liquid in a container. It is so light weight that a cubic foot of gas weighs just .005 lbs.

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Related Topic: The new technology on hydrogen storage in China

Hydrogen Production

Hydrogen energy belongs to the secondary energy. On the Earth where the human beings depend upon for life, although hydrogen is the richest element, the natural hydrogen exists extremely few. Therefore, the hydrogen gas can be obtained after possessing the hydrogen-contained matters. The richest hydrogen-contained matter is water (H2O), next is various fossil fuels (i.e. coal, petroleum, natural gas) and biomass. So in order to develop and utilize this ideal clean energy, it is necessary to exploit the hydrogen resources, that is to research and develop the diverse hydrogen production methods.

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Fuel Cell Principles

Fuel cells are simply devices that convert fuel (such as hydrogen, methane, propane, etc.) directly into D.C. electricity. The process is an electrochemical reaction that is similar to a battery. Unlike the battery though, fuel cells do not store the energy with chemicals internally. Instead, they use a continuous supply of fuel (chemical) from an external storage tank.

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