The system is based on PEM (proton exchange membrane) technology, in which electricity decomposes water into hydrogen and oxygen. If the electrolysis uses electricity from regenerative sources, the hydrogen is generated with almost no effect on the climate.

Exploiting the potential of hydrogen

Roland Kaeppner, head of the Siemens Hydrogen Electrolyzer Business Unit responsible for this development, said: "The investment in the field of hydrogen is an important step toward further widening our environment portfolio. We're offering a technology that exploits the potential of hydrogen for industrial processes and storing energy."

The production of hydrogen provides a source of energy which can be stored and used anywhere. Hydrogen can also be transformed into primary energy in many ways, such as feeding it back into gas turbines, adding it into the natural gas supply, or in material-sensitive recycling. Kaeppner added that Siemens intended to develop PEM electrolysis technology into the three-digit megawatt range for industrial applications.

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Hydrogen is already playing a significant role in many industrial production processes, and serves as fuel for fuel cell powered vehicles. On account of its high energy density, it is also regarded as a potential key technology for the storage of large quantities of energy. This means that hydrogen will be able to make a substantial contribution toward integrating renewable energies into the electricity-supply system.

Source: Siemens

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