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11. – 15.3.2019 (Monday – Friday), Frankfurt am Main

Electricity and heat: fuel-cell heating

The energy in a fuel cell is provided by hydrogen. Natural gas is used to produce the hydrogen. The hydrogen is harvested in an up-stream reformer, which turns the natural gas into hydrogen.

Fuel-cell heaters make use of the principle of reverse electrolysis. The fuel cell consists of the so-called 'stack', through which controlled quantities of hydrogen and oxygen are passed. This cold combustion process generates both electricity and heat, which can cover a significant part of a building's demand. A peak-load gas-burning condensing boiler, combined with a fuel cell is then available for peaks in demand on cold days.

The fuel cell extends the product portfolio of the German heating industry to the tune of some highly efficient technology, which generates decentralised electricity and heat in a combined heat and power process and can thus make a substantial contribution to the energy revolution and to energy integration. For the consumer, there are significant advantages to be achieved through economically produced electricity, capable of covering the core demand for heat. Attractive subsidies for fuel cells have been available in Germany since August 2016.

The latest developments and trends in fuel-cell heating will be presented by manufacturers from the heating industry in the ISH Energy section at ISH 2017.

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