Fuel cells are electrochemical devices, converting chemical energy from a renewable or conventional fuel source, into electricity with no combustion and no moving parts; comprising two electrodes (anode and cathode) and an electrolyte. This makes fuel cells more simple, quiet and efficient than most other means of generating electricity. An efficiency as high as 83% can be attained by using fuel cells in, for example, a combined heat and power application.
Another advantage of fuel cells is that they are completely scalable. Fuel cells can provide any power or voltage needed, making them suitable for a wide range of applications, basically within three sectors:
Many types of fuel cell technologies are being developed world-wide. The primary research is focused on two types of fuel cells:
Danish companies and universities are engaged in developing fuel cell technology; from fundamental research, through component development and manufacturing, to systems and integration.
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