Car manufacturers are being offered 100kW arrays of fuel cells that cost less than those currently used for electric cars. They can give instant energy density of 3.5kW per litre, or 3kW per kilogram of fuel cells. Further, they are already adapted for an inexpensive mass production.

In order to achieve such a high energy density of joined fuel cells, the manufacturer had to implement a particular temperature reducing technology based on evaporative cooling (EC). Compared with the conventional liquid cooling, there is no need for complicated cooling channels in each individual cell. When more cells are joined into an array, there is a big advantage in terms of required mass and volumetric space. Consequently, they require less space and weigh less in cars, too.

June 6, 2015 Driving photo: Intelligent Energy

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