Daimler and HPE want to power green data centers with hydrogen

Fuel cells aren't just for cars.

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Hydrogen fuel cells have mainly been used to power vehicles so far, but they could soon find another use: the server farms powering your internet services. Daimler, HPE, Power Innovations and the National Renewable Energy Laboratory are expanding fuel cell use to "micro-grids" inside data centers. Solar and wind power would provide the bulk of the energy, but fuel cells would fill in the gap when power demand is too high or an outage leaves no other choice. Companies wouldn't have to rely quite so heavily on diesel generators or other not-so-eco-friendly backups to cope with demand. And unlike battery backups, there's no limit -- the fuel cell can keep running as long as there's hydrogen.

Work is starting on prototypes this year, though it's safe to say that it will take a while before you see this in the field. HPE is working with its partners to tie fuel cells into its existing IT systems. This could go a long way toward completely green data centers when it is ready, though. And importantly, it gives fuel cells a viable future even if the automotive industry moves entirely to electric cars. It may not find many mainstream uses on the road, but it could make sure your favorite social network is running even if the server faces a total blackout.

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