A fuelcell is a device that uses a source of fuel, such as hydrogen, and an oxidant to create electricity from an electrochemical process.
燃料电池是一种利用某种燃料(举例:氢)和氧化剂通过电化学过程产生电能的装置。
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However, it will take time for fuel cells to penetrate markets now served by other power sources, and commercial demand will continue to account for less than half of all fuelcell spending in 2016.