fuel cell

noun

a device that produces a continuous electric current directly from the oxidation of a fuel, as that of hydrogen by oxygen.

fuel cell

noun

a cell in which the energy produced by oxidation of a fuel is converted directly into electrical energy

fuel cell

A device that produces electricity by combining a fuel, usually hydrogen, with oxygen. In this reaction, electrons are freed from the hydrogen in the fuel cell by a catalyst, and gain energy from the chemical reaction binding hydrogen and oxygen; this provides a source for electric current. The exhaust of hydrogen fuel cells consists simply of water. Fuel cells are currently used in spacecraft, and increasingly in ground transportation, with potential use everywhere electricity is required.

fuel cell

An electrochemical device where a chemical reaction produces energy that is converted directly into electricity . Once used primarily in space travel, fuel cells are now being considered for use in cars. Unlike internal-combustion engines , fuel cells do not pollute the environment.

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Word History and Origins

Origin of fuel cell¹

First recorded in 1920–25

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Example Sentences

Examples have not been reviewed.

Normally, uridine nucleotides would be made and consumed to help make the genetic letter codes and fuel cell metabolism.

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“Each year the batteries that we use will improve... Over time, we’ll be able to develop a hybrid powertrain, probably using hydrogen fuel cells and batteries, and that will increase the range further.”

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The incident focused new attention, and fears, on the fuel cells helping drive the state’s clean energy transition.

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Since hydrogen station growth has stalled and hydrogen prices exploded, fuel cell sales have stalled too.

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Hydrogen producers, oil companies, gas companies, green energy companies, environmental policy groups, long-haul trucking companies and fuel cell makers are among the applicants.

From

fuel air bomb fuel-efficient

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