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fuel cell

noun

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


fuel cell

noun

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


fuel cell

  1. 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

  1. 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

Republic committed to an order of 2,500 refuse trucks based on the Nikola Tre truck platform, which will use either batteries or, in a version slated for 2023, a liquid hydrogen fuel cell.

From Fortune

The company founded by entrepreneur Trevor Milton set out to transform the trucking industry by replacing the diesels in big rigs with batteries and fuel cells.

From Fortune

Instead, Nikola would pay GM the cost of tailoring GM’s Hydrotec fuel cells to Nikola’s planned freight trucks, and then pay more down the road to buy those fuel cells.

From Fortune

It doesn’t specify whether the passenger cars sold by that date would be powered by batteries or hydrogen fuel cells — only that they have zero emissions.

From Fortune

He’s part of a team working on one such a device, a type of fuel cell.

He even created the U.S. Department of Energy, in part to inspire new wind-solar-fuel-cell alternatives to oil and coal.

One is the fuel cell, which converts fuel directly into electric power without the necessity for machinery or working parts.

Wait a minute, said one of the others, is it some kind of hydrogen fuel cell?

Much progress has been made on the fuel cell in recent months.

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fuel air bombfuel-efficient