fuel cell

noun

: a device that continuously changes the chemical energy of a fuel (such as hydrogen) and an oxidant directly into electrical energy

Examples of fuel cell in a Sentence

Recent Examples on the Web
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This would also mean the use of e-fuels - synthetic fuels made from renewable electricity, water, and carbon dioxide, and hybrids, plug-in hybrids, range extenders and fuel cells. Neil Winton, Forbes.com, 27 Mar. 2025 Until then, green ammonia is a good first step for shippers—a fuel that can be generated by wind and solar power and utilized by traditional engines or fuel cells. Ken Silverstein, Forbes, 25 Feb. 2025 Electric cars, solar panels and hydrogen fuel cells all have one thing in common: the need for precious metals. Diana Olick, CNBC, 24 Feb. 2025 Billions of dollars are being funneled into the emerging sector, which includes tech like gas turbines, fuel cells and solar microgrids. Katie Fehrenbacher, Axios, 12 Feb. 2025 See All Example Sentences for fuel cell

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of fuel cell was in 1922

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Cite this Entry

“Fuel cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuel%20cell. Accessed 15 Apr. 2025.

Kids Definition

fuel cell

noun
: a device that continuously changes the chemical energy of a fuel (as hydrogen) into electrical energy

More from Merriam-Webster on fuel cell

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