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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
When burned or run through a fuel cell, the fuel produces water as exhaust, not carbon dioxide (CO2).
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science.org, 23 Jan. 2025
Billions of dollars could be funneled into the emerging sector, which includes tech like gas turbines, fuel cells and solar microgrids built next to data centers.
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Katie Fehrenbacher, Axios, 21 Jan. 2025
Hydrogen fuel cells produce zero emissions and offer the advantage of faster refueling times and longer ranges compared to electric vehicles.
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Umberto Cavallaro, Forbes, 2 Jan. 2025
Still, California is moving forward with its first deadline in the transition to smaller EVs, requiring at least 35% of model year 2026 vehicles be sold with electric, fuel cell or plug-in hybrid engines.
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John Moritz, Hartford Courant, 4 Feb. 2025
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Word History
First Known Use
1922, in the meaning defined above
Dictionary Entries Near fuel cell
Cite this Entry
“Fuel cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuel%20cell. Accessed 23 Feb. 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
Britannica.com: Encyclopedia article about fuel cell
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