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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The company also announced a collaboration with Hyundai Motor Company where Plus’s autonomous technology is installed on the South Korean automaker’s hydrogen fuel cell XCIENT truck. Ed Garsten, Forbes.com, 22 May 2025 In a hydrogen fuel cell, the membrane helps facilitate the chemical reactions needed to generate electricity. IEEE Spectrum, 13 May 2025 Scandium is used in aluminum alloys for aerospace parts, while yttrium is used in LEDs and solid oxide fuel cells, according to Stanford Advanced Materials, a scandium supplier. Alain Sherter, CBS News, 2 May 2025 Hybrids—defined as vehicles that are propelled by both an electric motor and an internal combustion engine or other power source (which would include fuel cell EVs)—will pay $100. ArsTechnica, 30 Apr. 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 4 Jun. 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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