lithium-ion battery

noun

lith·​i·​um-ion battery ˈli-thē-əm-ˈī-ən- How to pronounce lithium-ion battery (audio)
-ˈī-ˌän-
: a rechargeable battery that uses lithium ions as the primary component of its electrolyte

Note: Lithium-ion batteries are common in portable electronic devices such as cell phones and laptop computers.

Examples of lithium-ion battery in a Sentence

Recent Examples on the Web
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Add to that a powerful lithium-ion battery, allowing for ten hours of uninterrupted stargazing. Anthony Wood, Space.com, 22 Oct. 2025 The fire department used the incident to stress the importance of properly charging, storing and handling lithium-ion batteries. Bonny Chu, FOXNews.com, 20 Oct. 2025 Each barrel of the DL700 is powered by a separate 6,000-mAh lithium-ion battery. Ben Coxworth october 17, New Atlas, 17 Oct. 2025 As the world searches for alternatives to lithium-ion batteries, researchers are turning to materials that are safer, cheaper, and easier to source. Aamir Khollam, Interesting Engineering, 16 Oct. 2025 See All Example Sentences for lithium-ion battery

Word History

First Known Use

1980, in the meaning defined above

Time Traveler
The first known use of lithium-ion battery was in 1980

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Cite this Entry

“Lithium-ion battery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lithium-ion%20battery. Accessed 25 Oct. 2025.

Last Updated: - Updated example sentences
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