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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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 Recordings are automatically uploaded to the cloud at 100% quality while the camera's 1,255-mAh lithium-ion battery is charging, at which time the memory card is also automatically wiped. Ben Coxworth october 10, New Atlas, 10 Oct. 2025 The new installation will use containerized lithium-ion batteries to store excess renewable electricity and discharge it during peak hours or grid emergencies. Walker Armstrong, San Diego Union-Tribune, 9 Oct. 2025 The lithium-ion battery may overheat during Level 3 charging. Sandy Mazza, Nashville Tennessean, 3 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 18 Oct. 2025.

Last Updated: - Updated example sentences
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