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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Amprius Technologies has developed a lithium-ion battery cell that reaches 500 Wh/kg at a continuous 1C discharge rate. — Aamir Khollam, Interesting Engineering, 2 Sep. 2026 For lithium-ion batteries and power banks, abuse tests recreate conditions that could cause fire or explosion. — Alison J. Stein, HubSpot, 1 Sep. 2026 Federal safety investigators urged automakers to give emergency responders better guides on how to fight lithium-ion battery fires. — Todd C. Frankel, Washington Post, 28 Aug. 2026 The university also mentioned concerns about pedestrian safety, accessibility, emergency access and risks associated with lithium-ion batteries as reasons for the ban. — Amaia Gavica, Miami Herald, 27 Aug. 2026 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

Rhymes for lithium-ion battery

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Browse Nearby Words

lithium hydride
lithium-ion battery
lithium niobate
See all Nearby Words

Cite this Entry

“Lithium-ion battery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lithium-ion%20battery. Accessed 3 Sep. 2026.

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