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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One 90-minute charge of its 3,000-mAh lithium-ion battery is claimed to be good for 40 minutes of runtime. New Atlas, 30 Jan. 2026 Faster future computers As compared to the lithium-ion battery in your phone, a quantum battery doesn’t rely on chemical reactions. Mrigakshi Dixit, Interesting Engineering, 29 Jan. 2026 Scientists are working on sodium-ion batteries that solve several problems with lithium-ion batteries currently used in devices, including cost, and the nature of lithium mining. John Werner, Forbes.com, 25 Jan. 2026 The nearby Erie Basin Auto Pound, where the NYPD impounds vehicles involved in criminal investigations, was damaged by multiple fires in recent years, including a 2022 blaze sparked by a lithium-ion battery that destroyed a massive collection of DNA evidence. Colin Mixson, New York Daily News, 21 Jan. 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

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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 1 Feb. 2026.

Last Updated: - Updated example sentences
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