lithium-ion battery

noun

: 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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Even power banks and any other devices with lithium-ion batteries must be in a carry-on due to risks of overheating. Kathleen Wong, USA Today, 11 Aug. 2026 These industries cannot easily run on electricity or heavy lithium-ion batteries. Mrigakshi Dixit, Interesting Engineering, 10 Aug. 2026 Cause still under investigation FDNY sources say investigators are looking at the cause as a possible combination of lithium-ion battery and gas due to the severity of the explosion. Lisa Rozner, CBS News, 6 Aug. 2026 Though early reports indicated a lithium-ion battery may have been responsible, investigators now suspect a gas leak triggered the explosion, FDNY sources said. Rocco Parascandola, New York Daily News, 5 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

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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 14 Aug. 2026.

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