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

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His research later expanded into flexible electronics, liquid metal electronics, microsupercapacitors, and lithium-ion batteries. Neetika Walter, Interesting Engineering, 18 Sep. 2026 The plant, one of the world’s largest lithium-ion battery storage sites, was an older facility that launched in 2020. Blanca Begert, Los Angeles Times, 18 Sep. 2026 According to the Environmental Protection Agency, the 300-megawatt system that was involved in the fire held about 100,000 lithium-ion batteries. Tim Fang, CBS News, 18 Sep. 2026 Juice is supplied by a 79-kWh (net) lithium-ion battery pack. New Atlas, 17 Sep. 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 19 Sep. 2026.

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