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.
SpaceX is already planned to augment power supply by bringing large-scale rechargeable lithium-ion battery storage on site as a single launch of its heavy-lift rocket will require more power than will be available. Richard Tribou, The Orlando Sentinel, 26 June 2026 What’s more, unlike lithium-ion batteries, the sand itself does not degrade over time. Christopher McFadden, Interesting Engineering, 26 June 2026 High-voltage lithium-ion battery systems that power electric vehicles are especially prone to thermal runaway if damaged, which can produce intense heat, toxic gases and prolonged fire conditions requiring specialized firefighting and hazardous materials personnel to control the incident. Reeti Malhotra, Sacbee.com, 24 June 2026 Covina residents said their concerns stem from lithium-ion battery fires, which could be tough to put out. Tom Wait, CBS News, 24 June 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 Jul. 2026.

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