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.
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 The preliminary cause was listed as accidental, due to failure of lithium-ion batteries or a charger. — The Baltimore Sun, Baltimore Sun, 29 June 2026 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 One terminal serves as the energy-storing part of a traditional lithium-ion battery, while the other uses a carbon electrode similar to those in supercapacitors. — Atharva Gosavi, Interesting Engineering, 30 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

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 8 Jul. 2026.

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