lithium-ion battery

noun

lith·​i·​um-ion battery ˈli-thē-əm-ˈī-ən- 

-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

By contrast, a conventional lithium-ion battery has two electrodes containing materials that store and release energy. — Christopher McFadden, Interesting Engineering, 7 Nov. 2026

Investigators say lithium-ion batteries were the cause of a fire that led to the death of a Boston firefighter in May. — CBS News, 5 Nov. 2026

The announcement of the enforcement operation comes a week after a lithium-ion battery in an e-moped exploded in an apartment in Mott Haven in the Bronx, killing three young boys and their father’s girlfriend. — Evan Simko-Bednarski, New York Daily News, 5 Nov. 2026

In addition, one structure caught on fire after the saltwater surf damaged a lithium-ion battery. — Jack Flemming, Los Angeles Times, 30 Oct. 2026

Word History

First Known Use

1980, in the meaning defined above

Rhymes for lithium-ion battery

• flattery
• slattery