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

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

China produces at least seventy per cent of the world’s drones, electric vehicles, lithium-ion batteries, and solar cells. — Evan Osnos, New Yorker, 3 Aug. 2026

If lithium-ion batteries helped launch the EV revolution, sodium-ion batteries could play a key role in making that revolution more affordable, more sustainable, and accessible to far more people around the world. — Kaif Shaikh, Interesting Engineering, 2 Aug. 2026

These are just a few examples of ways that batteries—especially lithium-ion batteries—might cause an unexpected spark and flame. — Nafeesah Allen, Better Homes & Gardens, 1 Aug. 2026

Word History

First Known Use

1980, in the meaning defined above

Rhymes for lithium-ion battery

• flattery
• slattery