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

EVs still account for more than 70% of total lithium-ion battery deployment, the IEA said. — Robert Ferris, CNBC, 8 Sep. 2026

In 2024, six people died due to battery fires, while only one person was killed in a lithium-ion battery fire in 2025. — Julian Roberts-Grmela, New York Daily News, 7 Sep. 2026

The university said the move is intended to improve safety, reduce fire risks associated with lithium-ion batteries and ensure walkways remain accessible. — Gabby Sartori, USA Today, 5 Sep. 2026

At present, lithium-ion batteries excel at short-term electricity storage (hours), but hydrogen can be stored in large quantities in underground salt caverns for months, balancing seasonal swings in renewable energy production. — Mrigakshi Dixit, Interesting Engineering, 3 Sep. 2026

Word History

First Known Use

1980, in the meaning defined above

Rhymes for lithium-ion battery

• flattery
• slattery