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

The findings could help researchers extract more energy from sulfur, an abundant and relatively inexpensive material already being explored as an alternative to cathode materials used in lithium-ion batteries. — Atharva Gosavi, Interesting Engineering, 25 Sep. 2026

Today’s EVs Were Designed Around Battery Constraints Modern lithium-ion batteries were never invented for automobiles. — Vincent Yang, Forbes.com, 24 Sep. 2026

Oknife Power comes from a 450-mAh 10440 lithium-ion battery that recharges in about an hour and a half using the USB-C port. — New Atlas, 22 Sep. 2026

The plant, one of the world’s largest lithium-ion battery storage sites, was an older facility that launched in 2020. — Blanca Begert, Los Angeles Times, 18 Sep. 2026

Word History

First Known Use

1980, in the meaning defined above

Rhymes for lithium-ion battery

• flattery
• slattery