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

But overcoming perceptions that lithium-ion battery technology is inherently dangerous has proven challenging, and developers sometimes fuel mistrust by dismissing residents’ concerns about fire, toxic threats and the industrialization of natural landscapes. —Bloomberg, Oc Register, 23 Apr. 2026

Despite the intensity of the fire, which some neighbors said may have been fueled by lithium-ion batteries, no injuries were reported. —Jasmine Viel, CBS News, 22 Apr. 2026

Critical minerals include lithium, cobalt, nickel, and graphite — key components of the lithium-ion batteries in smartphones, EVs, and the grid-scale storage systems that hold solar and wind power for later use. —Big Think, 22 Apr. 2026

For example, their lithium-ion batteries can’t simply be thrown into landfills due to their propensity to overheat and catch fire. —Angelica Ang, Fortune, 21 Apr. 2026

Word History

First Known Use

1980, in the meaning defined above

Rhymes for lithium-ion battery

• flattery
• slattery