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

My sister drove with me once, the week a tractor-trailer carrying lithium-ion batteries exploded, shutting down the interstate and stranding thousands of travellers without food, water, or gas in 110-degree heat. —Hazlitt, 7 Jan. 2026

The design eliminates flammable liquid electrolytes and thermal runaway risks, addressing long-standing safety concerns associated with conventional lithium-ion batteries. —Neetika Walter, Interesting Engineering, 6 Jan. 2026

They are powered by a rechargeable lithium-ion battery and have three temperature settings. —Bestreviews, Chicago Tribune, 2 Jan. 2026

Underneath the shell is an 800-volt electrical architecture, which allows the 48-volt lithium-ion battery to recoup roughly 200 miles in 10 minutes. —Morgan Korn, ABC News, 31 Dec. 2025

Word History

First Known Use

1980, in the meaning defined above

Rhymes for lithium-ion battery

• flattery
• slattery