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

This level of energy density is notably higher than the 150–250 Wh/kg range typically found in the conventional lithium-ion batteries used in current electronics and electric vehicles. —Aman Tripathi, Interesting Engineering, 30 Apr. 2026

Portable chargers -- which contain lithium-ion batteries intended to charge personal electronic devices -- may not be stored in overhead bins and cannot be recharged during the flight, the airline said. —Kelly McCarthy, ABC News, 27 Apr. 2026

By Spare lithium-ion batteries and power banks must go in carry-on bags due to higher fire risk and lack of containment. —Bailey Berg, Travel + Leisure, 24 Apr. 2026

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

Word History

First Known Use

1980, in the meaning defined above

Rhymes for lithium-ion battery

• flattery
• slattery