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
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Lower ambient temperatures slow chemical reactions in lithium-ion battery cells, reducing their throughput and capacity.
—
Atharva Gosavi, Interesting Engineering, 3 Dec. 2025
Colorado’s e-bike law requires safety certification of lithium-ion batteries, which can explode when manufactured or used improperly.
—Tribune News Service, San Diego Union-Tribune, 3 Dec. 2025
Newer lithium-ion batteries that use iron phosphate cathodes are also considered safer from fire risk.
—Ivano W. Aiello, The Conversation, 1 Dec. 2025
So, to find other sources of the material, scientists have been turning to lithium-ion batteries that have reached the end of their lifespan, yet still have perfectly usable amounts of the metal inside.
—New Atlas, 30 Nov. 2025
See All Example Sentences for lithium-ion battery
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Atharva Gosavi, Interesting Engineering, 3 Dec. 2025
Colorado’s e-bike law requires safety certification of lithium-ion batteries, which can explode when manufactured or used improperly.
—Tribune News Service, San Diego Union-Tribune, 3 Dec. 2025
Newer lithium-ion batteries that use iron phosphate cathodes are also considered safer from fire risk.
—Ivano W. Aiello, The Conversation, 1 Dec. 2025
So, to find other sources of the material, scientists have been turning to lithium-ion batteries that have reached the end of their lifespan, yet still have perfectly usable amounts of the metal inside.
—New Atlas, 30 Nov. 2025
See All Example Sentences for lithium-ion battery
Cite this Entry
“Lithium-ion battery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lithium-ion%20battery. Accessed 6 Dec. 2025.
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