lithium-ion battery


Definition of lithium-ion battery 

: 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

In San Francisco, the fire department says lithium-ion batteries in buildings with capacities larger than 20 kilowatt-hours must comply with city and California fire codes for stationary battery systems. Mark Chediak,, "Boom in giant batteries hits another roadblock: Cities' fear of fire," 18 May 2018 The company flirted with building its own batteries and reportedly tried to secure a contract for cobalt, an important mineral for lithium-ion batteries that primarily comes from conflict-rife areas of the Democratic Republic of Congo. Megan Geuss, Ars Technica, "Chinese firm will build battery factory in Germany to supply BMW, Volkswagen," 9 July 2018 The state lured Tesla’s giant lithium-ion battery plant to a site outside Reno by promising $1.3 billion in incentives. Russ Mitchell,, "How Tesla uses cash from Nevada casinos to boost its bottom line," 24 June 2018 The motors pull their power from a lithium-ion battery that’s divided into two blocks, mounted alongside and behind the driver. Jack Stewart, WIRED, "VW's Electrifying Bid to Dominate a Mountain Race," 22 June 2018 But no one has yet invented a lithium-ion battery capable of storing solar energy for long periods of time to even out seasonal variations in sunlight. The Economist, "Word of warmingSwitching to renewables will not be as rapid as many hope," 15 Mar. 2018 Siemens, one of GE’s biggest rivals in the power business, paired with AES Corp. last year to launch Fluence Energy LLC, a joint venture that is building what is expected to be the world’s largest lithium-ion battery in California. Erin Ailworth, WSJ, "GE Power, in Need of a Lift, Chases Tesla and Siemens in Batteries," 7 Mar. 2018 Most of these vehicles rely on large lithium-ion batteries, prompting worries about whether the world's lithium supply can keep up. Prachi Patel, Scientific American, "Could Cobalt Choke Our Electric Vehicle Future?," 1 Jan. 2018 On the other hand, an LAES system is only 60- to 75-percent efficient, compared to the 75- to 85-percent efficiency of lithium-ion batteries. Megan Geuss, Ars Technica, "Liquid-air energy storage: The latest new “battery” on the UK grid," 13 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lithium-ion battery.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of lithium-ion battery

1990, in the meaning defined above

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Last Updated

23 Aug 2018

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The first known use of lithium-ion battery was in 1990

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