cobalt

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The purchase brings to a close an effort, stretching back to the Biden administration, to secure critical cobalt supplies in the Democratic Republic of Congo.

From The Wall Street Journal • Mar. 31, 2026

China currently dominates the global supply of lithium and cobalt, both of which are needed in batteries.

From Barron's • Mar. 28, 2026

Sulphur is used to make sulphuric acid, which is used for processing copper, cobalt and nickel and also for the extraction of lithium.

From BBC • Mar. 26, 2026

Other companies invested tens of billions of dollars in building plants in the U.S. to make lithium-ion batteries with expensive nickel and cobalt inside.

From The Wall Street Journal • Mar. 24, 2026

“Also cobalt and copper and zinc. Everything my country has that your country wants.”

From "The Poisonwood Bible" by Barbara Kingsolver