cobalt

Example Sentences

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The US is also negotiating a minerals deal with DR Congo to help gain access to the central African country's vast reserves of key metals such as cobalt, tantalum, lithium and copper.

From BBC • Apr. 6, 2026

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

Caught in the middle is American mining company KoBold Metals, which uses AI to scour for copper, lithium, nickel and cobalt.

From The Wall Street Journal • Mar. 28, 2026

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

From Barron's • Mar. 28, 2026

Wiping cookie crumbs from his mustache, he turned into the main road, and there, outlined in cobalt blue, stood Guitar.

From "Song of Solomon" by Toni Morrison