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

Over more than a decade, Chinese companies, willing to take on significant risks, have spent billions of dollars buying up mines in Congo, which produces nearly 75% of the world’s cobalt.

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

Holding the driver’s license she crawled into bed and fell into a sleep full of dreams of cobalt blue.

From "Sula" by Toni Morrison