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.

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

The group’s goal is to help the U.S. and allied nations secure sources and supply chains for critical minerals such as lithium, cobalt, nickel, graphite, manganese, uranium and copper.

From The Wall Street Journal • Mar. 16, 2026

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

From "The Poisonwood Bible" by Barbara Kingsolver