Cobalt

material · 1735 · Early modern era

A metal in the cathodes of lithium-ion batteries.

Inventor: Georg Brandt.

Where it is used

• Cathode (lithium metal oxide) — is material for. LiCoO₂ contains cobalt.
• Cemented carbide — is material for. A cobalt binder.
• Hard disk drive — is material for. The magnetic layer is a cobalt alloy.
• Gamma Knife — is material for. The sources are cobalt-60.

Open Evothings