The deal, with Norway’s Vianode, is for delivery of a material critical for electric-vehicle batteries, the companies said Wednesday.

General Motors has reached an agreement with battery materials producer Vianode that will develop and supply synthetic anode graphite for the automaker’s battery manufacturing.

General Motors has signed a multi-year, multi-billion dollar agreement for Norway's Vianode to provide the U.S. automaker with synthetic graphite anode materials for its electric vehicle batteries, the companies said on Wednesday.