The maker of Jeep SUVs, Ram pickup trucks and other vehicles on Wednesday said it has signed a supply agreement to secure nickel sulphate for electric vehicle batteries. Finland-based Terrafame Ltd. will begin supplying Stellantis NV the minerals in 2025 for the five-year term of the agreement. In a news release, the automaker said the deal “will cover a significant portion of the needs for sustainable regionally sourced nickel” in the company’s pivot toward zero-emission vehicles. “This agreement is part of the key raw material sourcing to fit with our electrified vehicle battery pack needs,”…