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Nickel in sulphate production is expected to rise from 211 kilo-tonnes (Kt) in 2019 to its peak at 450 Kt in 2027, while demand driven by the electric vehicle (EV) sector continues to accelerate, reaching approximately 800 Kt by 2035, says Wood Mackenzie. Historically, nickel sulphate is used in solution as the electrolyte in nickel plating, with other minor applications, such as in the manufacture of catalysts. More recently, it has become increasingly important as a feed chemical in the production of battery cathode materials, particularly in lithium-ion batteries for EVs.