Potassium can make electric vehicle batteries more efficient

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Potassium compounds are mainly used to produce fertilisers. Many potassium salts are of great importance in industrial applications, including nitrate, carbonate, chloride, bromide, cyanide and sulphate. Potassium carbonate is used, for example, in the manufacture of glass, and potassium hydroxide is used to make detergents and liquid soap. Potassium chloride is used in medicines and in brine. The impressive list has just been extended to include electric vehicle batteries.