The quest to prevent batteries – rich in raw materials such as cobalt, lithium and nickel – ending up as a mountain of waste Batteries at a factory in Nanjing in China’s eastern Jiangsu province, which makes lithium batteries for electric cars. Photograph: STR/AFP via Getty Images A tsunami of electric vehicles is expected in rich countries, as car companies and governments pledge to ramp up their numbers – there are predicted be 145m on the roads by 2030. But while electric vehicles can play an
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