Chile’s exports of lithium carbonate reached $949-million in 2018 compared to $686-million the previous year as demand and prices for the key component in electric vehicle batteries continues to rise, the central bank said on Monday. The value of exports of the metal from Chile reached $65.8-million in December, compared to a high of $97-million in August, $71-million in November and $45-million in December 2017. The increase represented a year-on-year rise of 46.2%.