The world’s largest battery maker and user, the country that dominates all alternative energy technology, is about to find out whether it could also boost its already dominant presence in a critical battery metal: lithium. China, according to a new study, could have significant, untapped resources of lithium right underneath its battery factories. The possibility was detailed in a recent study that argued lithium deposits resulting from ancient volcanic activity could be located in East and South China, where most of the country’s battery…