Phone and electric car makers are bracing for a global shortage of the minerals used to make their batteries. That shortage has led prospectors back to 100-year-old silver mines in northern Ontario. Cobalt, Ont., is hoping to cash in.
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Phone and electric car makers are bracing for a global shortage of the minerals used to make their batteries. That shortage has led prospectors back to 100-year-old silver mines in northern Ontario. Cobalt, Ont., is hoping to cash in.