The Battery Is Ready to Power the World

After a decade of rapidly falling costs, the rechargeable lithium-ion battery is poised to overhaul the car industry, disrupt the power grid and challenge the dominance of oil and gas.After a decade of rapidly falling costs, the rechargeable lithium-ion battery is poised to overhaul the car industry, disrupt the power grid and challenge the dominance of oil and gas.Read MorePAIDWSJ.com: US Business