A Chinese automaker has developed a battery that will enable electric vehicles (EVs) to charge almost as quickly as it takes to fill a regular car's gas tank. The new battery, named the e-platform, was developed by BYD, a Chinese firm that is overtaking Tesla as the world's top seller of electric vehicles. Assigned a 10C rating — meaning the battery can move charge at ten times the rate of its nominal capacity — the e-platform can reach full charge in just six minutes. At its peak charging power of 1,000 kilowatts , the battery's charging rate is twice as...