China's Unfair Advantage in Hybrid Car Batteries
With China poised to surpass the United States as the world's largest automobile market this year, the Chinese government has announced plans to help the nation leapfrog Japan to become the largest producer of all-electric and hybrid vehicles in the world. By committing to electric vehicle production, China is also attempting to reduce urban air pollution, carbon emissions and growing dependence on imported oil. A current production Toyota Prius nickel metal hydride battery pack uses 30 kilograms of nickel, 2 kilograms of cobalt and 12 kilograms of lanthanum because the active hydrogen storage alloy in the battery is either LaNi4.5Co0.5 or (Ce, La, Nd, Pr)Ni5. The Prius assembly plant in Japan has so far used one and 1.5 million rechargeable nickel metal hydride battery packs and achieved with them some of the lowest numbers of service issues ever seen in the OEM automotive industry. In fact most of the original Prius rechargeable nickel metal hydride battery packs have exceeded ...