Mitsubishi Chemical Corporation: Patent Pertinent to Lithium-ion Secondary Battery for Vehicles Granted
Mitsubishi Chemical Corporation (“MCC” HQ: Chiyoda-ku, Tokyo, President and Representative Director: Masayuki Waga) and MU Ionic Solutions Corporation (“MUIS” HQ: Chiyoda-ku, Tokyo, President and Representative Director: Masaaki Tsuchiyama) announce the grant by the European Patent Office (“EPO”) of their jointly owned European patent pertaining to a lithium-ion secondary battery (European Patent Application Number: 06 83 2384.9; “the Patent”). The Patent, which relates to a lithium-ion secondary battery for vehicles, covers a combination of a nickel-containing positive electrode material, which is the standard choice in lithium-ion secondary batteries for vehicles, and an electrolyte comprising lithium difluorophosphate. The Patent, which has already been granted in Japan, US, China as well as South Korea, has now been additionally granted by the EPO with effect