(Beijing=Yonhap News) Correspondent Jung Sung-jo = Chinese researchers have succeeded in developing a lithium battery that maintains output even in extreme cold, according to the Chinese state-run media Science and Technology Daily...
(Beijing=Yonhap News) Correspondent Jung Sung-jo = Chinese researchers have succeeded in developing a lithium battery that maintains output even in extreme cold, according to the Chinese state-run media Science and Technology Daily...