ペンシルバニア州立大学:耐寒性能を高めた、EVバッテリーを開発 : Engineers Develop Electric Car Battery That Can Heat Itself During Winter : 宾夕法尼亚州立大学工程师开发的电动汽车电池可以在冬季加热 2018年07月02日By Tokio X'press Batteries, EV Electric Car Battery That Can Heat Itself During Winter