宾夕法尼亚大学（University of Pennsylvania），简称宾大（UPenn, Penn），位于美国宾夕法尼亚州的费城，是一所享誉世界的私立研究型大学，常春藤盟校（Ivy League）成员， ...

Scientist have developed a lithium ion battery that charges at an elevated temperature to increase reaction rate but keeps the cell cool during discharge, showing the potential to add 200 miles of ...