A new energy study determines that up to 80% of U.S. electricity needs could be met with solar and wind energy, if significant investment is made in new transmission lines and large scale battery storage.

A Massachusetts company is developing lithium metal batteries that promise twice the energy density of current lithium ion battery designs. Significantly, the company has developed its new technology using existing battery manufacturing machinery and is already in limited production with its new...

Reducing stress reduces dendrite growth in lithium metal batteries.