GOTHENBURG, Sweden—Engineers at the Chalmers University of Technology here have developed a massless energy storage device that functions as both a battery and a load-bearing structure.
OAK RIDGE, TN—Engineers at Oak Ridge National Laboratory have developed a thin, flexible, solid-state electrolyte that may double energy storage for next-generation electric vehicles and portable electronic devices.
Engineers at Harvard University have developed a lithium-metal battery that can be charged and discharged thousands of times and recharged in a matter of minutes.