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“Operating a battery at a higher voltage is a little like pushing an engine harder,” said Vadim Shipitsyn, lead author of the study and a Ph.D. student in the Department of Applied Physical Sciences. “You may get more energy, but you also create conditions that can speed up wear. Our goal was to redesign the electrolyte so that it would better protect the battery under these challenging conditions.”

"Our goal was to understand why some battery materials become unstable when heated while others remain much safer," said Chanmonirath Chak, below, the study's lead author. "By combining laboratory experiments with computer modeling, we were able to identify the chemical reactions that trigger thermal instability and show how changing the electrolyte solvent can dramatically improve safety." 

by Dave DeFusco

Scientists have developed a cleaner and more efficient way to make a key battery material used in sodium-ion batteries.

by Dave DeFusco

Dr. Lin Ma: "Rising Star in Sustainable Energy Storage to Join APS Faculty in July"

by Dave DeFusco