June 17, 2024
Researchers create blueprint for 'quantum battery' that doesn't lose charge
Future research will explore viable ways of charging and discharging the battery, as well as ways of scaling it up for use in practical applications.
Future research will explore viable ways of charging and discharging the battery, as well as ways of scaling it up for use in practical applications.

Scientists from the universities of Alberta and Toronto developed a blueprint for a new quantum battery that doesn’t leak charge.

“A quantum battery is a tiny, nano-size battery meant to be used for applications on the nano scale,” explained U of A chemist Gabriel Hanna, who was principal investigator on the study.

He said the research provides a theoretical demonstration that creating a loss-free quantum battery is possible—offering an advantage over previously proposed quantum batteries.

“The batteries that we are more familiar with—like the lithium-ion battery that powers your smartphone—rely on classical electrochemical principles, whereas quantum batteries rely solely on quantum mechanics,” Hanna noted.

He said the batteries may become an important component in many quantum devices—able to power quantum computers, for example—and in practice, they could be built using current solid-state technologies.

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