Professor Dong-Myeong Shin and his team from the Department of Mechanical Engineering under the Faculty of Engineering at the University of Hong Kong (HKU) shed light on the contribution of ions in ...

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The lithium-ion battery is a new energy storage device widely employed in various fields such as mobile power, electric vehicles, unmanned aerial vehicles, and spacecrafts due to its high energy, high ...

Your power banks's capacity won’t neatly map onto your charging needs, but finding the right size doesn’t have to be ...

A new graphene supercapacitor stores battery-level energy and recharges instantly, redefining fast power storage. Engineers ...