A new type of battery that could charge almost instantly and even power devices remotely is no longer just a theory. According to a report highlighted by The Guardian, Australian researchers have built what they believe is the world’s first working prototype of a quantum battery.
It is a device that can charge, store and discharge energy using the principles of quantum mechanics. The breakthrough comes from a team led by scientists from the CSIRO, Australia’s national science agency, and marks the first time a quantum battery has undergone a full charge-store-discharge cycle.
How does a quantum battery actually work?
Unlike traditional batteries that rely on chemical reactions, quantum batteries use light and quantum interactions to store energy. One of their most surprising properties is that they can charge faster as they increase in size, thanks to so-called “collective effects”. To put it simply, adding more quantum cells actually speeds up the charging process, which is the exact opposite of how traditional batteries behave.
The current prototype can be charged in femtoseconds (a quadrillionth of a second) and is wirelessly powered by a laser that converts light into electrical energy. What’s more, the same mechanism also opens the door to something even more futuristic: remote charging. Researchers say devices like drones or even cars could potentially be charged while driving without ever having to be plugged in.
How close are we to using this in real gadgets?
Not very, at least at the moment. The current prototype can only store a tiny amount of energy and only holds its charge for a few nanoseconds, making it impractical for everyday devices like smartphones or laptops.
Researchers say the next big challenge is to increase both capacity and storage time. Until then, quantum batteries will be used more in niche areas such as quantum computing, where their unique properties could offer real advantages. Still, the implications are hard to ignore. As the technology matures, it may be possible that there will be no need for a connection at all.
