World’s first quantum battery could enable ultra fast charging

Scientists say this emerging technology could reshape how energy is stored and delivered, potentially enabling devices to charge at dramatically faster speeds.

First Quantum Battery Developed and Tested

The project was led by CSIRO in partnership with the University of Melbourne and RMIT, with findings published in Nature Light: Science & Applications. Key contributors included University of Melbourne researchers Associate Professor James Hutchison and Professor Trevor Smith.

"Similar to conventional batteries, quantum batteries charge, store and discharge energy. But while everyday batteries rely on chemical reactions, quantum batteries leverage properties of quantum mechanics," Associate Professor Hutchison said.

"The advantage of quantum is that the system absorbs light in a single, giant 'super absorption' event and this charges the battery faster."

Ultrafast Laser Testing Confirms Rapid Charging

To verify the prototype's performance, researchers used the University of Melbourne's Ultrafast Laser Laboratory within the School of Chemistry. Advanced spectroscopy techniques allowed them to observe and confirm the battery's rapid charging behavior.

"The unique capabilities of our Ultrafast Laser Lab, including dual femtosecond laser amplifiers and tunable optical parametric amplifiers, were critical in enabling us to record ultrafast signals over orders of magnitude in time," Professor Smith said.

Breakthrough Points to Future Quantum Energy Storage

The findings offer an early look at how quantum-based energy systems might power future technologies.

Dr. James Quach, quantum science and technologies science leader at CSIRO, led the team that designed and built the prototype.

"The research and proof-of-concept validates the exciting potential of quantum batteries to achieve rapid, scalable charging and energy storage at room temperature, laying the groundwork for next-gen energy solutions," Dr. Quach said.

"Our findings confirm a fundamental quantum effect that's completely counterintuitive: quantum batteries charge faster as they get large.

"While there's still much work to be done in quantum battery research, we've made an important move towards realizing the possibilities. The next step right now for quantum batteries is extending their energy storage time."