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Australian Quantum Battery Prototype Extends Storage Time by 1,000-Fold

Researchers are moving to partner with industry on next-generation designs after proving the concept in a lab-scale device.

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RMIT team created an experimental device to test their method.

Overview

  • The prototype retains energy for microseconds, marking a 1,000-fold increase over earlier nanosecond-scale demonstrations.
  • A team from RMIT University and CSIRO built and tested five devices, finding perfect alignment of two energy levels maximized storage time.
  • Results published in July 2025’s PRX Energy journal represent the first clear experimental proof-of-concept for quantum-enhanced energy storage.
  • The method exploits quantum superposition and photon-electron interactions to control discharge rates and improve efficiency.
  • Researchers have begun engaging industry partners to develop next-generation prototypes, with practical deployment set as a future objective.