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arxiv: 2501.16541 · v1 · submitted 2025-01-27 · 🪐 quant-ph

Experimental demonstration of a scalable room-temperature quantum battery

classification 🪐 quant-ph
keywords quantumbatterydemonstrationenergyexperimentalroom-temperaturescalablesuperextensive
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Harnessing quantum phenomena in energy storage systems offers an opportunity to introduce a new generation of batteries with quantum-enhanced performance. Until now, the quantum battery has largely remained a theoretical concept, with little progress towards experimental realisation, due to the challenges in quantum coherent control. Here, we experimentally demonstrate a scalable room-temperature quantum battery with a multi-layered organic-microcavity design. We show that it exhibits superextensive charging, metastabilisation of stored energy, and generates superextensive electrical power, the latter an unpredicted phenomenon. The combination of these properties in a single device is the first demonstration of the full cycle of a quantum battery, laying the framework for future designs.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Dual-use quantum hardware for quantum resource generation and energy storage

    quant-ph 2026-04 unverdicted novelty 6.0

    Quantum resource generation and quantum battery charging can be achieved with the same protocols, enabling integrated dual-use hardware on superconducting circuits.

  2. Dual-use quantum hardware for quantum resource generation and energy storage

    quant-ph 2026-04 unverdicted novelty 5.0

    Protocols for generating quantum resources can simultaneously charge quantum batteries with a collective advantage, enabling dual-use superconducting hardware for sensing or energy storage.

  3. Collisional charging of a transmon quantum battery

    quant-ph 2025-06 unverdicted novelty 5.0

    A transmon quantum battery charged by coherent ancillas achieves improved control of stored energy and extraction in experimentally accessible parameter regimes.