#1
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science21h ago
This May Be the World’s First Quantum Battery
Gizmodo.com and 2 more
- The Australian CSIRO-led team demonstrates a quantum battery prototype with ultra-fast charging that leverages collective quantum effects to outperform classical expectations.
- The device uses an organic microcavity stack to trap light, enabling rapid energy storage and a structural basis for fast, collective charging.
- New measurements confirm collective charging: adding more molecules reduces charging time in a 1/√N scaling, aligning with quantum theory.
- Energy extraction is demonstrated by adding layers that convert stored energy into electrical current, marking a step toward usable quantum batteries.
- Current capacity remains modest (a few billion electron-volts) with nanosecond-scale retention, underscoring ongoing practicality hurdles.
- Experts view quantum batteries as immediately applicable to powering quantum devices, with longer-term potential to backstop conventional electronics.
- Researchers pursue a hybrid design to marry quantum charging speed with classical storage longevity for real-world use.
- The work reinforces the 1/√N scaling demonstrations from 2022, reinforcing the promise of collective quantum effects for fast charging.
- The study positions quantum batteries as an emerging, practical field with meaningful potential despite current limits.
- Independent experts characterize the work as a significant demonstration that quantum batteries are real prototypes, not just ideas.
- The long-term vision envisions charging EVs far faster than petrol and enabling long-range wireless charging through quantum technology.
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