Quantum batteries harvest energy from light
Physics World
APRIL 9, 2022
Your night-mode photos might get a lot crisper thanks to a new device that exploits quantum mechanics to absorb photons more efficiently. Known as a quantum battery, the device stores the energy of the absorbed photons and can be charged simply by shining light on it — great news not just for low-light iPhone photography, but also for solar panels, which could use similar technology to capture the Sun’s energy a lot faster.
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