(ANSA) – ROME, JANUARY 17 – A battery with a superfast recharge time, inversely related to the amount of stored energy, which in the future can be applied to wireless chargers, solar cells and cameras.
It was built by researchers from the Institute of Photonics and Nanotechnologies of the Cnr and the Politecnico di Milano, the study is published in Science Advances Quantum batteries operate according to the principles of quantum physics, the science that studies the infinitely small where they are not always valid the laws of classical physics.
Tersilla Virgili of the Institute of Photonics and Nanotechnologies of the National Research Council (Cnr-Ifn) and Giulio Cerullo of the Physics Department of the Politecnico di Milano worked on this study. “Quantum batteries have a counter-intuitive property in which the charging time is inversely related to the battery capacity and that is to the amount of electrical charge stored – explains Virgili – This leads to the intriguing idea that the charging power of quantum batteries is super-extensive and that is that it increases faster with the size of the battery “. The fabricated device is a microcavity in which the active material consists of organic molecules dispersed in an inert matrix.
“Each molecule represents a unit that can exist in a quantum superposition state of two energy levels (fundamental and excited), similar to the way a qubit, the basic unit of quantum information, can be both 0 and 1 at the same time. in quantum computers “, Cerullus specifies.
By constructing the quantum battery in a way that units can exist in superposition, the total system can behave collectively. This behavior, known as quantum coherence, allows the units to act cooperatively, giving rise to a hyper-fast charge that depends on the number of molecule-units. “In the future this type of device can be applied in various fields such as wireless chargers, solar cells and cameras”, concludes Virgili. (HANDLE).
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Source From: Ansa
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