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Light Irradiation Increases Charging Rates of Lithium-Ion Batteries

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Researchers at the U.S. Department of Energy’s (DOE) Argonne National Laboratory have discovered a new mechanism to speed up the charging of lithium-ion batteries for electric vehicles. By exposing the cathode to a beam of concentrated light — for example, the white light from a xenon lamp — the battery charging time can be lowered by a factor of two or more. Charging for an electric car that is on empty currently takes about eight hours. Lithium-ion batteries work in a dark state, with the electrodes housed in a case. Argonne's photo-assisted technology would use a...Read full article

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    Published: November 2019
    Glossary
    optoelectronics
    Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is a combination of "optics" and "electronics," reflecting the interdisciplinary nature of this field. Optoelectronic devices convert electrical signals into optical signals or vice versa, making them crucial in various technologies. Some key components and applications of optoelectronics include: ...
    Research & TechnologyU.S. Department of EnergyArgonne National LaboratoryAmericasLight SourcesMaterialsoptoelectronicsautomotiveLithium-ion batterieselectric vehiclesenergyConsumerphoto-accelerated charging processenvironmentTech Pulse

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