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Researchers at the Southwest Research Institute have established a quantitative index to determine when sodium-ion batteries can effectively replace lithium-ion cells across specific operating conditions.
Scientists at the State University of Campinas have developed a phase-field simulation model that uses natural voltage variations to inspect the internal microstructure and chemical kinetics of lithium-ion batteries without physical disassembly.
Upcoming European Union regulations are poised to influence smartphone design, potentially ushering in a return to more easily replaceable batteries for consumer devices.
The import restrictions focus largely on Chinese equipment that officials say could enable surveillance, remote control or cyberattacks.
