Monitoring the lifespan of a lithium-ion battery without disassembling it may be possible. This prospect emerged from a study published in May in the journal Cell Reports Physical Science by researchers at the State University of Campinas (UNICAMP) in the state of São Paulo, Brazil, and their collaborators. The scientists created an advanced computational model to investigate these energy sources and discovered that natural voltage fluctuations act as an “X-ray” of the system. This reveals the microscopic structure of battery materials and the speed of the chemical reactions occurring within them. The finding paves the way for rapid, low-cost diagnostics in energy storage.
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