Two Studies Reveal Details of Lithium-Battery Function
As conventional lithium-ion batteries approach their theoretical energy-storage limits, new technologies are emerging to address the long-term energy-storage improvements needed for mobile systems, electric vehicles in particular. Battery performance depends on the dynamics of evolving electronic and chemical states that, despite advances in material synthesis and structural probes, remain elusive and largely unexplored. Berkeley Lab researchers, working with colleagues from other institutions, used Advanced Light Source beamlines to study lithium-ion and lithium-air batteries using soft x-ray spectroscopy techniques. The detailed information they obtained about the evolution of electronic and chemical states will be indispensable for understanding and optimizing better battery materials. More>
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