Researchers from the Institute of Solid State Physics at the Hefei Institutes of Physical Science, Chinese Academy of Sciences, together with the Shenzhen International Graduate School of Tsinghua University and Suzhou University of Technology, have successfully developed a natural electron donor–assisted healing and targeted surface reconstruction strategy that enables the direct regeneration of degraded lithium iron phosphate (LiFePO₄) cathode materials from retired power batteries.
Tea compounds breathe new life into dead lithium battery cathodes
