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Research from Peking University in Advanced Materials Boosts Prospects for Cobalt-Free LRMO Materials in Grid-Scale Energy Storage and EV Industries
3 day ago /
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Author：小编
A team led by Pan Feng at Peking University has uncovered that the sluggish kinetics of lithium-rich manganese-based oxide (LRMO) materials are primarily attributed to structural disarray and irreversible oxygen redox reactions, triggered by the migration of transition metals at high voltages. To tackle this challenge, the research group innovatively incorporated Na+/F− ions to fine-tune the surface lattice of these materials. This strategy effectively elevated the discharge voltage and ensured remarkable cycle stability in pouch cells, exhibiting an impressive capacity of roughly 150mAhg−1 at a high 5C rate.
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