Orbital modulation enables high-performance NASICON cathode for sodium-ion batteries
Peer-Reviewed Publication
Updates every hour. Last Updated: 2-Apr-2026 16:15 ET (2-Apr-2026 20:15 GMT/UTC)
A research team from Huazhong University of Science and Technology has developed a novel orbital modulation strategy to suppress anti-site defects in NASICON-type Na3MnTi(PO4)3 cathode for sodium-ion batteries. By Li doping to construct Li–O–Mn configuration, the strategy effectively enhances Mn–O covalent interaction and elevates Mn defect formation energy, thus eliminating voltage hysteresis caused by anti-site defects. The optimized Na2.97Li0.03MnTi(PO4)3 cathode achieves ultra-long cycling stability, excellent rate performance and wide-temperature adaptability, and the assembled pouch-type full cell further verifies its practical application potential. This study provides a new electronic structure regulation approach for the design of high-performance sodium-ion battery cathodes, paving the way for the development of low-cost and sustainable energy storage technologies.
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