Multivalent Cation Incorporated into Manganese-Iron Based NASICON Cathodes for High Voltage Sodium-Ion Batteries

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dc.contributor.authorZeng, Jingyao
dc.contributor.authorGao, Jinqiang
dc.contributor.authorJian, Weishun
dc.contributor.authorWang, Haoji
dc.contributor.authorLi, Wenyuan
dc.contributor.authorHong, Ningyun
dc.contributor.authorZhang, Baichao
dc.date.accessioned2026-04-04T13:37:45Z
dc.date.available2026-04-04T13:37:45Z
dc.date.issued2024
dc.departmentİnönü Üniversitesi
dc.description.abstractNa4Mn1.5Fe1.5(PO4)(2)P2O7 (NMFPP), with its low cost and high energy density, is essential for accelerating the commercialization of sodium-ion batteries. However, its practical application is limited by serious voltage hysteresis and detrimental Jahn-Teller distortions. Herein, a high operating voltage and superior stable Nb-doped NMFPP with fewer intrinsic anti-site defects are elaborately designed by the reconstruction of the crystal lattice and electronic distribution. By introducing higher charge density Nb & horbar;O bonds, the lengths of Mn-O bonds are shortened, enhancing lattice stability. As a result, the lattice volume contracted during Na+ extraction/insertion is decreased with niobium-modified Na-4(Mn0.5Fe0.5)(2.94)Nb-0.06(PO4)(2)P2O7, mitigating lattice distortion from the Jahn-Teller effect and increasing the capacity retention after 1000 cycles from 57.5% to 82.3%. More importantly, the delayed effect of Mn2+ involvement in redox reactions is significantly reduced, raising the average operating voltage from 3.32 to 3.64 V and increasing the overall energy density by 13%. This study opens new avenues to develop advanced sodium-ion battery cathode materials with high energy density and long calendar life for energy storage.
dc.description.sponsorshipNational Natural Science Foundation of China [52325405, 52261135632, U21A20284]; Science and Technology Foundation of Guizhou Province [QKHZC [2020] 2Y037]
dc.description.sponsorshipThe authors gratefully acknowledge the support from the National Natural Science Foundation of China (52325405, 52261135632, U21A20284), the Science and Technology Foundation of Guizhou Province (QKHZC [2020] 2Y037). Moreover, the authors thank the U19 station in the National Synchrotron Radiation Laboratory (NSRL) for SXAS measurements. The authors would like to thank the Shiyanjia Lab (www.shiyanjia.com) for the XPS and SEM testing.
dc.identifier.doi10.1002/adfm.202410992
dc.identifier.issn1616-301X
dc.identifier.issn1616-3028
dc.identifier.issue52
dc.identifier.orcid0000-0001-8201-4614
dc.identifier.scopus2-s2.0-85200728598
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1002/adfm.202410992
dc.identifier.urihttps://hdl.handle.net/11616/110022
dc.identifier.volume34
dc.identifier.wosWOS:001287516600001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley-V C H Verlag Gmbh
dc.relation.ispartofAdvanced Functional Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250329
dc.subjectJahn-Teller effect
dc.subjectmanganese-iron-base
dc.subjectNASICON cathode
dc.subjectvoltage hysteresis
dc.titleMultivalent Cation Incorporated into Manganese-Iron Based NASICON Cathodes for High Voltage Sodium-Ion Batteries
dc.typeArticle

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