Large-Area, Uniform, Aligned Arrays of Na3 (VO)2 (PO4 )2 F on Carbon Nanofiber for Quasi-Solid-State Sodium-Ion Hybrid Capacitors.
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DOI: 10.1002/smll.201902466
Abstract: Sodium-vanadium fluorophosphate (Na3 V2 O2 x (PO4 )2 F3-2 x , NVPF, 0 ≤ x ≤ 1) is considered to be a promising Na-storage cathode material due to its high operation potentials (3.6-4 V) and… read more here.
Keywords: sodium; ion; area uniform; large area ... See more keywords
Synergistic Effect, Structural and Morphology Evolution, and Doping Mechanism of Spherical Br-Doped Na3 V2 (PO4 )2 F3 /C toward Enhanced Sodium Storage.
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DOI: 10.1002/smll.202201719
Abstract: Na3 V2 (PO4 )2 F3 has attracted wide attention due to its high voltage platform, and stable crystal structure. However, its application is limited by the low electronic conductivity and the ease formation of impurity.… read more here.
Keywords: structure; effect; na3 po4; po4 ... See more keywords
Monitoring the Crystal Structure and the Electrochemical Properties of Na3(VO)2(PO4)2F through Fe3+-Substitution.
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DOI: 10.1021/acsami.9b14249
Abstract: We here present the synthesis of a new material, Na3(VO)Fe(PO4)2F2, by sol-gel method. Its atomic and electronic structural description are determined by a combination of several diffraction and spectroscopy techniques, such as: synchrotron X-ray powder… read more here.
Keywords: crystal structure; synchrotron ray; spectroscopy; fe3 ... See more keywords