Advanced characterizations and measurements for sodium-ion …
2022年1月1日 · X-ray diffraction (XRD) is a well-established tool for identifying the crystal structure and phase evolution of electrodes during charge/discharge cycling. Diffraction …
磷酸钒钠Na3V2(PO4)3电化学储能研究进展 - 物理化学学报
Masquelier等 45 通过DSC曲线发现在介于α-NVP (C2c)和γ-NVP (R 3 c)相之间，存在两类过渡相，分别为β-NVP (30 -10 ℃)和β ′-NVP (125 -170 ℃)。 NVP相变位于 β -NVP和 β ′-NVP之间 …
XRD patterns of NVP/C and NVP PDF standard card
Among reported cathode candidates, Na3V2 (PO4)3 (NVP), a representative electrode material for sodium super ion conductor, has good application prospects due to its good structural …
Highly stable and nanoporous Na3V2(PO4)3@C cathode
2023年12月25日 · Nanostructured Na 3 V 2 (PO 4) 3 @C exhibited capacity i.e. of 99 mAhg −1 at 1C. NVP demonstrated ultralong cycle life of 1400 cycles at 10C (73 mAhg −1) with 94 % …
(a) XRD pattern of the NVP@C prepared by the pyrosynthesis …
Figure5 shows in situ synchro- tron XRD patterns of the NVP@C electrode during charging and discharging. From the in situ synchrotron XRD results, the structuralt ransformation of …
Insights into the charge storage mechanism of Na3V2(PO4)3
2023年5月12日 · These XRD patterns reveal that the NVP material undergoes a two-phase reaction from Na 3 V 2 (PO 4) 3 (black dashed line) to Na 1 V 2 (PO 4) 3 (grey dashed line) …
High-performance Na3V2(PO4)3/C cathode for efficient low
2025年3月7日 · XRD analysis of lithiated NVP was conducted to investigate the success of the ion-exchange process and formation of r-LVP inside the coin cell. The cells were dismantled in …
A promising Na - RSC Publishing
2013年10月31日 · High-energy batteries need significant cathodes which can simultaneously provide large specific capacities and high discharge plateaus. NASICON-structured Na 3 V 2 …
Rietveld refinement of XRD patterns of (a) NVP and (d
Crystal structures and 3D Li⁺/Na⁺ ion diffusion pathway of (b,c) NVP (R3‾ c) and (e,f) NVOPF (I4/mmm) phases with a geometry of VO6 octahedron (x=1, V³⁺, t2g²eg⁰) and VO5F …
Novel Rechargeable M3V2(PO4)3//Zinc (M = Li, Na) Hybrid
2016年5月12日 · The electrochemical assisted ex-XRD confirm that Li 3 V 2 (PO 4) 3 and Na 3 V 2 (PO 4) 3 are relative stable in aqueous electrolyte and Na 3 V 2 (PO 4) 3 showed more …
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