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 % …
<i>N-</i>乙烯基-2-吡咯烷酮的振动特性和化学反应的拉曼光谱高 …
在高达28.5 gpa的高压下，通过拉曼测量研究了n-乙烯基-2-吡咯烷酮（nvp）的振动特性和化学稳定性。 当压力超过0.4 GPa时，NVP结晶，体积急剧下降，样品周围的压力降至0.1 GPa。
High-performance Na3V2(PO4)3/C cathode for efficient low
2025年3月7日 · The Raman spectrum of the NVP/C is shown in Fig. 2d. Two Raman peaks at 1335 and 1586.5 cm −1 , are attributed to disordered carbon electronic configuration (D band) …
Achieving high mass loading of Na3V2(PO4)3@carbon on carbon …
2018年3月1日 · Here, we report a facile strategy to achieve high mass loading of Na 3 V 2 (PO 4) 3 @carbon (NVP@C) supported on carbon cloth (NVP@C-CC) by a two-step coating followed …
Graphene aerogel-supported Na3V2(PO4)3/C cathodes for …
2023年11月1日 · Na 3 V 2 (PO 4) 3 (NVP) is a preferred cathode material for Na-ion batteries due to its good thermal stability and long cycle life, but its low electrical conductivity limits its use. …
The Journal of Physical Chemistry C - ACS Publications
2024年11月6日 · In this report, we present the synthesis of NVP/C (Na 3 V 2 (PO 4) 3 /Carbon composite) via the sol–gel method and investigate its electrochemical behavior in both the …
Insights into the charge storage mechanism of Na3V2(PO4)3
2023年5月12日 · Na 3 V 2 (PO 4) 3 (NVP) as a sodium super-ionic conductor (NASICON)-type polyanion material is impressive to possess excellent thermal stability below 450°C, which …
Raman spectrum (a) and TG curve (b) of the NVP/C sample.
Carbon coated Na3V2 (PO4)3 (NVP/C) is successfully synthesized by sol-gel method and examined as the anode material for sodium-ion batteries (SIB) by means of...
(a) Raman spectroscopy and (b,c) IG/ID ratios of NVP and NVOPF …
By reasonably modulating the ratio of water and ethanol in the solution, the as-synthesized NVP/C sample exhibited a three-dimensional interconnected structure with hierarchical …
Tailoring of High-Valent Sn-Doped Porous Na3V2(PO4)3/C ...
2024年5月28日 · XRD, Raman, XPS, and electron microscopy data confirmed the high purity of the synthesized cathode. The optimized Sn(0.07)-NVP/C exhibited excellent electrochemical …