2023
DOI: 10.26599/emd.2023.9370021
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Construction of metal–organic framework-derived Al-doped Na 3V 2(PO 4) 3 cathode materials for high-performance rechargeable Na-ion batteries

Yihan Zhao,
Xueqi Lai,
Pengfei Wang
et al.

Abstract: We synthesized a novel Al 3+ -doped Na 3 V 1.97 Al 0.03 (PO 4 ) 3 material through a high-temperature solid-phase method using MIL-53(Al) as the Al source. Al 3+ doping in the Na 3 V 2 (PO 4 ) 3 material optimized its crystal structure and enhanced its electronic conductivity and sodiumion diffusion coefficient, resulting in excellent rate performance and cycling stability of the Na 3 V 1.97 Al 0.03 (PO 4 ) 3 cathode.

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Cited by 5 publications
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“…The interfacial resistance of Na 3 V 2 (PO 4 ) 3 /LE/Na 3.3 Zr 1.7 La 0.3 Si 2 PO 12 /Na was much lower than that of Na 3 V 2 (PO 4 ) 3 /Na 3.3 Zr 1.7 La 0.3 Si 2 PO 12 /Na. However, Na 3 V 2 (PO 4 ) 3 /ionic liquid/Na 3.3 Zr 1.7 La 0.3 Si 2 PO 12 /Na exhibited interfacial resistance comparable to that of conventional liquid electrolytes. , …”
Section: Cathode–electrolyte Interfacementioning
confidence: 92%
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“…The interfacial resistance of Na 3 V 2 (PO 4 ) 3 /LE/Na 3.3 Zr 1.7 La 0.3 Si 2 PO 12 /Na was much lower than that of Na 3 V 2 (PO 4 ) 3 /Na 3.3 Zr 1.7 La 0.3 Si 2 PO 12 /Na. However, Na 3 V 2 (PO 4 ) 3 /ionic liquid/Na 3.3 Zr 1.7 La 0.3 Si 2 PO 12 /Na exhibited interfacial resistance comparable to that of conventional liquid electrolytes. , …”
Section: Cathode–electrolyte Interfacementioning
confidence: 92%
“…However, Na 3 V 2 (PO 4 ) 3 /ionic liquid/Na 3.3 Zr 1.7 La 0.3 Si 2 PO 12 /Na exhibited interfacial resistance comparable to that of conventional liquid electrolytes. 30,112 The inclusion of ionic liquid in the cathode materials will facilitate faster Na + transport via the space−charge layer and the electric field induced by the ionic liquid layer. The as-fabricated AS 3 B delivered initial charge and discharge capacities of 116 and 113 mA h g −1 , respectively, at a current of 0.2 C. The specific discharge capacities were 113, 112, 109, 106, 103, 97, 91, and 86 mA h g −1 at cycling rates of 0.2, 0.5, 1, 2, 4, 6, 8, and 10 C, respectively, as shown in Figure 10(j and k).…”
Section: ■ Cathode−electrolyte Interfacementioning
confidence: 99%
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