Synthesis and electrochemical performance of Ni doped Na3V2(PO4)3/C cathode materials for sodium ion batteries

Bao, Zhenmin; Chen, Hezhang; Tong, Hengqing; Wang, Xu; Zheng, Junchao; Yu, Wanjing; Zhang, Jiafeng; Li, Jiangpeng; Zhang, Wei

doi:10.1016/j.jallcom.2017.09.020

Cited by 59 publications

(32 citation statements)

References 36 publications

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“…A possible activation of the V 4+/5+ redox couple at higher voltages may also contribute to the increasing of the energy density of NVP‐based materials, as demonstrated in a series of works by using a metal substitution of a part of V 3+ in the structure of NVP. In recent years, several elements have been chosen for the partial substitution of V into the crystal structure of this promising material (such as Ni, Al, Fe 3+ , Zr 4+ , Mn 3+ , Mn 2+ , Cr 3+ , Ti 4+ , Mo 6+ , and Mg 2+ ).…”

Section: Introductionmentioning

confidence: 99%

A NASICON‐Type Positive Electrode for Na Batteries with High Energy Density: Na₄MnV(PO₄)₃

et al. 2018

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Among them, Na 3 V 2 (PO 4 ) 3 (NVP) has been identified so far as the most interesting one as it possesses satisfactory energy density and high power for extended cycle life. Its crystal structure can be described as a 3D framework of VO 6 octahedra and PO 4 tetrahedra connected to each other by common corners forming so-called "lantern units" along the c direction of the commonly used hexagonal cell. Sodium cations were described as randomly disordered over two sodium sites (Na(1), 6b and Na(2), 18e) [18] until Chotard et al. discovered that below 280 K, the so called α-NVP form crystallized in a monoclinic superstructure due to a fully ordered distribution of Na +[19] similar to the ordering previously reported in α-Na 3 Ti 2 (PO 4 ) 3 . [51] The synthesis of Na 3 V 2 (PO 4 ) 3 was first reported by Delmas. [20] Gopalakrishnan [21] later on reported on the possible extraction of three Na + toward the novel sodium-free V IV V V (PO 4 ) 3 composition. Afterward, the electrochemical extraction of Na + from Na 3 V 2 (PO 4 ) 3 to NaV 2 (PO 4 ) 3 (with a theoretical capacity of 117.6 mAh g −1 at 3.4 V vs Na/Na) was extensively investigated. [22][23][24][25][26] A large number of special treatments (e.g., carbon coating, particle shape controlling) was also proposed to improve battery performances. [27][28][29][30][31] It is important to note that only 2Na formula unit −1 have been completely removed from the structure during charging up to now. A possible activation of the V 4+/5+ redox couple at higher voltages may also contribute to the increasing of the energy density of NVP-based materials, as demonstrated in a series of works by using a metal substitution of a part of V 3+ in the structure of NVP. In recent years, several elements have been chosen for the partial substitution of V into the crystal structure of this promising material (such as Ni, [32][33][34] Al, [35,36] Fe 3+ , [34,37] Zr 4+ , [38] Mn 3+ , [39] Mn 2+ , [34,40] Cr 3+ , [41][42][43] Ti 4+ , [44][45][46] Mo 6+ , [47] and Mg 2+[48] ).In this work, Mn 2+ was used as a substituting ion to enhance the capacity of the Na 3 V 2 (PO 4 ) 3 cathode material. Inspired by the recent work of Zhou et al., [34] nearly single-phase Na 4 MnV(PO 4 ) 3 (98.5 wt%) powders were synthesized and studied structurally and electrochemically in details. In operando X-ray diffraction (XRD) studies during electrochemical operation show for the first time that Na 4 MnV(PO 4 ) 3 can deliver 156 mAh g −1 toward the new composition NaMnV(PO 4 ) 3 . Results and DiscussionThe crystal structure of Na 4 MnV(PO 4 ) 3 has been fully determined using high-resolution synchrotron powder XRD (SXRD) dataThe mixed Mn 2+ /V 3+ Na-super-ionic-conductor (NASICON) cathode material Na 4 MnV(PO 4 ) 3 is prepared by solid-state reaction at 800 °C under argon. When used as a positive electrode in Na batteries, this material can exchange three electrons for two transition metals, that is, yielding a high gravimetric capacity of 156 mAh g −1 on charge when the upper cutoff voltage is set to 4.3 V...

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Section: Introductionmentioning

confidence: 99%

A NASICON‐Type Positive Electrode for Na Batteries with High Energy Density: Na₄MnV(PO₄)₃

et al. 2018

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“…It is necessary to develop low cost and high storage performance sodium ion batteries (SIBs) to satisfy the energy demand (Li et al, 2017a; Zhu et al, 2017; Chen et al, 2018a). Sodium is rich on the earth, and possesses similar physical and chemical properties as lithium (Qu et al, 2014; Jiang et al, 2015; Wang et al, 2015b; Zhang et al, 2015a, 2017a; Fang et al, 2016; Xu et al, 2016c; Leng et al, 2017). However, the commercial graphite material is not suitable for SIBs (Qu et al, 2014; Fang et al, 2016; Xu et al, 2016c; Zhang et al, 2016a).…”

Section: Introductionmentioning

confidence: 99%

In-situ Grown SnS2 Nanosheets on rGO as an Advanced Anode Material for Lithium and Sodium Ion Batteries

et al. 2018

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SnS2 nanosheets/reduced graphene oxide (rGO) composite was prepared by reflux condensation and hydrothermal methods. In this composite, SnS2 nanosheets in-situ grew on the surface of rGO nanosheets. The SnS2/rGO composite as anode material was investigated both in lithium ion battery (LIB) and sodium ion battery (SIB) systems. The capacity of SnS2/rGO electrode in LIB achieved 514 mAh g−1 at 1.2 A g−1 after 300 cycles. Moreover, the SnS2/rGO electrode in SIB delivered a discharge capacity of 645 mAh g−1 at 0.05 A g−1; after 100 cycles at 0.25 A g−1, the capacity retention still keep 81.2% relative to the capacity of the 6th cycle. Due to the introduction of rGO in the composite, the charge-transfer resistance became much smaller. Compared with SnS2/C electrode, SnS2/rGO electrode had higher discharge capacity and much better cycling performance.

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“…Various cathode materials, such as Na 0.44 MnO 2 (Sauvage et al, 2007), Na 4 Fe(CN) 6 (Qian et al, 2012), Na 2 CoP 2 O 7 (Barpanda et al, 2013), and NaFeF 3 (Yamada et al, 2011), had been investigated for SIBs to improve the cycle performance and rate capability (Fang et al, 2015; Wang J. et al, 2015; He et al, 2016; Zhang Y. et al, 2016; Zhang Z. et al, 2016). In the reported cathode materials, Na 3 V 2 (PO 4 ) 3 (NVP) is considered as one of the most promising cathode materials for SIBs (Zhang et al, 2017a; Chen et al, 2018). NVP has a NASICON framework and exhibits high energy density, high operating voltage and excellent thermal stability.…”

Section: Introductionmentioning

confidence: 99%

Reduced Graphene Oxide Decorated Na3V2(PO4)3 Microspheres as Cathode Material With Advanced Sodium Storage Performance

et al. 2018

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Reduced graphene oxide (rGO) sheet decorated Na3V2(PO4)3 (NVP) microspheres were successfully synthesized by spray-drying method. The NVP microspheres were embedded by rGO sheets, and the surface of the particles were coated by rGO sheets and amorphous carbon. Thus, the carbon conductive network consisted of rGO sheets and amorphous carbon generated in the cathode material. NVP microspheres decorated with different content of rGO (about 0, 4, 8, and 12 wt%) were investigated in this study. The electrochemical performance of NVP exhibited a significant enhancement after rGO introduction. The electrode containing about 8 wt% rGO (NVP/G8) showed the best rate and cycle performance. NVP/G8 electrode exhibited the discharge capacity of 64.0 mAh g−1 at 70°C, and achieved high capacity retention of 95.5% after cycling at 10°C for 100 cycles. The polarization of the electrode was inhibited by the introduction of rGO sheets. Meanwhile, compared with the pristine NVP electrode, NVP/G8 electrode exhibited small resistance and high diffusion coefficient of sodium ions.

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Synthesis and electrochemical performance of Ni doped Na3V2(PO4)3/C cathode materials for sodium ion batteries

Cited by 59 publications

References 36 publications

A NASICON‐Type Positive Electrode for Na Batteries with High Energy Density: Na₄MnV(PO₄)₃

A NASICON‐Type Positive Electrode for Na Batteries with High Energy Density: Na₄MnV(PO₄)₃

In-situ Grown SnS2 Nanosheets on rGO as an Advanced Anode Material for Lithium and Sodium Ion Batteries

Reduced Graphene Oxide Decorated Na3V2(PO4)3 Microspheres as Cathode Material With Advanced Sodium Storage Performance

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Synthesis and electrochemical performance of Ni doped Na3V2(PO4)3/C cathode materials for sodium ion batteries

Cited by 59 publications

References 36 publications

A NASICON‐Type Positive Electrode for Na Batteries with High Energy Density: Na4MnV(PO4)3

A NASICON‐Type Positive Electrode for Na Batteries with High Energy Density: Na4MnV(PO4)3

In-situ Grown SnS2 Nanosheets on rGO as an Advanced Anode Material for Lithium and Sodium Ion Batteries

Reduced Graphene Oxide Decorated Na3V2(PO4)3 Microspheres as Cathode Material With Advanced Sodium Storage Performance

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A NASICON‐Type Positive Electrode for Na Batteries with High Energy Density: Na₄MnV(PO₄)₃

A NASICON‐Type Positive Electrode for Na Batteries with High Energy Density: Na₄MnV(PO₄)₃