Sodium vanadium oxides: From nanostructured design to high-performance energy storage materials

Dong, Yifan; Deng, Shuolei; Ma, Ziting; Yin, Ge; Li, Changgang; Yuan, Xunlong; Tan, Huiyun; Pan, Jing; Mai, Liqiang; Xia, F.

doi:10.1016/j.jmst.2021.12.017

Cited by 11 publications

(3 citation statements)

References 83 publications

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“…In monoclinic crystals, the (201) plane is often related to the glide symmetry operation, which is a type of symmetry operation that involves a translation along the plane. Understanding the symmetry properties of materials is important for predicting their physical properties and designing new materials with speci c functionality [28][29][30]. Hence, the importance of the planes in crystal systems for understanding the mechanical properties of materials is a well-established concept in materials science and metallurgy and it covered in many textbooks and research papers and few examples are discussed here [31,32].…”

Section: Brazil Planesmentioning

confidence: 99%

The perception of the Brazil plane (2 0 0) in M-type Cu1−xNaxO1 Nanocrystallite due to Na atom/ions doping derives Pyroelectricity application

Samaje,

Kambhala,

et al. 2023

Preprint

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The hydrothermal approach was carried out to make sodium doped (atom wt. % 0.05, 0.15, 0.25) copper II oxide Nanocrystallite. The one-dimensional twinning/Brazil (2 0 0) plane in the direction of {1 1 0} has been identified in CuO Nanocrystallite space group (C2/c). The visibility of sharp intense peak appears at 19.09o (2-Theta) in powder X-ray diffraction pattern. The Monoclinic crystal structure of CuO provides the same Wyckoff site to Na atom/ions and hence the Na atom achieved the solubility limits up to 0.05 to 0.15 atomic weight percentage. The mean crystalline size has been determined using Scherer’s formula and the size range is in between 22 to 25 nm. From EDX analysis the atomic percentage of Cu decreases as doping (Na) concentration rises has been confirm, and it reveals that the Cu atoms have partially provide its Wyckoff site to Na atom / ions counterparts as content up to the certain limit. According to the optical observations, increasing the Na doping level causes an expansion of the energy band gap. SEM images confirm the rice grain nanostructure of the material.

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Section: Brazil Planesmentioning

confidence: 99%

The perception of the Brazil plane (2 0 0) in M-type Cu1−xNaxO1 Nanocrystallite due to Na atom/ions doping derives Pyroelectricity application

Samaje,

Kambhala,

et al. 2023

Preprint

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“…Several strategies exist to overcome these drawbacks. These include nanostructuring [ 22 ], addition of conducting polymers [ 20 , 23 ] or carbons [ 24 , 25 ] as components or coatings, and inclusion of different metal ions into the crystal structure of the material via pre-intercalation [ 25 , 26 ] or manufacturing of pillared structures, i.e., the solids with the interlayer distance permanently expanded by inserting a strongly bound guest ion or molecule [ 9 , 27 , 28 , 29 ].…”

Section: Introductionmentioning

confidence: 99%

Vanadium Oxide-Poly(3,4-ethylenedioxythiophene) Nanocomposite as High-Performance Cathode for Aqueous Zn-Ion Batteries: The Structural and Electrochemical Characterization

et al. 2022

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In this work the nanocomposite of vanadium oxide with conducting polymer poly(3,4-ethylenedioxythiophene) (VO@PEDOT) was obtained by microwave-assisted hydrothermal synthesis. The detailed study of its structural and electrochemical properties as cathode of aqueous zinc-ion battery was performed by scanning electron microscopy, energy dispersive X-ray analysis, X-ray diffraction analysis, X-ray photoelectron spectroscopy, thermogravimetric analysis, cyclic voltammetry, galvanostatic charge–discharge, and electrochemical impedance spectroscopy. The initial VO@PEDOT composite has layered nanosheets structure with thickness of about 30–80 nm, which are assembled into wavy agglomerated thicker layers of up to 0.3–0.6 μm. The phase composition of the samples was determined by XRD analysis which confirmed lamellar structure of vanadium oxide V10O24∙12H2O with interlayer distance of about 13.6 Å. The VO@PEDOT composite demonstrates excellent electrochemical performance, reaching specific capacities of up to 390 mA∙h∙g−1 at 0.3 A∙g−1. Moreover, the electrodes retain specific capacity of 100 mA∙h∙g−1 at a high current density of 20 A∙g−1. The phase transformations of VO@PEDOT electrodes during the cycling were studied at different degrees of charge/discharge by using ex situ XRD measurements. The results of ex situ XRD allow us to conclude that the reversible zinc ion intercalation occurs in stable zinc pyrovanadate structures formed during discharge.

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“…Sodium (Na)-ion batteries (SIBs) have been considered as one promising next-generation battery system for large-scale energy storage and grid energy storage, which are ushered in rapid development owing to the low cost and comparable electrochemical properties compared to lithium-ion batteries (LIBs). − The cathode materials for SIBs mainly include polyanionic materials, organic compounds, Prussian blue analogues (PBAs), and layered transition-metal (TM) oxides. − Among them, layered transition-metal oxides Na x TMO 2 (0 < x ≤ 1) are considered as the most promising cathode materials due to their high specific capacity, intercalation mechanism, and facile synthesis. Na x TMO 2 are mainly classified into P-type (0.3 < x ≤ 0.7) and O-type (0.7 < x ≤ 1), in which Na ions occupy trigonal prismatic (P) and octahedral (O) sites, respectively. , P2-type materials offer spacious Na + diffusion channels, lower migration barriers, and fast ion diffusion kinetics, which endow them with better electrochemical properties compared to O3-type materials. − The typical P2–Na 2/3 Ni 1/3 Mn 2/3 O 2 cathode gains significant attraction due to the high capacity and competitive material cost advantages.…”

mentioning

confidence: 99%

Synergetic Modulation of Interlayer–Intralayer Spacings for P2-Type Layered Oxide Cathode with Superior Rate Performance

Yin,

Yang,

Zhao

et al. 2024

ACS Energy Lett.

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P2-type layered transition-metal oxides have garnered considerable attention as cathode materials for sodium-ion batteries (SIBs); however, they suffer from limited capacity and structural instability during (de)sodiation processes, posing significant challenges for practical applications. Here, we address these issues by synergistically tuning the transition-metal (TM) interlayer and intralayer distances through the substitution of Na with K, achieving a stable structure denoted as Na 0.62 K 0.05 Ni 0.33 Mn 0.67 O 2 (NKNMO). The K pillars induce the expansion of the TM interlayer and the contraction of the TM intralayer, which facilitates the transport of sodium ions and stabilizes the structure. Theoretical calculation and electrochemical measurements demonstrate that this P2-type cathode shows superior rate capability and enhanced anion redox activity. Specifically, the NKNMO demonstrates alleviated detrimental phase transitions and significantly reduced lattice strains during cycling at various rates, as directly revealed via advanced high-time resolution two-dimensional X-ray diffraction. The stable Na-storage lattice structure can prevent the layered structure from collapsing especially for high current density charging, leading to exceptional cycling stability with an outstanding capacity retention of 95.99% after 500 cycles at 3C. This work offers a fundamental understanding of material structure and provides important clues for developing structurestabilized, high-performance cathode materials for SIBs.

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Sodium vanadium oxides: From nanostructured design to high-performance energy storage materials

Cited by 11 publications

References 83 publications

The perception of the Brazil plane (2 0 0) in M-type Cu1−xNaxO1 Nanocrystallite due to Na atom/ions doping derives Pyroelectricity application

The perception of the Brazil plane (2 0 0) in M-type Cu1−xNaxO1 Nanocrystallite due to Na atom/ions doping derives Pyroelectricity application

Vanadium Oxide-Poly(3,4-ethylenedioxythiophene) Nanocomposite as High-Performance Cathode for Aqueous Zn-Ion Batteries: The Structural and Electrochemical Characterization

Synergetic Modulation of Interlayer–Intralayer Spacings for P2-Type Layered Oxide Cathode with Superior Rate Performance

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