Additive-free synthesis of 3D porous V2O5 hierarchical microspheres with enhanced lithium storage properties

Zhang, Chao-Feng; Chen, Zhuo; Guo, Zaiping; Lou, Xiong Wen David

doi:10.1039/c3ee24134c

Cited by 222 publications

(154 citation statements)

References 36 publications

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“…89-0612). 7 The characteristic diffraction peak of CNTs cannot be clearly observed in the XRD pattern of CNTs@V 2 O 5 , which can be attributed to the following factors: The morphology and framework of V 2 O 5 -mf and CNTs@ V 2 O 5 were then characterized by field-emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM). As shown in Figure 2b, the as-prepared precursor has the appearance of a "thorn bush", which is composed of one dimensional "spiny branches" 200−400 nm in diameter, larger than the diameter of the CNTs (shown in Figure S2b, Supporting Information).…”

Section: Resultsmentioning

confidence: 99%

Facile Synthesis of Hierarchical Networks Composed of Highly Interconnected V₂O₅ Nanosheets Assembled on Carbon Nanotubes and Their Superior Lithium Storage Properties

Zhang

Meng

et al. 2013

ACS Appl. Mater. Interfaces

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Guo, Z. (2013). Facile synthesis of hierarchical networks composed of highly interconnected V2O5 nanosheets assembled on carbon nanotubes and their superior lithium storage properties. ACS Applied Materials and Interfaces, 5 (23), 12394-12399. Facile synthesis of hierarchical networks composed of highly interconnected V2O5 nanosheets assembled on carbon nanotubes and their superior lithium storage properties AbstractHierarchical networks with highly interconnected V2O5 nanosheets (NSs) anchored on skeletons of carbon nanotubes (CNTs) are prepared by a facile hydrothermal treatment and a following calcination for the first time. Benefiting from these unique structural features, the as-prepared CNT@V2O5 material shows dramatically excellent electrochemical performance with remarkable long cyclability (137-116 mA h g-1 after 400 cycles) at various high rates (20 C to 30 C) and very good rate capability for highly reversible lithium storage. The excellent electrochemical performance suggests its promising use as a cathode material for future lithium-ion batteries. Benefiting from these unique structural features, the asprepared CNT@V 2 O 5 material shows dramatically excellent electrochemical performance with remarkable long cyclability (137−116 mA h g −1 after 400 cycles) at various high rates (20 C to 30 C) and very good rate capability for highly reversible lithium storage. The excellent electrochemical performance suggests its promising use as a cathode material for future lithium-ion batteries.

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Section: Resultsmentioning

confidence: 99%

Facile Synthesis of Hierarchical Networks Composed of Highly Interconnected V₂O₅ Nanosheets Assembled on Carbon Nanotubes and Their Superior Lithium Storage Properties

Zhang

Meng

et al. 2013

ACS Appl. Mater. Interfaces

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“…[29][30][31] For instance, Pan et al into 1D CNTs, [32][33][34][35] 2D graphenes, [36][37][38] etc. In this regard, Rui et al 39 hybridized reduced graphene oxide (rGO) with highly porous V 2 O 5 spheres (denoted as V 2 O 5 /rGO) using a simple solvothermal method, as shown in Fig.…”

Section: O 5 Nanostructures For Libsmentioning

confidence: 99%

Vanadium-based nanostructure materials for secondary lithium battery applications

et al. 2015

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Vanadium-based materials, such as V2O5, LiV3O8, VO2(B) and Li3V2(PO4)3 are compounds that share the characteristic of intercalation chemistry. Their layered or open frameworks allow facile ion movement through the interspaces, making them promising cathodes for LIB applications. To bypass bottlenecks occurring in the electrochemical performances of vanadium-based cathodes that derive from their intrinsic low electrical conductivity and ion diffusion coefficients, nano-engineering strategies have been implemented to "create" newly emerging properties that are unattainable at the bulk solid level. Integrating this concept into vanadiumbased cathodes represents a promising way to circumvent the aforementioned problems as nanostructuring offers potential improvements in electrochemical performances by providing shorter mass transport distances, higher electrode/electrolyte contact interfaces, and better accommodation of strain upon lithium uptake/ release. The significance of nanoscopic architectures has been exemplified in the literature, showing that the idea of developing vanadium-based nanostructures is an exciting prospect to be explored. In this review, we will be casting light on the recent advances in the synthesis of nanostructured vanadium-based cathodes. Furthermore, efficient strategies such as hybridization with foreign matrices and elemental doping are introduced as a possible way to boost their electrochemical performances (e.g., rate capability, cycling stability) to a higher level. Finally, some suggestions relating to the perspectives for the future developments of vanadium-based cathodes are made to provide insight into their commercialization. through the interspaces, making them promising cathodes for LIB applications. To bypass bottlenecks occurring in the electrochemical performances of vanadium-based cathodes that derive from their intrinsic low electrical conductivity and ion diffusion coefficients, nano-engineering strategies have been implemented to "create" newly emerging properties that are unattainable at the bulk solid level. Integrating this concept into vanadium-based cathodes represents a promising way to circumvent the aforementioned problems as nanostructuring offers potential improvements in electrochemical performances by providing shorter mass transport distances, higher electrode/electrolyte contact interfaces, and better accommodation of strain upon lithium uptake/release. The significance of nanoscopic architectures has been exemplified in the literature, showing that the idea of developing vanadium-based nanostructures is an exciting prospect to be explored. In this review, we will be casting light on the recent advances in the synthesis of nanostructured vanadium-based cathodes. Furthermore, efficient strategies such as hybridization with foreign matrices and elemental doping are introduced as a possible way to boost their electrochemical performances (e.g., rate capability, cycling stability) to a higher level. Finally, some suggestions relating to the perspective...

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“…Recently, nanomaterials are effective to improve their electrochemical performance because of the kinetic enhancement for Li + ions diffusion and electron transportation [7][8][9][10][11][12][13][14][15]. To date, various V 2 O 5 nanostructures, such as nanofibers [16,17], nanowires [18] and hierarchical microspheres [19][20][21][22] have been reported with improved electrochemical properties.…”

Section: Introductionmentioning

confidence: 99%

Novel synthesis of V2O5 hollow microspheres for lithium ion batteries

et al. 2016

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In this work, hollow structured V2O5 microspheres were fabricated from solid vanadium precursor microspheres which were prepared by microwave-assisted, solvothermal approach. In the annealing process, the spherical precursor microspheres can be converted into hollow microspheres, serving as a sacrificial template. The synthesis approach is quite different from the previously reported approaches for the preparation of hollow structured V2O5 microspheres. As cathode materials for lithium ion batteries, the hollow-structured V2O5 microspheres exhibit high capacity and good rate capability. The electrodes deliver specific discharge capacities of 132 and 113 mA h g −1 at the current densities of 1 C and 8 C, respectively.

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Additive-free synthesis of 3D porous V2O5 hierarchical microspheres with enhanced lithium storage properties

Cited by 222 publications

References 36 publications

Facile Synthesis of Hierarchical Networks Composed of Highly Interconnected V₂O₅ Nanosheets Assembled on Carbon Nanotubes and Their Superior Lithium Storage Properties

Facile Synthesis of Hierarchical Networks Composed of Highly Interconnected V₂O₅ Nanosheets Assembled on Carbon Nanotubes and Their Superior Lithium Storage Properties

Vanadium-based nanostructure materials for secondary lithium battery applications

Novel synthesis of V2O5 hollow microspheres for lithium ion batteries

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Additive-free synthesis of 3D porous V2O5 hierarchical microspheres with enhanced lithium storage properties

Cited by 222 publications

References 36 publications

Facile Synthesis of Hierarchical Networks Composed of Highly Interconnected V2O5 Nanosheets Assembled on Carbon Nanotubes and Their Superior Lithium Storage Properties

Facile Synthesis of Hierarchical Networks Composed of Highly Interconnected V2O5 Nanosheets Assembled on Carbon Nanotubes and Their Superior Lithium Storage Properties

Vanadium-based nanostructure materials for secondary lithium battery applications

Novel synthesis of V2O5 hollow microspheres for lithium ion batteries

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Facile Synthesis of Hierarchical Networks Composed of Highly Interconnected V₂O₅ Nanosheets Assembled on Carbon Nanotubes and Their Superior Lithium Storage Properties

Facile Synthesis of Hierarchical Networks Composed of Highly Interconnected V₂O₅ Nanosheets Assembled on Carbon Nanotubes and Their Superior Lithium Storage Properties