3D Mesoporous Ni(OH)<sub>2</sub>/WS<sub>2</sub> Nanofibers with Highly Enhanced Performances for Hybrid Supercapacitors

Jiang, Zhipeng; Xu, Tingting; Dai, Shuge; Yan, Congcong; Ma, Caiyun; Wang, Xinchang; Xu, Junmin; Zhang, Sen; Wang, Ye

doi:10.1002/ente.201800476

Cited by 22 publications

(11 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The crystal structure of the as-synthesized HTO and HTO@rGO was characterized by X-ray diffraction (XRD), as shown in Figure 2A. 61,62 The strong diffraction peak lo- (051) planes of orthorhombic structure of HTO (JCPDS card No. 47-0124), respectively.…”

Section: Resultsmentioning

confidence: 99%

“…The crystal structure of the as‐synthesized HTO and HTO@rGO was characterized by X‐ray diffraction (XRD), as shown in Figure 2A 61,62 . The strong diffraction peak located at 9.8°, 19.5°, 24.1°, 27.8°, 29.6°, 33.4°, and 39.0° are originated from (020), (040), (110), (130), (060), (031), and (051) planes of orthorhombic structure of HTO (JCPDS card No.…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Investigation the sodium storage kinetics of H_1.07Ti_1.73O₄@rGO composites for high rate and long cycle performance

Hou

Liu

et al. 2020

J. Am. Ceram. Soc.

Self Cite

View full text Add to dashboard Cite

Insertion type material has been attracted plenty of attentions as the anode of sodium ion batteries (SIBs) due to the low volume change induced long cycle stability. H 1.07 Ti 1.73 O 4 (HTO), a two-dimensional layered material, is a new insertion type anode material for SIBs reported in this study. Layered HTO composites were decorated with rGO nanosheets via an electrostatic assembly method followed by hydrothermal treatment. When adapted as the anode material of SIBs, HTO@rGO composite exhibits an enhanced sodium ion storage behavior, including high rate capability and long cycle stability. It can deliver high capacities of 142.8 and 66.7 mA h g −1 at 100 and 10 000 mA g −1 , respectively. Moreover, it can keep a capacity of 75.1 mA h g −1 at 5 A g −1 after even 5000 cycles, corresponding to a high capacity retention of 70.8% (0.0058% capacity decay per cycle). HTO exhibits a small volume expansion of 19.6% by in-situ transmission electron microscopy (in-situ TEM). The diffusion coefficient of sodium ions is increased from 1.77 × 10 −14 cm 2 s −1 in HTO composites to 4.80 × 10 −14 cm 2 s −1 in HTO@rGO composites. Our designed and synthesized HTO@rGO provides a new route for high rate and long cycle stable SIBs anode materials.

show abstract

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Investigation the sodium storage kinetics of H_1.07Ti_1.73O₄@rGO composites for high rate and long cycle performance

Hou

Liu

et al. 2020

J. Am. Ceram. Soc.

Self Cite

View full text Add to dashboard Cite

show abstract

“…Thus, the D peak indicates there are plenty of defects in the VG/CC nanostructures, which are the nucleation sites for lithium metal plating according to a previous study (Wang et al, 2017). Introduced defects in graphene reduce the lithium metal nucleation energy barrier (Tian et al, 2017; Jiang et al, 2019). In addition, a strong G peak and a high I G /I D (6.78) indicate that the graphene sheets have a high degree of graphitization with good electronic conductivity (Kong et al, 2019).…”

Section: Resultsmentioning

confidence: 99%

“…All the previous reports employed metal (Ni or Cu) as the scaffold to support the graphene. Compared with Ni or Cu foam, carbon scaffold has the merits of being lightweight, flexible, low-cost and renewable (Xu et al, 2017; Li et al, 2018b; Jiang et al, 2019). Carbon-based VG host is of great interest for flexible, low-cost and sustainable lithium metal batteries.…”

Section: Introductionmentioning

confidence: 99%

Dendrite-Free Li Metal Plating/Stripping Onto Three-Dimensional Vertical-Graphene@Carbon-Cloth Host

Yan

et al. 2019

Front. Chem.

Self Cite

View full text Add to dashboard Cite

Lithium metal is deemed as an ideal anode material for next-generation lithium ion batteries (LIBs) due to its high specific capacity and low redox potential. However, uncontrolled lithium dendrite formation during electrochemical deposition leads to a low Coulombic efficiency and serious safety issues, dragging metallic lithium anodes out of practical application. One promising strategy to suppress lithium dendrite issues is employing a three-dimensional host with admirable conductivity and large surface area. Herein, a vertical graphene nanosheet grown on carbon cloth (VG/CC) synthesized is adopted as the Li deposition host. The three-dimensional VG/CC with a large surface area can provide abundant active nucleation sites and effectively reduce the current density, leading to homogeneous Li deposition to overcome the dendrite issue. The Li@VG/CC anode exhibits a dendrite-free morphology after a long cycle and superior electrochemical performance to that of planar Cu current collector. It delivers a small voltage hysteresis of 90.9 mV at a high current density of 10 mA cm−2 and a Coulombic efficiency of 99% over 100 cycles at 2 mA cm−2. Our results indicate that this all-carbon-based nanostructure host has great potential for next-generation Li metal batteries.

show abstract

“…7a-h). Moreover, the hydrothermal/solvothermal reactions also enable the preparation of different WS 2 -based composites with carbon materials [111,112], TMDs [113,114], metal oxides [115][116][117] and hydroxides [118] through the liquid-phase routes (morphologies of the representative hybrids are shown in Fig. 7i-l).…”

Section: Liquid-phase Synthesismentioning

confidence: 99%

Tungsten disulfide: synthesis and applications in electrochemical energy storage and conversion

et al. 2020

View full text Add to dashboard Cite

Recently, two-dimensional transition metal dichalcogenides, particularly WS 2 , raised extensive interest due to its extraordinary physicochemical properties. With the merits of low costs and prominent properties such as high anisotropy and distinct crystal structure, WS 2 is regarded as a competent substitute in the construction of next-generation environmentally benign energy storage and conversion devices. In this review, we begin with the fundamental studies of the structure, properties and preparation of WS 2 , followed by detailed discussions on the development of various WS 2 and WS 2-based composites for electrochemical energy storage and conversion applications. In the end, some prospective prospects and promising developments of WS 2 in these fields are proposed.

show abstract

3D Mesoporous Ni(OH)₂/WS₂ Nanofibers with Highly Enhanced Performances for Hybrid Supercapacitors

Cited by 22 publications

References 46 publications

Investigation the sodium storage kinetics of H_1.07Ti_1.73O₄@rGO composites for high rate and long cycle performance

Investigation the sodium storage kinetics of H_1.07Ti_1.73O₄@rGO composites for high rate and long cycle performance

Dendrite-Free Li Metal Plating/Stripping Onto Three-Dimensional Vertical-Graphene@Carbon-Cloth Host

Tungsten disulfide: synthesis and applications in electrochemical energy storage and conversion

Contact Info

Product

Resources

About

3D Mesoporous Ni(OH)2/WS2 Nanofibers with Highly Enhanced Performances for Hybrid Supercapacitors

Cited by 22 publications

References 46 publications

Investigation the sodium storage kinetics of H1.07Ti1.73O4@rGO composites for high rate and long cycle performance

Investigation the sodium storage kinetics of H1.07Ti1.73O4@rGO composites for high rate and long cycle performance

Dendrite-Free Li Metal Plating/Stripping Onto Three-Dimensional Vertical-Graphene@Carbon-Cloth Host

Tungsten disulfide: synthesis and applications in electrochemical energy storage and conversion

Contact Info

Product

Resources

About

3D Mesoporous Ni(OH)₂/WS₂ Nanofibers with Highly Enhanced Performances for Hybrid Supercapacitors

Investigation the sodium storage kinetics of H_1.07Ti_1.73O₄@rGO composites for high rate and long cycle performance

Investigation the sodium storage kinetics of H_1.07Ti_1.73O₄@rGO composites for high rate and long cycle performance