Structural characteristic of vanadium(V) oxide/sulfur composite cathode for magnesium battery applications

AbstractMagnesium batteries are regarded as promising candidates for energy storage devices owing to their high volumetric capacity. The practical application is hindered, however, by strong electrostatic interactions between Mg2+ and the host lattice and due to the formation of a passivation layer between anode and electrolyte. V2O5 is a typical intercalation compound with a layered crystal structure ((0 0 1) interlayer spacing ~ 11.53 Å), which can act as a good host for the reversible insertion and extraction of multivalent cations. Herein, we have presented an investigation of the effects of S injection on the structure, electrochemical performance and Mg2+ diffusion in V2O5 cathode materials for Mg-ion batteries. The V2O5/S composite structure was investigated using X-ray diffraction, field-emission scanning electron microscope and energy dispersive X-ray spectroscopy. The integrated electrode exhibits an improvement in the electrical and electrochemical properties compared to the V2O5 electrode. The as-prepared V2O5/S composite has an initial discharge capacity of 310 mAh g−1 compared to 160 mAh g−1 for the V2O5 electrode. The V2O5/S composite is a promising cathode material for magnesium-ion battery applications.

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Performance of B-Doped SrTiO3/ Ni Sheet for Supercapacitor Material Application

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.851.25 ◽

2020 ◽

Vol 851 ◽

pp. 25-31

Author(s):

Markus Diantoro ◽

Ahmad Al Ittikhad ◽

Thathit Suprayogi ◽

Nasikhudin ◽

Joko Utomo

Keyword(s):

Electrode Materials ◽

Solid State Reaction Method ◽

Raw Material ◽

Molar Ratio ◽

Sintering Process ◽

X Ray Diffraction ◽

Energy Storage Devices ◽

Xrd Pattern ◽

X Ray ◽

Storage Devices

The development of energy storage devices encourages the sustainability of research on basic materials of supercapacitor technology. SrTiO3 is one of metal oxide called as titanate alkali metal ATiO3 (A = Ba, Sr, Ca). This material shows an excellent dielectric constant, thus expected to be potential as raw material of supercapacitor. In this work, boron was used as a dopant on the SrTiO3 system to modify its local structure and enhance the electrical properties. Synthesis SrTi1-xBxO3 was carried out using a solid-state reaction method followed by the sintering process in various molar ratio. The microstructure of SrTi1-xBxO3 compound was identified by X-ray Diffraction with Cu-Kα. XRD pattern identified the presence of SrTi1-xBxO3 phase with a slight change in the lattice parameters. I-V measurement confirmed that the electrical conductivity increased gradually up to 16.04 Ω-1cm-1. For investigating their application for electrode materials, CV was employed and it presents that the specific capacitance and energy density of x = 0.08 were 5.488 Fg-1 and 0.110 Jg-1.

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MXene/Ag2CrO4 Nanocomposite as Supercapacitors Electrode

Materials ◽

10.3390/ma14206008 ◽

2021 ◽

Vol 14 (20) ◽

pp. 6008

Author(s):

Tahira Yaqoob ◽

Malika Rani ◽

Arshad Mahmood ◽

Rubia Shafique ◽

Safia Khan ◽

...

Keyword(s):

Electrochemical Impedance ◽

Low Cost ◽

Sol Gel ◽

X Ray Diffraction ◽

Energy Storage Devices ◽

X Ray ◽

Storage Devices ◽

Bonding Structure ◽

Electron Transfer Rate Constant ◽

Co Precipitation

MXene/Ag2CrO4 nanocomposite was synthesized effectively by means of superficial low-cost co-precipitation technique in order to inspect its capacitive storage potential for supercapacitors. MXene was etched from MAX powder and Ag2CrO4 spinel was synthesized by an easy sol-gel scheme. X-Ray diffraction (XRD) revealed an addition in inter-planar spacing from 4.7 Å to 6.2 Å while Ag2CrO4 nanoparticles diffused in form of clusters over MXene layers that had been explored by scanning electron microscopy (SEM). Energy dispersive X-Ray (EDX) demonstrated the elemental analysis. Raman spectroscopy opens the gap between bonding structure of as-synthesized nanocomposite. From photoluminence (PL) spectra the energy band gap value 3.86 eV was estimated. Electrode properties were characterized by applying electrochemical observations such as cyclic voltammetry along with electrochemical impedance spectroscopy (EIS) for understanding redox mechanism and electron transfer rate constant Kapp. Additionally, this novel work will be an assessment to analyze the capacitive behavior of electrode in different electrolytes such as in acidic of 0.1 M H2SO4 has specific capacitance Csp = 525 F/g at 10 mVs−1 and much low value in basic of 1 M KOH electrolyte. This paper reflects the novel synthesis and applications of MXene/Ag2CrO4 nanocomposite electrode fabrication in energy storage devices such as supercapacitors.

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Impact of Sn ions on structural and electrical description of TiO2 nanoparticles

Zeitschrift für Naturforschung A ◽

10.1515/zna-2021-0061 ◽

2021 ◽

Vol 0 (0) ◽

Author(s):

Mutaz Salih ◽

M. Khairy ◽

Babiker Abdulkhair ◽

M. G. Ghoniem ◽

Nagwa Ibrahim ◽

...

Keyword(s):

Electron Microscopy ◽

Simple Procedure ◽

High Energy ◽

X Rays ◽

X Ray Diffraction ◽

Energy Storage Devices ◽

X Ray ◽

Storage Devices ◽

Transmission Electron ◽

High Energy Storage

Abstract In this paper, Sn-doped TiO2 nanomaterials with varying concentrations were manufactured through a simple procedure. The fabricated TiO2 and Sn loaded on TiO2 nanoparticles were studied using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, energy dispersive X-rays, Fourier transform infrared spectroscopy, and resistance analyses. The benefits of dielectric constant and ac conductivity rise at high Sn loaded concentration on TiO2 nanoparticles. The enhanced electrical conductivity is seen for STO3 (3.5% Sn doped TiO2) and STO4 (5% Sn doped TiO2) specimens are apparently associated with the introduced high defect TiO2 lattice. Furthermore, the fabricated specimens’ obtained findings may be applied as possible candidates for high-energy storage devices. Moreover, proper for the manufacture of materials working at a higher frequency.

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Nanostructured manganese oxides and their composites with carbon nanotubes as electrode materials for energy storage devices

Pure and Applied Chemistry ◽

10.1351/pac200880112327 ◽

2008 ◽

Vol 80 (11) ◽

pp. 2327-2343 ◽

Cited By ~ 26

Author(s):

V. Subramanian ◽

Hongwei Zhu ◽

Bingqing Wei

Keyword(s):

Electron Microscopy ◽

Carbon Nanotubes ◽

Photoelectron Spectroscopy ◽

Manganese Oxides ◽

Electrode Materials ◽

Electrochemical Impedance ◽

Analytical Techniques ◽

Energy Storage Devices ◽

X Ray ◽

Storage Devices

Manganese oxides have been synthesized by a variety of techniques in different nanostructures and studied for their properties as electrode materials in two different storage applications, supercapacitors (SCs) and Li-ion batteries. The composites involving carbon nanotubes (CNTs) and manganese oxides were also prepared by a simple room-temperature method and evaluated as electrode materials in the above applications. The synthesis of nanostructured manganese oxides was carried out by simple soft chemical methods without any structure directing agents or surfactants. The prepared materials were well characterized using different analytical techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), surface area studies, etc. The electrochemical properties of the nanostructured manganese oxides and their composites were studied using cyclic voltammetry (CV), galvanostatic charge-discharge, and electrochemical impedance spectroscopic (EIS) studies. The influence of structural/surface properties on the electrochemical performance of the synthesized manganese oxides is reviewed.

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Morphology and Structure of Electrodeposited Prussian Blue and Prussian White Thin Films

Materials ◽

10.3390/ma12071103 ◽

2019 ◽

Vol 12 (7) ◽

pp. 1103 ◽

Cited By ~ 2

Author(s):

Bruna Baggio ◽

Cristiano Vicente ◽

Silvia Pelegrini ◽

Cristiani Plá Cid ◽

Iuri Brandt ◽

...

Keyword(s):

Prussian Blue ◽

Strong Dependence ◽

Reduced Form ◽

X Ray Diffraction ◽

Energy Storage Devices ◽

X Ray ◽

Storage Devices ◽

Fundamental Research ◽

Blue Phases ◽

Transition Voltage

The compound Prussian Blue (PB), and its reduced form Prussian White (PW) are nowadays considered, in applied and fundamental research groups, as potential materials for sustainable energy storage devices. In this work, these compounds were prepared by potentiostatic electrochemical synthesis, by using different deposition voltages and thicknesses. Thick, compact and uniform layers were characterized by scanning electron microscopy, X-ray diffraction, and Raman spectroscopy. Results have shown a well-defined transition voltage for growing Prussian Blue phases and a strong dependence of the morphology/growing orientation of the samples as a function of applied potential and thickness. For the negative potential tested of −0.10 V vs. SCE, a mixture of cubic and rhombohedral phases was observed.

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A high-capacity aqueous Zn-ion hybrid energy storage device using poly(4,4′-thiodiphenol)-modified activated carbon as a cathode material

Journal of Materials Chemistry A ◽

10.1039/c9ta08693e ◽

2019 ◽

Vol 7 (40) ◽

pp. 23076-23083 ◽

Cited By ~ 8

Author(s):

Tuo Xin ◽

Yinong Wang ◽

Na Wang ◽

Yi Zhao ◽

Huan Li ◽

...

Keyword(s):

Energy Storage ◽

High Capacity ◽

Composite Cathode ◽

Carbon Composite ◽

Storage Device ◽

Energy Storage Devices ◽

Modified Activated Carbon ◽

Storage Devices ◽

Hybrid Energy ◽

Hybrid Energy Storage

A poly(4,4′-thiodiphenol)/carbon composite cathode is used to fabricate Zn-ion hybrid energy storage devices with a high capacity and wide voltage window.

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Critical factors affecting the 3D microstructural formation in hybrid conductive adhesive materials studied by X-ray nano-tomography

Nanoscale ◽

10.1039/c4nr06068g ◽

2015 ◽

Vol 7 (3) ◽

pp. 908-913 ◽

Cited By ~ 5

Author(s):

Yu-chen Karen Chen-Wiegart ◽

Miriam Aileen Figueroa-Santos ◽

Stanislas Petrash ◽

Jose Garcia-Miralles ◽

Jun Wang

Keyword(s):

Lead Free Solder ◽

Critical Factors ◽

Energy Storage Devices ◽

Conductive Adhesives ◽

Factors Affecting ◽

X Ray ◽

Storage Devices ◽

Wide Range ◽

Free Solder ◽

Adhesive Materials

X-ray nano-tomography reveals 3D characters in hybrid conductive adhesives, which are favorable in a wide range of applications, including a lead-free solder in micro-chips, and in electronics and energy storage devices.

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Effect of Time on a Hierarchical Corn Skeleton-Like Composite of CoO@ZnO as Capability Electrode Material for High Specific Performance Supercapacitors

10.20944/preprints201810.0627.v1 ◽

2018 ◽

Author(s):

Anil Kumar Yedluri ◽

Hee-Je Kim

Keyword(s):

Electron Microscopy ◽

Photoelectron Spectroscopy ◽

High Performance ◽

Energy Storage Devices ◽

X Ray ◽

Storage Devices ◽

Transmission Electron ◽

Potential Applications ◽

Oxygen Groups ◽

Cbd Method

CoO-ZnO-based composites have attracted considerable attention for the development of energy storage devices because of their multifunctional characterization and ease of integration with existing components. This paper reports the synthesis of CoO@ZnO (CZ) nanostructures on Ni foam by the CBD method for facile and eco-friendly supercapacitor applications. The formation of a CoO@ZnO electrode functioned with cobalt, zinc, nickel and oxygen groups was confirmed by X-ray diffraction, X-ray photoelectron spectroscopy, low and high-resolution of scanning electron microscopy, and transmission electron microscopy. The as-synthesized hierarchical nanocorn skeleton-like structure of CoO@ZnO-3h (CZ3h) electrode delivered a higher specific capacitance of 1136 F/g at a current density of 3 A/g with outstanding cycling stability, showing 98.3% capacitance retention over 3000 cycles in an aqueous 2 M KOH electrolyte solution. This retention was significantly better than that of other prepared electrodes, such as CoO (CO), ZnO (ZO), CoO@ZnO-1h (CZ1h), and CoO@ZnO-7h (CZ7h) (274, 383, 240 and 537 F/g, respectively). This superior capacitance was attributed to the ideal surface morphology of CZ3h, which is responsible for the rapid electron/ion transfer between the electrolyte and electrode surface area. The enhanced features of the CZ3h electrode highlight potential applications in high performance supercapacitors, solar cells, photocatalysis, and electrocatalysis.

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Localized X-Ray Photoelectron Impedance Spectroscopy (LoXPIS) for Tapping into Charge-Dynamics of Ionic-Liquid Electrolytes within Energy Storage Devices

Faraday Discussions ◽

10.1039/d1fd00102g ◽

2022 ◽

Author(s):

Mustafa - Basaran ◽

Erdinc Oz ◽

Muhammed Said Ergoktas ◽

Coskun Kocabas ◽

Burak Ulgut ◽

...

Keyword(s):

Ionic Liquid ◽

Impedance Spectroscopy ◽

Complex Interplay ◽

Energy Storage Devices ◽

Ion Migration ◽

X Ray ◽

Storage Devices ◽

Charge Dynamics ◽

Fundamental Process ◽

Electrochemical Devices

Many electrochemical devices are based on the fundamental process of ion migration and accumulation on surfaces. Complex interplay of molecular properties of ions and device dimensions control the entire process...

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Hydrothermal Synthesis of Cobalt Ruthenium Sulfides as Promising Pseudocapacitor Electrode Materials

Coatings ◽

10.3390/coatings10030200 ◽

2020 ◽

Vol 10 (3) ◽

pp. 200 ◽

Cited By ~ 1

Author(s):

Ravi Bolagam ◽

Sukkee Um

Keyword(s):

Photoelectron Spectroscopy ◽

High Performance ◽

Electrode Materials ◽

Electrochemical Impedance ◽

Rate Capability ◽

Metal Sulfide ◽

Energy Storage Devices ◽

X Ray ◽

Storage Devices ◽

Ternary Metal

In this paper, we report the successful synthesis of cobalt ruthenium sulfides by a facile hydrothermal method. The structural aspects of the as-prepared cobalt ruthenium sulfides were characterized using X-ray diffraction, X-ray photoelectron spectroscopy, and Raman spectroscopy. All the prepared materials exhibited nanocrystal morphology. The electrochemical performance of the ternary metal sulfides was investigated by cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), and electrochemical impedance spectroscopy techniques. Noticeably, the optimized ternary metal sulfide electrode exhibited good specific capacitances of 95 F g−1 at 5 mV s−1 and 75 F g−1 at 1 A g−1, excellent rate capability (48 F g−1 at 5 A g−1), and superior cycling stability (81% capacitance retention after 1000 cycles). Moreover, this electrode demonstrated energy densities of 10.5 and 6.7 Wh kg−1 at power densities of 600 and 3001.5 W kg−1, respectively. These attractive properties endow proposed electrodes with significant potential for high-performance energy storage devices.

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