Facile One-Step Microwave-Assisted Method to Synthesize Nickel Selenide Nanosheets for High-Performance Hybrid Supercapacitor

Article Chemistry, Physical

Coordination agent-dominated phase control of nickel sulfide for high-performance hybrid supercapacitor

Qin Hu et al.

Summary: This study introduces a novel phase modulation strategy dominated by coordination agent, which successfully drives phase transformation from composite to pure phase with enhanced performance.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Engineering, Environmental

A novel air-stable Li7Sb0.05P2.95S10.5I0.5 superionic conductor glass-ceramics electrolyte for all-solid-state lithium-sulfur batteries

Muhammad Khurram Tufail et al.

Summary: A novel lithium superionic conductor Li2Sb0.05P2.95S10.5I0.5 as solid-state glass-ceramics electrolytes was synthesized and showed high Li+ conductivity and wide voltage stability. By optimizing dopant contents, the air stability of the electrolyte was significantly improved. This research provides a new concept for the design of high-performance all-solid-state lithium-sulfur batteries.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Multidisciplinary

Two-Dimensional Siloxene-Graphene Heterostructure-Based High-Performance Supercapacitor for Capturing Regenerative Braking Energy in Electric Vehicles

Karthikeyan Krishnamoorthy et al.

Summary: The development of high-performance electrodes is crucial for increasing the energy density of supercapacitors and utilizing them in electric vehicles. The designed siloxene-graphene heterostructure electrode-based symmetric supercapacitor delivers high energy density and operates over a wide temperature range, making them suitable for automotive applications.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Physical

Flexible porous Graphene/Nickel hydroxide composite films with 3D ion transport channels for high volumetric performance asymmetric supercapacitor

Baoquan Hou et al.

Summary: This study presents a universal method for preparing porous graphene sheets/nickel hydroxide films with high conductivity, large tap density, and good flexibility. The electrode demonstrates excellent cycling stability, good rate capability, high volumetric specific capacitance, and gravimetric specific capacitance. The assembled device shows considerable volumetric specific energy densities.

APPLIED SURFACE SCIENCE (2021)

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Article Chemistry, Analytical

Controlled synthesis of NiSe-Ni0.85Se nanocomposites for high-performance hybrid supercapacitors

Yucheng Bai et al.

Summary: Constructing nanostructured multiphase composite is an effective approach to improve electrode material performance. The two-phase nickel selenide nanoparticles show high specific capacity and good rate capability, while a hybrid supercapacitor with NiSe-Ni0.85Se positive electrode and rGO negative electrode exhibits high specific capacitance, energy, and excellent cycling stability. These findings provide valuable insights for rational design of nanostructured multiphase nickel selenide materials for energy storage applications.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2021)

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Article Chemistry, Analytical

Hybrid two-dimensional nickel oxide-reduced graphene oxide nanosheets for supercapacitor electrodes

Xin Gao et al.

Summary: The research involved the preparation of graphene oxide (GO) nanosheets and two-dimensional Ni(OH)2 with excellent uniformity using hydrothermal and Hummers methods, leading to the formation of NiO-rGO nanosheets with optimized electrochemical performance and excellent capacity. The hybrid NiO-rGO nanosheets electrode exhibited homogeneously dispersed NiO nanosheets on the surface of rGO nanosheets, delivering a capacity of 343 C/g (1 A/g) and achieving a high energy density of 5.4 Wh/kg at a power density of 0.43 kW/kg in the voltage range of 0-1.4 V. Additionally, the symmetric supercapacitor made from NiO-rGO nanosheets showed an excellent capacitance retention of 90% after 10,000 cycles at 10 A/g.

MICROCHEMICAL JOURNAL (2021)

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Article Chemistry, Multidisciplinary

Printing Porous Carbon Aerogels for Low Temperature Supercapacitors

Bin Yao et al.

Summary: The research team successfully fabricated a 3D-printed multiscale porous carbon aerogel through a unique preparation method, achieving excellent capacitance performance at -70 degrees Celsius. This structure maintained outstanding capacitive performance and a high capacitance even at high scan rates, demonstrating the importance of open porous structures in preserving capacitive performance at ultralow temperatures.

NANO LETTERS (2021)

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Article Chemistry, Physical

Ni0.85Se/MoSe2 Interfacial Structure: An Efficient Electrocatalyst for Alkaline Hydrogen Evolution Reaction

Harish Reddy Inta et al.

Summary: In alkaline media, Ni0.85Se/MoSe2 interfacial structure exhibits superior hydrogen evolution reaction activity, attributed to the high density of active sites and efficient water dissociation process which promote reaction rate.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Energy & Fuels

Phase-controlled growth of nickel hydroxide nanostructures on nickel foam for enhanced supercapacitor performance

Liang Zhao et al.

Summary: The controllable growth and phase transformation of nickel hydroxide nanostructures on nickel foam have been achieved through tuning the concentration of reactants. The alpha-type nickel hydroxide electrode shows much higher specific capacitance than the beta-type, with a large gravimetric capacitance of 2075 F g(-1) at a current density of 0.5 A g(-1). The asymmetric supercapacitor exhibits a high specific energy of 31.5 Wh kg(-1) at a specific power of 388 W kg(-1) within a voltage window of 1.55 V.

JOURNAL OF ENERGY STORAGE (2021)

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Article Multidisciplinary Sciences

A seamlessly integrated device of micro-supercapacitor and wireless charging with ultrahigh energy density and capacitance

Chang Gao et al.

Summary: This study presents seamlessly integrated wireless charging micro-supercapacitors with high energy density capable of driving a model electrical car, demonstrating low resistance and excellent voltage tolerability that outperform conventional micro-supercapacitors.

NATURE COMMUNICATIONS (2021)

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Article Materials Science, Ceramics

Boosting the capacitive property of cobalt sulfide through interface engineering for high-performance supercapacitors

Yanyan Fang et al.

Summary: Metal sulfide arrays have high theoretical capacity and electrochemical sites, but their sluggish redox reaction limits their application in high power density devices. A novel hybrid and hierarchical nanostructure with a thin layer of NiO deposited on CoS particles greatly improves the capacitive properties of cobalt sulfide. The NiO/CoS hybrid supercapacitor demonstrates high capacitance, energy density, and cycling stability.

CERAMICS INTERNATIONAL (2021)

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Article Electrochemistry

One-step electrochemical controllable preparation of nickel cobalt sulfide nanosheets and its application in supercapacitors

Xuan Li et al.

Summary: The study demonstrates that by controlling the Co/Ni molar ratio, the structure and performance of nickel-cobalt sulfides can be manipulated. The CNS-3 electrode shows superior specific capacitance, rate capability, and cycling stability, with potential for high-performance supercapacitor electrode materials. The research indicates the promising application of CNS-3 in the development of advanced supercapacitors.

ELECTROCHIMICA ACTA (2021)

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Article Engineering, Electrical & Electronic

Microwave-irradiated novel mesoporous nickel oxide carbon nanocomposite electrodes for supercapacitor application

T. Rakesh Kumar et al.

Summary: This study focuses on the electrochemical analysis of nickel oxide and nickel oxide@reduced graphene oxide nanocomposite materials as electrodes, revealing the impact of different electrolyte concentrations on specific capacitance and energy density. The synthesized materials were characterized using various techniques, showing different performance at varying molarities of potassium hydroxide electrolyte.

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2021)

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Article Energy & Fuels

Microwave-assisted thin reduced graphene oxide-cobalt oxide nanoparticles as hybrids for electrode materials in supercapacitor

Rajesh Kumar et al.

Summary: The hybrid material rGO@Co3O4/CoO synthesized by single-step microwave irradiation shows promising electrochemical performance and mesoporous structure, indicating its potential as electrode material for supercapacitors.

JOURNAL OF ENERGY STORAGE (2021)

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Article Chemistry, Multidisciplinary

High-power graphene supercapacitors for the effective storage of regenerative energy during the braking and deceleration process in electric vehicles

Sindhuja Manoharan et al.

Summary: Graphene supercapacitors exhibit superior performance metrics such as high energy density, high power density, long cycle life, and wide temperature range, making them suitable for the electrochemical energy storage system of electric vehicles.

MATERIALS CHEMISTRY FRONTIERS (2021)

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Article Chemistry, Physical

Rapid and simplistic microwave assisted method to synthesise cobalt selenide nanosheets; a prospective material for high performance hybrid supercapacitor

Waqar Younas et al.

APPLIED SURFACE SCIENCE (2020)

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Article Chemistry, Physical

Hierarchical nickel-cobalt selenide nanoparticles/nanosheets as advanced electroactive battery materials for hybrid supercapacitors

Yuzhen Hu et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2020)

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Article Chemistry, Physical

Ionothermal synthesis of three-dimensional hierarchical Ni3Se2 mesoporous nanosheet networks with enhanced performance for asymmetric supercapacitors

Yanxia Liu et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Chemistry, Multidisciplinary

Cobalt-doping SnS2 nanosheets towards high-performance anodes for sodium ion batteries

Liqin Wang et al.

NANOSCALE (2020)

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Article Chemistry, Physical

Engineering yolk-shell P-doped NiS2/C spheres via a MOF-template for high-performance sodium-ion batteries

Liqin Wang et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Chemistry, Physical

One-step solvothermal synthesis of nickel selenide nanoparticles as the electrode for high-performance supercapacitors

Shang Wu et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2019)

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Article Nanoscience & Nanotechnology

Ultrathin Ti3C2Tx (MXene) Nanosheet-Wrapped NiSe2 Octahedral Crystal for Enhanced Supercapacitor Performance and Synergetic Electrocatalytic Water Splitting

Hanmei Jiang et al.

NANO-MICRO LETTERS (2019)

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Supported SnS2 nanosheet array as binder-free anode for sodium ion batteries

Liqin Wang et al.

ELECTROCHIMICA ACTA (2019)

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N-doped reduced graphene oxide decorated NiSe2 nanoparticles for high-performance asymmetric supercapacitors

Yun Gu et al.

JOURNAL OF POWER SOURCES (2019)

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Facile synthesis of nickel-cobalt selenide nanoparticles as battery-type electrode for all-solid-state asymmetric supercapacitors

Yahui Wang et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2019)

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Article Chemistry, Multidisciplinary

Ultrafast, Facile, and Scalable Microwave-Assisted Synthesis Method to Prepare Nickel Sulfide Nanosheets for High Energy Density Hybrid Capacitors

Muhammad Naveed et al.

CHEMNANOMAT (2019)

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Article Electrochemistry

Flower-like Ni0.85Se nanosheets with enhanced performance toward hybrid supercapacitor

Yuqing Kuai et al.

ELECTROCHIMICA ACTA (2019)

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Template free and facile microwave-assisted synthesis method to prepare mesoporous copper sulfide nanosheets for high-performance hybrid supercapacitor

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ELECTROCHIMICA ACTA (2019)

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Hierarchical NiSe2 spheres composed of tiny nanoparticles for high performance asymmetric supercapacitors

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Facile fabrication of Ni0.85Se nanowires by the composite alkali salt method as a novel cathode material for asymmetric supercapacitors

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DALTON TRANSACTIONS (2019)

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Novel Cobalt-Doped Ni0.85Se Chalcogenides (CoxNi0.85-xSe) as High Active and Stable Electrocatalysts for Hydrogen Evolution Reaction in Electrolysis Water Splitting

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Electrodeposited NiSe2 on carbon fiber cloth as a flexible electrode for high-performance supercapacitors

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3D hierarchical MnO2 microspheres: a prospective material for high performance supercapacitors and lithium-ion batteries

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Facile hydrothermal synthesis of hexapod-like two dimensional dichalcogenide NiSe2 for supercapacitor

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In Situ Growth of NiSe Nanowire Film on Nickel Foam as an Electrode for High-Performance Supercapacitors

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Facile One-Step Microwave-Assisted Method to Synthesize Nickel Selenide Nanosheets for High-Performance Hybrid Supercapacitor

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