Journal ArticleDOI
In situ growth of NiCo2S4 nanotube arrays on Ni foam for supercapacitors: Maximizing utilization efficiency at high mass loading to achieve ultrahigh areal pseudocapacitance
Haichao Chen,Jianjun Jiang,Li Zhang,Dandan Xia,Yuandong Zhao,Danqing Guo,Tong Qi,Houzhao Wan +7 more
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In this paper, the NiCo2S4 nanotube arrays hybrid electrode exhibits an ultrahigh specific capacitance of 14.39 ± 1.39 µm at 5 µm and cycling stability of 92% after 5000 cycles at a high mass loading of 6 µm.About:
This article is published in Journal of Power Sources.The article was published on 2014-05-15. It has received 504 citations till now. The article focuses on the topics: Nanotube & Pseudocapacitance.read more
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Hierarchical NiCo2S4 Nanowire Arrays Supported on Ni Foam: An Efficient and Durable Bifunctional Electrocatalyst for Oxygen and Hydrogen Evolution Reactions
TL;DR: In this paper, the NiCo2S4 NW/NF arrays on a 3D Ni foam (NF) were used for solar-to-hydrogen (S2H) generation, achieving a hydrogen production current density of 10 mA cm-2 at an overpotential of 260 mV for the oxygen evolution reaction and at 210 mV (versus a reversible hydrogen electrode).
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Formation of nickel cobalt sulfide ball-in-ball hollow spheres with enhanced electrochemical pseudocapacitive properties
TL;DR: An anion exchange method is reported to synthesize a complex ternary metal sulfides hollow structure, namely nickel cobalt sulfide ball-in-ball hollow spheres that show long-term cycling performance and potential application in high-performance electrochemical capacitors.
Journal ArticleDOI
Carbon and Graphene Quantum Dots for Optoelectronic and Energy Devices: A Review
TL;DR: In this article, recent exciting progresses on CD and GQD-based optoelectronic and energy devices, such as light emitting diodes (LEDs), solar cells (SCs), photodetctors (PDs), photocatalysis, batteries, and supercapacitors are highlighted.
Journal ArticleDOI
NiCo2S4 Nanosheets Grown on Nitrogen‐Doped Carbon Foams as an Advanced Electrode for Supercapacitors
TL;DR: In this article, the rational design and fabrication of NiCo2S4 nanosheets supported on nitrogen-doped carbon foams (NCF) is presented as a novel flexible electrode for supercapacitors.
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One-Step Electrodeposited Nickel Cobalt Sulfide Nanosheet Arrays for High-Performance Asymmetric Supercapacitors
TL;DR: An asymmetric supercapacitor fabricated by the ternary sulfide nanosheet arrays as positive electrode and porous graphene film as negative electrode demonstrates outstanding electrochemical performance for practical energy storage applications.
References
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Materials for electrochemical capacitors
TL;DR: This work has shown that combination of pseudo-capacitive nanomaterials, including oxides, nitrides and polymers, with the latest generation of nanostructured lithium electrodes has brought the energy density of electrochemical capacitors closer to that of batteries.
Book
Electrochemical Supercapacitors : Scientific Fundamentals and Technological Applications
TL;DR: In this paper, the double-layer and surface functionalities at Carbon were investigated and the double layer at Capacitor Electrode Interfaces: its structure and Capacitance.
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Layer-by-Layer Assembly of Ultrathin Composite Films from Micron-Sized Graphite Oxide Sheets and Polycations
N. I. Kovtyukhova,Patricia J. Ollivier,Benjamin R. Martin,Thomas E. Mallouk,Sergey A. Chizhik,and Eugenia V. Buzaneva,Alexandr D. Gorchinskiy +6 more
TL;DR: In this article, unilamellar colloids of graphite oxide (GO) were prepared from natural graphite and were grown as monolayer and multilayer thin films on cationic surfaces by electrostatic self-assembly.
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Nanostructured carbon–metal oxide composite electrodes for supercapacitors: a review
TL;DR: The constituent, the structure and the properties of the carbon-metal oxide composites, including the synergistic effects of the composite on the performance of supercapacitors in terms of specific capacitance, energy density, power density, rate capability and cyclic stability are described.