Journal ArticleDOI
Self-assembled porous NiCo2O4 hetero-structure array for electrochemical capacitor
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TLDR
In this article, the NiCo2O4 array presented a nanoflake-nanowire hetero-structure with a high specific capacitance of 1089 F g−1 at a current density of 2 ǫg−1, which can still retain 1058 F g −1 (97.2%) after 8000 cycles.About:
This article is published in Journal of Power Sources.The article was published on 2013-10-01. It has received 223 citations till now. The article focuses on the topics: Capacitance & Hydrothermal synthesis.read more
Citations
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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
TL;DR: 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.
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Hierarchical NiCo2O4@NiCo2O4 core/shell nanoflake arrays as high-performance supercapacitor materials.
X.Y. Liu,S.J. Shi,Qin-qin Xiong,Lu Li,Yi-jun Zhang,Hong Tang,Changdong Gu,Xiuli Wang,Jiangping Tu +8 more
TL;DR: The enhanced pseudocapacitive performances are mainly attributed to its unique core/shell structure, which provides fast ion and electron transfer, a large number of active sites, and good strain accommodation.
Journal ArticleDOI
Nickel cobaltite as an emerging material for supercapacitors: An overview
TL;DR: In this article, a review of the nano-architectured NiCo2O4-based electrodes for supercapacitors is presented, which is organized by techniques used for synthesis including chemical methods with and without templates along with their electrochemical properties.
Journal ArticleDOI
NiCo2O4-based materials for electrochemical supercapacitors
Zhibin Wu,Yirong Zhu,Xiaobo Ji +2 more
TL;DR: In this article, the authors analyzed the energy storage mechanism of NiCo2O4, summarized the methodologies and nanostructures discovered in recent years, and pointed out the potential problems and future prospects of utilizing NiCo 2O4-based materials as supercapacitor electrodes.
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One-pot synthesis of porous nickel cobalt sulphides: tuning the composition for superior pseudocapacitance
TL;DR: In this article, a pseudocapacitive material for supercapacitors was synthesized from nickel cobalt sulphides with different stoichiometric nickel and cobalt contents.
References
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Journal ArticleDOI
A Cost-Effective Supercapacitor Material of Ultrahigh Specific Capacitances: Spinel Nickel Cobaltite Aerogels from an Epoxide-Driven Sol–Gel Process
TL;DR: This work reported the first successful preparation of nickel cobaltite aerogels with the epoxide-driven sol–gel process, which showed an extremely high-specific capacitance of 1400 F g under a mass loading of 0.4 mg cm 2 at a sweep rate of 25mV s.
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High-Quality Metal Oxide Core/Shell Nanowire Arrays on Conductive Substrates for Electrochemical Energy Storage
TL;DR: The growth approach offers a new technique for the design and synthesis of transition metal oxide or hydroxide hierarchical nanoarrays that are promising for electrochemical energy storage, catalysis, and gas sensing applications.
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Facile synthesis and self-assembly of hierarchical porous NiO nano/micro spherical superstructures for high performance supercapacitors
TL;DR: In this article, the hierarchical porous NiO nano/micro superstructures were obtained from the precursor by a simple calcination procedure, which achieved a specific capacitance of 710 F g−1 at 1 A g −1 and offered a good capacitance retention of ca. 98% after 2000 continuous charge discharge cycles.
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Single-crystalline NiCo2O4 nanoneedle arrays grown on conductive substrates as binder-free electrodes for high-performance supercapacitors
TL;DR: In this article, single-crystalline nanoneedle arrays of NiCo2O4 were grown on conductive substrates such as Ni foam and Ti foil through a simple solution method together with a post-annealing treatment.
Journal ArticleDOI
Ordered mesoporous metal oxides: synthesis and applications.
Yu Ren,Zhen Ma,Peter G. Bruce +2 more
TL;DR: Different methods for the preparation of ordered mesoporous metal oxides are described; their applications in energy conversion and storage, catalysis, sensing, adsorption and separation are reviewed; and the correlations between the textural properties and their specific performance are highlighted.