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Article
Electrochemical molecular intercalation and exfoliation of solution-processable two-dimensional crystals
Electrochemical molecular intercalation of layered semiconducting crystals with organic cations followed by ultrasonic exfoliation has proven to be an effective approach to producing a rich family of organic/i...
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Article
Open AccessIn situ XRD and operando spectra-electrochemical investigation of tetragonal WO3-x nanowire networks for electrochromic supercapacitors
Electrochromic supercapacitors (ESCs) are appealing for smart electronic device applications due to their advantages of dual-function integration. Unfortunately, the synchronous dual-function evaluation and th...
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Article
N-doped two-dimensional ultrathin NiO nanosheets for electrochromic supercapacitor
The performance of electrochromic supercapacitors (ESCs) can be improved by the use of electrodes with high electronic conductivity and ion transport ability. Herein, two-dimensional (2D) N-doped NiO ultrathin...
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Article
Tailoring the size and electrochemical performance of Mn3O4 nanoparticles by controlling the precipitation process
Mn3O4 nanoparticles were prepared at 60 °C in ethanol solution by a facile precipitation method. It was found that the particle size of the as-prepared Mn3O4 depended on the alkalinity of precipitants. Nanopartic...
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Article
High electrochemical performance of nanostructured CoOOH grown on nickel foam by hydrothermal deposition for application in supercapacitor
In this work, nanostructured CoOOH grown on nickel foam as an electrode material for application in supercapacitor was prepared by a hydrothermal deposition strategy. The synthetic procedure includes formation...
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Article
Preparation of α-Co(OH)2 monolayer nanosheets by an intercalation agent-free exfoliation process
In this work, α-Co(OH)2 monolayer nanosheets were prepared by an intercalation agent-free route utilizing a precipitation reaction between epoxide and aqueous complexes of cobalt ions ([Co(H2O)6]2+). The protona...
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Article
New insight on nanostructure assembling of high-performance electrode materials: synthesis of surface-modified hexagonal β-Ni(OH)2 nanosheets as an example
Hexagonal β-Ni(OH)2 nanosheets with thickness of ∼12 nm were synthesized by a hydrothermal method at 150 °C using nickel chloride as nickel source and morpholine as alkaline. Electrodes for application in pseudoc...
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Article
Promotion of electrochemical performance by tailoring the surface of β-Ni(OH)2 nanosheets
β-Ni(OH)2 nanosheets with rough surface were synthesized in the presence of glycerol through the hydrolysis of nickel acetate under hydrothermal condition. During the growth of β-Ni(OH)2, glycerol functionalized...
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Article
Hierarchically structured nanofelt-like β-NiOOH grown on nickel foam as electrode for high performance pseudocapacitor
In present work, nanofiber-composed felt-like β-NiOOH was successfully synthesized on nickel foam via hydrothermal method. The obtained hierarchical nanostructure guarantees the full contact of material with e...
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Article
Growth of aluminum-substituted nickel hydroxide nanoflakes on nickel foam with ultrahigh specific capacitance at high current density
Aluminum-substituted α-Ni(OH)2 nanoflakes grown on nickel foam as electrode for application in supercapacitor were synthesized in the presence of urea through a hydrothermal route. The as-synthesized nanoflakes w...
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Article
Facile synthesis of nickel–cobalt double hydroxide nanosheets with high rate capability for application in supercapacitor
In this work, nickel–cobalt double hydroxide nanosheets with high rate capability are prepared by a facile epoxide precipitation route. The synthetic procedure includes an oxidization step using ammonium persu...
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Article
Synthesis of nanofiber-composed dandelion-like CoNiAl triple hydroxide as an electrode material for high-performance supercapacitor
In this work, CoNiAl triple hydroxide with nanofiber-composed dandelion-like morphology was synthesized on nickel foam by a hydrothermal route. This delicate nanostructure was initiated from the rolling up of ...
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Article
Ultra-high specific capacitance of β-Ni(OH)2 monolayer nanosheets synthesized by an exfoliation-free sol–gel route
In this work, β-Ni(OH)2 monolayer nanosheets were prepared in benzyl alcohol by a facile exfoliation-free sol–gel route. The hydrolysis reaction of metal ions was started with the ring-opening reaction of epoxide...
