2015
DOI: 10.1016/j.nanoen.2015.01.002
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Ultrathin supercapacitor electrodes with high volumetric capacitance and stability using direct covalent-bonding between pseudocapacitive nanoparticles and conducting materials

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Cited by 51 publications
(31 citation statements)
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References 71 publications
(107 reference statements)
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“…To improve electron transport in the electrode and suppress the aggregation of nanomaterials, carbon materials such as carbon nanotubes (CNTs), graphene, porous carbon, and coated thin carbon layers, are commonly used as conductive additives for iron oxide/hydroxide‐based electrode materials largely because of their large surface areas and good electrical conductivity. For example, CNTs have been used as promising double‐layer capacitive electrode materials for supercapacitors owing to their excellent electrical conductivity, unique pore structure, and exceptional mechanical, chemical, and thermal stability .…”
Section: Iron Oxide/hydroxide‐based Compositesmentioning
confidence: 99%
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“…To improve electron transport in the electrode and suppress the aggregation of nanomaterials, carbon materials such as carbon nanotubes (CNTs), graphene, porous carbon, and coated thin carbon layers, are commonly used as conductive additives for iron oxide/hydroxide‐based electrode materials largely because of their large surface areas and good electrical conductivity. For example, CNTs have been used as promising double‐layer capacitive electrode materials for supercapacitors owing to their excellent electrical conductivity, unique pore structure, and exceptional mechanical, chemical, and thermal stability .…”
Section: Iron Oxide/hydroxide‐based Compositesmentioning
confidence: 99%
“…Recently, there have been a number of successful attempts to improve the poor electrode kinetics of supercapacitors. Chemical modifications of iron oxides/hydroxides, and integration of another highly conductive component (e.g., carbon nanotubes and graphene) into iron oxides/hydroxides are two efficient strategies. Iron oxide/hydroxide‐based electrode materials, either fabricated as a single nanostructured component with desirable physicochemical properties or integrated with a certain conductive material in the form of nanocomposites, provide a good platform to build high‐performance electrodes for supercapacitors.…”
Section: Introductionmentioning
confidence: 99%
“…Note that Ni foam has been used extensively as a supporting substrate for supercapacitor electrodes, due to the high conductivity and interconnected pores . Electroactive materials of various morphologies, including nanoparticle, nanowire, and nanosheet, have been deposited onto nickel foam to construct supercapacitor electrodes. In this study, 3D networks of Ni 2 P nanosheets were grown on the surface of a Ni foam (Ni 2 P NS/NF) by a phosphorization strategy from Ni(OH) 2 nanosheets.…”
Section: Introductionmentioning
confidence: 99%
“…Among various approaches for NP‐based electrode preparation, layer‐by‐layer (LbL) assembly using complementary interactions between neighboring components is a versatile, simple, and well‐established process that allows tailored thicknesses, compositions, and functionalities . This approach also enables homogeneous and uniform distribution of active materials in electrodes without undesirable particle agglomeration or segregation, effectively activating the particle functionalities.…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, because the active materials can be directly deposited onto various substrates (or current collectors) without a polymer binder due to their complementary interactions, the interfacial stability between the active materials and the substrate can be significantly enhanced compared to that obtained using a simple blending method. Accordingly, many research groups have attempted to develop LbL‐assembled nanocomposite electrodes consisting of high‐energy materials and conductive matrices for high‐performance energy‐storage device applications . However, the LbL approaches reported to date still have difficulties in significantly enhancing energy density (particularly, volumetric energy density) because of the low mass density of the conductive component.…”
Section: Introductionmentioning
confidence: 99%