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Article
Effects of MgO promoter on properties of Ni/Al2O3 catalysts for partial oxidation of methane to syngas
The effects of MgO promoter on the physicochemical properties and catalytic performance of Ni/Al2O3 catalysts for the partial oxidation of methane to syngas were studied by means of BET, XRD, H2-TPR, TEM and perf...
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Article
A simple preparation method of eggshell Ni/MgO-Al2O3 catalyst for partial oxidation of methane
A simple method to prepare eggshell Ni/MgO-Al2O3 catalyst was developed. In partial oxidation of methane, eggshell Ni/MgO-Al2O3 showed better reactivity and stability than the uniform one, even than eggshell Ni/A...
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Article
Effects of CeO2 and CaO composite promoters on the properties of eggshell Ni/MgO-Al2O3 catalysts for partial oxidation of methane to syngas
The effects of CeO2 and CaO composite promoters on the properties of eggshell Ni/MgO-Al2O3 catalysts of 1.5 mm diameter for the partial oxidation of methane to syngas were investigated. The addition of 1wt.% prom...
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Article
Open AccessSynthesis of Porous NiO and ZnO Submicro- and Nanofibers from Electrospun Polymer Fiber Templates
Porous nickel oxide (NiO) and zinc oxide (ZnO) submicro- and nanofibers were synthesized by impregnating electrospun polyacrylonitrile (PAN) fiber templates with corresponding metal nitrate aqueous solutions a...
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Article
Effect of Calcination Temperature on Properties of Eggshell Ni/MgO–Al2O3 Catalyst for Partial Oxidation of Methane to Syngas
The effect of calcination temperature on the properties of eggshell Ni/MgO–Al2O3 catalysts was studied. Catalyst deactivation was also investigated. It is found that higher calcination temperature contributes to ...
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Article
High electrochemical activity from hybrid materials of electrospun tungsten oxide nanofibers and carbon black
Tungsten oxide (WO3) nanofibers were prepared by oxidizing the electrospun ammonium metatungstate (AMT) and polyvinyl pyrrolidone (PVP) composite fibers. The WO3 nanofibers with controllable diameters ranging fro...
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Article
Fe–N/C nanofiber electrocatalysts with improved activity and stability for oxygen reduction in alkaline and acid solutions
Fe–N/C nanofiber (Fe–N/CNF) electrocatalysts were prepared by impregnating electrospun polyacrylonitrile nanofibers with iron nitrate (Fe(NO3)3) solution and subsequent heat treatment, exhibiting improved activit...
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Article
High-capacity cathode for lithium-ion battery from LiFePO4/(C + Fe2P) composite nanofibers by electrospinning
Lithium iron phosphate/(carbon and ferrous phosphide) (LiFePO4/(C + Fe2P)) composite nanofibers are successfully synthesized by electrospinning and subsequent heat-treatment. We develop a novel aqueous solution w...
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Article
Potential-mediated growth of ultrathin hydrated tungsten oxide nanosheets with high electrochemical activity from amorphous precursor nanofibers
Morphology and size control is of great importance for enhancing the properties of nanomaterials. In this paper, a novel method to prepare hydrated WO3 (HWO) nanosheets with controlled thickness is reported. The...
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Article
Open AccessLarge-scale synthesis of hybrid metal oxides through metal redox mechanism for high-performance pseudocapacitors
Electrochemical performance and production cost are the main concerns for the practical application of supercapacitors. Here we report a simple and universally applicable method to prepare hybrid metal oxides ...
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Article
Spectroscopic and Electrochemical Properties of Lithium-Rich LiFePO4 Cathode Synthesized by Solid-State Reaction
Lithium iron phosphate (Li x FePO4) is synthesized by a solid-state reaction method. The structural, electrical and electrochemical properties are studied in detail. It is found ...
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Article
Synthesis of flower-like reduced graphene oxide–Mn3O4 nanocomposite electrodes for supercapacitors
A facile method was adopted to synthesize reduced graphene oxide–Mn3O4 (rGO–Mn3O4) nanocomposites with flower-like structure, and the Mn3O4 particles were uniformly embedded onto the rGO layers. The structural fe...
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Article
Facile and cost-effective synthesis of flower-like RGO/Fe3O4 nanocomposites with ultra-long cycling stability for supercapacitors
The RGO/Fe3O4 nanocomposites were synthesized by an easy and cost-effective graphenothermal process during which GO and Fe2O3 were reduced to RGO and Fe3O4, thus forming the RGO/Fe3O4 nanocomposite. This material...
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Article
Open AccessRETRACTED ARTICLE: Colloidal silver diphosphide (AgP2) nanocrystals as low overpotential catalysts for CO2 reduction to tunable syngas
Production of syngas with tunable CO/H2 ratio from renewable resources is an ideal way to provide a carbon-neutral feedstock for liquid fuel production. Ag is a benchmark electrocatalysts for CO2-to-CO conversion...
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Article
Open AccessScalable neutral H2O2 electrosynthesis by platinum diphosphide nanocrystals by regulating oxygen reduction reaction pathways
Despite progress in small scale electrocatalytic production of hydrogen peroxide (H2O2) using a rotating ring-disk electrode, further work is needed to develop a non-toxic, selective, and stable O2-to-H2O2 electr...
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Article
Open AccessGraphene/MoS2/FeCoNi(OH)x and Graphene/MoS2/FeCoNiPx multilayer-stacked vertical nanosheets on carbon fibers for highly efficient overall water splitting
Development of excellent and cheap electrocatalysts for water electrolysis is of great significance for application of hydrogen energy. Here, we show a highly efficient and stable oxygen evolution reaction (OE...
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Article
Open AccessRoom temperature all-solid-state lithium batteries based on a soluble organic cage ionic conductor
All solid-state lithium batteries (SSLBs) are poised to have higher energy density and better safety than current liquid-based Li-ion batteries, but a central requirement is effective ionic conduction pathways...
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Article
Open AccessRetraction Note: Colloidal silver diphosphide (AgP2) nanocrystals as low overpotential catalysts for CO2 reduction to tunable syngas