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The direct carbon fuel cell (DCFC) has been considered an efficient way to mitigate the energy crisis and environmental pollution issues, owing to its high energy conversion efficiency, low pollution, and abundant and readily available resources, but its performance is closely related to the fuel used. We give a brief introduction to the development of DCFCs and a review of the current status of DCFC...
Hydropropylcellulose (HPC)-modified multi-wall carbon nanotubes (HPC-MWCNTs) were prepared by physical adsorption of HPC on the surface of MWCNTs. The modification decreased the contact angle of water on HPC-MWCNTs and increased their water dispersion ability. However, HPC-MWCNTs dispersed in water were not stable and precipitated on the bottom of the container after 2days as cylindrical bundles with...
To meet the increasing demands of electrode materials with high capacity and fast charge–discharge capability for next-generation lithium-ion batteries (LIBs), well-designed nanostructures of carbon-supported metal oxides have been extensively investigated. Here we design and fabricate a novel hybrid nanoarchitecture of carbon nanotubes (CNTs) coated with TiO 2 -B nanosheets (CNTs@TiO ...
Novel carbon nanotube (CNT)/SiO 2 monolithic catalysts for the oxidative dehydrogenation of ethylbenzene to styrene were synthesized by immobilizing CNTs onto commercial SiO 2 spheres. The CNTs completely cover the surface of the SiO 2 spheres, and the catalysts exhibit an improved performance with a higher styrene yield and selectivity, and a higher ethylbenzene conversion...
A microstructure control strategy for carbide-derived carbon (CDC) by ball-milling the metal carbide precursor prior to CDC synthesis is investigated. This work explores the effect of chlorination temperature and ball-milling time on the microstructure, specific surface area (SSA) and the pore size distribution. It is found that the degree of order of CDC obtained from the milled titanium carbide...
We report an in situ transmission electron microscopy study of the electrochemical behavior of few-layer graphene nanoribbons (GNRs) synthesized by longitudinal splitting the multi-walled carbon nanotubes (MWCNTs). Upon lithiation, the GNRs were covered by a nanocrystalline lithium oxide layer attached to the surfaces and edges of the GNRs, most of which were removed upon delithiation, indicating...
A one-pot solvothermal synthesis method was developed to prepare reduced graphene oxide (RGO) supported ferrite (MFe 2 O 4 , M=Mn, Zn, Co and Ni) hybrids using graphite oxide and metal ions (Fe 3+ and M 2+ ) as starting materials. The hybrids were characterized by X-ray powder diffraction, Raman spectra, field emission scanning electron microscopy, energy dispersive...
We report a simple approach to reduce graphene oxide (GO) solution by pulsed laser irradiation. The reduction was rapidly carried out at room temperature in only 5min. The reduced graphene oxide (r-GO) was characterized with UV–visible spectroscopy, X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, thermo-gravimetric analysis, Fourier transform infrared spectroscopy, scanning...
Monodispersed water-soluble fluorescent carbon nanoparticles (CNPs) were synthesized directly from glucose by a one-step alkali or acid assisted ultrasonic treatment. The CNPs were characterized by transmission electron microscopy, optical fluorescent microscopy, fluorescent spectrophotometry, fourier transform infrared spectrophotometry and ultraviolet-visible spectrophotometry. The results showed...
A new supramolecular system between a barbituric acid-substituted fullerene derivative (1) and dipyrenemethyl-substituted melamine (2) through hydrogen-bonding interaction was prepared. The formation of hydrogen bonding was confirmed by 1 H NMR studies in CDCl 3 /CS 2 . The photocurrent generation of the self-assembled film of 2·1 was measured and a cathodic photocurrent response...
Indium tin oxide (ITO) electrodes modified chemically with self-assembled monolayers (SAMs) of C 60 -perylenetetracarboxylic diimide-C 60 triad have been designed for the first time to act as an efficient light-to-current converter in molecular devices. The monolayers were characterized using UV–Vis, X-ray photoelectron spectroscopy and atomic force microscopy. Photoelectrochemical...
Carbon-coated iron nanoparticles with diameters ranging from 5 to 50nm and a few layers of graphitic shells have been synthesized in a mass scale by laser-induction complex heating evaporation. Through the studies on the dissolution behavior of the inner iron cores under the treatments of HCl and HNO 3 acids at different conditions, a practical route with the combined treatments of HNO ...
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