Showing papers in "Electrochemistry Communications in 2009"

TL;DR: Graphene was synthesized chemically by Hummers and Offeman method and the graphene-modified electrode was applied in selective determination of dopamine with a linear range from 5μM to 200μM in a large excess of ascorbic acid as discussed by the authors.

TL;DR: In this article, a novel high performance electrode material based on fibrillar polyaniline (PANI) doped with graphene oxide sheets was synthesized via in situ polymerization of monomer in the presence of graphene oxide, with a high conductivity of 10 S cm −1 at 22°C for the obtained nanocomposite with a mass ratio of aniline/graphite oxide, 100:1.

TL;DR: In this article, the composites of graphene nanosheets decorated by Pt nano clusters have been prepared via reduction of graphite oxide and H2PtCl6 in one pot.

TL;DR: In this paper, the morphology, structure and electrochemical performance of GNSs as anode material for lithium-ion batteries were systematically investigated by high-resolution transmission electron microscope, scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy and a variety of electrochemical testing techniques.

TL;DR: In this paper, a Pt-FGS was used for oxygen reduction in functionalized graphene sheets (FGSs) by thermal expansion of graphite oxide and Pt nanoparticles with average diameter 2 nm were uniformly loaded on FGSs by impregnation methods.

TL;DR: In this article, an in situ chemical synthesis approach has been developed to prepare SnO 2 -graphene nanocomposite, which exhibited a reversible lithium storage capacity of 765 ǫ/g in the first cycle and an enhanced cyclability.

TL;DR: In this paper, the authors presented a novel process for the production of H2O2 based on the bioelectrochemical oxidation of wastewater organics at an anode coupled to the cathodic reduction of oxygen to H 2O2.

TL;DR: In this paper, an inexpensive activated carbon (AC) air cathode was developed as an alternative to a platinum-catalyzed electrode for oxygen reduction in a microbial fuel cell (MFC).

TL;DR: In this article, Li-Ni-PO{sub 4} solution was used to stabilize the electrode surface and then a heat-treatment step was performed to achieve reversible capacity of 250 mAh/g at a C/11 rate, 225 mAh /g at C/2 rate, and 200 m/g in C/1 rate.

TL;DR: In this article, a paper-like carbon nanotube/polyaniline (CNT/PANI) composite was proposed to transform a brittle polymer into flexible films.

TL;DR: In this paper, a mesocellular carbon foam (MCF-C) was prepared by nanocasting technology using meso-cellular foam(MCF) silica hard template.

TL;DR: In this paper, an ultrasensitive platform for the detection of cadmium (Cd2+) combining the nafion-graphene nanocomposite film with differential pulse anodic stripping voltammetry (DPASV) analysis was presented.

TL;DR: In this paper, a single-metal redox flow battery employing chromium(III) acetylacetonate in tetraethylammonium tetrafluoroborate and acetonitrile has been investigated using electrochemical techniques.

TL;DR: In this article, a quaternary ammonium salt-derivative ionic liquid called G.CI was used as an electrolyte for dye-sensitized solar cells.

TL;DR: In this article, an asymmetric supercapacitor activated carbon/0.5-mol/l K2SO4/V2O5·0.6H2O was successfully assembled, which could be cycled reversibly in the voltage region of 0.8-1.8

TL;DR: In this paper, the condition of liquid water breakthrough at the cathode of polymer electrolyte fuel cells (PEMFC) is studied experimentally and data on corresponding water saturation and capillary pressure are provided for gas diffusion layers (GDL) with and without a microporous layer (MPL).

TL;DR: In this paper, an interesting effect of iodide ions has been observed for positive electrode operating in a narrow range of potential and giving extremely high capacitance values exceeding 1840 F/g.

TL;DR: In this article, the authors investigated the performance of tetramethyl sulfone (TMS) as an electrolyte for lithium-ion cells with high-voltage spinel spinels and achieved an initial capacity of 80 mAh g{sup -1} with excellent capacity retention after 100 cycles.

TL;DR: In this paper, LiCoO 2 electrodes can be reversibly cycled in LiNO 3 aqueous electrolytes for tens of cycles at remarkably high rates with impressive values specific capacity higher than 100 mAh/g, and with a coulomb efficiency greater than 99.7%.

TL;DR: In this paper, anatase TiO 2 nanosheets with largely exposed (0, 0, 1) facets have been synthesized by a modified method, and a host structure for reversible lithium insertion/extraction has been investigated.

TL;DR: Using porous cuprous oxide (Cu 2 O) microcubes, a simple non-enzymatic amperometric sensor for the detection of H 2 O 2 and glucose has been fabricated.

TL;DR: In this article, a hierarchical porous network with large macroporous channels and micropores within the channel walls was proposed to provide the pathways for easy accessibility of electrolytes and fast transportation of lithium ions.

TL;DR: In this article, a high-sensitive cholesterol amperometric biosensor based on the immobilization of cholesterol oxidase (ChOx) onto the ZnO nanoparticles has been fabricated which shows a very high and reproducible sensitivity of 23.7mM.

TL;DR: In this article, the electrochemical stabilities of Pt deposited on carbon nanotubes (CNTs) and nitrogen-doped carbon nanoxubes (CNx) of different nitrogen contents are compared with accelerated durability tests (ADT) for the first time.

TL;DR: In this article, the effect of TiCl 4 treatments on the photoconversion efficiency of TiO 2 arrays used in dye sensitized solar cell was investigated, and the results clearly showed that by an appropriate treatment, the decoration of the TiO2 nanotube arrays with a typical size of 3nm can be achieved.

TL;DR: In this paper, Nanoporous gold (NPG) with uniform pore sizes and ligaments was prepared by a simple dealloying method, and the as-prepared NPG samples were used as the working electrodes to investigate the redox behavior of p -nitrophenol ( p -NP) by cyclic voltammetry (CV).

TL;DR: In this paper, the capacitive behavior of 1D MoO 2 nanorods was studied by galvanostatic charge-discharge studies in 1-M H 2 SO 4 solution at different current densities.

TL;DR: In this article, the direct electron transfer of GOD and a novel glucose biosensor based on carbon-decorated ZnO(C-ZnO) nanowire array electrode is reported.

TL;DR: Acidophilic pH in anodic chamber showed effective performance with respect to power output compared to the corresponding neutral and alkaline operations, however, substrate degradation was observed to be higher at neutral condition followed by alkaline and acidophilic operations.

TL;DR: In this article, the in situ electropolymerized polyaniline (PANI) film was used to construct a dye-sensitized solar cell with PANI-SO 4 as counter electrode.