Showing papers in "Electrochemistry Communications in 2003"

TL;DR: In this article, N-methyl-N-propylpiperidinium bis(trifluoromethanesulfonyl)imide is the most promising candidate as the electrolyte base.

TL;DR: In this article, the incorporation of salts molten at room temperature (room temperature ionic liquids or RTILs) into polymer electrolytes may be the necessary solution to overcoming the inherent ionic conductivity limitations of ‘dry’ polymer electrolyte.

TL;DR: In this article, the performance of carbon nanotubes paste electrodes (CNTPE) prepared by dispersion of multi-wall carbon Nanotubes (MWNT) within mineral oil is described.

TL;DR: Results suggest that the “trees” in the nanotube forest behaved electrically similar to a metal, conducting electrons from the external circuit to the redox sites of the enzymes.

TL;DR: In this paper, a 67% overall cell efficiency was achieved using these liquids as supporting electrolytes for a commercially available alkaline fuel cells (AFC) at room temperature operating with air and hydrogen at atmospheric pressure.

TL;DR: A superionic crystal analogous to highly conductive thio-LISICON, which is a series of sulfide crystalline solid electrolytes such as Li4GeS4−Li3PS4, was successfully formed by the crystallization of mechanically milled Li2S−P2S5 glasses as discussed by the authors.

TL;DR: In this paper, all-solid-state cells using sulfur-based cathode materials and Li2S-P2S5 glass-ceramic electrolytes were successfully prepared and exhibited excellent cycling performance at room temperature.

TL;DR: In this paper, the feasibility of AMDMFC is investigated in terms of thermodynamic disadvantages and kinetic advantages, and it is shown that a large voltage loss due to the pH difference across the membrane is predicted by theoretical calculation, and experimental data show much higher anodic performance in carbonate/bicarbonate than in acid.

TL;DR: In this paper, a platinum electrocatalyst layer was directly bound to a perfluorinated anion-exchange membrane (AEM) by the electroless plating method and used for the characterization of AEM as a polymer electrolyte membrane for a direct hydrazine fuel cell.

TL;DR: In this article, a conducting polymer matrix is integrated into a polyaniline matrix to form a hybrid material to harness the electrochemical activity of nanosized oxide clusters, which can be put to work in energy storage applications.

TL;DR: LiMn2O4 spinel coated sonochemically with MgO was studied as an active mass in composite cathodes in standard Li electrolyte solutions for Li-ion batteries at 60 C.

TL;DR: In this article, the electrochemical behavior of myoglobin incorporated on multi-walled carbon nanotubes (MWNTs) modified GC electrode is investigated by electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV).

TL;DR: LiFePO4 is a potential candidate for the cathode material of the lithium secondary batteries as mentioned in this paper, which is a very simple and useful tool to control the iron oxidation state to 2+ without reductive gas flow.

TL;DR: In this article, surface treatment of LiMn{sub 2}O{sub 4} with colloidal zirconia (ZrO{ sub 2}) dramatically improved the cycling stability of the spinel electrode at 50 {sup o}C.

TL;DR: In this paper, the apparent diffusion coefficient (Dapp) of poly(phenosafranine) film was measured as 2.51 × 10−9 cm2/s.

TL;DR: In this article, the authors present simulations of the current and potential in several cathode/anode array configurations to illustrate the difficulty in obtaining relatively uniform current densities in 3D batteries based on periodic elements.

TL;DR: In this paper, a novel biosensor, comprised of electrode of gold/multi-walled carbon nanotubes (Au/MWNTs)-glucose oxidase (GOD), has been developed.

TL;DR: In this paper, a poly(vinylidene fluoride-tetrafluoroethylene-propylene)-based elastomeric binder system was proposed to obtain a stable specific capacity of about 800 mAh/g in a-Si 0.64 Sn 0.36, corresponding to 125% volume change.

TL;DR: In this paper, the material modification by adding a small amount of CaCO 3 into precursor improves the initial reversibility and suppresses the capacity fade upon cycling, and a little higher insertion voltage of the composites than commercial CMS anode material improves the cell safety in high rate charging process.

TL;DR: In this paper, a nanoporous amorphous manganese oxide (MANO) was investigated as an electrocatalyst for the oxygen reduction reaction in alkaline solutions, achieving an oxygen reduction current density of more than 100 mA / cm 2 with an oxygen back-feed gas diffusion electrode with a low-catalyst loading of ca. 0.85 mg/ cm 2.

TL;DR: In this article, a study using stepped electrodes with Pt(100) terraces and monoatomic Pt(111) steps, Pt(S[n(100),x(111), Miller indices Pt(2[n1, 1,1,1)], showed that the activity of the electrode is strongly dependent on the terrace width, i.e., the wider the terraces the less positive the peak potential for ammonia oxidation.

TL;DR: In this paper, the photo-charged TiO2-WO3 composite photocatalyst films can be charged with reductive energy by irradiation with ultraviolet (UV) light.

TL;DR: An effective method for amplifying electrical detection of DNA hybridization based on carbon-nanotubes (CNT) carrying a large number of CdS particle tracers is described, and offers great promise for ultrasensitive detection of other biorecognition events.

TL;DR: In this paper, a highly catalytic system for sugar oxidation in alkaline media is presented, for the first time, in which glucose oxidation takes place at ca. −0.14 V (glucose case) on the oxidation potential and a slight increase in peak current.

TL;DR: In this article, a photoelectrochemical solar cell equipped with a Pt-particle-modified porous n-Si electrode gave 13.3 mW cm−2 of maximum output power.

TL;DR: LiMn 2 O 4 thin film electrode was prepared by pulsed laser deposition for fabrication of structurally ordered electrode/electrolyte interface as discussed by the authors, showing blocking electrode behaviors.

TL;DR: In this paper, Pd nanophases in a Nafion polymer membrane electrolyte were used to enhance DMFC performance by preventing or reducing methanol crossover through the electrolyte.

TL;DR: In this article, the authors analyzed the performance of parallel pathways during methanol oxidation at Pt(1.1/1) 1 and showed that the mechanism of the parallel pathway is sensitive to the nature of the supporting electrolyte.

TL;DR: In this article, the molecular structure of an 1ethyl-3methylimidazolium tetrafluoroborate (EMIBF4) | gold electrode interphase was investigated by means of in situ Fourier transform infrared reflection absorption spectroscopy (FT-IRAS).

TL;DR: Carbon nanofiber-copper composite powder is prepared by an electrodeposition process using a copper plating bath containing homogeneously dispersed carbon nanofibers as discussed by the authors, and particles of the composite with a spiky ball structure are accumulated on the plating electrode during the initial stage of electroplating.