نتایج جستجو برای: potentiostatic polarization
تعداد نتایج: 66941 فیلتر نتایج به سال:
Development of Li + -containing electrolytes with improved transport properties requires reliable, reproducible, and ideally low volume techniques to rigorously understand ion-transport varying composition. Precisely measuring the complete set coefficients in liquid under battery-relevant operating conditions is difficult reliability these methods are sparsely described electrolyte literature. ...
In this work, the characteristics of passive films formed on as-cast Ti-6Al-4V before and after transpassivation by electrochemical methods will be studied. A simulated body fluid Hank’s solution was used as electrolyte in work. According to potentiodynamic polarization test, passivation range, transpassive repassivation range were obtained. Afterward, potentiostatic employed passivate both ran...
Magnesium bipolar plates (BPPs) offer great advantage in realizing the ultra-lightweight target of proton exchange membrane fuel cells (PEMFCs). However, high corrosion tendency limits its application. To improve resistance and surface conductivity Mg BPPs, a novel Graphite paper/Cu coating is proposed this study. 24 h potentiostatic polarization results reveal that current density coated speci...
The state of the electrochemical behaviour Al electrode in aqueous solutions containing Na2MoO4 + H3PO4 chitosan was investigated by methods currentless chronopotentiometry, chronoamperometry, optical and scanning electron microscopy. modification surface polymolybdate phosphate layers carried out a potentiostatic mode potentials range from ?1 to ?3 V polarization time (from 15 90 min). element...
Float currents are steady-state self-discharge after a transient phase—caused by anode overhang, polarization, etc.—is accomplished. The float current is measured in this study with standard test bench for five 18650 cells (Samsung 25R) at potentiostatic conditions while the temperature changed 5 K steps from °C to 60 °C. entire performed about 100 days resulting 12 measurement points per cell ...
Thin films of neutral copper dithiolenes have been prepared by potentiostatic electrodeposition. This method allows the isolation of near infrared (NIR) active species, in a useable form, that are otherwise unobtainable by conventional chemical methods.
Abstract: In chloride salt solutions, titanium alloys exhibit reasonably high pitting potentials as high as +10 V (vs. Ag/AgCl) at room temperatures. On the other hand, anodic pitting potentials are significantly lower in bromide solutions. In this study, pitting corrosion of commercially pure titanium in aqueous NaBr solution of 0.1 M concentration at room temperature was studied and the e...
As promising materials for bipolar plates substrate, as-cold rolled Ti-0.3Ni (wt.%) sheets were heat treated with three different processes in this work. As-cold consist of α matrix and dispersed Ti2Ni intermetallic precipitates, typical Widmanstatten microstructure can be observed after treatment. Lamellar precipitates inside the colonies. Elongation equals less than 7% while value rises up to...
We report a protocol of CdS-labeled sandwich-type amperometric bioanalysis with high sensitivity, on the basis of simultaneous chemical-dissolution/cathodic-enrichment of the CdS quantum dot biolabel and anodic stripping voltammetry (ASV) detection of Cd directly on the bioelectrode. We added a microliter droplet of 0.1 M aqueous HNO₃ to dissolve CdS on the bioelectrode and simultaneously achie...
We introduce a method of exploring potential energy contours in complex dynamical systems based on potentiostatic kinematics wherein the are evolved with minimal changes to their energy. construct simple iterative algorithm for performing kinematics, which uses an estimate curvature predict new configurations space coordinates contour and potentiostat term component correct errors prediction. O...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید