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Publikováno v:
Journal of Physics: Conference Series. 1407:012006
This work presents the application of nitride membranes produced with Si-MEMS-technology as a platform to build up new membrane-electrode assemblies (MEA) for alkaline fuel cells. Active alkaline fuel cell MEAs were combined by integrating hydroxide
Publikováno v:
Electrochimica Acta. 51:1431-1436
Many technically relevant materials are non-homogeneous in structure. Their investigation requires a locally resolved surface analysis. An exact determination of the accessed area and a potentiostatic control in a three-electrode configuration are ne
Autor:
M Pilaski, M.M. Lohrengel
Publikováno v:
Electrochimica Acta. 48:1309-1313
Special optical sensors require thin film devices with a layer structure of the type glass/Al/Al2O3 with thicknesses of oxide and metal in the range of some nm. Structures comparable with a printed circuit board were written by electrochemical potent
Publikováno v:
Electrochimica Acta. 47:3395-3399
Effects of texture on the electrochemical behaviors of single grains in polycrystalline zinc were investigated using a capillary-based micro-droplet cell. Pontiodynamic sweeps and capacity measurements were carried out in pH 9 borate buffer solution.
Publikováno v:
Electrochimica Acta. 47:2127-2134
Impedance spectroscopy in a potentiostatic three-electrode configuration is extended to spatially resolved surface analysis with a resolution of about 10 μm, which is interesting for very many technical systems. Dot-by-dot experiments or complete su
Publikováno v:
Electrochimica Acta. 47:137-141
The Scanning Droplet Cell can be used on wetting and non-wetting samples. It uses the common three-electrode configuration together with all the potentiostatic or galvanostatic techniques like impedance spectroscopy and cyclic voltammetry. The resolu
Publikováno v:
Ionics. 5:23-30
The high field model had to be modified for the anodic growth of amorphous oxide films (Al, Nb, and Ta). Mobile ions are only formed at the interfaces and migrate through the film. Simulations based on this assumption show a very similar shape of cur
Autor:
Darren R. Korber, T. Birkham, M.J. Hendry, A. Bressel, M. Pilaski, Gideon M. Wolfaardt, M.N. Gardner, Andrew J. Sousa
Publikováno v:
Biotechnology and bioengineering. 100(1)
A solid, porous matrix was used to establish steady-state concentration profiles upon which microbial responses to concentration gradients of nutrients or antimicrobial agents could be quantified. This technique relies on the development of spatially
Publikováno v:
Fresenius' journal of analytical chemistry. 367(4)
A new electrochemical device, the scanning droplet cell, is presented. Small electrolyte droplets are positioned on the sample surface and enable a spatially resolved surface analysis or modification. The droplet is simply held by its surface tension