... An examination of the evolution mechanism during electrochemical dealloying is of value for realizing an adjustable morphology and controllable composition. We focused on the corrosion rate of alloy components in the synthesis of nanoporous metals through electrochemical dealloying. Figure 7( a ) shows...

... stable layered battery cathodes. transition metal dissolution layered cathode lithium-ion battery corrosion in-situ X-ray imaging advanced materials characterization batteries Fig. 1 The SEM images of ( a ) PC-NCM, ( b ) SC-NCM, and ( c ) and ( d ) Zr-SC-NCM. The experiment...

...Mohamed E. Mohamed; Beshier A. Abd-El-Nabey Superhydrophobic cobalt and cobalt–graphene films were fabricated on copper bipolar plates (BPPs) using potentiostatic electrodeposition to improve their corrosion resistance and surface conductivity. A scanning electron microscope (SEM) was used to study...

... reference electrode DHE PEMFC corrosion bipolar plate fuel cell Among the new technologies for energy, fuel cells, and in particular, proton exchange membrane fuel cell (PEMFC), the latter represents an attractive solution, convenient for many applications ( 1 ). However, some technical issues...

... of these contaminants on the corrosion resistance of the nitrided layer in polymer electrolyte membrane fuel cell (PEMFC) environments is not considered significant. The nitrided sample had a much higher contact resistance than the bare one and the contact resistance increased with the nitriding time. The high...

... polymer electrolyte membrane fuel cell (PEMFC) environment, and showed excellent corrosion resistance. The XPS depth profile indicated that the passive film, which formed on the plasma-nitrided steel in the PEMFC anode environment, is composed of mixed oxides and nitrides, in which chromium oxide/nitride...

... and electrochemical corrosions in the PEM fuel cell operating environment. The major goals of this research are to find proper physical vapor deposition (PVD) coating materials which would enhance surface properties by making significant improvements on corrosion resistance and electrical conductivity at a reasonable...