Preparation Strategies and Structural Characterization of Selenium Modified Ruthenium Nano-Particles as Cathode Catalyst for PEM Fuel Cells.

2008 ◽  
Keyword(s):  
Fuel Cells ◽  
Structural Characterization ◽  
Pem Fuel Cells ◽  
Nano Particles ◽  
Cathode Catalyst

scholarly journals MICROWAVE ASSISTED SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF NICKEL OXIDE NANOPARTICLES

2016 ◽  
Vol 3 (1) ◽  
pp. 12-14
Author(s):  
Kalpanadevi K ◽  
Manimekalai R
Keyword(s):  
Electron Microscope ◽  
Nickel Oxide ◽  
Structural Characterization ◽  
Nano Particles ◽  
Microwave Assisted Synthesis ◽  
Nio Nanoparticles ◽  
Nickel Oxide Nanoparticles ◽  
Transmission Electron ◽  
Good Crystallinity

Nickel oxide (NiO) nano-particles were produced via a simple microwave method from the Ni(OH)2 precursor, which was obtained by slow drop-wise addition of 0.1M sodium hydroxide to 0.1M nickel nitrate. The mixture was vigorously stirred until the pH reached 7.2. The mixture was then irradiated with microwave to deposit Ni(OH)2 at a better precipitation rate. Drying the precipitate at 320°C resulted in formation of NiO nanoparticles. High Resolution Transmission Electron Microscope (HRTEM), Scanning Electron Microscope (SEM) and X-ray diffraction (XRD), employed for the structural characterization of the as-prepared NiO nanoparticles, revealed their good crystallinity and high-purity. Microwave irradiation increased homogeneity and decreased the mean particle size of the produced NiO particles.

scholarly journals Impedance Spectroscopy Characterization of PEM Fuel Cells with Fe-N-C-Based Cathodes

2019 ◽  
Vol 166 (10) ◽  
pp. F653-F660 ◽  
Author(s):  
Tatyana Reshetenko ◽  
Alexey Serov ◽  
Andrei Kulikovsky ◽  
Plamen Atanassov
Keyword(s):  
Fuel Cells ◽  
Impedance Spectroscopy ◽  
Pem Fuel Cells

scholarly journals Analytical modeling framework for performance degradation of PEM fuel cells during startup–shutdown cycles

RSC Advances ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 2216-2226
Author(s):  
Yunqi Li ◽  
Xiran Chen ◽  
Yuwei Liu ◽  
Danping Xiong ◽  
Jing Li ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Analytical Modeling ◽  
Catalyst Layer ◽  
Pem Fuel Cells ◽  
Performance Degradation ◽  
Cathode Catalyst ◽  
Modeling Framework ◽  
Carbon Corrosion ◽  
Cathode Catalyst Layer

An analytical modeling framework coupling carbon corrosion and an agglomerate model is established to predict the performance degradation of the cathode catalyst layer (cCL) during startup–shutdown cycles.

Characterization of Membrane Electrode Assemblies for High-Temperature PEM Fuel Cells

Fuel Cells ◽  
2016 ◽  
Vol 16 (5) ◽  
pp. 577-583 ◽  
Author(s):  
M. Rau ◽  
A. Niedergesäß ◽  
C. Cremers ◽  
S. Alfaro ◽  
T. Steenberg ◽  
...  
Keyword(s):  
Fuel Cells ◽  
High Temperature ◽  
Pem Fuel Cells ◽  
Membrane Electrode ◽  
Membrane Electrode Assemblies ◽  
Electrode Assemblies ◽  
High Temperature Pem
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