Corrosion behavior of two bipolar plate materials in simulated PEMFC environment by electrochemical noise technique

2007 ◽  
Vol 52 (15) ◽  
pp. 5076-5085 ◽  
Author(s):  
A.-M. Lafront ◽  
E. Ghali ◽  
A.T. Morales
Keyword(s):  
Corrosion Behavior ◽  
Electrochemical Noise ◽  
Bipolar Plate

Corrosion behavior of two candidate PEMFC’s bipolar plate materials

2017 ◽  
Vol 64 (3) ◽  
pp. 293-298 ◽  
Author(s):  
Saeed Reza Allahkaram ◽  
Namdar Mohammadi
Keyword(s):  
Fuel Cells ◽  
Corrosion Behavior ◽  
Electrochemical Noise ◽  
Substantial Reduction ◽  
Bipolar Plate ◽  
Proton Exchange ◽  
Noise Measurement ◽  
Corrosion Monitoring ◽  
Bipolar Plates ◽  
Content Type

Purpose This paper aims to evaluate corrosion behavior of bare and PbO2-coated stainless steel 316L, as prospective candidates for bipolar plates, in simulated proton exchange membrane fuel cell’s (PEMFC’s) environment under operating potentials. Design/methodology/approach A set of potentiodynamic, as well as potentiostatic, electrochemical experiments was carried out under both anodic and cathodic potentials. Gathered data were analyzed via fast Fourier transform algorithm for further investigation. X-ray diffraction analysis was also used for determining coating characteristics upon completion of electrochemical experiments. Findings Results revealed that bare SS316L is a better candidate for bipolar plate material under anodic potential, as it is cathodically protected. However, PbO2-coated SS316L is favorable under cathodic potential, as bare specimen will suffer localized corrosion in the form of pitting. Research limitations/implications It would be of interest if all the experiments are carried out in a PEMFC stack. Practical implications This research strives to promote the use of electrochemical noise measurement for practical corrosion monitoring of coated bipolar plates in fuel cells. Social implications Improving the corrosion resistance of bipolar plates will expedite commercialization of PEMFCs, which in turn will translate into a substantial reduction in carbon footprint. Originality/value This research strives to promote the use of electrochemical noise measurement for practical corrosion monitoring of coated bipolar plates in fuel cells.

Evaluation of the corrosion behavior of a TiN-coated 316L SS bipolar plate using dynamic electrochemical impedance spectroscopy

2018 ◽  
Vol 42 (17) ◽  
pp. 14394-14409 ◽  
Author(s):  
S. Pugal Mani ◽  
Bhavana Rikhari ◽  
Perumal Agilan ◽  
N. Rajendran
Keyword(s):  
Electrochemical Impedance Spectroscopy ◽  
Fuel Cell ◽  
Impedance Spectroscopy ◽  
Corrosion Behavior ◽  
Proton Exchange Membrane ◽  
Electrochemical Impedance ◽  
Bipolar Plate ◽  
Proton Exchange ◽  
Exchange Membrane ◽  
Dynamic Electrochemical Impedance Spectroscopy

In the present investigation, the corrosion behavior of TiN-coated 316L SS was evaluated for use in a proton-exchange membrane fuel cell using dynamic electrochemical impedance spectroscopy (DEIS).

scholarly journals Corrosion Behavior of Al in Ethanol–Gasoline Blends

Energies ◽  
2020 ◽  
Vol 13 (21) ◽  
pp. 5544
Author(s):  
Alfredo Brito-Franco ◽  
Jorge Uruchurtu ◽  
Isai Rosales-Cadena ◽  
Roy Lopez-Sesenes ◽  
Sergio Alonso Serna-Barquera ◽  
...  
Keyword(s):  
Corrosion Behavior ◽  
Sugar Cane ◽  
Electrochemical Noise ◽  
Electrochemical Impedance ◽  
Pure Aluminum ◽  
Electrochemical Techniques ◽  
Intermediate Compound ◽  
Corrosion Process ◽  
Corrosion Rates ◽  
Adsorption Desorption

The corrosion behavior of pure aluminum (Al) in 20 v/v% ethanol–gasoline blends has been studied using electrochemical techniques. Ethanol was obtained from different fruits including sugar cane, oranges, apples, or mangos, whereas other techniques included lineal polarization resistance, electrochemical noise, and electrochemical impedance spectroscopy for 90 days. Results have shown that corrosion rates for Al in all the blends were higher than that obtained in gasoline. In addition, the highest corrosion rate was obtained in the blend containing ethanol obtained from sugar cane. The corrosion process was under charge transfer control in all blends; however, for some exposure times, it was under the adsorption/desorption control of an intermediate compound. Al was susceptible to a localized, plotting type of corrosion in all blends, but they were bigger in size and in number in the blend containing ethanol obtained from sugar cane.

scholarly journals A Separate Style of Stainless Steel Bipolar Plate for PEMFC and its Corrosion Behavior

2011 ◽  
Vol 60 (10) ◽  
pp. 432-434 ◽  
Author(s):  
Hitoshi Yashiro ◽  
Takuma Ichikawa ◽  
Seung-Taek Myung ◽  
Masanobu Kumagai ◽  
Shinji Kozutsumi
Keyword(s):  
Stainless Steel ◽  
Corrosion Behavior ◽  
Bipolar Plate

Application of Electrochemical Noise Analysis to Study the Corrosion Behavior of Aluminum Composites

1995 ◽  
Vol 142 (2) ◽  
pp. 405-410 ◽  
Author(s):  
C. Monticelli ◽  
F. Zucchi ◽  
F. Bonollo ◽  
G. Brunoro ◽  
A. Frignani ◽  
...  
Keyword(s):  
Corrosion Behavior ◽  
Electrochemical Noise ◽  
Noise Analysis ◽  
Aluminum Composites
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