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Keywords: electrical conductivity
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Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Electrochem. En. Conv. Stor. May 2017, 14(2): 024501.
Paper No: JEECS-17-1005
Published Online: May 9, 2017
... rapidly declined and stabilized at about 70 mAh g −1 after 20 cycles. Differential capacity and electrochemical impedance analysis indicated that Li 2 MnSiO 4 exhibited lower electric conductivity and higher electrochemical irreversibility than Li 2 FeSiO 4 , which caused its poor electrochemical...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. August 2014, 11(4): 041006.
Paper No: FC-13-1060
Published Online: March 21, 2014
... and reduced atmosphere. La 0.5 Sr 0.2 TiO 2.95 material has an electrical conductivity at 800 °C of 1 S cm −1 under moist hydrogen (H 2 /H 2 O (3%)), reaching 10 S cm −1 when LSTO is prereduced under Ar/H 2 (5%). The polarization resistance of La 0.5 Sr 0.2 TiO 2.95 at 800 °C under moist hydrogen is about...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2012, 9(1): 011016.
Published Online: December 27, 2011
..., electrochemistry, electrical conduction, and diffusion physics. This model was built using the actual button cell testing geometry and using experimental data for validation purposes. The objective of this study is to understand the effects of the testing setup used on the cell performance and to recommend...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. October 2011, 8(5): 051011.
Published Online: June 20, 2011
... exchange membrane fuel cells (PEMFC) applications. 14 10 2010 02 04 2011 20 06 2011 20 06 2011 electrical conductivity permeability proton exchange membrane fuel cells proton exchange membrane polyurethane sulfonic group fuel cell ionomer The growing scarcity...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2011, 8(4): 041012.
Published Online: April 1, 2011
... in view of its high ionic conductivity and performance ( 4 5 6 7 ). two phase oxides carbonates nanocomposite electrical conductivity cerium compounds differential scanning calorimetry electrochemical impedance spectroscopy electrolytes gadolinium compounds ion exchange ionic...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2011, 8(4): 041001.
Published Online: March 25, 2011
... buffer layers cerium compounds electrical conductivity electrochemical electrodes gadolinium compounds MOCVD sintering solid oxide fuel cells thin films For high performance anode supported solid oxide fuel cells (SOFCs), mixed ionic electronic conducting cathode materials such as LSCF...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2011, 8(3): 031010.
Published Online: February 22, 2011
.... The nanostructure of the anode has been studied by high-resolution electron microscopy, the crystal structure and lattice parameters have also been studied by X-ray diffraction. The electrical conductivity of the composite anode was studied by electrochemical impedance spectra. 07 04 2010 15 09 2010...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2010, 7(3): 031020.
Published Online: March 17, 2010
... to simulate the anode or the Ni-mesh, can be seen. The EDX analysis showed that neither any of the alloying elements of Crofer 22 APU nor of Cu could be found in the Ni layer; also no Ni was detected in the steel substrate. Figure 8 shows the temperature dependence of the electrical conductivity...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2009, 6(3): 031012.
Published Online: May 14, 2009
... has shown the lowest gas permeability of 1 × 10 − 6 l cm − 2 s − 1 at a differential pressure of 3 atm measured with He gas. The electrical conductivity of anode support brazed with BNi2 showed 450 S cm − 1 at 750 ° C and stable value even at the long-term and thermal cycle tests. The brazed anode...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2008, 5(3): 031008.
Published Online: May 23, 2008
... of electrically conductive materials fabricated via a twin-screw extrusion process followed by selective extraction of one of the two polymers. The matrix consisted of low-viscosity polypropylene and polystyrene (PS) and the conductive additives were composed of high specific surface area carbon black...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2008, 5(1): 011001.
Published Online: January 16, 2008
... by milling the foam has been calcined for 4 h at 600–800°C as a function of composition. According to literature Co 3 O 4 , Co 2 MnO 4 , and CuMn 1.8 O 4 spinels have been selected in the present work on the basis of electrical conductivity and thermal...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Electrochem. En. Conv. Stor. February 2007, 4(1): 45–48.
Published Online: April 4, 2006
... reported to suffer from insufficient conductivity. So, in this work, in order to enhance the electrical conductivity in the catalyst layer and to increase the catalytic activity, the Raney-nickel catalysts were alloyed with carbon in a planetary-type ball mill. In some samples platinum was added chemically...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Electrochem. En. Conv. Stor. May 2006, 3(2): 220–223.
Published Online: November 18, 2005
... exchange membrane fuel cells electrochemical electrodes membranes electrical conductivity current density Critical proton exchange membrane (PEM) electrolyzer parameters like membrane conductivity, thickness, and type as well as exchange current densities are typically deemed proprietary...
Journal Articles
Publisher: ASME
Article Type: Design Innovations
J. Electrochem. En. Conv. Stor. November 2005, 2(4): 290–294.
Published Online: March 9, 2005
... 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...