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Keywords: microstructure
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2023, 20(3): 031007.
Paper No: JEECS-22-1115
Published Online: October 7, 2022
.... In this study, we fabricate nanoporous Cu using chemical and electrochemical dealloying methods based on a Cu-Ga alloy. The effects of the dealloying conditions on the derived microstructure of the nanoporous metal and its evolution mechanisms are discussed. Analysis and control of the electrochemical...
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. May 2021, 18(2): 021002.
Paper No: JEECS-19-1174
Published Online: July 17, 2020
...Alex P. Cocco; Kyle N. Grew The analytical transport network (ATN) model for flow through microstructural networks is extended to linearly coupled flows subject to Onsager reciprocity. Electrokinetic flow is used as an example system. Through the extension, we gain an improved understanding...
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. May 2021, 18(2): 021003.
Paper No: JEECS-19-1175
Published Online: July 17, 2020
...Alex P. Cocco; Kyle N. Grew The analytical transport network (ATN) model was developed to study transport through heterogeneous and hierarchical microstructural networks. Here, ATN is extended to electrokinetic flow, a linear, coupled flow that satisfies Onsager’s reciprocity relations. In Part 1...
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Electrochem. En. Conv. Stor. February 2016, 13(1): 011009.
Paper No: JEECS-15-1010
Published Online: August 1, 2016
... been performed to compare the effects of microstructure on the performance of SOFCs and solid oxide electrolysis cells (SOECs) operating in H 2 –H 2 O and CO–CO 2 gas streams. Compared to the H 2 –H 2 O system, the power density of the CO–CO 2 system shows a greater sensitivity to pore microstructure...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. December 2011, 8(6): 061006.
Published Online: September 26, 2011
... relatively high current density conditions. The optimization results are dependent on the operating conditions. The effects of inlet mass flow rates and fuel compositions are investigated. The proposed approach provides a systematical method for electrode microstructure designs of high performance SOFCs...
Journal Articles
Publisher: ASME
Article Type: Technology Review
J. Electrochem. En. Conv. Stor. June 2011, 8(3): 034001.
Published Online: March 1, 2011
... structure in microscale or even in nanoscale. In this paper, the properties of nano-/microstructures are outlined, and the physical and chemical processes are analyzed on the Pt surfaces. A software package of automatic simulation environment is developed and applied to investigate the electronic structure...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. November 2009, 6(4): 041016.
Published Online: August 17, 2009
... mV between 1.2 and 1.3 A ∕ cm 2 . The microstructure of the cathode was such that no gas diffusion problems occurred. Earler investigations ( 10 11 12 13 ) have shown that because of their excellent electrochemical properties K 2 Ni F 4 -type materials can be candidates...
Journal Articles
Publisher: ASME
Article Type: Special Section On The 2Nd European Fuel Cell Technology And Applications Conference
J. Electrochem. En. Conv. Stor. May 2009, 6(2): 021302.
Published Online: February 26, 2009
...-supported cells, namely, those employing either La 0.65 Sr 0.3 MnO 3 (LSM) or La 0.58 Sr 0.4 Co 0.2 Fe 0.8 O 3 − δ (LSCF) cathode materials. In both cases the optimization of processing and microstructural parameters resulted in satisfactory power output and long-term stability at reduced operation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2009, 6(1): 011007.
Published Online: November 4, 2008
... with screen-printed porous CGO interlayer and a PSCF cathode was excellent. Even at 650 ° C , the area-specific resistance was lower than 0.5 Ω cm 2 . The microstructure of the cathode and the performance of this type of SOFC were not obviously affected by variations in the sintering temperature...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2009, 6(1): 011006.
Published Online: November 4, 2008
.... microstructure hydrophobic micro-pillared structure electrode PEMFC DMFC These researches indicate that the increase of the number of possible reaction sites by the use of PFSI, PTFE-C, and Pt ∕ C in the catalyst layer depends very strongly on their relative composition, fabricating...
Journal Articles
Publisher: ASME
Article Type: First China-Japan Workshop On Solid Oxide Fuel Cells
J. Electrochem. En. Conv. Stor. August 2008, 5(3): 031203.
Published Online: May 23, 2008
.... In comparison, similar microstructural characteristics were found for Ce 0.8 M 0.2 O 2 − δ ( M = Mn , Fe , Cu ) . However, Ce 0.8 Ni 0.2 O 2 − δ exhibits poor microstructure with large cracks. The electrochemical oxidation of wet hydrogen and wet methane was investigated with impedance spectroscopy by using...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. May 2008, 5(2): 021006.
Published Online: April 11, 2008
...-7753 10.1016/j.jpowsour.2004.11.069 , 144 , pp. 77 – 82 . Ngo , N. D. , and Tamma , K. K. , 2004 , “ Complex Three-Dimensional Microstructural Permeability Prediction of Porous Fibrous Media With and Without Compaction ,” Int. J. Numer. Methods Eng. 0029-5981 , 60 , pp. 1741...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. November 2006, 3(4): 415–421.
Published Online: March 1, 2006
...Josef Mertens; Vincent A. C. Haanappel; Christian Wedershoven; Hans-Peter Buchkremer One of the main targets in the development of anode-supported solid oxide fuel cell (SOFCs) is to improve the electrochemical performance. This can be achieved by optimizing processing and microstructural...
Journal Articles
Publisher: ASME
Article Type: Special Issue Research Papers
J. Electrochem. En. Conv. Stor. August 2006, 3(3): 263–270.
Published Online: January 11, 2006
... been taken at Forschungszentrum Jülich to lower the operating temperatures while maintaining the power output. This was achieved by optimizing processing and microstructural parameters of the electrodes. This paper presents the latest results concerning performance improvement through variations...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. May 2006, 3(2): 125–130.
Published Online: December 1, 2005
... compounds manganese compounds solid oxide fuel cell (SOFC) cathode LSM microstructure anode-supported During the last few decades, research on solid oxide fuel cells (SOFCs) has been significantly intensified. Research targets the improvement of long-term durability and reliability...