By Marta Boaro, Aricò Antonino Salvatore
In this ebook famous specialists spotlight state of the art examine priorities and speak about the state-of-the-art within the box of reliable oxide gas cells giving an replace on particular matters resembling protonic conductors, interconnects, electrocatalytic and catalytic strategies and modelling approaches.Fundamentals and advances during this box are illustrated to aid younger researchers tackle matters within the characterization of fabrics and within the research of approaches, rarely tackled in scholarly books.
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Additional resources for Advances in Medium and High Temperature Solid Oxide Fuel Cell Technology
The left part of Fig. 11 clearly illustrates the issue of inaccurate temperature measurements due to the position of the thermocouples “away” from the spot of the electrochemical reactions. In Fig. 5 A/cm2 (fuel cell mode), and at each current density, the cell temperature was measured by thermocouples close to the cell via drilled holes in the alumina test house and plotted as “+” in Fig. 11 (top). Furthermore, the ohmic resistance was obtained from each of the recorded impedance spectra, and from the obtained ohmic resistance, the corresponding change in cell temperature was calculated (based on materials’ conductivity).
2009a, b) will monitor the voltage across the cell at the fuel inlet part of the cell while the voltage difference between probe 2 and 4 will monitor the voltage across the cell at the fuel outlet part of the cell. , the voltage difference between probe 3 and 4 in Fig. 10 will measure the in-plane voltage difference between inlet and outlet for the fuel side of the cell. This voltage difference will of course be small compared to the cell voltage but in-plane voltage measurement will provide information on differences in current density from one region of the electrode compared to another region of the same electrode.
2013). Testing of short stacks, sometimes named single repeating units (SRU), includes interconnects for current collection. , effects of corrosion of interconnect material, poisoning electrodes due to interconnects, and contacting issues. Detailed probing of voltages, gas compositions, temperature, and impedance measurements can still be obtained for SRU. If stacks are to be tested as a part of development of a commercial product, it is desirable to test a complete system including balance-of-plant components.
Advances in Medium and High Temperature Solid Oxide Fuel Cell Technology by Marta Boaro, Aricò Antonino Salvatore