... estimation based on electrochemical impedance spectroscopy (EIS) and an algorithm fused by Elman neural network and cuckoo search (CS-Elman) is proposed. First, by extracting 19 features of EIS and using principal component analysis to reduce dimension, we obtain four principal components as model inputs...

... received January 28, 2016; final manuscript received June 16, 2016; published online July 6, 2016. Assoc. Editor: San Ping Jiang. 28 01 2016 16 06 2016 gel polymer electrolytes DSSCs electrochemical impedance spectroscopy efficiency References [1] Regan , B. O...

.... Electrochemical impedance spectroscopy (EIS) was applied to measure the impedance of the single cell during degradation tests. Results indicate that the degradation of Pd/C catalyst may be attributed to the phase transition of absorbed α-phase PdH to β-phase PdH, the dissolution of Pd metal, and the size increase...

... in the measurement system and with two different electrical cables connected between the electronic load and the PEFC. The results agree with the theoretical analysis and also show that the property of causality in the Kramers-Kronig mathematical relations for electrochemical impedance spectroscopy (EIS...

.... Furthermore, the local characteristics are examined by open circuit voltage (OCV), I-V curve, and electrochemical impedance spectroscopy (EIS) measurements. The results show that the lateral impedance is substantially varied with temperature, the OCV at the center of the cell are higher than the edge...

... cobalt compounds electrochemical electrodes electrochemical impedance spectroscopy electrolytes iron compounds nickel compounds solid oxide fuel cells titanium compounds yttrium compounds zirconium compounds hydrogen SOFC anode functional layer impedance spectroscopy Co3O4-NiO-YSZ...

... of solid oxide fuel cell. 14 10 2010 24 11 2010 01 04 2011 01 04 2011 cerium compounds differential scanning calorimetry electrochemical impedance spectroscopy electrolytes gadolinium compounds ion exchange ionic conductivity nanocomposites nanofabrication particle size...

....2006.05.003 Brunetto , C. , Tina , G. , Squadrito , G. , and Moschetto , A. , 2004 , “ PEMFC Diagnostics and Modelling by Electrochemical Impedance Spectroscopy ,” Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (MELECON 2004) , Dubrovnik, Croatia, May 12–15...

... temperature monitoring or calibration of monitors of microtubular solid oxide fuel cells (MT-SOFCs) is explored. It was found that a thermographic camera is very useful to visualize the temperature gradient on the outside of a cell, while an electrochemical impedance spectroscopy method was useful...

...Shuo-Jen Lee; Kung-Ting Yang; Yu-Ming Lee; Chi-Yuan Lee In this research, electrochemical impedance spectroscopy is employed to monitor the resistance of a fuel cell during operation with different operating conditions and different materials for the bipolar plates. The operating condition...

... of both electrochemically treated and original stainless steel bipolar plates, electrochemical impedance spectroscopy (EIS) and corrosion tests were used to measure the corrosion resistance, corrosion current and the corrosion rate. The tests solution was 0.5 M H 2 SO 4 to simulate...

... , 105 , pp. 3531 – 3539 . Merida , W. , Harrington , D. A. , Le Canut , J. M. , and McLean , G. , 2006 , “ Characterization of Proton Exchange Membrane Fuel Cell (PEMFC) Failures via Electrochemical Impedance Spectroscopy ,” J. Power Sources 0378-7753 , 161 , pp. 264 – 274...

... impedance electrochemical electrodes electrochemical impedance spectroscopy electrolytes ionisation lanthanum compounds sintering solid oxide fuel cells strontium compounds thermal expansion zirconium compounds metal-supported solid oxide fuel cells cathode ionization surface exchange...

.... 3 , the test unfolding is depicted. Some results obtained from the FC characterization procedures (polarization curves and electrochemical impedance spectroscopy (EIS) measurements) are presented and some physical explanations are given about the results obtained. The PEMFC stack used...

... behavior in different carbonate melt environments. Polarization curves and electrochemical impedance spectroscopy measurements were carried out during cell lifetime (about 850 h). Finally, different compositions of the cathodic gas were used to study the influence of oxygen and carbon dioxide...

.../functional layers on the overall cell performance were systematically investigated. The parameters investigated were the (1) cathode functional layer thickness and grain size and (2) the LSM contact layer thickness. Cathode performances were tested by means of electrochemical impedance spectroscopy (EIS...

...) manufacturing is currently under development. In the present study, “symmetrical” cathode-electrolyte-cathode solid oxide fuel cell (SOFC) single cells were also fabricated and tested using electrochemical impedance spectroscopy and scanning electron microscopy. The functional and contact layer properties were...

... at 700 ° C . The maximum power density of 0.35 W ∕ cm 2 is attended. 25 04 2007 16 03 2008 06 11 2008 cobalt compounds electrochemical electrodes electrochemical impedance spectroscopy lanthanum compounds nanoparticles nanotechnology polarisation solid oxide fuel cells...

... by dropping the nitrate solution of Bi ( N O 3 ) 3 and Er ( N O 3 ) 3 ( 80 : 20 mol ratio) on the LSM electrode surface prepared on yttria stabilized zirconia by screen-printing technique. The electrode performance of the infiltrated LSM electrode was studied by electrochemical impedance spectroscopy (EIS...

... poisoning by reformed hydrogen fuel. We analyze the characteristics of the CO poisoned anode of the PEFC at 80 ° C including CO adsorption and electro-oxidation behaviors by current-voltage ( I ‐ V ) measurement and electrochemical impedance spectroscopy (EIS) to find parameters useful for the diagnosis. I...