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Journal articles on the topic 'Local electrochemical impedance spectroscopy'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Jorcin, Jean-Baptiste, Mark E. Orazem, Nadine Pébère, and Bernard Tribollet. "CPE analysis by local electrochemical impedance spectroscopy." Electrochimica Acta 51, no. 8-9 (2006): 1473–79. http://dx.doi.org/10.1016/j.electacta.2005.02.128.

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2

Cheng, Lei, Rong Jin, Dechen Jiang, Jian Zhuang, Xiaobo Liao, and Qiangqiang Zheng. "Scanning Electrochemical Cell Microscopy Platform with Local Electrochemical Impedance Spectroscopy." Analytical Chemistry 93, no. 49 (2021): 16401–8. http://dx.doi.org/10.1021/acs.analchem.1c02972.

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3

Huang, Nai Bao, Wan Li, Cheng Hao Liang, et al. "Using Localized Impedance Spectroscopy to Study the Effect of Loading Potential Variation on DMFC Anode Performance." Materials Science Forum 852 (April 2016): 785–91. http://dx.doi.org/10.4028/www.scientific.net/msf.852.785.

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By localized impedance spectroscopy (LEIS) and electrochemical impedance spectroscopy (EIS), the effect of loading potential variation on the performance of direct methanol fuel cell ( DMFC ) anode was studied. During surface scanning, the local impedance of the anode showed sawtooth-like distribution under potential loading, which meant the electrochemical activity in the anode surface was nonuniform. Meanwhile, the local impedance tended to increase with loading potential increasing. After loading 16h and 72h at 0.6V, the average size of catalysts changed from 3.4nm to 3.6nm and 4.4nm, incre

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4

Lillard, R. S., J. Kruger, W. S. Tait, and P. J. Moran. "Using Local Electrochemical Impedance Spectroscopy to Examine Coating Failure." CORROSION 51, no. 4 (1995): 251–59. http://dx.doi.org/10.5006/1.3293590.

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5

Gharbi, Oumaïma, Kieu Ngo, Mireille Turmine, and Vincent Vivier. "Local electrochemical impedance spectroscopy: A window into heterogeneous interfaces." Current Opinion in Electrochemistry 20 (April 2020): 1–7. http://dx.doi.org/10.1016/j.coelec.2020.01.012.

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6

Frateur, Isabelle, Vicky Mei-Wen Huang, Mark E. Orazem, Nadine Pébère, Bernard Tribollet, and Vincent Vivier. "Local electrochemical impedance spectroscopy: Considerations about the cell geometry." Electrochimica Acta 53, no. 25 (2008): 7386–95. http://dx.doi.org/10.1016/j.electacta.2008.01.012.

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7

Łosiewicz, B., Magdalena Popczyk, Agnieszka Smołka, Magdalena Szklarska, Patrycja Osak, and A. Budniok. "Localized Electrochemical Impedance Spectroscopy for Studying the Corrosion Processes in a Nanoscale." Solid State Phenomena 228 (March 2015): 383–93. http://dx.doi.org/10.4028/www.scientific.net/ssp.228.383.

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This work deals with localized electrochemical impedance spectroscopy (LEIS) which is an improved technique of the commonly used electrochemical impedance spectroscopy (EIS). Thanks to modern structural solutions, the LEIS technique ensures local impedance measurement. Therefore, it is used in the research into point corrosion, such as the pitting corrosion, and in the research into protective coatings or into alloys including alloy steels. This review paper presents the basic theory and the usability of the LEIS based on the literature on the newest research in the field of corrosion.

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8

Zhao, Jie, Hongwei Zhang, Xiaoyu Yang, Yanhong Gu, and Yida Liu. "Local Electrochemical Corrosion of 6061 Aluminum Alloy with Nano-SiO2/MAO Composite Coating." Materials 16, no. 20 (2023): 6721. http://dx.doi.org/10.3390/ma16206721.

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To improve the corrosion resistance of 6061 Al in electric vehicle battery packs, a composite coating of nano-SiO2/Micro-Arc oxidation (MAO) ceramic structure was prepared on its surface. Electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization curves (PDP) were used to evaluate the corrosion resistance of the specimens after 7 days immersion in a 3.5% NaCl solution. The corrosion resistance of the prefabricated coatings was measured via local electrochemical impedance spectroscopy (LEIS). Confocal microscopy, scanning electron microscopy (SEM), and X-ray diffraction (XRD)

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9

Yang, Xiaoyu, Yu Mo, Ting Dai, Jie Zhao, and Yanhong Gu. "Local Electrochemical Corrosion Properties of a Nano-SiO2/MAO Composite Coating on an AM60B-Mg Alloy." Materials 15, no. 11 (2022): 3999. http://dx.doi.org/10.3390/ma15113999.

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In order to improve the corrosion resistance of the automotive AM60B-Mg alloy, a nano-SiO2/MAO composite coating was prepared on the surface of the alloy. The electrochemical properties were studied in an 80 °C corrosion environment using potentiodynamic polarization tests. Local Electrochemical Impedance Spectroscopy (LEIS) was used to study the corrosion mechanisms of coating defect zone. The microstructure and phase of the samples were observed by confocal laser microscopy, scanning electron microscopy (SEM) and X-ray diffraction (XRD). Macroscopic electrochemical test results showed that t

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10

Lillard, R. S., P. J. Moran, and H. S. Isaacs. "A Novel Method for Generating Quantitative Local Electrochemical Impedance Spectroscopy." Journal of The Electrochemical Society 139, no. 4 (1992): 1007–12. http://dx.doi.org/10.1149/1.2069332.

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11

Burczyk, Lukasz, and Kazimierz Darowicki. "Local electrochemical impedance spectroscopy in dynamic mode of galvanic coupling." Electrochimica Acta 282 (August 2018): 304–10. http://dx.doi.org/10.1016/j.electacta.2018.05.192.

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12

Lakshmi-Narayana, Hussain, Mauger, and Julien. "Transport Properties of Nanostructured Li2TiO3 Anode Material Synthesized by Hydrothermal Method." Sci 1, no. 2 (2019): 39. http://dx.doi.org/10.3390/sci1020039.

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Li2TiO3 nanopowders were synthesized by hydrothermal process using anatase TiO2 and LiOH H2O as raw materials. Li2TiO3 crystallizes in the layered monoclinic structure (space group C2/c) with average crystallite size of 34 nm. Morphology, elemental composition and local structure of products were carried out using HRTEM, FESEM, EDS, Raman and FTIR spectroscopy. Transport properties investigated by d.c. (4-probe measurements) and a.c. (complex impedance spectroscopy) show the activation energy of 0.71 and 0.65 eV, respectively. The ionic transport properties of Li+ ions in nanocrystalline Li2Ti

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13

Costa de Castro Santana, Jéssica Cristina, Rejane Maria Pereira da Silva, Renato Altobelli Antunes, and Sydney Ferreira Santos. "Surface Analysis, Microstructural Characterization and Local Corrosion Processes in Decarburized SAE 9254 Spring Steel." Corrosion 75, no. 12 (2019): 1474–86. http://dx.doi.org/10.5006/3234.

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The aim of the present work was to study the surface chemistry, microstructure, and local corrosion processes at the decarburized layer of the SAE 9254 automotive spring steel. The samples were austenitized at 850°C and 900°C, and oil quenched. The microstructure was investigated using confocal laser scanning microscopy and scanning electron microscopy. The surface chemistry was analyzed by x-ray photoelectron spectroscopy. Electrochemical impedance spectroscopy and potentiodynamic polarization were used to assess the global corrosion behavior of the decarburized samples. Scanning electrochemi

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14

Souto, Ricardo M., Juan José Santana, A. G. Marques, and Alda M. Simões. "Local Electrochemical Impedance Spectroscopy Investigation of Corrosion Inhibitor Films on Copper." ECS Transactions 41, no. 25 (2019): 227–35. http://dx.doi.org/10.1149/1.3697592.

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15

Sánchez, M., N. Aouina, D. Rose, P. Rousseau, H. Takenouti, and V. Vivier. "Assessment of the electrochemical microcell geometry by local electrochemical impedance spectroscopy of copper corrosion." Electrochimica Acta 62 (February 2012): 276–81. http://dx.doi.org/10.1016/j.electacta.2011.12.041.

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16

Cornet, Marine, Arnaud Morin, Jean-Philippe Poirot-Crouvezier, and Yann Bultel. "Advanced Methodology for Emulating Local Operating Conditions in Proton Exchange Membrane Fuel Cells." Data 9, no. 12 (2024): 152. https://doi.org/10.3390/data9120152.

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This work focuses on the study of operating heterogeneities on a large MEA’s active surface area in a PEMFC stack. An advanced methodology is developed, aiming at the prediction of local operating conditions such as temperature, relative humidity and species concentration. A physics-based Pseudo-3D model developed under COMSOL Multiphysics allows for the observation of heterogeneities over the entire active surface area. Once predicted, these local operating conditions are experimentally emulated, thanks to a differential cell, to provide the local polarization curves and electrochemical imped

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17

Pereira Gomes, Maurilio, Isolda Costa, Nadine Pebere, Jesualdo Luis Rossi, Mireille Turmine, and Vincent Vivier. "Local Electrochemical Impedance Spectroscopy: Towards an Improvement in the Low Frequency Domain." ECS Meeting Abstracts MA2020-02, no. 20 (2020): 1570. http://dx.doi.org/10.1149/ma2020-02201570mtgabs.

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18

Xie, Jin Peng, Hong Yun Luo, and Jin Long Lv. "The Effect of Strain on the Impedance and Surface Potential of Austenite in 304 Stainless Steels." Materials Science Forum 749 (March 2013): 648–53. http://dx.doi.org/10.4028/www.scientific.net/msf.749.648.

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Local electrochemical technique was used to measure the impedance of austenite in AISI 304 stainless steel under tensile strain of 0%, 10%, 20%, 30%, 40%. Scanning Kelvin probe (SKP) technique was used to measure the potential distribution of the surface. The results showed that the impedance of the austenite declined with the increase of the strain and declined sharply under the strain of 30%. Potential of austenite decreased non-monotonously with increase of the strain. The potential reached the minimum under strain of 30% and then increased. Through the transmission electron microscope (TEM

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19

Ferrari, J. V., H. G. De Melo, M. Keddam, et al. "Influence of normal and radial contributions of local current density on local electrochemical impedance spectroscopy." Electrochimica Acta 60 (January 2012): 244–52. http://dx.doi.org/10.1016/j.electacta.2011.11.053.

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20

Wu, Ren Jang, and Mei Yun Chen. "Fast Detection of Local Anesthetic Ropivacaine by Impedance Method on Polypyrrole-Graphene Oxide." Advanced Materials Research 650 (January 2013): 49–53. http://dx.doi.org/10.4028/www.scientific.net/amr.650.49.

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A rapid detection of the local anesthetic ropivacaine was measured by electrochemical impedance method. Polypyrrole (Ppy) and polypyrrole (Ppy)-graphene oxide (GO) composites were prepared by electrochemical polymerization on the gold electrode as the working electrode. The electrochemical properties of the Ppy and Ppy-GO composites electrode were characterized by transmission electron microscopy (TEM), scanning electron microscope (SEM) and Fourier transform infrared spectroscopy (FTIR). Various concentrations from 1 to 20 ppm of ropivacaine were prepared in 0.9% NaCl as the sample solution.

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21

Lucas, Marie, and Jean-François Boily. "Mapping Electrochemical Heterogeneity at Iron Oxide Surfaces: A Local Electrochemical Impedance Study." Langmuir 31, no. 50 (2015): 13618–24. http://dx.doi.org/10.1021/acs.langmuir.5b03849.

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22

Lakshmi-Narayana, Hussain, Mauger, and Julien. "Transport Properties of Nanostructured Li2TiO3 Anode Material Synthesized by Hydrothermal Method." Sci 1, no. 3 (2019): 56. http://dx.doi.org/10.3390/sci1030056.

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Li2TiO3 nanopowders were synthesized by hydrothermal process using anatase TiO2 and LiOHH2O as raw materials. Li2TiO3 crystallizes in the layered monoclinic structure (space group C2/c) with average crystallite size of 34 nm. Morphology, elemental composition and local structure of products were carried out using high-resolution transmission electron microscopy, field-emission scanning electron microscopy, Raman and Fourier transform infrared spectroscopy. Transport properties investigated by d.c. (4-probe measurements) and a.c. (complex impedance spectroscopy) show the activation energy of 0.

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23

Jovic-Jovicic, Natasa, Danica Bajuk-Bogdanovic, Tatjana Novakovic, Predrag Bankovic, Aleksandra Milutinovic-Nikolic, and Zorica Mojovic. "Electrochemical properties of carbonized bentonite." Journal of the Serbian Chemical Society, no. 00 (2022): 30. http://dx.doi.org/10.2298/jsc220127030j.

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Organomodified bentonites were obtained by modification of bentonite clay from local mine Bogovina with four different alkylammonium ions in the amounts that correspond to cation exchange capacity. Carbonized bentonites, obtained by pyrolyzing the organomodified bentonites in the flow of nitrogen, were characterized using the XRD, low-temperature N2 physisorption, and Raman spectroscopy. Structural and textural properties of carbonized bentonites depended on the arrangement of alkylammonium cations in the paternal organomodified bentonite, while the Raman spectroscopy confirmed the presence of

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24

Guo, Mingxuan, Fumin Li, Lanyu Ling, and Chong Chen. "Electrochemical and atomic force microscopy investigations of the effect of CdS on the local electrical properties of CH3NH3PbI3:CdS perovskite solar cells." Journal of Materials Chemistry C 5, no. 46 (2017): 12112–20. http://dx.doi.org/10.1039/c7tc04377e.

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The effect of the incorporated CdS on the local optoelectronic properties of CH<sub>3</sub>NH<sub>3</sub>PbI<sub>3</sub>:CdS bulk heterojunction (BHJ) perovskite solar cells (PSCs) are studied using Kelvin probe force microscopy (KPFM), conductive atomic force microscopy (c-AFM) and electrochemical impedance spectroscopy (EIS).

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25

Lucas, Marie, and Jean-François Boily. "Electrochemical Response of Bound Electrolyte Ions at Oriented Hematite Surfaces: A Local Electrochemical Impedance Spectroscopy Study." Journal of Physical Chemistry C 121, no. 50 (2017): 27976–82. http://dx.doi.org/10.1021/acs.jpcc.7b08157.

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26

Mouanga, M., M. Puiggali, B. Tribollet, V. Vivier, N. Pébère, and O. Devos. "Galvanic corrosion between zinc and carbon steel investigated by local electrochemical impedance spectroscopy." Electrochimica Acta 88 (January 2013): 6–14. http://dx.doi.org/10.1016/j.electacta.2012.10.002.

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27

Alexander, Christopher Lewis, Justin Silnutzer, and Stanley Agbakansi. "(Digital Presentation) Bipolar Electrochemical Impedance Spectroscopy for Corrosion Monitoring of Steel Reinforced Cementitious Structural Components." ECS Meeting Abstracts MA2022-02, no. 10 (2022): 701. http://dx.doi.org/10.1149/ma2022-0210701mtgabs.

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Bipolar electrochemical impedance spectroscopy (BPEIS) was previously explored as a potential nondestructive method for detecting corrosion of steel in post-tensioned tendons which are used as reinforcing structural elements in segmental bridge construction. The tendons are composed of a grout-filled cylindrical plastic duct that contains high-strength steel strands. A proof of concept was demonstrated by experiments performed on tendons with passive and corroded strands and through finite-element simulations of the indirect impedance response1. Further work showed that bipolar impedance was s

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28

Durkin, David P., Christopher D. Stachurski, Tyler Cosby, Nathaniel E. Larm, James H. Davis, and Paul C. Trulove. "Electrochemical Approach for Studying Local Dynamic Heterogeneity of Ionic Liquids Applied to Neoteric Boroniums." ECS Meeting Abstracts MA2023-02, no. 56 (2023): 2722. http://dx.doi.org/10.1149/ma2023-02562722mtgabs.

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Ionic liquids (ILs) are liquid salts (below ca. 100 °C) whose ions can be designed to impart unique physicochemical properties. An emergent class of ILs based on the boronium cation (BILs) can have unique zwitterionic structure within the cation that presents potential for electrochemical applications. In the present study we first show how broadband dielectric spectroscopy (BDS) can be used to evaluate local dynamic heterogeneity in imidazolium-based ionic liquid systems. We then apply this approach to a series of BILs (coupled with the bis(trifluoro-methanesulfonyl)imide ([Tf2N]–) anion), wh

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29

Baril, Geneviève, Christine Blanc, Michel Keddam, and Nadine Pébère. "Local Electrochemical Impedance Spectroscopy Applied to the Corrosion Behavior of an AZ91 Magnesium Alloy." Journal of The Electrochemical Society 150, no. 10 (2003): B488. http://dx.doi.org/10.1149/1.1602080.

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30

Carbonell, Diógenes J., Rodrigo Montoya, Victoria J. Gelling, Juan Carlos Galván, and Antonia Jiménez-Morales. "Enhancing the Corrosion Protection of AA2024-T3 Alloy by Surface Treatments Based on Piperazine-Modified Hybrid Sol–Gel Films." Metals 10, no. 4 (2020): 539. http://dx.doi.org/10.3390/met10040539.

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The aim of this study was to develop new chrome-free surface pretreatments for AA2024-T3 aluminum alloy. These pretreatments were based on hybrid organic–inorganic sol–gel thin films prepared from mixtures of γ-methacryloxypropyltrimethoxysilane (MAPTMS) and tetramethylorthosilicate (TMOS). Different MAPTMS/TMOS molar ratios were used for optimizing the physical–chemical characteristics of the sol–gel films. The formulation of a set of these sols was modified by incorporating piperazine (1,4-diazacyclohexane) as a corrosion inhibitor. The resulting sol–gel films were characterized by using Fou

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31

Kant, Rama, Shweta Dhillon, and Rajesh Kumar. "Anomalous Localization of Electrochemical Activity in Reversible Charge Transfer at a Weierstrass Fractal Electrode: Local Electrochemical Impedance Spectroscopy." Journal of Physical Chemistry B 119, no. 34 (2015): 10876–87. http://dx.doi.org/10.1021/jp512297f.

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32

Wan, Li, Yinghua Wei, Hongtao Zhao, Haijiao Cao, and Jing Li. "Influence of Microdefect Size on Corrosion Behavior of Epoxy-Coated Rebar for Application in Seawater-Mixed Concrete." Coatings 11, no. 4 (2021): 439. http://dx.doi.org/10.3390/coatings11040439.

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Corrosion behavior of epoxy-coated rebar with different size of microdefects in uncarbonated/carbonated simulated pore solution (U/CSPS) of seawater concrete was investigated. Specimens in both solutions underwent two stages of corrosion, according to the electrochemical impedance spectroscopy (EIS) response. The initial stage was the extension of corrosion. The second stage was dominated by the diffusion process, due to the corrosion products blocking the defects and hindering the transportation of the reaction matter. Local electrochemical impedance spectroscopy (LEIS), scanning vibrating el

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33

Zhang, Wenjuan, Wei Cheng, Ramato Ashu Tufa, et al. "Studies on Anion Exchange Membrane and Interface Properties by Electrochemical Impedance Spectroscopy: The Role of pH." Membranes 11, no. 10 (2021): 771. http://dx.doi.org/10.3390/membranes11100771.

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Ion-exchange membranes (IEMs) represent a key component in various electrochemical energy conversion and storage systems. In this study, electrochemical impedance spectroscopy (EIS) was used to investigate the effects of structural changes of anion exchange membranes (AEMs) on the bulk membrane and interface properties as a function of solution pH. The variations in the physico/electrochemical properties, including ion exchange capacity, swelling degree, fixed charge density, zeta potentials as well as membrane and interface resistances of two commercial AEMs and cation exchange membranes (CEM

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34

Liu, Jie, Bin Wang, Lei Zhu, Tian Yuan Luo, and Wei Wang. "Correlation between EIS and Potential Distribution for Carbon Steel under Epoxy Coating." Applied Mechanics and Materials 313-314 (March 2013): 249–53. http://dx.doi.org/10.4028/www.scientific.net/amm.313-314.249.

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The potential distribution of carbon steel under epoxy coating exposed to natural seawater was investigated by the wire beam electrode (WBE) technique. The electrochemical impedance spectroscopy (EIS) of the WBE was characterized to analyze the behaviour of the coating degradation and metal corrosion at coating/metal interface. The mechanism of coating degradation was discussed from a point of electrochemical distribution. This research showed that the potential distribution had a close relationship with the characteristic of EIS in local area. The combined method can help us better understand

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35

Zhang, Qingxin, Hooman Homayouni, Byron D. Gates, Michael H. Eikerling, and Amir M. Niroumand. "Electrochemical Pressure Impedance Spectroscopy for Polymer Electrolyte Fuel Cells via Back-Pressure Control." Journal of The Electrochemical Society 169, no. 4 (2022): 044510. http://dx.doi.org/10.1149/1945-7111/ac6326.

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Electrochemical pressure impedance spectroscopy (EPIS) analyses the voltage response of a polymer electrolyte fuel cell (PEFC) as a function of an applied pressure signal in the frequency domain. EPIS is similar to electrochemical impedance spectroscopy (EIS) and its development was inspired by the diagnostic capabilities of the latter. The EPIS introduced in this work modulates the cathode pressure of a PEFC with a sinusoidal signal through the use of a back-pressure controller, and monitors the cell voltage while holding the cell at a constant current. A sinusoidal pressure wave propagates a

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36

Schön, Nino, Deniz Cihan Gunduz, Shicheng Yu, Hermann Tempel, Roland Schierholz, and Florian Hausen. "Correlative electrochemical strain and scanning electron microscopy for local characterization of the solid state electrolyte Li1.3Al0.3Ti1.7(PO4)3." Beilstein Journal of Nanotechnology 9 (May 28, 2018): 1564–72. http://dx.doi.org/10.3762/bjnano.9.148.

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Correlative microscopy has been used to investigate the relationship between Li-ion conductivity and the microstructure of lithium aluminum titanium phosphate (Li1.3Al0.3Ti1.7(PO4)3, LATP) with high spatial resolution. A key to improvement of solid state electrolytes such as LATP is a better understanding of interfacial and ion transport properties on relevant length scales in the nanometer to micrometer range. Using common techniques, such as electrochemical impedance spectroscopy, only global information can be obtained. In this work, we employ multiple microscopy techniques to gain local ch

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37

Zhao, Lei, Jichao Hong, Jiaping Xie, et al. "Investigation of local sensitivity for vehicle-oriented fuel cell stacks based on electrochemical impedance spectroscopy." Energy 262 (January 2023): 125381. http://dx.doi.org/10.1016/j.energy.2022.125381.

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38

Vitarelli, Michael J., та David S. Talaga. "Theoretical models for electrochemical impedance spectroscopy and local ζ-potential of unfolded proteins in nanopores". Journal of Chemical Physics 139, № 10 (2013): 105101. http://dx.doi.org/10.1063/1.4819470.

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39

Rajan, Viswanathan, and Lakshman Neelakantan. "On the corrosion behavior of Al2Cu by local electrochemical impedance spectroscopy using droplet cell microscopy." Journal of Solid State Electrochemistry 21, no. 2 (2016): 603–9. http://dx.doi.org/10.1007/s10008-016-3388-z.

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40

Schneider-Coppolino, Merissa, Qingxin Zhang, Amir Niroumand, Hooman Homayouni, and Byron D. Gates. "Dampening Humidifier Effects on Electrochemical Pressure Impedance Spectroscopy (EPIS) Fuel Cell Diagnostics." ECS Meeting Abstracts MA2024-01, no. 1 (2024): 124. http://dx.doi.org/10.1149/ma2024-011124mtgabs.

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Fuel cells are versatile, low-emission alternative energy sources, but their optimization and failure analyses are complex due to their black-box nature. Conventional in-situ diagnostic techniques such as electrochemical impedance spectroscopy (EIS), are widely used to deconvolute transient processes within operating fuel cells. EIS is invaluable to understanding some of these processes, but other processes within the cell, such as mass transport and individual water fluxes, get overshadowed and are hard to detect. In an effort to provide information that is currently unattainable with convent

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41

Schneider-Coppolino, Merissa, Qingxin Zhang, Amir Niroumand, Hooman Homayouni, and Byron D. Gates. "Effects of Fuel Cell Operating Conditions on Electrochemical Pressure Impedance Spectroscopy (EPIS) Diagnostics." ECS Meeting Abstracts MA2024-01, no. 53 (2024): 2846. http://dx.doi.org/10.1149/ma2024-01532846mtgabs.

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Fuel cells are versatile, low-emission alternative energy sources, but their optimization and failure analyses are complex due to their black-box nature. Conventional in-situ diagnostic techniques such as electrochemical impedance spectroscopy (EIS), are widely used to deconvolute transient processes within operating fuel cells. EIS is invaluable to understanding some of these processes, but other processes within the cell, such as mass transport and individual water fluxes, get overshadowed and are hard to detect. In an effort to provide information that is currently unattainable with convent

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42

Oliveira, Thawan G., Irlan S. Lima, Wilson A. Ameku, et al. "Laser-Scribed Pencil Lead Electrodes for Amperometric Quantification of Indapamide." Chemosensors 11, no. 12 (2023): 574. http://dx.doi.org/10.3390/chemosensors11120574.

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Laser engraving is a convenient, fast, one-step, and environmentally friendly technique used to produce more conductive surfaces by local pyrolysis. The laser’s thermal treatment can also remove non-conductive materials from the electrode surfaces and improve electrochemical performance. The improvement was assessed by electrochemical tools such as cyclic voltammograms and electrochemical impedance spectroscopy using [Fe(CN)6]3−/4− and dopamine as redox probes. The electrochemical results observed showed that a treated surface showed an improvement in electron transfer and less resistance to c

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43

Goyal, Priyamvada, and Charles W. Monroe. "Mechanical Basis of Nafion’s High-Frequency Inductive Impedance." ECS Meeting Abstracts MA2018-01, no. 32 (2018): 1990. http://dx.doi.org/10.1149/ma2018-01/32/1990.

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Recent literature has highlighted how the coupling of electrochemical and mechanical phenomena can affect the way batteries and fuel cells perform [1, 2]. Local volume changes and stresses due to water transport play critical roles in the operation of polymer exchange membranes. A non-isobaric version of Newman’s concentrated-solution theory [3] was applied to study hydrated ionomers, in which mechanical effects intricately entangle the transport of material, momentum, and energy. Electrochemical impedance spectroscopy (EIS) provides a useful tool to study the most pronounced effects arising f

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44

Liu, Junbo, Shuming Wen, Qicheng Feng, et al. "Mechanism of Depression by Fe3+ During Hemimorphite Flotation." Minerals 10, no. 9 (2020): 790. http://dx.doi.org/10.3390/min10090790.

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Sulfide hemimorphite can be depressed by Fe3+ during flotation. In this study, the depression mechanism was studied by microflotation, inductively-coupled plasma mass spectrometry, local electrochemical impedance spectroscopy (LEIS), and X-ray photoelectron spectroscopy (XPS). Flotation test results suggested that sulfated hemimorphite can be depressed by Fe3+ across the entire pH range. LEIS, adsorption analysis, and XPS indicated that S species were adsorbed on hemimorphite as ZnS. The sulfide film was attenuated and no adsorbed Fe species were found after treatment with Fe3+. The results in

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Kee, Robert J., Tyler A. P. Evans, Robert M. Hoffman, Huayang Zhu, Felix Gerbig, and Tyrone Vincent. "Extraction of Electrochemical Impedance Spectra from Physical Models." ECS Meeting Abstracts MA2022-01, no. 2 (2022): 184. http://dx.doi.org/10.1149/ma2022-012184mtgabs.

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Electrochemical impedance spectroscopy (EIS) is used widely to assist the understanding and interpretation of electrochemical cells, including batteries, fuel cells, electrolyzers, etc. The measured spectra, often illustrated in terms of Nyquist plots, are typically interpreted in terms of equivalent-circuit models. The present approach is to interpret EIS using physical models. In principle, virtually any physical model that represents physics and chemistry in terms of conservation equations can be written abstractly as Eqs. 1-2, where x is the state vector, u is the actuation vector, yis the

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Gonzalez Rodriguez, C. A., G. Galicia Aguilar, A. T. Velazquez Sanchez, and H. Cruz Mejia. "Evaluation of the Degree of Sensitization of a Stainless Steel 304 Using Local Electrochemical Impedance Spectroscopy." ECS Transactions 47, no. 1 (2013): 123–29. http://dx.doi.org/10.1149/04701.0123ecst.

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Zhu, Lijun, Jian Wang, Yutao Wang, Bin Pan, and Lujun Wang. "Detection of Impedance Inhomogeneity in Lithium-Ion Battery Packs Based on Local Outlier Factor." Energies 17, no. 20 (2024): 5123. http://dx.doi.org/10.3390/en17205123.

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The inhomogeneity between cells is the main cause of failure and thermal runaway in Lithium-ion battery packs. Electrochemical Impedance Spectroscopy (EIS) is a non-destructive testing technique that can map the complex reaction processes inside the battery. It can detect and characterise battery anomalies and inconsistencies. This study proposes a method for detecting impedance inconsistencies in Lithium-ion batteries. The method involves conducting a battery EIS test and Distribution of Relaxation Times (DRT) analysis to extract characteristic frequency points in the full frequency band. The

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Zhu, Yongyan, Jiayi Ding, Jianli Zhang, and Liang Li. "Effects of Sodium Phosphate and Sodium Nitrite on the Pitting Corrosion Process of X70 Carbon Steel in Sodium Chloride Solution." Materials 13, no. 23 (2020): 5392. http://dx.doi.org/10.3390/ma13235392.

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In this paper, effects of sodium phosphate (Na3PO4) and sodium nitrite (NaNO2) on the pitting corrosion of X70 carbon steel in 0.10 mol/L NaCl solution were investigated by potentiodynamic polarization technique, electrochemical impedance spectroscopy (EIS) method, scanning electron microscope (SEM) and scanning electrochemical microscope (SECM). The SECM equipment was used to observe the dynamic processes of the pitting corrosion in situ. Na3PO4 or NaNO2 in the sodium chloride solution decreased the local anodic dissolution and increased the pitting resistance of the specimen. By analysis and

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Taubmann, Julian, Xiufu Sun, Christodoulos Chatzichristodoulou, and Henrik Lund Frandsen. "Tracking Localized Degradation of Solid Oxide Cells Via Multi-Physics Modelling of Impedance Spectroscopy." ECS Meeting Abstracts MA2023-01, no. 54 (2023): 147. http://dx.doi.org/10.1149/ma2023-0154147mtgabs.

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The global, macro-scale description of degradation phenomena in solid oxide cells (SOC) reaches limitations when dealing with localized, micro-scale processes. For example, it is established that carbon deposition and transformation of the active area in nickel containing electrodes in electrolysis mode depend strongly on the local overpotential and gas composition. The state-of-the-art long-term characterization of a full SOC however relies on macroscopic measurements of DC polarization and electrochemical impedance spectroscopy (EIS), which are capturing the average response of the entire ce

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Garcia, Mainã Portella, Juliana Sarango de Souza, Carol Glover, et al. "Global and Local Corrosion of Welded Joints of High-Strength Low-Alloy Automotive Steel." Corrosion 77, no. 5 (2021): 564–76. http://dx.doi.org/10.5006/3718.

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Global and local corrosion techniques were used to study the corrosion behavior of weld joints of a high-strength low-alloy steel (LNE500) typically used in the automotive industry in Brazil. The welded joints were prepared by gas metal arc welding. Two welding transfer modes were used to obtain different heat inputs: pulsed (PUL) and cold metal transfer (CMT). Local and global corrosion analysis techniques presented complementary information. While the local in situ analysis (scanning vibrating electrode technique) revealed the weld metal (WM) as the region where corrosion started, convention

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