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Relevant bibliographies by topics / Electrochemical cells

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Academic literature on the topic 'Electrochemical cells'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 June 2024

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Journal articles on the topic "Electrochemical cells"

1

Lohrengel, M. M. "Electrochemical capillary cells." Corrosion Engineering, Science and Technology 39, no. 1 (March 2004): 53–58. http://dx.doi.org/10.1179/147842204225016877.

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Bard, Allen J. "Light-Emitting Electrochemical Cells." Science 270, no. 5237 (November 3, 1995): 718. http://dx.doi.org/10.1126/science.270.5237.718.

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Sahlin, Eskil, Alexandra ter Halle, Kathleen Schaefer, Jeffery Horn, Matthew Then, and Stephen G. Weber. "Miniaturized Electrochemical Flow Cells." Analytical Chemistry 75, no. 4 (February 2003): 1031–36. http://dx.doi.org/10.1021/ac025970e.

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Arof, A. K. "Silver molybdovanadate electrochemical cells." Physica Status Solidi (a) 140, no. 2 (December 16, 1993): 491–99. http://dx.doi.org/10.1002/pssa.2211400220.

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Utagawa, Yoshinobu, Kosuke Ino, Tatsuki Kumagai, Kaoru Hiramoto, Masahiro Takinoue, Yuji Nashimoto, and Hitoshi Shiku. "Electrochemical Glue for Binding Chitosan–Alginate Hydrogel Fibers for Cell Culture." Micromachines 13, no. 3 (March 8, 2022): 420. http://dx.doi.org/10.3390/mi13030420.

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Three-dimensional organs and tissues can be constructed using hydrogels as support matrices for cells. For the assembly of these gels, chemical and physical reactions that induce gluing should be induced locally in target areas without causing cell damage. Herein, we present a novel electrochemical strategy for gluing hydrogel fibers. In this strategy, a microelectrode electrochemically generated HClO or Ca2+, and these chemicals were used to crosslink chitosan–alginate fibers fabricated using interfacial polyelectrolyte complexation. Further, human umbilical vein endothelial cells were incorporated into the fibers, and two such fibers were glued together to construct “+”-shaped hydrogels. After gluing, the hydrogels were embedded in Matrigel and cultured for several days. The cells spread and proliferated along the fibers, indicating that the electrochemical glue was not toxic toward the cells. This is the first report on the use of electrochemical glue for the assembly of hydrogel pieces containing cells. Based on our results, the electrochemical gluing method has promising applications in tissue engineering and the development of organs on a chip.

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Pacześniak, Tomasz, Katarzyna Rydel-Ciszek, Paweł Chmielarz, Maria Charczuk, and Andrzej Sobkowiak. "Electrochemical Reaction Gibbs Energy: Spontaneity in Electrochemical Cells." Journal of Chemical Education 95, no. 10 (July 18, 2018): 1794–800. http://dx.doi.org/10.1021/acs.jchemed.7b00871.

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Kasahara, Y., T. Nishijima, T. Sato, Y. Takeuchi, J. T. Ye, H. T. Yuan, H. Shimotani, and Y. Iwasa. "Electrostatically and electrochemically induced superconducting state realized in electrochemical cells." Journal of Physics: Conference Series 400, no. 2 (December 17, 2012): 022049. http://dx.doi.org/10.1088/1742-6596/400/2/022049.

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Koo, Kyeong-Mo, Chang-Dae Kim, Fu Nan Ju, Huijung Kim, Cheol-Hwi Kim, and Tae-Hyung Kim. "Recent Advances in Electrochemical Biosensors for Monitoring Animal Cell Function and Viability." Biosensors 12, no. 12 (December 13, 2022): 1162. http://dx.doi.org/10.3390/bios12121162.

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Redox reactions in live cells are generated by involving various redox biomolecules for maintaining cell viability and functions. These qualities have been exploited in the development of clinical monitoring, diagnostic approaches, and numerous types of biosensors. Particularly, electrochemical biosensor-based live-cell detection technologies, such as electric cell–substrate impedance (ECIS), field-effect transistors (FETs), and potentiometric-based biosensors, are used for the electrochemical-based sensing of extracellular changes, genetic alterations, and redox reactions. In addition to the electrochemical biosensors for live-cell detection, cancer and stem cells may be immobilized on an electrode surface and evaluated electrochemically. Various nanomaterials and cell-friendly ligands are used to enhance the sensitivity of electrochemical biosensors. Here, we discuss recent advances in the use of electrochemical sensors for determining cell viability and function, which are essential for the practical application of these sensors as tools for pharmaceutical analysis and toxicity testing. We believe that this review will motivate researchers to enhance their efforts devoted to accelerating the development of electrochemical biosensors for future applications in the pharmaceutical industry and stem cell therapeutics.

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Gasper, Paul, Bryce Knutson, and Nathaniel Sunderlin. "Rapid Electrochemical Diagnosis of Battery Health and Safety from Cells to Modules." ECS Meeting Abstracts MA2023-02, no. 3 (December 22, 2023): 500. http://dx.doi.org/10.1149/ma2023-023500mtgabs.

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Rapid electrochemical diagnosis of battery health and failure is critical for ensuring reliable battery performance and battery safety. Traditional battery health diagnostics such as capacity measurements and DC pulse tests are reliable and well-understood, however, these measurements of battery capacity and resistance do not capture all aspects of battery degradation. Other aspects of degradation, such as electrolyte decomposition, lithium-plating, and particle cracking are difficult to detect electrochemically but are crucial to measure to get a full picture of battery safety and flag out potential failures. In this work, lab- and field-aged commercial lithium-ion batteries and modules of various chemistries and formats are tested using a variety of traditional electrochemical characterization methods as well as using 2-minute pseudo-random DC pulse sequences at rest and during charge/discharge. The electrochemical measurements are compared to physical cell measurements, cell efficiency, drive cycle performance, physical and thermal heterogeneity, and qualitative safety metrics using statistical and machine-learning methods to discover if a comprehensive ‘battery health map’ can be accurately identified using only rapid DC measurements.

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Lin, Tzu-En, Stefania Rapino, Hubert H. Girault, and Andreas Lesch. "Electrochemical imaging of cells and tissues." Chemical Science 9, no. 20 (2018): 4546–54. http://dx.doi.org/10.1039/c8sc01035h.

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This minireview summarizes the recent achievements of electrochemical imaging platforms to map cellular functions in biological specimens using electrochemical scanning nano/micro-probe microscopy and 2D chips containing microelectrode arrays.

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Dissertations / Theses on the topic "Electrochemical cells"

1

Gilby, S. J. "Novel polymeric materials for electrochemical cells." Thesis, Department of Materials and Applied Science, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/4650.

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Wesselmark, Maria. "Electrochemical Reactions in Polymer Electrolyte Fuel Cells." Doctoral thesis, KTH, Tillämpad elektrokemi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-25267.

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The polymer electrolyte fuel cell converts the chemical energy in a fuel, e.g. hydrogen or methanol, and oxygen into electrical energy. The high efficiency and the possibility to use fuel from renewable sources make them attractive as energy converters in future sustainable energy systems. Great progress has been made in the development of the PEFC during the last decade, but still improved lifetime as well as lowered cost is needed before a broad commercialization can be considered. The electrodes play an important role in this since the cost of platinum used as catalyst constitutes a large part of the total cost for the fuel cell. A large part of the degradation in performance can also be related to the degradation of the porous electrode and a decreased electrochemically active Pt surface. In this thesis, different fuel cell reactions, catalysts and support materials are investigated with the aim to investigate the possibility to improve the activity, stability and utilisation of platinum in the fuel cell electrodes. An exchange current density, i0, of 770 mA cm-2Pt was determined for the hydrogen oxidation reaction in the fuel cell with the model electrodes. This is higher than previously found in literature and implies that the kinetic losses on the anode are very small. The anode loading could therefore be reduced without imposing too high potential losses if good mass transport of hydrogen is ensured. It was also shown that the electrochemically active surface area, activity and stability of the electrode can be affected by the support material. An increased activity was observed at higher potentials for Pt deposited on tungsten oxide, which was related to the postponed oxide formation for Pt on WOx. An improved stability was seen for Pt deposited on tungsten oxide and on iridium oxide. A better Pt stability was also observed for Pt on a low surface non-graphitised support compared to a high surface graphitised support. Pt deposited on titanium and tungsten oxide, displayed an enhanced electrochemically active surface area in the cyclic voltammograms, which was explained by the good proton conductivity of the metal oxides. CO-stripping was shown to provide the most reliable measure of the electrochemically active surface area of the electrode in the fuel cell. It was also shown to be a useful tool in characterization of the degradation of the electrodes. In the study of oxidation of small organic compounds, the reaction was shown to be affected by the off transport of reactants and by the addition of chloride impurities. Pt and PtRu were affected differently, which enabled extraction of information about the reaction mechanisms and rate determining steps. The polymer electrolyte fuel cell converts the chemical energy in a fuel, e.g. hydrogen or methanol, and oxygen into electrical energy. The high efficiency and the possibility to use fuel from renewable sources make them attractive as energy converters in future sustainable energy systems. Great progress has been made in the development of the PEFC during the last decade, but still improved lifetime as well as lowered cost is needed before a broad commercialization can be considered. The electrodes play an important role in this since the cost of platinum used as catalyst constitutes a large part of the total cost for the fuel cell. A large part of the degradation in performance can also be related to the degradation of the porous electrode and a decreased electrochemically active Pt surface. In this thesis, different fuel cell reactions, catalysts and support materials are investigated with the aim to investigate the possibility to improve the activity, stability and utilisation of platinum in the fuel cell electrodes. An exchange current density, i0, of 770 mA cm-2Pt was determined for the hydrogen oxidation reaction in the fuel cell with the model electrodes. This is higher than previously found in literature and implies that the kinetic losses on the anode are very small. The anode loading could therefore be reduced without imposing too high potential losses if good mass transport of hydrogen is ensured. It was also shown that the electrochemically active surface area, activity and stability of the electrode can be affected by the support material. An increased activity was observed at higher potentials for Pt deposited on tungsten oxide, which was related to the postponed oxide formation for Pt on WOx. An improved stability was seen for Pt deposited on tungsten oxide and on iridium oxide. A better Pt stability was also observed for Pt on a low surface non-graphitised support compared to a high surface graphitised support. Pt deposited on titanium and tungsten oxide, displayed an enhanced electrochemically active surface area in the cyclic voltammograms, which was explained by the good proton conductivity of the metal oxides. CO-stripping was shown to provide the most reliable measure of the electrochemically active surface area of the electrode in the fuel cell. It was also shown to be a useful tool in characterization of the degradation of the electrodes. In the study of oxidation of small organic compounds, the reaction was shown to be affected by the off transport of reactants and by the addition of chloride impurities. Pt and PtRu were affected differently, which enabled extraction of information about the reaction mechanisms and rate determining steps.
Polymerelektrolytbränslecellen omvandlar den kemiska energin i ett bränsle, exv. vätgas eller metanol, och syrgas till elektrisk energi. Den höga verkningsgraden samt möjligheten att använda bränsle från förnyelsebara källor gör dem attraktiva som energiomvandlare i framtida hållbara energisystem. En enorm utveckling har skett under det senaste årtiondet men för att kunna introducera polymerelektrolytbränslecellen på marknaden i en större skala måste livstiden öka och kostnaden minska. Elektroderna har en central del i detta då den platina som används som katalysator står för en stor del av kostnaden för bränslecellen. En stor del av prestandaförsämringen med tiden hos bränslecellen kan också relateras till en degradering av den porösa elektroden och en minskad elektrokemiskt aktiv platinayta. I denna avhandling studeras olika bränslecellsreaktioner samt olika katalysatorer och supportmaterial med målet att undersöka möjligheten att förbättra platinakatalysatorns aktivitet, stabilitet och utnyttjandegrad i bränslecellselektroder. Utbytesströmtätheten, i0, för vätgasoxidationen i bränslecell bestämdes till 770 mA cm-2Pt genom försök med modellelektroderna. Denna var högre än vad som framkommit tidigare i litteratur, vilket visar att de kinetiska förlusterna på anoden är mycket små. Katalysatormängden på anoden borde därför kunna minskas utan några större potentialförluster så länge masstransporten av vätgas är tillräcklig. Den elektrokemiskt aktiva ytan, aktiviteten och stabiliteten hos elektroden visade sig kunna påverkas av supportmaterialet. Platina deponerad på volfram oxid hade en högre aktivitet vid höga potentialer vilket relaterades till den förskjutna oxidbildningen på ytan. Elektroder med platina på volframoxid och iridiumoxid var mer stabila än elektroder med platina på kol. Det var även platina på ett icke grafitiserat kol med låg yta jämfört med platina på grafitiserade kol med en hög yta. Platina på metalloxidskikt av volfram och titan visade en högre elektrokemiskt aktiv yta i de cykliska voltamogrammen än platina på kol, vilket förklarades med att båda metalloxiderna har en bra protonledningsförmåga. CO-stripping gav det säkraste måttet på den elektrokemiskt aktiva ytan i en elektrod i bränslecell. CO-stripping visade sig även vara användbart för karaktärisering av degraderingen av en elektrod. Oxidationen av små organiska föreningar påverkades av borttransporten av intermediärer samt av kloridföroreningar. Pt aoch PtRu påverkades olika vilket gjorde det möjligt att få fram information om reaktionsmekanismer och hastighetsbestämmande steg.
QC 20101014

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Mooney, James. "Voltage and pH monitoring of electrochemical cells." Thesis, University of Strathclyde, 2010. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=12406.

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Thompson, Claire Louise. "Electrochemical routes to thin film solar cells." Thesis, University of Bath, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547634.

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Asadpoordarvish, Amir. "Functional and Flexible Light-Emitting Electrochemical Cells." Doctoral thesis, Umeå universitet, Institutionen för fysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-102400.

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The introduction of artificial illumination has brought extensive benefits to mankind, and during the last years we have seen a tremendous progress in this field with the introduction of the energy-efficient light-emitting diode (LED) and the high-contrast organic LED display. These high-end technologies are, however, produced using costly and complex processes, and it is anticipated that the next big thing in the field will be the advent of a low-cost and “green” illumination technology, which can be fabricated in a cost- and material-efficient manner using non-toxic and abundant raw materials, and which features attractive form factors such as flexibility, robustness and light-weight. The light-emitting electrochemical cell (LEC) is a newly invented illumination technology, and in this thesis we present results that imply that it can turn the above vision into reality. The thin-film LEC comprises an active material sandwiched between a cathode and an anode as its key constituent parts. With the aid of a handheld air-brush, we show that functional large-area LECs can be fabricated by simply spraying three layers of solution -- forming the anode, active material, and cathode -- on top of a substrate. We also demonstrate that such “spray-sintered” LECs can feature multicolored emission patterns, and be fabricated directly on complex-shaped surfaces, with one notable example being the realization of a light-emission fork! Almost all LECs up-to-date have been fabricated on glass substrates, but for a flexible and light-weight emissive device, it is obviously relevant to identify more appropriate substrate materials. For this end, we show that it is possible to spray-coat the entire LEC directly on conventional copy paper, and that such paper-LECs feature uniform light-emission even under heavy bending and flexing. We have further looked into the fundamental aspects of the LEC operation and demonstrated that the in-situ doping formation, which is a characteristic and heralded feature of LECs, can bring problems in the form of doping-induced self-absorption. By quantitatively analyzing this phenomenon, we provided straightforward guidelines on how future efficiency-optimized LEC devices should be designed. The in-situ doping formation process brings the important advantage that LECs can be fabricated from solely air-stabile materials, but during light emission the device needs to be protected from the ambient air. We have therefore developed a functional glass/epoxy encapsulation procedure for the attainment of LEC devices that feature a record-long ambient-air operational lifetime of 5600 h. For the light-emission device of the future, it is however critical that the encapsulation is flexible, and in our last study, we show that the use of multi-layer barrier can result in high-performance flexible LECs.

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Davis, Yevtte A. "Transient behavior of light-emitting electrochemical cells." Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/5648.

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Approved for public release; distribution is unlimited.
Recent prototypes of the individual identification friend or foe (IIFF) patch use a light-emitting electrochemical cell (LEC) as the emitter. This research characterizes the transient behavior of LECs by measuring transient capacitance. The transient capacitance data are important to improve understanding of the underlying physics describing the operation of the LEC. The research goal was to make the first transient measurements of an LEC's capacitance as a function of temperature and bias, while simultaneously measuring the transient light output and current, to monitor in-situ junction formation inside an LEC. Capacitance changes varying from 5-30 nF are measured, depending on applied voltage and device temperature. Strong temperature dependence of the rate of change of capacitance suggests Arrhenius-type behavior associated with ion motion with an activation energy of 1.27 eV. The initial rate of change of capacitance is faster than the rate of change of light and current, suggesting that modification of the field near the contacts plays a key role in controlling free carrier injection. Initially capacitance increases monotonically upon application of bias, however, at longer times decreasing and even oscillating capacitance has been observed. This behavior provides new information on the dynamics of ion motion and carrier injection in LECs.

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Larcin, José. "Chemical and electrochemical studies of Leclanché cells." Thesis, Middlesex University, 1991. http://eprints.mdx.ac.uk/13367/.

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The densities of NH4CI-ZnCI2 solutions were measured at 25°C over a wide range of concentrations and a calculation procedure was derived assuming ideal mixing of solutions of NH4CI, ZnCl2, and the complex (NH4)ZnCI3 which accurately predicted the measured densities within plus/minus 0.7 %. The question of the NH4CI concentration at which the precipitate formed on discharge changes from Zn(NH3)2Cl2 to ZnCI2.4Zn(OH)2.H20 has been clarified and the free energies of formation of both products have been determined, for the first time for ZnCI2.4Zn(OH)2.H20. The zinc electrode potential was measured in solutions of ZnCl2 (0 to 17 molal) and of NH4CI (zero to saturation). The concentrations of the different species were calculated; ZnCI3 appeared to be predominant in all solutions except those with a large excess of NH4Cl. The solubility diagram of the NH4CI-ZnCI2- H20 system was determined for the fIrst time at 25°C. The three stages of the intermittent discharge of a Leclanché cell previously predicted by Tye have been observed and the duration of each stage explained on a theoretical basis. Hetaerolite was formed during intermittent discharge of cells containing the chemically prepared manganese dioxide (CMD) Faradiser M, as a chemical step following the normal reduction of the Mn02. This formation increased the positive electrode potential and regenerated the NH4CI by dissolving the Zn(NH3)2CI2 formed earlier in the discharge. This is the flIst reported observation of the regeneration of NH4CI caused by hetaerolite formation. In zinc chloride electrolyte, the discharge product appeared to be 2ZnC12.5Zn(OH)2.H2O and not ZnCI2.4Zn(OH)2.H20 as previously reported. An interruption technique has been used to study cells undergoing continuous discharges. The reverse reaction rate was negligible during the anodic zinc dissolution and no significant activation overpotential was observed for the manganese dioxide electrode. During these discharges in Leclanché electrolyte, the NH4CI concentration decreased at the zinc electrode interface reducing the activation overpotential and increasing the concentration overpotential. When the NH4CI concentration reached zero at the interface, the concentration proflle (moving boundary) moved toward the cathode. In the zinc chloride electrolyte, the ZnCl2 concentration at the negative electrode increased proportionally with the square root of the time on load until the diffusion layer intercepted the positive electrode. The Mn02 electrode potentials measured against a reference electrode, the Luggin capillary of which was inserted inside the cathode, were very similar for electrodeposited manganese dioxide (EMD) and CMDs throughout the discharge in ZnCl2 but higher for EMD than for a CMD in the Leclanché electrolyte. Towards the end of the discharge in both electrolytes, a large (70-100 mV) diffusion potential was generated in the separator region causing the cell voltage to decrease rapidly. This is the first time that this phenomenon has been reported. The main difference between the various cells in ZnCl2 electrolyte was in the magnitude of this diffusion potential which was significantly decreased by increase of volume of electrolyte in the cell. Although the cells containing EMD lasted longer than those containing CMD on continuous discharges. the specific performances (F mol-1) were very similar for all the materials. The non-uniform reduction rate distribution in the positive electrode has been calculated on the basis of measured potential differences within the mix using a new model of the electrode. The Mn02 potential-composition relationship conformed to the equation derived by Tye for all the dioxides at low degrees of reduction. Beyond about MnOOH0.4 the potential of EMD followed the equation derived assuming independent mobility of inserted protons and electrons while the potential of CMDs suggested permanent association of the inserted species. This difference, which was observed after both chemical and electrochemical reduction, is a new finding.

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Salazar, Zarzosa Pablo Felix. "Modeling and experiments to develop thermo-electrochemical cells." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53015.

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Low-temperature waste heat recovery is an important component of generating a more efficient, cost-effective and environmentally-friendly energy source. To meet this goal, thermo-electrochemical cells (TECs) are cost-effective electrochemical devices that produce a steady electric current under an applied temperature difference between their electrodes. However, current TECs have low conversion efficiencies. On this project, I developed a comprehensive multiscale model that couples the governing equations in TECs. The model was used to understand the fundamental principles and limitations in TECs, and to find the optimum cell thickness, aspect ratio and number of cells in a series stack. Doped multiwall carbon nanotubes (MWCNTs) were then explored as alternative electrodes for TECs. One of the main objectives of this dissertation is to study multiwall carbon nanotube/ionic liquid (MWCNT/IL) mixtures as alternative electrolytes for TECs. Previous authors showed that the addition of carbon nanotubes (CNTs) to a solvent-free IL electrolyte improves the efficiency of dye solar cells by 300%. My research plan involved a spectroscopy analysis of imidazolium-based ionic liquids (IILs) mixed with MWCNTs using impedance spectroscopy and nuclear magnetic resonance. The results show that the combination of interfacial polarization and ion pair dissociation effects reduces mass transfer resistances and enhances the power of TECs at low wt% of MWCNTs. This happens in spite of reduced open circuit voltage due to percolated networks.

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Subba, Rao Viruru Subbarao. "Electrochemical characterization of direct alcohol fuel cells using in-situ differential electrochemical mass spectrometry." kostenfrei, 2008. http://mediatum2.ub.tum.de/doc/645809/645809.pdf.

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Rao, Vineet. "Electrochemical characterization of direct alcohol fuel cells using in-situ differential electrochemical mass spectrometry." kostenfrei, 2008. http://mediatum2.ub.tum.de/doc/645809/645809.pdf.

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Books on the topic "Electrochemical cells"

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Costa, Rubén D., ed. Light-Emitting Electrochemical Cells. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-58613-7.

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Li, Genxi, and Peng Miao. Electrochemical Analysis of Proteins and Cells. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-34252-3.

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An, Liang, Rong Chen, and Yinshi Li, eds. Flow Cells for Electrochemical Energy Systems. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-37271-1.

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European, Symposium on Electrical Engineering (3rd 1994 Nancy France). Electrochemical engineering and energy. New York: Plenum Press, 1994.

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Yuan, Xiao-Zi, Chaojie Song, Haijiang Wang, and Jiujun Zhang. Electrochemical Impedance Spectroscopy in PEM Fuel Cells. London: Springer London, 2010. http://dx.doi.org/10.1007/978-1-84882-846-9.

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Larcin, Jose. Chemical and electrochemical studies of Leclanche cells. London: Middlesex Polytechnic, 1991.

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Bagot︠s︡kiĭ, V. S. Electrochemical power sources: Batteries, fuel cells, and supercapacitors. Hoboken, New Jersey: John Wiley & Sons, Inc., 2015.

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Eklund, Anders. Mass transfer and free convection in electrochemical cells. Stockholm: Dept. of Applied Electrochemistry and Corrosion Science, Royal Institute of Technology, 1991.

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Dugan, Duane W. Effects of storage time at various temperatures on capacity of a lithium/sulfur dioxide cell. Moffett Field, Calif: Ames Research Center, 1986.

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Doherty, T. D. Mass transfer effects in electrochemical cells containing porous electrodes. Manchester: UMIST, 1996.

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Book chapters on the topic "Electrochemical cells"

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Péra, Marie-Cécile, Daniel Hissel, Hamid Gualous, and Christophe Turpin. "Fuel Cells." In Electrochemical Components, 151–207. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118576892.ch3.

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Wendt, Hartmut, and Gerhard Kreysa. "Fuel Cells." In Electrochemical Engineering, 370–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-03851-2_12.

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Emeji, Ikenna Chibuzor, Onoyivwe Monday Ama, Uyiosa Osagie Aigbe, Khotso Khoele, Peter Ogbemudia Osifo, and Suprakas Sinha Ray. "Electrochemical Cells." In Nanostructured Metal-Oxide Electrode Materials for Water Purification, 65–84. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-43346-8_4.

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Lvov, Serguei N. "Electrochemical Cells." In Introduction to Electrochemical Science and Engineering, 33–56. 2nd ed. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781315296852-2.

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Gasteiger, Hubert, Katharina Krischer, and Bruno Scrosati. "Electrochemical Cells: Basics." In Lithium Batteries, 1–19. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118615515.ch1.

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Matsumoto, Hajime. "Photoelectrochemical Cells." In Electrochemical Aspects of Ionic Liquids, 221–34. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118003350.ch15.

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Yoshizawa-Fujita, Masahiro, and Hiroyuki Ohno. "Fuel Cells." In Electrochemical Aspects of Ionic Liquids, 235–42. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118003350.ch16.

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Koper, Marc T. M. "Electrochemical Hydrogen Production." In Fuel Cells and Hydrogen Production, 819–32. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4939-7789-5_862.

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Dumur, Frédéric. "Light-Emitting Electrochemical Cells." In Luminescence in Electrochemistry, 327–61. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49137-0_10.

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Li, Genxi, and Peng Miao. "Electrochemical Analysis of Cells." In SpringerBriefs in Molecular Science, 43–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-34252-3_4.

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Conference papers on the topic "Electrochemical cells"

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Stefan-Cristian, Macovei, Ilas Tudor Alexandru, Drobota Mihai, and Darko Belavic. "Electrochemical techniques used to characterize electrochemical cells." In 2016 International Conference and Exposition on Electrical and Power Engineering (EPE). IEEE, 2016. http://dx.doi.org/10.1109/icepe.2016.7781399.

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Pei, Qibing, Gang Yu, Chi Zhang, Yang Yang, and Alan J. Heeger. "Polymer Light-Emitting Electrochemical Cells." In Organic Thin Films for Photonic Applications. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.thc.2.

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Electrochemistry provides a convenient means of reversibly doping conjugated polymers n-type (electron carriers) or p-type (hole carriers). When such charge carriers are introduced by electrochemical doping, they are compensated by counter-ions from the electrolyte. At high doping levels, the material becomes metallic, leading to low resistance contacts and easy charge injection (both n-type and p-type, respectively).1-5

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Armstrong, Peter, Craig Grapperhaus, and Thad Druffel. "Hole Transporting Layers in Solar Cells: Stabilizing NiOPerovskite Inks with Organic Capping Agents." In Electrochemical Society, Atlanta, 16 Oct 2019. US DOE, 2019. http://dx.doi.org/10.2172/1923058.

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Pontes, J., N. Mangiavacchi, G. Rabello dos Anjos, O. E. Barcia, O. R. Mattos, B. Tribollet, and Michail D. Todorov. "Modelling Hydrodynamic Stability in Electrochemical Cells." In APPLICATIONS OF MATHEMATICS IN ENGINEERING AND ECONOMICS: Proceedings of the 34th Conference on Applications of Mathematics in Engineering and Economics (AMEE '08). AIP, 2008. http://dx.doi.org/10.1063/1.3030780.

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Menzel, S., I. Valov, R. Waser, B. Wolf, S. Tappertzhofen, and U. Bottger. "Statistical modeling of electrochemical metallization memory cells." In 2014 IEEE 6th International Memory Workshop (IMW). IEEE, 2014. http://dx.doi.org/10.1109/imw.2014.6849360.

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KAJI, HIROKAZU, MASAHIKO HASHIMOTO, TAKEAKI KAWASHIMA, TAKASHI ABE, and MATSUHIKO NISHIZAWA. "AN ELECTROCHEMICAL MICROSYSTEM FOR MANIPULATING LIVING CELLS." In Proceedings of the Final Symposium of the Tohoku University 21st Century Center of Excellence Program. IMPERIAL COLLEGE PRESS, 2006. http://dx.doi.org/10.1142/9781860948800_0001.

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Izenson, Michael G., and Roger W. Hill. "Water and Thermal Balance in PEM Fuel Cells." In ASME 2003 1st International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2003. http://dx.doi.org/10.1115/fuelcell2003-1756.

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The high energy density available from polymer electrolyte membrane (PEM) fuel cell systems makes them attractive sources of portable power. A key consideration for minimum weight portable power systems is that they must operate simultaneously at water balance (no external water supply) and thermal balance (controlled temperature). Water and thermal management are intimately linked since evaporation is a potent source of cooling. The cell’s electrochemical performance and the ambient environment determine the rates of water production and transport as well as heat generation and removal. This paper presents the basic design relationships that govern water and thermal balance in PEM fuel cell stacks and systems. Hydrogen/air and direct methanol fuel cells are both addressed and compared. Operating conditions for simultaneous water and thermal balance can be specified based on the cell’s electrochemical performance and the operating environment. These conditions can be used to specify the overall size and complexity of the cooling equipment needed in terms of the “UA” product of the heat exchangers. The water balance properties can have strong effects on the size of the thermal management equipment required.

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Haynes, Comas, William Rooker, Vaughn Melbourne, and Jeffery Jones. "Analogies Between Fuel Cells and Heat Exchangers: From Phenomena to Design Principles." In ASME 2003 1st International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2003. http://dx.doi.org/10.1115/fuelcell2003-1736.

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Fuel cells and heat exchangers have numerous similarities. Both technologies are used to produce an “energy-in-transit.” Heat exchangers foster thermal transport (heat) as a result of thermal potential differences between streams; fuel cells foster charge transport across electrodes (current leading to power) as a result of electrochemical/electric potential differences between the reactant streams and fuel cell electrodes. Additional analogs include series resistance formulations, active regions for transport phenomena and pertinent capacity rates. These similarities have motivated the extension of heat exchanger design philosophies to fuel cells development. Pilot simulations have been done wherein solid oxide fuel cell geometries and process settings are being optimized via electrochemical pinch points, electroactive area optimization (patterned after optimal area allocation within heat exchangers), electrode “fins” for diminished polarization, and electrochemical multi-staging (motivated by heat exchanger network concepts). The prevailing theme has been to bridge methodologies from the mature field of heat exchanger design to improve fuel cell design practices.

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Moton, Jennie M., Brian D. James, and Whitney G. Colella. "Advances in Electrochemical Compression of Hydrogen." In ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2014 8th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fuelcell2014-6641.

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This paper evaluates the potential for electrochemical hydrogen compression systems (EHCs) regarding their engineering performance, manufacturability, and capital costs. EHCs could enhance or replace mechanical hydrogen compressors. The physical embodiment of EHCs is similar to that of low temperature (LT) proton exchange membrane (PEM) fuel cell systems (FCSs). They also share common operating principles with LT PEM FCS and with PEM electrolysis systems. Design for Manufacturing and Assembly (DFMA™) analysis is applied to EHCs to identify manufactured designs, manufacturing methods, projected capital costs under mass-production, and cost drivers for both the EHC stack and the balance of plant (BOP). DFMA™ analysis reveals that EHC stack costs are expected to be roughly equal to EHC BOP costs, under a variety of scenarios. (Total EHC system costs are the sum of stack and BOP costs.) Within the BOP, the primary cost driver is the electrical power supply. Within the stack, the primary cost drivers include the membrane electrode assembly (MEA), the stamped bipolar plates, and the expanded titanium (Ti) cell supports, particularly at lower hydrogen outlet pressures. As outlet pressure rises, capital costs escalate nonlinearly for several reasons. Higher pressure EHCs experience higher mechanical loads, which necessitate using a greater number of smaller diameter cells and a greater tie rod mass. Higher pressure EHCs also exhibit a higher degree of back-diffusion, which necessitates using more cells per system.

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Haynes, Comas, Vaughn Melbourne, and William Rooker. "Advancing Fuel Cells Technology via Analogous Heat Exchanger Design Principles." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33313.

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Fuel cells and heat exchangers have numerous similarities. Both technologies are used to produce an “energy-in-transit.” Heat exchangers foster thermal transport (heat) as a result of thermal potential differences between streams; fuel cells foster charge transport across electrodes (current leading to power) as a result of electrochemical/electric potential differences between the reactant streams and fuel cell electrodes. Additional analogs include series resistance formulations, active regions for transport phenomena and pertinent capacity rates. These similarities have motivated the extension of heat exchanger design philosophies to fuel cells development. Pilot simulations have been done wherein solid oxide fuel cell geometries and process settings are being optimized via electrochemical pinch points, electroactive area optimization (patterned after optimal UA allocation within heat exchangers), and electrode “fins” for diminished polarization. The prevailing theme has been to bridge methodologies from the mature field of heat exchanger design to improve fuel cell design practices.

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Reports on the topic "Electrochemical cells"

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Owens, Boone B., and William H. Smyrl. Thin Film Electrochemical Power Cells. Fort Belvoir, VA: Defense Technical Information Center, January 1991. http://dx.doi.org/10.21236/ada245176.

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Smyrl, W. H., B. B. Owens, and H. S. White. Exploratory cell research and fundamental processes study in solid state electrochemical cells. Office of Scientific and Technical Information (OSTI), June 1990. http://dx.doi.org/10.2172/6396835.

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Katayama, Shingo, Koich Hamamoto, Yoshinobu Fujishiro, and Masanobu Awano. Decomposition of NOx by Electrochemical Cells~Improvement and Low-Temperature Operation of Practical-Sized Cells. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0116.

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Scott Barnett. Use of High Temperature Electrochemical Cells for Co-Generation of Chemicals and Electricity. Office of Scientific and Technical Information (OSTI), September 2007. http://dx.doi.org/10.2172/924973.

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Tench, D. Research on electrochemical photovoltaic cells. Final report, 1 July 1982-30 April 1983. Office of Scientific and Technical Information (OSTI), March 1985. http://dx.doi.org/10.2172/5923721.

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Osteryoung, Robert A. Electrochemical Studies of Lewis Acid-Base Systems for Use in Thermally Regenerable Fuel Cells. Fort Belvoir, VA: Defense Technical Information Center, February 1992. http://dx.doi.org/10.21236/ada246457.

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Author, Not Given. 3D CFD Electrochemical and Heat Transfer Model of an Integrated-Planar Solid Oxide Electrolysis Cells. Office of Scientific and Technical Information (OSTI), November 2008. http://dx.doi.org/10.2172/953673.

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Tomkiewicz, M., I. Ling, W. Parson, R. Silberstein, J. Lyden, P. Bratin, F. Pollak, W. Siripala, R. Garuthara, and M. Hepel. Conversion and storage in electrochemical photovoltaic cells. Final report, 15 September 1979-15 January 1985. Office of Scientific and Technical Information (OSTI), May 1985. http://dx.doi.org/10.2172/5513170.

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Glasscott, Matthew, and Jason Ray. Accelerated corrosion of infrastructural seven-strand cables via additively manufactured corrosion flow cells. Engineer Research and Development Center (U.S.), September 2023. http://dx.doi.org/10.21079/11681/47606.

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The purpose of this project was to generate an accelerated corrosion methodology capable of producing seven-strand cables with simulated corrosive defects for calibration of nondestructive analysis (NDA) techniques. An additively manufactured accelerated corrosion cell was motivated and designed. Previous attempts at accelerated electrochemical corrosion used a large cable area with a current density that was too low (i.e., 1 A/m²)* to effectuate efficient corrosion. The accelerated corrosion cell presented here takes advantage of the restricted area within the corrosion flow cell to maximize the corrosion rate in a consistent and calibrated manner (i.e., 2,000 A/m²).

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Rossi, Ruggero, David Jones, Jaewook Myung, Emily Zikmund, Wulin Yang, Yolanda Alvarez Gallego, Deepak Pant, et al. Evaluating a multi-panel air cathode through electrochemical and biotic tests. Engineer Research and Development Center (U.S.), December 2022. http://dx.doi.org/10.21079/11681/46320.

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To scale up microbial fuel cells (MFCs), larger cathodes need to be developed that can use air directly, rather than dissolved oxygen, and have good electrochemical performance. A new type of cathode design was examined here that uses a “window-pane” approach with fifteen smaller cathodes welded to a single conductive metal sheet to maintain good electrical conductivity across the cathode with an increase in total area. Abiotic electrochemical tests were conducted to evaluate the impact of the cathode size (exposed areas of 7 cm², 33 cm², and 6200 cm²) on performance for all cathodes having the same active catalyst material. Increasing the size of the exposed area of the electrodes to the electrolyte from 7 cm² to 33 cm² (a single cathode panel) decreased the cathode potential by 5%, and a further increase in size to 6200 cm² using the multi-panel cathode reduced the electrode potential by 55% (at 0.6 A m⁻²), in a 50 mM phosphate buffer solution (PBS). In 85 L MFC tests with the largest cathode using wastewater as a fuel, the maximum power density based on polarization data was 0.083 ± 0.006Wm⁻² using 22 brush anodes to fully cover the cathode, and 0.061 ± 0.003Wm⁻² with 8 brush anodes (40% of cathode projected area) compared to 0.304 ± 0.009Wm⁻² obtained in the 28 mL MFC. Recovering power from large MFCs will therefore be challenging, but several approaches identified in this study can be pursued to maintain performance when increasing the size of the electrodes.

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