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Academic literature on the topic 'Potentiel électrode'
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Journal articles on the topic "Potentiel électrode"
Wenger, François, Hue Minh Tran, Pierre Ponthiaux, and Jacques Galland. "Influence de la distribution de potentiel électrochimique sur l'interprétation de la courbe courant-tension anodique d'une électrode tournante d'alliage Fe-31 % Ni en milieu sulfurique." Comptes Rendus de l'Académie des Sciences - Series IIC - Chemistry 1, no. 2 (February 1998): 109–13. http://dx.doi.org/10.1016/s1251-8069(97)86269-0.
Full textVivas, Nicolás, Fernando Zamora, and Yves Glories. "Etude des phénomènes d'oxydoréduction dans les vins. Mise au point d'une méthode rapide de mesure du potentiel d'oxydoréduction." OENO One 26, no. 4 (December 31, 1992): 271. http://dx.doi.org/10.20870/oeno-one.1992.26.4.1191.
Full textLambert, Emmanuel, Christelle Créac’h, Roland Peyron, and Philippe Convers. "Potentiels évoqués nociceptifs par électrode concentrique : effet du CIDN." Neurophysiologie Clinique/Clinical Neurophysiology 46, no. 3 (June 2016): 226. http://dx.doi.org/10.1016/j.neucli.2016.06.022.
Full textRigaudière, F., and J. F. Le Gargasson. "Explorations électrophysiologiques sensorielles : électrorétinogramme, électro-oculogramme, potentiels évoqués visuels." EMC - Ophtalmologie 4, no. 1 (January 2007): 1–23. http://dx.doi.org/10.1016/s0246-0343(07)44448-3.
Full textValentin, Gérard, and Alain Storck. "Distributions du potentiel et de la densité de courant dans les électrodes fluidisées en présence de réactions multiples." Journal de Chimie Physique 85 (1988): 281–92. http://dx.doi.org/10.1051/jcp/1988850281.
Full textAl Moussawi, M., and N. Andre-Obadia. "Intérêt des potentiels évoqués par stimulation à l’aide d’une électrode concentrique chez le patient comateux : à propos de 60 cas." Neurophysiologie Clinique/Clinical Neurophysiology 42, no. 4 (June 2012): 252. http://dx.doi.org/10.1016/j.neucli.2012.04.013.
Full textBergeron, H., and A. Valance. "Formalisme pour le calcul des potentiels adiabatiques d'une molécule diatomique à un électron actif (potentiel - modèle non local). Application aux ions Na+2 et Ba32+." Journal de Physique 50, no. 20 (1989): 3109–22. http://dx.doi.org/10.1051/jphys:0198900500200310900.
Full textMomigny, J., and P. Natalis. "Étude de L'Influence du Potentiel Accélérateur des Électrons sur les Spectres De Masse de Quelques 1,2-Dialkylcyclopentanes." Bulletin des Sociétés Chimiques Belges 66, no. 1 (September 1, 2010): 26–32. http://dx.doi.org/10.1002/bscb.19570660103.
Full textGloton, M. P., M. Turmine, A. Mayaffre, and P. Letellier. "Électrodes à membrane indicatrices de surfactifs cationiques. Variation des propriétés électriques de la membrane en fonction de sa composition." Canadian Journal of Chemistry 71, no. 3 (March 1, 1993): 371–76. http://dx.doi.org/10.1139/v93-055.
Full textDissertations / Theses on the topic "Potentiel électrode"
Monte-Rojas, Antonio. "Etude par électrogravimétrie des dépôts en sous potentiel de thallium, de plomb et de cadmium sur électrode d'or." Université Joseph Fourier (Grenoble), 2000. http://www.theses.fr/2000GRE10214.
Full textNanini-Maury, Elise. "Formulation d'électrolytes haut potentiel pour la caractérisation d'électrodes positives innovantes : batteries lithium-ion pour le véhicule électrique." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066417/document.
Full textImplementation of new electrolyte formulations adapted to high potential positive electrodes for lithium-ion battery is a key challenge for high energy density systems. In order to obtain stability in oxidation greater than 5 V vs. Li+/Li, various solvents (dinitriles, lactones, phosphates) were analyzed. We have shown by cyclic voltammetry that electrolytes containing sebaconitrile are stable up to 5.3 V vs. Li+/Li on LiCoPO4. Nonetheless, the results obtained by electrochemical impedance spectroscopy and X-ray photoelectron spectroscopy revealed the presence of a new interface onto the positive electrode due to electrolyte degradation. Even though this degradation limits the cycle ability, optimization of the formed interface could be an asset in view of the system safety through the protection of the positive electrode
Demeaux, Julien. "Impact des phénomènes aux interfaces électrode/électrolyte sur les performances des batteries Li-ion haute tension : faiblesses et atouts des électrolytes à base de carbonates d'alkyles et de sulfones face aux électrodes LiNi0,4Mn1,6 O4 et Li4Ti5O12." Thesis, Tours, 2013. http://www.theses.fr/2013TOUR4032/document.
Full textLiNi0.4Mn1.6O4 (LNMO)/Li4Ti5O12 (LTO) accumulators should theoretically achieve the power and energy densities that provide sufficient autonomy to electric vehicles. However, two major issues related to the use of LNMO limit their performances: the pronounced oxidation of the alkylcarbonate-based electrolytes and the transition metal ion (Mn2+, Ni2+) dissolution. The ethylene carbonate (EC)-based formulations get an ability to form polymer-covering films onto the active material. The galvanostatic cycling tests, after storage or not, confirm the superiority of these electrolytes, leading to reduced capacity losses of the LNMO electrode. Furthermore, sulfones are promising compounds to be applied to LNMO/LTO batteries. The use of symmetric and asymmetric cells demonstrates that sulfones are non-reactive towards the LNMO/electrolyte and LTO/electrolyte interfaces. However, this non-reactivity does not allow the deposition of polymer films, which would have enabled to stop the Mn2+ and Ni2+ dissolution from the positive electrode. This results in degraded performances of batteries at 30°C compared to those using EC in electrolytes
Dumaz, Philippe. "Comportement électrochimique de matériaux à haut potentiel : LiCoPO4 et LiNi1/3Mn3/2O4, en électrodes couches minces ou composites." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAI095/document.
Full textThe use of unlimited natural sources such as solar, wind or hydraulic power is booming. However, their energy production is dependant of climatic conditions and is therefore intermittent. These systems are usually associated with energy storage, in order to smooth the production before injection on the network. For all these reasons, Li-ion batteries need to incorporate new electrode materials to achieve high power and high energy density while maintaining a long life and safe use.In this context, our work consisted in preparing high potential materials, LiCoPO4 (LCP) and LiNi0.5Mn1.5O4 (LNMO). The latter are perfectly integered in the context of development of materials with high energy density since they have an oxidation potential of 4.8 and 4.7 V vs Li + / Li and theoretical mass energy densities of 802 and 691 Wh.kg-1 over lithium, respectively.These materials were first synthesized in the form of thin thin films to obtain model electrodes to study the kinetics and thermodynamics properties of materials transport and interactions with the presence of a liquid electrolyte including phenomena at the electrode interface / electrolyte. The understanding acquired during this first axis allowed us to transpose and adapt these characterization techniques to more complex systems : composite electrodes.The properties of these materials with respect to lithium insertion and desinsertion have been tested and characterized in electrochemicals cells. Kinetic and thermodynamic parameters have been extracted using several electrochemical techniques such as intermittent titration (GITT), impedance spectroscopy (PEIS and GEIS), galvano-static cycling and power tests. We propose a simple method, based on power tests, to determine the diffusion coefficient of lithium. Finally, we attempt to answer several questions that remain unsolved about the capacity loss of high potential materials during long cycling, and we propose a very simple technique for improving the cycling of composites electrodes of LNMO
Ankhili, Amale. "Développement des textiles instrumentés intégrant des électrodes organiques de mesure de bio-potentiel." Thesis, Lille, 2019. http://www.theses.fr/2019LIL1I053.
Full textCardiovascular diseases are the leading cause of death worldwide. The most effective way to combat these diseases is the real-time monitoring of the electrocardiogram (ECG) that reflect the electrical signals generated by the heart cells. The ECG signal provides to cardiologists all the information needed to diagnose heart diseases. So far, the electrocardiogram is recorded by using the cutaneous conventional medical electrodes (Ag/AgCl) based on silver and silver chloride. These electrodes are not destined for long-term use and can provoke skin irritation because of the ionic gel that serves to reduce the impedance of the electrode / skin interface. In this thesis, flexible textile electrodes operating without any ionic gel have been developed as alternatives to medical electrodes (Ag/AgCl). Our approach is based on the modification of conductive inks based on the intrinsically conductive polymer, poly (3,4-ethylenedioxythiophene) poly (styrenesulfonate) (PEDOT: PSS) compatible with selected textile substrates. The realization of the electrodes uses manufacturing techniques that can be easily transferred to the textile industry. Characterizations were set up to evaluate the reliability of these systems before and after 50 washes in laboratory and domestic machines. In this case, the surface resistivity of the electrodes-sensors, the modeling of the electrode/skin interface, the analysis of the ECG signal in static and dynamic, the spectral power density of the ECG signal, the signal-to-noise ratio (SNR) were analyzed and compared to commercial silver-based electrodes. As our developed sensor electrodes have a real clinical and industrial potential, we have also studied the feasibility of the connection and its durability. The chosen solution consists of two silver-plated polyamide threads, which are available on the market, embroidered to make the connections between the textile sensor electrodes and a flexible electronic module based on a composite film (polyester-aluminum). In addition, two encapsulation methods have also been developed to protect systems during washing and to make them ready for the market
Longchamp, Sylvie. "Oxydation électrochimique en milieu organique d'une série d'indoles aryl et alkyl substitués." Rouen, 1987. http://www.theses.fr/1987ROUES027.
Full textTallon-Baudry, Catherine. "Rôle des oscillations 40 Hz dans l'intégration de l'information visuelle : étude électro- et magnéto-encéphalographique." Lyon 1, 1997. http://www.theses.fr/1997LYO1T061.
Full textHéduit, Alain. "Potentiel d'électrode de platine en épuration biologique." Paris 12, 1989. http://www.theses.fr/1989PA120014.
Full textBouhmaida, Nouzha. "Modélisation du potentiel électrostatique calcule a partir de la densité électronique de déformation X-X dans les cristaux moléculaires : application aux composés peptidiques." Nancy 1, 1993. http://www.theses.fr/1993NAN10288.
Full textGodey, Benoit. "Contribution de la Magnétoencéphalographie et des enregistrements unitaires par mico-électrodes à l'étude de la physiologie du cortex auditif." Paris 13, 2002. http://www.theses.fr/2002PA132006.
Full textBooks on the topic "Potentiel électrode"
On an improvement in the method of determining minimum spark potentials. Ottawa: Royal Society of Canada, 1996.
Find full textHeckenlively, John R., and Geoffrey B. Arden. Principles and Practice of Clinical Electrophysiology of Vision. MIT Press, 2006.
Find full textHeckenlively, John R., and Geoffrey B. Arden. Principles and Practice of Clinical Electrophysiology of Vision. MIT Press, 2006.
Find full textHeckenlively, John R., and Geoffrey B. Arden. Principles and Practice of Clinical Electrophysiology of Vision. MIT Press, 2006.
Find full text(Editor), John R. Heckenlively, and Geoffrey B. Arden (Editor), eds. Principles and Practice of Clinical Electrophysiology of Vision, 2nd Edition. 2nd ed. The MIT Press, 2006.
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