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Academic literature on the topic 'Accumulateur au plomb-acide'
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Journal articles on the topic "Accumulateur au plomb-acide"
Ondo, Benjamin Obiang, Sylvie Carole Ondo Ntyam, and Richard Jules Priso. "Effet de la phytoaccumulation du plomb, du fer et du zinc sur deux Poacées dans la zone de Kribi et de ses environs." International Journal of Biological and Chemical Sciences 14, no. 6 (October 7, 2020): 2257–66. http://dx.doi.org/10.4314/ijbcs.v14i6.26.
Full textDissertations / Theses on the topic "Accumulateur au plomb-acide"
Storck-Gantois, Fanny. "Effet de la compression et de l’ajout d’additifs sur l’amélioration des performances d’un accumulateur au plomb." Paris 6, 2008. http://www.theses.fr/2008PA066370.
Full textEl, Ghachcham Amrani Abdellatif. "Alliages plomb-calcium-étain pour batteries : propriétés mécaniques-structures-résistance à la corrosion en milieu sulfurique : comparaison des plombs primaire et secondaire." Nancy 1, 1995. http://www.theses.fr/1995NAN10043.
Full textZANINOTTO, FRANCK. "Etude des mecanismes de vieillissement des electrodes positives des accumulateurs plomb-acide." Paris 6, 1998. http://www.theses.fr/1998PA066370.
Full textOury, Alexandre. "Accumulateurs au plomb-acide méthanesulfonique à circulation d'électrolyte pour les applications photovoltaïques et support des réseaux." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00962125.
Full textCaumont, Olivier. "Détermination de l'état de charge dune batterie plomb acide en utilisation véhicule électrique." Lille 1, 1997. http://www.theses.fr/1997LIL10160.
Full textLes ampères-heures réellement échanges par la batterie sont pondérés de coefficients d'équivalence tires d'expériences a profils de courant dynamiques pour obtenir la quantité d'électricité virtuellement déchargée au courant de référence. L'effet des freinages récupératifs et des pauses y est soustrait et le résultat est rapporte aux ampères-heures initialement disponibles a ce même courant. L'évaluation de cet algorithme sur des décharges réelles reproduites en laboratoire l'a révèle meilleur que les méthodes classiques avec moins de cinq pour-cent d'erreur. Des essais en conditions réelles ont ensuite confirme cette imprécision maximale sur quelques décharges consécutives. Pour finir, une réflexion sur les facteurs susceptibles de faire diverger l'algorithme a long terme est proposée ainsi que les solutions ou études envisagées pour y remédier
Toussaint, Gwenaëlle. "Amélioration du comportement électrochimique des batteries plomb-acide à usage photovoltai͏̈que." Nancy 1, 2003. http://www.theses.fr/2003NAN10162.
Full textIn an isolated photovoltaic system, the accumulator is the weak point of the device. His charge capacity is closely related to the conduction properties of the grid/PAM interface, interface which evolves according to the state of charge. The positives grids, made with a PbCaSn alloy, play the role of both collector of current and support of the positive active mass. At ambient temperature, these alloys are prone to metallurgical transformation, which is followed by a drop of the mechanical properties and by a reduction of the corrosion resistance whatever the charge conditions are. The use of a heat treatment makes it possible to durably maintain alloy in the state in which the best behaviors are observed. The addition of tin in the alloy, associated to the heat treatment, allows to improve the properties of material more. Moreover the tin, like silver and rare earth, plays an essential role in the formation and the growth of the lead oxides, but on the properties of adherence of the corrosion layer during the tests of cycling too
Coupan, Frédéric. "Stockage pour les énergies renouvelables : évaluation et modélisation de la batterie plomb-acide." Thesis, Guyane, 2017. http://www.theses.fr/2017YANE0001/document.
Full textThis work has two parts. A first more "strategic" part concerning the importance of storage for renewable energies. An increasingly technical and increasingly precise part concerning the positioning of the electrochemical storage, the position of the Lead Acid battery, the technological variants, to arrive at a detailed electrochemical modeling of the type of battery retained.In the first section, Chapter 1 of the thesis highlights the good positioning of electrochemical storage for the needs of renewable energies. With respect to the random fluctuations of the resource, time is an important element of the discussion: storage time on the one hand, time of mobilization of stored energy on the other hand. In this respect, the specification for the production smoothing of a unit connected to the network is quite different from the storage applications for a stand-alone production system.The second chapter becomes more technical, when comparing the lead-acid battery with the other storage systems. The guiding idea is to support this discussion on arguments related to the physical basis of functioning of the components studied. At the same time, it is a pretext to begin the introduction of basic principles of electrochemistry that will be developed and used by the after. There are three main families: accumulators (examples lead acid battery, NiMH, Lithium ion), redox systems or more generally external fuel (example fuel cell) and super capacitors. Overall comparison unflattering for the average performance of the lead battery, saved by its good performance / price ratio.The third chapter explains the technological variants, which shows a great flexibility that allows compromises to adapt to a wide variety of specific needs. Attention has been given to identifying specific aspects which have not been explored and which can lead to improvements, in particular in the context of recent reaction mechanisms, 2In particular, at the positive electrode (linked in particular with the Pavlov demonstration of an intermediate phase between PbO 2 and the electrolyte, of Pb (OH) 2 gel, with poorly elucidated properties). In this chapter we have placed a detailed analysis of the hydrolysis, taking into account the direct recombination of O2 and H2 at the negative electrode also cited by Pavlov. These elements will be taken up and completed in Chapter 4 in modeling.Chapter 4, devoted to modeling and experimentation, is the culmination of the progressive work of introducing electrochemical bases applied to the battery. It will underline the central role of dissemination / migration mechanisms in the functioning.A first "mathematical" aspect concerns an approximation of the diffusion equations by a discrete component network, optimal in terms of the number of components. The overall model of the battery schematically be broken down into three main functions: diffusion, activation, hydrolysis. These functions are interconnected, but efforts will be made to introduce them successively in decoupled form (at least in an approximate manner). A first step is to obtain, largely from specific experiments, realistic values of the parameters of the model
Brissaud, Christine. "Etude morphologique et structurale des mécanismes de dégradation des batteries plomb/acide A recombinaison de gaz lors des tests de cyclage et de surchage." Lille 1, 1996. http://www.theses.fr/1996LIL10156.
Full textPerrin, Marion. "Contribution à l'amélioration des batteries au plomb fermées pour l'application au véhicule électrique." Nancy 1, 2001. http://docnum.univ-lorraine.fr/public/SCD_T_2001_0185_PERRIN.pdf.
Full textThiaux, Yaël. "Optimisation des profils de consommation pour minimiser les coûts économique et énergétique sur cycle de vie des systèmes photovoltaïques autonomes et hybrides - Evaluation de la technologie Li-ion." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2010. http://tel.archives-ouvertes.fr/tel-00502428.
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