[PDF] Top 20 Direct electrochemical reduction of solid uranium oxide in molten fluoride salts
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Direct electrochemical reduction of solid uranium oxide in molten fluoride salts
... The direct electrochemical reduction of UO 2 solid pellets was carried out in LiF–CaF 2 (+2 ...instead of the usual reactive sacrificial carbon anode. In this case, ... Voir le document complet
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Direct electrochemical reduction of solid uranium oxide in molten fluoride salts
... carbides in the reduced cathodic ...for direct reduction exper- ...presence of any carbide ...presence of metallic uranium at the grain boundary, showing that the reduc- tion ... Voir le document complet
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Electrochemical extraction of europium from molten fluoride media
... Introduction In France, alternative solutions for radioactive wastes manage- ment are under examination since 1991, in the frame of Partitioning and Transmutation (P&T) concepts aiming at ... Voir le document complet
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Electrochemical behavior of plutonium fluoride species in LiF-CaF2 eutectic melt
... 3.2. Reduction mechanism of plutonium fluoride on inert electrode ...firmation of the thermodynamic predictions Square wave voltammetry was used to verify the previous thermodynamic ...consists ... Voir le document complet
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Zirconium(IV) electrochemical behavior in molten LiF-NaF
... photograph of the obtained deposit, where it can be noted that the coating is covered by cooled ...parts of the deposit are clearly visible and indicate a metallic dendritic ...structure. In order to ... Voir le document complet
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<i>In situ</i> reduction and evaluation of anode supported single chamber solid oxide fuel cells
... A reduction of the anode under working condition does not always succeed [14], and takes very long time when it happens; Akhtar et ...a reduction under pure methane but the anode ... Voir le document complet
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Electrochemical behavior of plutonium fluoride species in LiF-CaF2 eutectic melt
... domains of plutonium species in fluoride media at T ¼ 1113 K using HSC ...function of the oxide content de fined by pCaO ¼ -log (a CaO ...Activities of soluble species (PuF 3 and PuF 4 ) ... Voir le document complet
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Cyclic Voltammetric Experiment - Simulation. Comparisons of the Complex Mechanism Associated with Electrochemical Reduction of Zr4+ in LiCl-KCl Eutectic Molten Salt
... concentrations in the bath. The reactor head consisted of an 8-port borosilicate ground glass vacuum ...The oxide layer on a WE was removed with 4000 grit SiC paper, then rinsed with dilute nitric ... Voir le document complet
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Zirconium(IV) electrochemical behavior in molten LiF-NaF
... cathode in order to demonstrate the feasibility of metallic Zr electrodeposition in molten fluoride ...The in fluence of the operating parameters on the electroplating of ... Voir le document complet
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Modified coin cells to evaluate the electrochemical properties of solid-state fluoride-ion batteries at 150°C
... loss of sealing properties of the cell, and therefore, to the oxidation of the battery ...sealing of Swagelok type cells is generally ensured by polytetrafluoroethylene (PTFE) ...temperature ... Voir le document complet
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Accelerated atomistic prediction of structure, dynamics and material properties in molten salts
... In atomistic simulation, the goal is generally to identify the Born-Oppenheimer potential energy surface ...energy of a system given its atomic coordinates and atomic ...category of supervised ... Voir le document complet
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High performance direct ammonia fueled solid oxide fuel cells based on proton conducting solid electrolytes
... comprising of BSCF (Ba ...characterization of BSCF, including electrical conductivities of sintered specimen as a function of temperature has been conducted to investigate the possibility to ... Voir le document complet
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Cyclic Voltammetric Experiment - Simulation. Comparisons of the Complex Mechanism Associated with Electrochemical Reduction of Zr4+ in LiCl-KCl Eutectic Molten Salt
... forms of analysis of the complex electrochemical reduction of ...aim of the present study therefore is to probe the reac- tion mechanism for zirconium electroreduction in ... Voir le document complet
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Performance predictions in solid oxide fuel cells
... an in-house code based on the assumption that the flow at the inlets to the fuel cell is known and constant, was ...solution of the momen- tum and pressure-correction equations is not ...known ... Voir le document complet
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Calculations of transport phenomena in solid-oxide fuel cells
... distribution in single Type 1 and 2 SOFC’s for a constant heat source, corresponding to typical average operating conditions for the ...distribution in a Type 2 cell with the source term computed according ... Voir le document complet
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Performance predictions in solid oxide fuel cells
... program of numerical analysis of planar solid oxide fuel cells and stacks of fuel ...The solid oxide fuel cell is a solid-state device which converts chemical ... Voir le document complet
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Lanthanides extraction processes in molten fluoride media. Application to nuclear spent fuel reprocessing
... beginning of the nineties, the reprocessing of nuclear wastes has become a priority for most of the nations using nuclear energy for electricity ...radiotoxicity of nuclear wastes, by ... Voir le document complet
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Solid-like rheological response of non-entangled polymers in the molten state
... origin of the non-linear ...description in terms of flow behaviour. First observations of solid-like behaviours in polymers have been identified at molecularly thin (10- 40nm) ... Voir le document complet
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Oxygen reduction reaction activity and electrochemical stability of thin-film bilayer systems of platinum on niobium oxide
... curve of 10 nm niobium oxide films on GC, without the Pt ...rate of 50 mV/s. No specific reduction peaks emerged on the cathodic scans for all three ...V. In the reverse scan no ... Voir le document complet
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Actinides separation chemistry in molten salts and its applications at the CEA
... Molten salts: ionic liquids Non ideal behaviour liquids: notion of activity must be considered. Activity: active concentration. Electrostatic interaction between different species decrease their ... Voir le document complet
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