Search Results - "Tressaud, A."

Fluorinated carbonaceous nanoparticles as active material in primary lithium battery by Tressaud, A., Groult, H.

“…Discharge curves at various rates of a) primary Li-ion batteries with fluorinated carbon nanoparticles (CF∼0.43) as active electrode material (b)TEM image of…”
Get full text

Electrochemical formation of carbon nano-powders with various porosities in molten alkali carbonates by Le Van, K., Groult, H., Lantelme, F., Dubois, M., Avignant, D., Tressaud, A., Komaba, S., Kumagai, N., Sigrist, S.

“…The electrochemical reduction of molten Li–Na–K carbonates at the eutectic composition was (43.5/31.5/25 mol%) performed in the range 450–700 °C. The analysis…”
Get full text

Modification of surface properties of carbon-based and polymeric materials through fluorination routes: From fundamental research to industrial applications by Tressaud, A., Durand, E., Labrugère, C., Kharitonov, A.P., Kharitonova, L.N.

“…Treatments involving F 2, fluorinated gases and rf plasma-enhanced fluorination (PEF) constitute exceptional tools for modifying the surface properties of…”
Get full text

Comparison of the surface modifications of polymers induced by direct fluorination and rf-plasma using fluorinated gases by Kharitonov, A.P., Simbirtseva, G.V., Tressaud, A., Durand, E., Labrugère, C., Dubois, M.

“…AFM of high density polyethylene. Virgin direct fluorination, 20°C C4F8 plasma, 25°C CF4 plasma, 90°C. •UHMWPE and HDPE surfaces were modified using two…”
Get full text

Crystal structure and phase transition mechanisms in CsFe2F6 by Molokeev, M.S., Bogdanov, E.V., Misyul, S.V., Tressaud, A., Flerov, I.N.

“…For the first time, structural phase transitions induced by the temperature were found in AxMxIIM(1−x)IIIF3 fluorides with the defect pyrochlore structure…”
Get full text

About MX3 and MX2 (Mn+=Mg2+, Al3+, Ti4+, Fe3+; Xp−=F−, O2−, OH−) nanofluorides by Demourgues, A., Penin, N., Dambournet, D., Clarenc, R., Tressaud, A., Durand, E.

“…Several nanosized fluoro-compounds have been prepared by microwave-assisted solvothermal routes: Al3+-, Fe3+- and Ti4+-based oxyfluorides with the hexagonal…”
Get full text

Fluorination of carbon blacks: An X-ray photoelectron spectroscopy study: I. A literature review of XPS studies of fluorinated carbons. XPS investigation of some reference compounds by Nansé, G., Papirer, E., Fioux, P., Moguet, F., Tressaud, A.

“…A critical review of the literature relative to the chemical characterisation of fluorinated carbon compounds by X-ray photoelectron spectroscopy is proposed…”
Get full text

Phase transitions in elpasolites (ordered perovskites) by Flerov, I.N., Gorev, M.V., Aleksandrov, K.S., Tressaud, A., Grannec, J., Couzi, M.

“…Many compounds with general chemical formula A 2BB′X 6 and with tolerance factor value t < 1 crystallize in the elpasolite (ordered perovskite) structure…”
Get full text

Structural features of zinc hydroxyfluoride by Serier, H., Gaudon, M., Demourgues, A., Tressaud, A.

“…Zinc hydroxyfluoride (ZnOHF), obtained by coprecipitation of a zinc salt in aqueous HF, exhibits a variable stoichiometry Zn(OH) 2− x F x , where x is tuneable…”
Get full text

Study of the fluorination of carbon anode in molten KF-2HF by XPS and NMR investigations by Crassous, I., Groult, H., Lantelme, F., Devilliers, D., Tressaud, A., Labrugère, C., Dubois, M., Belhomme, C., Colisson, A., Morel, B.

“…During the electrolysis of molten KH-2HF, a solid CF film is formed on carbon anodes. The influence of the potential applied to the anode on the composition of…”
Get full text

Access to Highly Fluorinated Silica by Direct F2 Fluorination: Chemical Compositions and FTIR Investigations by Lataste, E, Demourgues, A, Leclerc, H, Goupil, J.-M, Vimont, A, Durand, E, Labrugère, C, Benalla, H, Tressaud, A

“…The direct F2 gas fluorination of a mesoporous silica gel has been shown to be a unique method leading to very high levels of fluorination (up to 13 wt % F in…”
Get full text

Modification of the surface of nanodisperse amorphous silica prepared by fluoride technology by Demyanova, L. P., Tressaud, A.

“…The physicochemical properties of amorphous silica prepared by the fluoride technology are studied; the surface of silica is modified by direct fluorination…”
Get full text

Plasma treatment of expanded PTFE offers a way to a biofunctionalization of its surface by Baquey, Ch, Palumbo, F., Porte-Durrieu, M.C., Legeay, G., Tressaud, A., d’Agostino, R.

“…Biointegration is the ideal outcome which is expected for an artificial implant. That means that the phenomena which seats at the interface between the implant…”
Get full text

Fluorinated carbon blacks: influence of the morphology of the starting material on the fluorination mechanism by Tressaud, A, Shirasaki, T, Nansé, G, Papirer, E

“…The effect of fluorination, using CF 4 r.f. plasmas, has been studied on three different types of carbon blacks: a thermal black, a furnace black and a high…”
Get full text

Fluorination of carbon blacks: an X-ray photoelectron spectroscopy study: IV. Reactivity of different carbon blacks in CF4 radiofrequency plasma by Shirasaki, T, Moguet, F, Lozano, L, Tressaud, A, Nanse, G, Papirer, E

“…The effect of CF4-plasma enhanced fluorination on the surface modification of carbon blacks has been examined using XPS. Three different types of carbon blacks…”
Get full text

On the nature of CF bonds in various fluorinated carbon materials: XPS and TEM investigations by Tressaud, A., Moguet, F., Flandrois, S., Chambon, M., Guimon, C., Nanse, G., Papirer, E., Gupta, V., Bahl, O.P.

“…The different types of CF interactions have been evidenced from XPS investigations on fluorinated carbonaceous materials. The respective amount of the C1s and…”
Get full text

Fluorination of carbon blacks. An X-ray photoelectron spectroscopy study. Part II. XPS study of a furnace carbon black treated with gaseous fluorine at temperatures below 100 °C. Influence of the reaction parameters and of the activation of the carbon black on the fluorine fixation by Nansé, G., Papirer, E., Fioux, P., Moguet, F., Tressaud, A.

“…The fluorination of a furnace carbon black (N115 from Degussa) with gaseous F 2, diluted in N 2, at room temperature was studied by XPS. The influence of the…”
Get full text

Properties of amorphous silica generated by the fluoride method by Demyanova, L. P., Tressaud, A., Buzare, J. -Y., Martineau, C., Legein, C., Malovitski, Yu. N., Rimkevich, V. S.

“…A study of amorphous silica generated from mineral material by the fluoride method and by different procedures of analysis, i.e., x-ray diffraction, x-ray…”
Get full text

Graphite intercalation compounds of platinum-metal and gold fluorides by Tressaud, A., Hagenmuller, P.

“…Intercalation of platinum-metal fluorides into graphite has been carried out using either the gas–solid reaction with gaseous RuF 5 or OsF 5, or the…”
Get full text

19F High Magnetic Field NMR Study of β-ZrF4 and CeF4:  From Spectra Reconstruction to Correlation between Fluorine Sites and 19F Isotropic Chemical Shifts by Legein, C, Fayon, F, Martineau, C, Body, M, Buzaré, J.-Y, Massiot, D, Durand, E, Tressaud, A, Demourgues, A, Péron, O, Boulard, B

“…High magnetic field and high spinning frequency one- and two-dimensional one-pulse MAS 19F NMR spectra of β-ZrF4 and CeF4 were recorded and reconstructed…”
Get full text