Commissariat a L'energie Atomique Et Aux Energies Alternatives

Centre National De La Recherche Scientifique

Université Du Mans

Protec Industrie

Renaud Cornut

Stéphane Campidelli

Gaëlle Charrier

Guy Deniau

Dominique Ausserre

Vincent Derycke

Manuel Ausserre

Céline Barchasz

Bruno Jousselme

Aurélien Doublet

Gaelle Charrier

Aurelien Doublet

The use of the scanning electrochemical microscopy to predict the corrosion resistance results which would be obtained for a surface S1 having undergone an anticorrosion treatment if the surface S1 was subjected to a salt fog corrosion test, which use comprises an analysis of the surface S1 by scanning electrochemical microscopy.

Use of scanning electrochemical microscopy as a predictive technique in a salt fog corrosion test

The invention relates to the field of localized surface analysis, characterization and modification by electrochemistry. It particularly relates to a portable electrochemical microscopy device, to kits comprising such a portable device, and to uses of the portable device and kits. According to the invention, the portable device comprises: a body having a gripping surface for a user and a bearing surface that can be applied to a surface of a substrate to be analyzed; an electrolytic chamber formed in the body and arranged so as to receive an electrolyte, the electrolytic chamber comprising an opening leading to the bearing surface; and a working probe having a distal end arranged in the electrolytic chamber.

Portable electrochemical microscopy device, kits comprising same and uses thereof

A contrast-amplifying carrier for observing a sample, includes a transparent substrate bearing at least one absorbent coating suitable for behaving as an antireflection coating when it is illuminated at normal incidence at an illumination wavelength &#x3bb; through the substrate and when the face of the coating opposite the substrate is in contact with a medium referred to as a transparent ambient medium, the refractive index nof which is lower than that of the refractive index nof the substrate. The absorbent coating comprises: an absorbent sublayer referred to as the contrast sublayer, deposited on the surface of the transparent substrate; and an absorbent layer referred to as the sensitive layer, distinct from the contrast sublayer and comprising between 1 and 5 sheets of a graphene-type material. Methods for producing and for using such a contrast-amplifying carrier are also provided.

Contrast-amplifying carriers using a two-dimensional material

A method is provided for positioning a micro- or nano-object on a planar support by displacement performed under visual control, wherein the micro- or nano-object is immersed in a transparent medium, called ambient medium, having a refractive index n; the planar support comprises a transparent substrate of refractive index n&#x3e;non which is deposited at least one optically absorbent layer, adapted to behave as antireflection coating when it is lit at normal incidence with a lighting wavelength &#x3bb; through the substrate; and the visual control comprises the lighting of the micro- or nano-object at least with the wavelength &#x3bb; through the substrate, and the observation thereof also through the substrate. A method to scanning probe microscopy and to the assembly of nanostructures is provided.

Method and apparatus for positioning a micro- or nano-object under visual observation

The invention relates to a lithium accumulator comprising at least one electrochemical cell comprising an electrolyte positioned between a positive electrode and a negative electrode, said positive electrode comprising a positive electrode material comprising a carbonaceous material selected from carbon nanotubes, graphene or derivatives of graphene selected from graphene oxides, reduced graphene oxides, said carbonaceous material is covalently functionalized by at least one organic compound comprising at least one electron attractor group.

Lithium accumulator comprising a positive electrode material based on a specific carbon material functionalized by specific organic compounds

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Chatillon, France

Renaud Cornut