Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Eric Mayousse

Rémi Vincent

Philippe Azais

Denis Tremblay

Benoît Chavillon

Ronan Invernizzi

Maxime Schroder

Caroline Rozain

Lionel Blanc

A negative electrode for a lithium electrochemical generator, wherein it comprises, as active material, a lithium and calcium alloy, wherein the calcium is present in the alloy to the extent of 2% to 34% of atomic.

Specific negative electrode based on lithium and lithium electrochemical generator comprising such a negative electrode

A lithium-sulfur accumulator comprising at least one electrochemical cell comprising a positive electrode comprising, as active material, at least one sulfur-containing material, a negative electrode and an electrolyte conducting lithium ions disposed between the negative electrode and the positive electrode, wherein the negative electrode comprises, as active material, a lithium and calcium alloy, wherein the calcium is present in the alloy to the extent of 2% to 34% atomic.

Lithium electrochemical accumulator of the lithium-sulfur type comprising a specific negative-electrode material

A lithium-air or lithium-oxygen electrochemical generator comprising at least one electrochemical cell comprising a positive electrode, a negative electrode and an electrolyte conducting lithium ions disposed between the negative electrode and the positive electrode wherein the negative electrode comprises, as active material, a lithium and calcium alloy.

Lithium electrochemical generator of the lithium-oxygen or lithium-air type comprising a specific negative electrode material

An active layer/membrane assembly to be incorporated into a hydrogen production device comprises an active layer in contact with a membrane capable of exchanging ions, the active layer comprising catalyst particles and particles referred to as support particles, wherein the size of the support particles is greater than the thickness of the active layer, so that the support particles emerge from the active layer, at the surface opposite the surface in contact with the membrane. A unit comprising the assembly and a porous current collector, the assembly and the collector having a complementarity of surface finish is provided. A process for manufacturing the assembly is also provided.

Active layer/membrane arrangement for a hydrogen production device and assembly comprising said arrangement suitable for a porous current collector and method for producing the arrangement

A method of attachment between a metal collector and a carbon felt of a battery includes the steps of impregnation of the pores of the carbon felt with a mixture of metal powder and of a binder, locally performed in at least one predetermined area of the carbon felt; and spot welding between the metal collector and the carbon felt impregnated with the metal powder, performed at the level of said at least one predetermined area.

Method for attachment between a metal collector and a carbon felt of a battery and battery produced by the method

A process for manufacturing a catalytic electrode includes depositing an electrocatalytic ink on a carrier, wherein the electrocatalytic ink includes an electrocatalytic material and a product polymerizable into a protonically conductive polymer. The process also includes solidifying the electrocatalytic ink so as to form an electrode wherein the composition of the product polymerizable into a protonically conductive polymer and its proportion in the ink is defined so that the electrode formed has a breaking strength greater than 1 MPa. The process further includes separating the electrode formed from the carrier.

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Grenoble, France

Eric Mayousse