Abstract: Method A method for manufacturing an anode having a porosity of between 25% and 50% by volume, wherein: (a) a substrate and a colloidal suspension or a paste composed of monodispersed primary nanoparticles, in the form of agglomerates or dispersed, is provided of at least one active material of anode A selected from niobium oxides and mixed oxides of niobium with titanium, germanium, cerium, lanthanum, copper or tungsten, with an average primary diameter D50 of between 2 nm and 100 nm; (b) on at least one face of the substrate a layer of said colloidal suspension or paste provided in step (a) is deposited by a method selected from the group including: electrophoresis, extrusion, a printing process and preferably inkjet printing or flexographic printing, a coating method and preferably doctor blade coating, roll coating, curtain coating, dip coating or through a slot die; (c) the layer obtained in step (b) is dried and consolidated by pressing and/or heating to obtain a porous layer.

Abstract: The invention relates to a method for producing a porous electrode, said electrode comprising a layer deposited on a substrate, said layer being binder-free and having a porosity of more than 30 volume %, and preferably less than 50 volume %, and pores having an average diameter of less than 50 nm, said method being characterized in that: a colloidal suspension is provided, containing aggregates or agglomerates of nanoparticles of at least one material P having an average primary diameter D50 of less than or equal to 80 nm, and preferably less than or equal to 50 nm, said aggregates or agglomerates having an average diameter comprised between 80 nm and 300 nm (preferably between 100 nm and 200 nm), a substrate is provided, a porous, preferably mesoporous, electrode layer is deposited on said substrate by electrophoresis, by ink-jet, by doctor blade, by roll coating, by curtain coating or by dip-coating, from said colloidal suspension provided in step (a); said layer obtained in step (c) is dried, preferabl

Abstract: The invention relates to methods for producing a porous electrode, said electrode comprising a layer deposited on a substrate, being binder-free and having a porosity of more than 30 and less than 50 volume %, and pores having an average diameter of less than 50 nm, said method comprising: (a) providing a colloidal suspension containing aggregates or agglomerates of nanoparticles of at least one material P having an average primary diameter of 80 nm or less, said aggregates or agglomerates having an average diameter comprised between 80 nm and 300 nm, (b) providing a substrate, (c) depositing a mesoporous, electrode layer on the substrate by electrophoresis, ink-jet, doctor blade, roll coating, curtain coating or dip-coating, from the colloidal suspension provided in step (a); (d) drying said layer, preferably in an air flow, and (e) consolidating the porous, preferably mesoporous electrode layer obtained in step (d) by pressing and/or heating.

Abstract: A method for manufacturing an anode having a porosity of between 25% and 50% by volume, wherein: (a) a substrate and a colloidal suspension or a paste composed of monodispersed primary nanoparticles, in the form of agglomerates or dispersed, is provided of at least one active material of anode A selected from niobium oxides and mixed oxides of niobium with titanium, germanium, cerium, lanthanum, copper or tungsten, with an average primary diameter D50 of between 2 nm and 100 nm; (b) on at least one face of said substrate a layer of the colloidal suspension or paste provided in step (a) is deposited by a method selected from the group including: electrophoresis, a printing process and preferably inkjet printing or flexographic printing, a coating method and preferably doctor blade coating, roll coating, curtain coating, dip coating or through a slot die; (c) the layer obtained in step (b) is dried and consolidated by pressing and/or heating to obtain a porous layer.

Abstract: An anodic member, an electrochemical device having an anodic member, and a method for manufacturing an anodic member for a lithium-ion battery. The method uses nanoparticles of an electrically insulating material that conducts lithium ions, is stable in contact with metallic lithium, does not insert lithium at potentials of between 0 V and 4.3 V with respect to the potential of the lithium, and has a relatively low melting point.

Abstract: An anodic member, an electrochemical device having an anodic member, and a method for manufacturing an anodic member for a lithium-ion battery. The method uses nanoparticles of an electrically insulating material that conducts lithium ions, is stable in contact with metallic lithium, does not insert lithium at potentials of between 0 V and 4.3 V with respect to the potential of the lithium, and has a relatively low melting point.

Abstract: Systems, methods, and apparatus for encapsulating objects like that of microelectronic components and batteries. The system includes three successive layers that include a first covering layer composed of an electrically insulating material deposited by atomic layer deposition, which at least partly covers the object, a second covering layer that includes parylene and/or polyimide, and which is disposed on the first covering layer, and a third covering layer deposited on the second covering layer in such a way as to protect the second encapsulation layer, namely, with respect to oxygen, and thereby increase the service life of the object.

Abstract: A method for producing an all-solid multilayer battery, and an all-solid multilayer battery. The all-solid multilayer battery may be produced by depositing, by electrophoresis without any binder, at least one anode layer, at least one electrolyte layer, and at least one cathode layer. The at least one electrolyte layer, and the at least one cathode layer are obtained from a colloidal suspension containing nanoparticles that are not agglomerated with each other to create clusters and remain isolated from each other. A layer of Ms bonding material is then deposited on a surface of the at least one electrolyte layer. Next, two layers from the at least one dense anode layer, the at least one dense electrolyte layer, and the at least one dense cathode layer, are stacked face-to-face to obtain the all-solid multilayer battery having an assembly of a plurality of elementary cells connected with one another in parallel.

Abstract: A hot-pressing tool mounted on a press and operable under a controlled atmosphere, a method for implementing such a hot-pressing tool, and a facility for manufacturing objects that includes such a hot-pressing tool. The tool includes a first tool portion having a first fastening device to fasten onto a first platen, a second tool portion having a second fastening device to fasten onto a second platen. The first fastening device and the second fastening device are mobile with respect to one another to define a pressing chamber having an inner volume which is heated via a heating device. The first fastening device and the second fastening device each respectively have a pressing member to exert a pressing force on opposite faces of an object to be pressed in the pressing chamber. The heating device is to heat via optical radiation that is concentrated on the object via a concentration device.

Abstract: Systems, methods, and apparatus for encapsulating objects like that of microelectronic components and batteries. The system includes three successive layers that include a first covering layer composed of an electrically insulating material deposited by atomic layer deposition, which at least partly covers the object, a second covering layer that includes parylene and/or polyimide, and which is disposed on the first covering layer, and a third covering layer deposited on the second covering layer in such a way as to protect the second encapsulation layer, namely, with respect to oxygen, and thereby increase the service life of the object.

Abstract: Battery comprising at least one anode and at least one cathode, arranged on top of one another in an alternating manner, the battery comprising lateral edges and longitudinal edges, in which the anode comprises a current collector substrate, —at least one anode layer, and—optionally, a layer of an electrolyte material, and the cathode comprises: —a current collector substrate, at least one cathode layer, and—optionally a layer of an electrolyte material such that the battery comprises successively at least one anode layer, at least one layer of an electrolyte material and at least one cathode layer, characterized in that each anode and each cathode comprises a respective main body, separated from a respective secondary body by a space that is free of any electrode, electrolyte and/or current collector substrate material, the free space joining or extending between the opposite longitudinal edges of the battery.

Abstract: Contact unit for an electronic or electrochemical device such as a battery, intended to create electrical contact with an external conductor element, said electronic or electrochemical device comprising a contact surface defining an electrical connection area, characterized in that the contact unit comprises a first layer, arranged on at least the electrical connection area, this first layer comprising a material filled with electrically conductive particles, preferably a polymer resin and/or a material obtained using a sol-gel process and filled with electrically conductive particles, and even more preferably a polymer resin filled with graphite.

Abstract: A process for fabrication of a battery that includes providing a colloidal suspension of particles conducting lithium ions and providing two conducting substrates as battery current collectors, at least one surface of the conducting substrates being at least partially coated with one of a cathode film and an anode film, and depositing an electrolyte film by electrophoresis, from a suspension of electrolyte material particles, on at least one of said anode film, said cathode film and said conducting substrates.

Abstract: An all-solid battery including a solid electrolyte made of a cross-linked polymer material, and which has good mechanical resistance and superior ionic conductivity.

Abstract: Process for fabrication of all-solid-state thin film batteries, said batteries comprising a film of anode materials, a film of solid electrolyte materials and a film of cathode materials, in which: each of these three films is deposited using an electrophoresis process, the anode film and the cathode film are each deposited on a conducting substrate, preferably a thin metal sheet or band, or a metalized insulating sheet or band or film, said conducting substrates or their conducting elements being useable as battery current collectors, the electrolyte film is deposited on the anode and/or cathode film, and in which said process also comprises at least one step in which said sheets or bands are stacked so as to form at least one battery with a “collector/anode/electrolyte/cathode/collector” type of stacked structure.

Abstract: Process for deposition of a dense thin film comprising at least one material Px on a substrate, in which: (a) a colloidal suspension is procured containing nanoparticles of at least one material Px, (b) said substrate is immersed in said colloidal suspension, jointly with a counter electrode, (c) an electrical voltage is applied between said substrate and said counter electrode so as to obtain the electrophoretic deposition of a compact film comprising nanoparticles of said at least one material Px on said substrate, (d) said compact film is dried, (e) said film is mechanically consolidated, (f) thermal consolidation is carried out at a temperature TR that does not exceed 0.7 times (and preferably does not exceed 0.5 times) the melting or decomposition temperature (expressed in ° C.) of the material Px that melts at the lowest temperature, preferably at a temperature of between 160° C. and 600° C., and even more preferably at a temperature of between 160° C. and 400° C.

Abstract: A process for producing all-solid, thin-layer batteries that do not lead to the appearance of phases at the interface between electrolyte layers to be assembled. Such a process for producing a battery may occur at low temperature without causing inter-diffusion phenomena at the interfaces with the electrodes.

Abstract: A method for producing an all-solid multilayer battery, and an all-solid multilayer battery. The all-solid multilayer battery may be produced by depositing, by electrophoresis without any binder, at least one anode layer, at least one electrolyte layer, and at least one cathode layer. The at least one electrolyte layer, and the at least one cathode layer are obtained from a colloidal suspension containing nanoparticles that are not agglomerated with each other to create clusters and remain isolated from each other. A layer of Ms bonding material is then deposited on a surface of the at least one electrolyte layer. Next, two layers from the at least one dense anode layer, the at least one dense electrolyte layer, and the at least one dense cathode layer, are stacked face-to-face to obtain the all-solid multilayer battery having an assembly of a plurality of elementary cells connected with one another in parallel.

Abstract: Process for fabrication of all-solid-state thin film batteries, said batteries comprising a film of anode materials (anode film), a film of solid electrolyte materials (electrolyte film) and a film of cathode materials (cathode film) in electrical contact with a cathode collector, characterized in that: a first electrode film (cathode or anode) is deposited by electrophoresis on a conducting substrate or a substrate with at least one conducting zone, said substrate or said at least one conducting zone possibly being used as a collector of said electrode current (anode or cathode current) of the micro-battery, the electrolyte film is deposited by electrophoresis on said first electrode film, a second electrode film (anode or cathode) is deposited on the electrolyte film either by electrophoresis or by a vacuum deposition process.

Abstract: Process for the fabrication of a solid electrolyte thin film for an all-solid state Li-ion battery comprising steps to: a) Procure a possibly conducting substrate film, possibly coated with an anode or cathode film, b) Deposit an electrolyte thin film by electrophoresis, from a suspension of particles of electrolyte material, on said substrate and/or said previously formed anode or cathode film, c) Dry the film thus obtained, d) Consolidate the electrolyte thin film obtained in the previous step by mechanical compression and/or heat treatment.