Abstract: The invention relates to a process for the preparation of a cylindrical alkali metal-ion hybrid supercapacitor and to a cylindrical alkali metal-ion hybrid supercapacitor obtained according to said process.

Abstract: The invention concerns an electrical energy storage module (1) containing electrical energy storage elements (3), and a method for producing the same. This module is remarkable in that it comprises: —a parallelepiped easing (2) made of sheet metal, inside which said electrical energy storage elements (3) are housed, —at least one electronic board (4), arranged in a facade element (50), which is itself attached to one of the faces of said parallelepiped casing (2), and in that said electrical energy storage elements (3) are held in place and immobilised in the casing (2) by two layers of resin extending only over a portion of the height of same and arranged at the two ends of the electrical energy storage elements (3).

Abstract: The invention relates to an electrical energy storage module (1), comprising an enclosure (21) inside which is housed at least one electrical energy storage element (31), said enclosure (21) being closed by a cover (22) provided with two output terminals (41, 42) having positive and negative polarity respectively. Said module is remarkable in that at least one of the two output terminals (41, 42) comprises a flexible cable (410, 420) having an electrically conductive central core surrounded by an electrically insulating sleeve and provided at the free end thereof with an electrical connector (43, 44), and in that said flexible cable (410, 420) passes through the cover (22) in such a way as to present an electrical contact area (413, 423) on the inside face (222) of said cover, said electrical contact area (413, 423) being in electrical contact with said electrical energy storage element (31), and in that the output terminal (43, 41) comprises an electrical connector (44, 43).

Abstract: The invention relates to an electrical energy storage system (100) comprising at least one coiled electrical energy storage element placed inside an envelope (200), said envelope (200) containing the coiled electrical energy storage element in a main body (210) of the envelope (200) and including at least one lid (230, 240), characterized in that said lid (230, 240), placed at one end of the main body of the envelope (200) and electrically connected by electrical connection means (280) to the coiled electrical energy storage element, is fastened to the main body (210) of the envelope (200) by a bonding means (600). The invention is particularly applicable in the production of electrical energy storage assemblies such as supercapacitors, batteries or generators.

Abstract: The invention relates to a module comprising at least two electrical energy storage assemblies (20), each storage assembly (20) comprising a first face topped by a cover (30) electrically connected to said energy storage assembly (20) and a second face opposite the first face, each cover being in contact with a respective end of a strip (40) in order to electrically connect the two storage assemblies (20), in which the strip (40) and the faces of the covers (30) in contact with the strip (40) are flat, the strip (40) being welded to the faces of the covers (30) along weld leads (50, 50?).

Abstract: Module including a casing (10) in which a plurality of electric energy storage assemblies (20) are arranged so that their longitudinal axis are parallel to one another and perpendicular to an upper wall and a lower wall of the casing. Each electric storage assembly has a first face in thermal contact with and electrically insulated from the lower wall of the casing, and a second face opposite the first face. The second face is capped with a cover electrically connected to the energy storage assembly (20). The upper wall of the casing includes a holder for holding the storage assemblies against the lower wall of the casing which also allows swelling of the covers capping the second faces.

Abstract: The invention relates to a module including a housing (10) in which are provided at least two electric energy storage assemblies (20) connected by connection means (30) and at least one management electronic board (40) for managing the charging and discharging of the energy storage means (20), wherein the different walls of the housing (10) are in thermal contact while being electrically insulated, respectively, for at least one wall relative to the electric energy storage assemblies (20) and for at least another wall with the management electronic board (40), so as to promote the cooling of said module.

Abstract: The invention relates to a supercapacitor with a double electrochemical layer that comprises at least two complexes (2, 3) and at least one spacer (4) between the two complexes (2, 3), the complexes (2, 3) and the spacer (4) being spirally wound together in order to form a coiled member (10), characterized in that it further comprises at least another complex (1) and at least another spacer (4), the other complex (1) and the other spacer (4) being spirally wound together around the coiled member (10) in order to form at least one subsequent coiled member (20), the consecutive coiled members (10, 20) being separated by an electronic insulation space.

Abstract: The invention relates to a supercapacitor that comprises at least two juxtaposed complexes (1, 2) spaced by a distance d, and at least one common complex (3) located opposite the two juxtaposed complexes (1, 2) and spaced therefrom by at least one spacer (4), the spacer (4) and the complexes (1, 2, 3) being spirally wound together in order to form a coiled element.

Abstract: The invention relates to a method for making an electric energy storage assembly (1) including a cylindrical coil member (10) having a current collecting section at each end thereof, wherein the method comprises the step of radially coating at least one current collecting section at the end thereof from the center to the periphery of the end of the collecting section. The invention also relates to a device for implementing said method and to a storage assembly obtained by said method.

Abstract: The present invention relates to a device to prevent overpressure in a supercapacitor. In a supercapacitor comprising a closed chamber fitted with means for exchanging a gas with the external surroundings and in which there are positioned two electrodes with a high specific surface area, separated by a separator, the separator and the electrodes being impregnated with an electrolyte, the means for exchanging a gas comprise a metallic membrane that is permeable to hydrogen and its isotopes and impermeable to gaseous species which have an effective cross section of 0.3 nm or higher, at a temperature of between ?50° C. and 100° C.

Abstract: The invention relates to an electrical energy storage system (100) comprising at least one coiled electrical energy storage element placed inside a casing (200), said casing (200) containing the coiled electrical energy storage element in a main body (210) of the casing (200) and including at least one cover (230, 240), characterized in that said cover (230, 240), placed at one end of the main body of the casing (200) and electrically connected by electrical connection means (280) to the coiled electrical energy storage element, is fastened to the main body (210) of the casing (200) by a bonding means (600). The invention is particularly applicable in the production of electrical energy storage assemblies such as supercapacitors, batteries or generators.

Abstract: An electric energy storage component having coil windings and at least one connector. A plate of the connector is in contact with the coil windings. The plate of the connector has a surface which is provided with a terminal wherein the shape thereof is essentially that of a revolution. The plate also forms a series of bosses extending in a raised manner along a surface of the plate opposite to that containing the terminal. The terminal has at least one inner recess and at least one boss which penetrates into the recess.

Abstract: The invention relates to a supercapacitor with a double electrochemical layer that comprises at least two complexes (2, 3) and at least one spacer (4) between the two complexes (2, 3), the complexes (2, 3) and the spacer (4) being spirally wound together in order to form a coiled member (10), characterised in that it further comprises at least another complex (1) and at least another spacer (4), the other complex (1) and the other spacer (4) being spirally wound together around the coiled member (10) in order to form at least one subsequent coiled member (20), the consecutive coiled members (10, 20) being separated by an electronic insulation space.

Abstract: The present invention relates to a device to prevent overpressure in a supercapacitor. In a supercapacitor comprising a closed chamber fitted with means for exchanging a gas with the external surroundings and in which there are positioned two electrodes with a high specific surface area, separated by a separator, the separator and the electrodes being impregnated with an electrolyte, the means for exchanging a gas comprise a metallic membrane that is permeable to hydrogen and its isotopes and impermeable to gaseous species which have an effective cross section of 0.3 nm or higher, at a temperature of between ?50° C. and 100° C.

Abstract: The invention relates to a method for making an electric energy storage assembly (1) including a cylindrical coil member (10) having a current collecting section at each end thereof, wherein the method comprises the step of radially coating at least one current collecting section at the end thereof from the centre to the periphery of the end of the collecting section. The invention also relates to a device for implementing said method and to a storage assembly obtained by said method.

Abstract: The invention relates to a supercapacitor that comprises at least two juxtaposed complexes (1, 2) spaced by a distance d, and at least one common complex (3) located opposite the two juxtaposed complexes (1, 2) and spaced therefrom by at least one spacer (4), the spacer (4) and the complexes (1, 2, 3) being spirally wound together in order to form a coiled element.

Abstract: The invention relates to a module including a housing (10) in which is provided at least one electric energy storage assembly (20) that comprises a first face in thermal contact with and electrically insulated from at least the lower wall of the housing, and a second face opposite the first, the second face being covered by a lid electrically connected to said energy storage assembly wherein the module includes a means for maintaining the storage assembly in association with the wall of the housing on the one hand, and allowing a swell of the lid covering the second face on the other hand.

Abstract: The invention relates to a module comprising at least two electrical energy storage assemblies (20), each storage assembly (20) comprising a first face topped by a cover (30) electrically connected to said energy storage assembly (20) and a second face opposite the first face, each cover being in contact with a respective end of a strip (40) in order to electrically connect the two storage assemblies (20), in which the strip (40) and the faces of the covers (30) in contact with the strip (40) are flat, the strip (40) being welded to the faces of the covers (30) along weld leads (50, 50?).

Abstract: The invention relates to a module including a housing (10) in which are provided at least two electric energy storage assemblies (20) connected by connection means (30) and at least one management electronic board (40) for managing the charging and discharging of the energy storage means (20), wherein the different walls of the housing (10) are in thermal contact while being electrically insulated, respectively, for at least one wall relative to the electric energy storage assemblies (20) and for at least another wall with the management electronic board (40), so as to promote the cooling of said module.