Abstract: An electro-active material, including a mixture of a first component including at least a first compound of formula (I) LixMnOy and a second component including at least a second compound of formula (II) LixHyV3O8, wherein in formula (I): 0?x?2, 1?y?3, and 2?2y?x?5, and wherein in formula (II): 0?x?4.5, 0.01?y?2, and 0.01?x+y?6.5. The first compound is in the form of particles having a certain particle size and the second compound is in the form of nanoparticles having a certain particle size or nanofibers having certain dimensions. The first and second components are present in amounts of 1:99% to 99:1% by weight, and the mixture, upon being mechanically pressed in a range of 20 to 70 KN with a die, has a synergic effect of pressed density (SEPD) greater than 100%.

Abstract: A cell, in particular a button cell, and to a method for manufacturing such a cell, the method includes providing a first part and a second part intended to respectively form the lid and the cup of the housing, the first part including an edge area with a zone inclined or perpendicular with respect to a center axis of the housing; applying a layer of adhesive on the edge area of the first part; then inserting the first part into an open end of the second part, the layer of adhesive on the edge area being finally turned towards the open end of the second part; closing the housing by bending an upper portion of the side wall on the zone of the edge area provided with the layer of adhesive, and curing the layer of adhesive to form an adhesive joint sealing the housing.

Abstract: A battery sealing device, including an upper pressing member, a polar rod, a battery cover plate, and a sealing member. The polar rod includes polar rod large and small ends, and a polar rod connecting plate. The upper pressing member includes an upper pressing through hole matched with the periphery of the polar rod large end. The battery cover plate includes a cover plate through hole; the polar rod large end penetrates through the upper pressing through hole and the cover plate through hole; the upper pressing member arranged above the battery cover plate. The sealing member includes an upper sealing element formed between the upper pressing member and the battery cover plate, an intermediate sealing element formed in the gap between the cover plate through hole and the polar rod large end, and a lower sealing element formed between the battery cover plate and the polar rod connecting plate.

Abstract: The invention relates to a blister pack (1) for a button battery, comprising a blister foil (4) designed to form at least one housing for receiving at least one button battery, and integral with a base (2). According to the invention, the blister pack comprises, between the base (2) and the blister foil (4), a reinforcing foil (6) which has inter alia a tensile strength of between 1,200 kg/cm2 and 3,100 kg/cm2according to the ASTM D 882 standard. Moreover, an orifice opening into the hosung is provided.

Abstract: The present invention concerns a flat battery comprising a package formed by a cathode, an anode, and a separator layer sandwiched between the cathode and the anode, a sealing frame extending circumferentially around said package, a first current collector contacting the anode, and a second current collector contacting the cathode. The first and second current collectors each partly cover the sealing frame in a zone being adjacent to the package. According to the invention, the battery further comprises a first polymeric jacket layer being arranged on the first current collector and a second polymeric jacket layer being arranged on the second current collector, said first and second polymeric jacket layers extending circumferentially beyond the current collectors and beyond the sealing frame and being sealed together to form an outer jacket for the battery. Furthermore, the present invention also concerns a method to produce such a battery.

Abstract: The invention relates to a coin cell (200) comprising two cases (201, 208) designed to form a housing, an assembly of stacked electrodes placed inside the housing and comprising at least one positive electrode (203), at least one negative electrode (204, 204?, 204?), and at least one separator (202) placed in-between them. It further comprises a insulating packing tape (205) comprising an insulator basis (205a) and at least one packing flap (205b) integral with the insulator basis (205a), said insulating packing tape (205) being placed in such a way that the insulator basis (205a) is between the assembly of stacked electrodes and one of the cases (208) to avoid electrical contact between the assembly of stacked electrodes and said case (208) and the packing flap (205b) holds the assembly of stacked electrodes to form an electrode pack (209).

Abstract: An electro-active material of a cathode of primary lithium batteries including a mixture of a first component including at least a first compound of formula (I) LixMnOy and a second component including at least a second compound of formula (II) LixHyV3O8, wherein in formula (I): 0?x?2 0?y?4 0?2y?x?7, wherein in formula (II): 0?x?4.5 0.01?y?2 0.01?x+y?6.5, wherein the first compound is in the form of particles having a particle size including between 1 ?m and 200 ?m and the second compound is in the form of nanoparticles having a particle size less than 500 nm or in the form of nanofibers with a length including between 0.2 ?m and 500 ?m and a width including between 10 nm and 200 nm, and wherein said first component and said second component are present in amounts of 1:99% by weight to 99:1% by weight.

Abstract: The invention relates to a coin cell (200) comprising two cases (201, 208) designed to form a housing, an assembly of stacked electrodes placed inside the housing and comprising at least one positive electrode (203), at least one negative electrode (204, 204?, 204?), and at least one separator (202) placed in-between them. It further comprises a insulating packing tape (205) comprising an insulator basis (205a) and at least one packing flap (205b) integral with the insulator basis (205a), said insulating packing tape (205) being placed in such a way that the insulator basis (205a) is between the assembly of stacked electrodes and one of the cases (208) to avoid electrical contact between the assembly of stacked electrodes and said case (208) and the packing flap (205b) holds the assembly of stacked electrodes to form an electrode pack (209).

Abstract: Multiple blister pack (1) for button batteries comprising a blister foil (10) designed to provide individual storage cups (12) of center (C) and diameter (D) for receiving a button battery, and individual closure regions (13) for each said individual storage cup (12). Each closure region (13) receives a closure element (4), and the individual storage cups (12) are arranged on the blister foil (10) according to a matrix pattern with at least two columns. Each closure region (13) surrounding each individual storage cup (12) are mutually separated by column and row tearing lines (2,2?). The closure element (4) and/or the closure region (13) is provided with tracking information concerning the battery stored in said individual storage cup (12) and the centers (C) of the individual storage cups (12) are spaced apart of a distance equal to twice the diameter (2*D) of the individual storage cup (12) from each other along each column of said matrix, within a tolerance of 1 millimeter.

Abstract: The present invention relates to a galvanic element, in particular an element of the button cell type, which has a long service life even when there are high mechanical or thermal loads. The element has a cathode, an anode, an electrolyte, a separator arranged between the anode and cathode, and a housing, which comprises a housing cup, a housing cover and a sealing element, the sealing element insulating the housing cup against the housing cover. According to the invention, the sealing element is rigidly connected to the separator.

Abstract: Blister pack 1 for button battery comprising a blister foil 10 designed to provide at least an individual cup 12 for receiving a button battery, and an individual closure region 13 for each said individual cup 12. The closure region 13 receives a closure element 4 which is removably secured to the closure region 13.

Abstract: Blister pack 1 for button battery comprising a blister foil 10 designed to provide at least an individual cup 12 for receiving a button battery, and an individual closure region 13 for each said individual cup 12. The closure region 13 receives a closure element 4 which is removably secured to the closure region 13.

Abstract: Multiple blister pack (1) for button batteries comprising a blister foil (10) designed to provide individual storage cups (12) of center (C) and diameter (D) for receiving a button battery, and individual closure regions (13) for each said individual storage cup (12). Each closure region (13) receives a closure element (4), and the individual storage cups (12) are arranged on the blister foil (10) according to a matrix pattern with at least two columns. Each closure region (13) surrounding each individual storage cup (12) are mutually separated by column and row tearing lines (2,2?). The closure element (4) and/or the closure region (13) is provided with tracking information concerning the battery stored in said individual storage cup (12) and the centers (C) of the individual storage cups (12) are spaced apart of a distance equal to twice the diameter (2*D) of the individual storage cup (12) from each other along each column of said matrix, within a tolerance of 1 millimeter.

Abstract: The present invention concerns a flat battery comprising a package formed by a cathode, an anode, and a separator layer sandwiched between the cathode and the anode, a sealing frame extending circumferentially around said package, a first current collector contacting the anode, and a second current collector contacting the cathode. The first and second current collectors each partly cover the sealing frame in a zone being adjacent to the package. According to the invention, the battery further comprises a first polymeric jacket layer being arranged on the first current collector and a second polymeric jacket layer being arranged on the second current collector, said first and second polymeric jacket layers extending circumferentially beyond the current collectors and beyond the sealing frame and being sealed together to form an outer jacket for the battery. Furthermore, the present invention also concerns a method to produce such a battery.

Abstract: The present invention concerns a flat battery comprising a package formed by a cathode, an anode, and a separator layer sandwiched between the cathode and the anode, a sealing frame extending circumferentially around said package, a first current collector contacting the anode, and a second current collector contacting the cathode. The first and second current collectors each partly cover the sealing frame in a zone being adjacent to the package. According to the invention, the battery further comprises a first polymeric jacket layer being arranged on the first current collector and a second polymeric jacket layer being arranged on the second current collector, said first and second polymeric jacket layers extending circumferentially beyond the current collectors and beyond the sealing frame and being sealed together to form an outer jacket for the battery. Furthermore, the present invention also concerns a method to produce such a battery.

Abstract: The present invention relates to a galvanic element, in particular an element of the button cell type, which has a long service life even when there are high mechanical or thermal loads. The element has a cathode, an anode, an electrolyte, a separator arranged between the anode and cathode, and a housing, which comprises a housing cup, a housing cover and a sealing element, the sealing element insulating the housing cup against the housing cover. According to the invention, the sealing element is rigidly connected to the separator.

Abstract: The invention concerns a battery including a metallic container (1) delimiting a cavity (16) containing an electrolyte and a composite strip (2) formed by a first metallic sheet coated with a material forming the positive electrode, by a second metallic strip coated with a material forming the negative electrode and by porous insulating separators, composite strip (2) being wound onto a core (20) located at the centre of the cavity (16) and electrodes being connected by connecting means (8, 9) to external terminals (6, 7). It is characterized in that all or part of the central core (20) is made of a material with a high heat transmission coefficient in heat contact with at least the metallic closing cap (3).

Abstract: Prismatic battery for a non circular spiral winding, having a metal container (1) of equal thickness formed by a rectangular base (15) and, perpendicular to the latter, by two small walls (12, 14) attached to said base (15), two large walls (11, 13) attached on the one hand to the small walls (12, 14) via narrow strips (21 to 24) of width 11, on the other hand to the base (15) via narrow strips (25, 25a) of width 12, said strips (21 to 24, 25 to 25a) being inclined towards the external faces of the large walls (11, 13) and having between them junction lines (26) from the four angles of the base (15).

Abstract: Prismatic battery including a metal container (1) within which is arranged a non circular spiral winding (2) of at least one composite strip (10) including an anode (2a) and a cathode (2c), separated by porous separators (2b) impregnated by an electrolyte, said container (1) being sealed at its upper portion by a cover (4). The spiral winding (2) is formed around a rigid spool (20) including an upper flange (21), having the dimensions of the opening of the cavity (16), and a lower flange (22), having the inner dimensions of the bottom (15), said flanges being joined by a central neck (24) and, on either side, by two lateral necks (23, 25), said necks (23, 24, 25) delimiting two openings (26a, 26c) in the median portion of the spool (20) and a free space (27) at its periphery to accommodate the winding (2).