Abstract: The present disclosure provides a rechargeable battery, including an electrode assembly and a connecting member. The electrode assembly includes an electrode assembly body and an electrode tab extending from the electrode assembly body. The connecting member includes a guiding plate, a first connecting plate and a second connecting plate respectively connected to the guiding plate. The guiding plate extends along a width direction. The first connecting plate extends away from the guiding plate along the width direction. The electrode tab is bent with respect to a longitudinal direction and is connected to the first connecting plate. At least a part of the guiding plate protrudes toward the electrode assembly body with respect to the first connecting plate so as to form a protrusion, which abuts against the electrode assembly. The rechargeable battery of the present disclosure can improve the energy density.

Abstract: A secondary battery includes an electrode body including a positive electrode plate and a negative electrode plate; a battery case containing the electrode body; a terminal attached to the battery case; a conductive member having an opening adjacent to the electrode body; a deformation plate that seals the opening, and a current collector. The positive electrode plate and a positive electrode terminal are electrically connected to each other via a first positive electrode current collector, the deformation plate, and the conductive member. The first positive electrode current collector has a through-hole. The deformation plate is disposed to face the through-hole. A portion of the first positive electrode current collector distant from the through-hole is welded to the deformation plate to form a weld.

Abstract: In an energy storage device (10) including: a container (100) including a plate-like portion; a positive electrode terminal (200) including a terminal body portion (201); a positive electrode current collector (120); a first gasket (220) including at least a portion that is disposed between the terminal body portion (201) and an outer surface of the plate-like portion, the first gasket (220) including a cylindrical portion (223) that is inserted into the hole portion formed in the plate-like portion; a second gasket (230) including at least a portion that is disposed between an inner surface of the plate-like portion and the positive electrode current collector (120); and a fixing portion (210) including a columnar portion (212) and a swaged portion (214) brought into contact with the positive electrode current collector (120), wherein the cylindrical portion (223) includes an extension portion extending toward the swaged portion (214) from a contact surface at which the inner surface of the plate-like portio

Abstract: A top cap assembly of a secondary battery and second battery is provided. The top cap assembly may comprise: a top cap plate comprising an electrode extraction hole; an electrode terminal comprising a terminal plate, the terminal plate may be located on a side of the top cap plate and cover the electrode extraction hole; a first fixing component, the first fixing component may at least partially surround the terminal plate to fix the electrode terminal to the first fixing component; and a second fixing component comprising a main body and a first connection portion connected to the main body and extends away from the terminal plate, the main body may be fixedly connected to the first fixing component, and the first connection portion may be fixedly connected to the top cap plate.

Abstract: A feed-through for high external pressure applications and methods of producing are provided. The feed-through includes a base body, a through-hole extending through the base body, and a functional element. The functional element is arranged inside the through-hole. The functional element is connected to the base body in fluid-tight manner with a pressure compensator and an insulating material that at least partially surrounds the functional element and establishes the fluid-tight connection. The pressure compensator increases pressure resistance of the fluid-tight connection of the functional element to the base body against pressure.

Abstract: A battery packaging material that is excellent in continuous productivity of batteries. A battery packaging material comprising a laminate having at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order, wherein the heat-sealable resin layer contains a lubricant, and when a Vickers-shaped indenter is pressed into a surface of the heat-sealable resin layer opposite to the barrier layer at a loading speed of 5 mN/10 sec, using PICODENTOR (registered trademark) HM500, in an environment at a temperature of 24° C. and a relative humidity of 50%, an indentation depth of the indenter into the heat-sealable resin layer at the point when a load on the indenter reaches 3.0 mN is 5.8 ?m or less.

Abstract: Disclosed is an electrode assembly with a structure in which a plurality of electrode plates are stacked while a separator is interposed between a positive electrode plate and a negative electrode plate, each of the electrode plates including an electrode tap that externally protrude from one side thereof to form a tap-lead coupler and at least two or more fixing parts that externally protrude from each of electrode plate by a length of 10% to 50% of a length of the electrode tap from the one side and/or the other side, wherein fixing parts with the same polarity, which are positioned in parallel to each other in up and down directions, are bonded to each other to maintain a stack interval between the electrode plates while the electrode plates are stacked.

Abstract: A laminated power storage element includes: an exterior body shaped into a flat bag shape by laminating a pair of laminated films to weld a peripheral edge region; an electrode body sealed within the exterior body; a positive and a negative electrode terminal portion allowed to project outside the exterior body from a predetermined margin of the exterior body; and a pair of tab films welded on surfaces where the pair of laminated films oppose one another in a region along the predetermined margin to mutually weld the pair of laminated films, and the tab film covers an end surface of the laminated film while deviating outward from the exterior body from the predetermined margin, and covers both front and back surfaces of each of a base end of the positive electrode terminal portion and a base end of the negative electrode terminal portion.

Abstract: An embodiment is directed to a hybrid contact plate arrangement in a battery module that includes a plurality of contact plates configured to be arranged on a given side of a set of battery cells in the battery module, at least one insulation layer configured to provide insulation between each of the plurality of contact plates, wherein the set of battery cells includes a plurality of groups of battery cells, and wherein the plurality of contact plates each include a set of bonding connectors, the sets of bonding connectors being configured to connect to the positive and negative terminals of the plurality of groups of battery cells so as to connect battery cells in each of the plurality of groups of battery cells in parallel with each other, and to connect the plurality of groups of battery cells in series with each other.

Abstract: Provided is a sealed battery, which includes an insulating member arranged between a lid member and a collector terminal member. The insulating member includes a cylindrical portion that is positioned between a through hole and a connecting portion and surrounds the connecting portion, and a flat plate portion positioned between the lid member and the flange portion, and the flat plate portion has a first projecting portion projecting towards the lid member side, and a second projecting portion projecting towards the flange portion side. In a sectional view taken along a virtual plane including a central axis of the connecting portion, a peak of the first projecting portion is provided at a position closer to the central axis than a peak position of the second projecting portion.

Abstract: In the method for manufacturing a cell according to the present invention, the cell has a cell case, an external terminal, a relay member, and a pressure-type current interrupting mechanism, the method including fixing the relay member and the external terminal to the cell case by caulking the relay member to the external terminal by means of a caulking process. A tubular reinforcing member that is configured with a material harder than that of the relay member is attached to an inner circumferential surface of the tubular shaft portion of the relay member prior to the caulking process, and the caulking process is performed, with the reinforcing member being attached to the inner circumferential surface of the relay member.

Abstract: A battery containment structure is provided. The battery containment structure may include a first pliable pouch, a second pliable pouch, and a vent. The first pliable pouch may surround a battery active region. The second pliable pouch may surround the first pliable pouch. The vent may be carried by the first pliable pouch and configured to vent gas from the battery active region responsive to a pressure or temperature of the gas surpassing a predetermined threshold.

Abstract: The feed-through assembly provides for the conveyance of a feed element from one boundary environment to another. The feed-through assembly includes the following components (from bottom to top) each with an axially extending aperture through which at least one feed element passes: lower compression member; packing stack including a plurality of packing buttons; and upper compression member. The plurality of packing buttons are made from expanded polytetrafluoroethylene (ePTFE) foam material (e.g., GORE-TEX®). A portion of the feed element is sealed within the packing stack including the plurality of packing buttons after it is compressed between the two compression members. The feed-through assembly is very cost effective and easy to make, but provides solutions to sealing problems under severe conditions or for extremely demanding requirements.

Abstract: A rechargeable battery includes: a case having a receiving space at the inside thereof and having an opening; an electrode assembly accommodated in the receiving space of the case and including a first electrode and a second electrode; a cap plate at the opening of the case; and a terminal assembly at the cap plate, wherein the terminal assembly includes a terminal plate electrically connected to the first electrode, a terminal post extending through the terminal plate and the cap plate, an end of the terminal post being connected to the first electrode, and a bonding member between the terminal post and the terminal plate.

Abstract: A battery cell, in particular lithium-ion battery cell. The battery cell has a metallic housing (2), an electrode assembly (3) being received in the metallic housing (2). The metallic housing (2) has a first housing element (4), which is connected electrically to a positive pole (8) of the electrode assembly (3), and a second housing element (5), which is connected electrically to a negative pole (9) of the electrode assembly (3). The battery cell (3) also has at least one insulation element (10), which is configured for insulating the two housing elements (4, 5) from one another electrically and is arranged between the two housing elements (4, 5). The at least one insulation element (10) has at least one barrier layer (6).

Abstract: A battery including an electrode assembly having an electrode tab; an insulating spacer having a welding groove at which the electrode tab protruding from the electrode assembly is assembled to the insulating spacer; and an electrode lead to which the electrode tab is welded. In the insulating spacer, the welding groove for exposing the electrode tab is formed at a location where the electrode tab is assembled to the insulating spacer.

Abstract: Disclosed is a battery module array including battery modules, which may have improved space utilization. The battery module array includes a plurality of battery modules, each having two secondary battery cells, a module frame and a cooling fin. If the battery module array is configured using the above battery modules, space utilization may be improved.

Abstract: An electrical energy storage device has electrodes positioned in a case. A feedthrough pin extends through a portion of the case. A sealant surrounds the feedthrough pin and contacts a component of the device. A seal activator is received in the sealant such that the pressure that the sealant applies to the component increases above the level of pressure that the sealant applies to the component before the sealant activator is received in the sealant. In some instances, the component is the feedthrough pin.

Abstract: One aspect relates to a method for producing an electrical bushing for an implantable medical device. The method includes forming a holding element for holding the electrical bushing in the implantable medical device, the holding element including a through-opening. An insulation element of aluminum oxide is formed within the through-opening. At least one elongated conduction element is formed extending through insulation element. The at least one elongated conduction element includes an aluminum oxide in a metallic matrix. The insulation element and the at least one elongated conduction element are jointly fired thereby forming a hermetic seal therebetween without welding or soldering.

Abstract: In a secondary battery (10) suggested herein, when a gas pressure in a battery case (12) is increased to or above a specified level and a current interrupt valve (26) is consequently raised to a connecting terminal (21) side, a thinned section (71) is broken around a portion that is joined to the current interrupt valve 26, the connecting terminal (21) and an electrode body are electrically interrupted from each other. An insulant (27) is disposed in a portion where the thinned section (71) is broken, and is interposed between both edges of the broken thinned section (71) after the thinned section (71) is broken.

Abstract: A prismatic secondary battery in which a deformation plate becoming deformed when a pressure inside the battery becomes equivalent to or higher than a predetermined value is disposed in a conductive path between a positive electrode plate and a positive electrode terminal. A positive electrode collector electrically connected to the positive electrode plate includes a collector body portion disposed on an electrode body side of the deformation plate, a collector connection that extends from an end of the collector body portion in a longitudinal direction of a sealing plate towards the sealing plate, and a lead portion that extends from the collector connection in the longitudinal direction of the sealing plate. A positive electrode tab portion is connected to the lead portion.

Abstract: Electrodes for and methods of electrical discharge machining are provided. For example, a method for forming a feature in a ceramic matrix composite (CMC) component comprises repeatedly advancing an electrode into and retracting the electrode from the CMC component until a desired depth is reached, where the electrode has a head end, a tip end, and a shaft extending from the head end to the tip end. The shaft has a first side and a second side each recessed inward such that the head end and the tip end are wider than the shaft. A method for forming a feature in a CMC component also may include feeding a dielectric fluid into the feature utilizing the recessed sides. In some embodiments, electrodes may include a shaft extending from a head end to a tip end and a central plane, where the shaft is recessed widthwise toward the central plane.

Abstract: A system for coupling with a terminal end of a battery is used for the mitigation of battery leakage and includes a conductive disc and an absorption ring in combination that fits to an end of the battery. The conductive disc has a center section that is electrically coupled with the battery and a peripheral section that surrounds the center section. The absorption ring is secured to a surface of the conductive disc and extends around the peripheral section to surround the disc center section. The absorption ring includes an absorbent material that absorbs any liquid escaping from the battery. An adhesive material is positioned proximate to the absorption ring and secures the system to an end of the battery.

Abstract: A rechargeable battery includes: a case accommodating an electrode assembly; a cap plate coupled to the case at an opening thereof; an electrode terminal electrically connected to the electrode assembly and on the cap plate; and a top plate between the electrode terminal and the cap plate, wherein the top plate and/or the electrode terminal has a slanted side at a lower side thereof facing the cap plate.

Abstract: The invention relates to a battery cell (1), in particular a lithium ion battery cell, in which a wrapping element, two current collectors and an electrolyte are accommodated in a housing (11). The prismatically formed housing (11) comprises a container that is open towards the upper side and a cover arrangement having a cover plate (23) closing the opening (14) of said container. The cover plate (23) and a wall of the container (13) are designed in the region of the opening (14) in such a manner that the wall prevents a movement of the cover plate (23) from the opening by means of a positive connection. An elastically compressible sealing element (31) is provided between the wall and a wall surface of an outer edge (27) of the cover plate directed towards said wall, in order to seal the cover plate (23) hermetically against the container (13).

Abstract: A lead-acid battery including: a power generating element; and a container accommodating the power generating element and having a narrowed portion that is partially provided at an outer wall and reduces an internal space, wherein the container has a corner of a thick portion that is thickened inward within a range not inwardly beyond the narrowed portion to be thicker than the outer wall.

Abstract: A battery pack, including a battery cell including an electrode tab; a cell holder through which the electrode tab is inserted; and a connection tab including a first connection tab portion and a second connection tab portion facing each other and coupled to the electrode tab with the electrode tab being therebetween.

Abstract: A battery pack has a plurality of series-connected batteries each having an electrode body, a battery case, a positive extending member, a positive external terminal mechanically joined and electrically connected to a positive external extending part of the positive extending member, by caulking deformation thereof, a negative extending member, and a negative external terminal mechanically joined and electrically connected to a negative external extending part of the negative extending member, by caulking deformation thereof. Among the positive and negative external extending parts, the positive and negative external terminals, the metal making up the positive external extending part has the lowest tensile strength. The battery pack includes bus bars; positive fastening members for fastening the positive external terminals to the bus bars; and negative fastening members for fastening the negative external terminals to the bus bars. The negative external terminal is thinner than the positive external terminal.

Abstract: A sealing assembly, a method of preparing the sealing assembly and a battery are provided. The sealing assembly comprises a metal ring having a mounting hole therein; a ceramic ring having a connecting hole therein and disposed in the mounting hole; and a core column disposed in the connecting hole, wherein at least one of an inner circumferential wall surface of the metal ring, an outer circumferential wall surface of the ceramic ring, an inner circumferential wall surface of the ceramic ring and an outer circumferential wall surface of the core column is configured as an inclined surface, and an inclination angle of the inclined surface relative to a vertical plane is about 1 degree to about 45 degrees.

Abstract: A lead-acid battery disclosed in the present specification includes: a container storing an element formed of a plurality of electrodes and an electrolyte solution; and a lid member fixed to an upper portion of the container. The lid member includes: a middle lid having a lid plate configured to seal an opening of the container; a cylindrical exhaust sleeve formed in a plateau portion formed on the lid plate in a penetrating manner and configured to discharge a gas generated in the container therethrough; and a recessed portion disposed adjacently to the exhaust sleeve and formed on a lower surface of the plateau portion in an upwardly recessed manner. The exhaust sleeve has a communication hole which communicates with the inside of the recessed portion and the inside of the exhaust sleeve.

Abstract: The present disclosure includes a group of electrically interconnected battery cells disposed within a housing. The disclosure also includes a major terminal of a battery module configured to be coupled to a load for powering the load. One or more portions of the major terminal are disposed within a recess in a surface of the housing. The present disclosure also includes a bus bar that provides an electrical pathway between the group of electrically interconnected battery cells and the major terminal. The bus bar is disposed within the housing.

Abstract: A rechargeable battery pack including: a cell holder configured to accommodate unit battery cells; a lower case configured to accommodate the cell holder; an upper case attached to an opening of the lower case and covering the cell holder and the unit battery cells; a tab having an end portion drawn out of a through-hole of the upper case to be on an outer surface of the upper case while coupling the unit battery cells; and a terminal electrically coupled to the end portion of the tab while overlapping therewith and attached to the upper case while covering the through-hole.

Abstract: The present disclosure relates generally to a battery module having a housing and a stack of battery cells disposed in the housing. Each battery cell has a battery cell terminal and a battery cell vent on an end of each battery cell, and the battery cell vent is configured to exhaust effluent into the housing. The battery module has a vent shield plate disposed in the housing and directly along an immediate vent path of the effluent, a first surface of the vent shield plate configured to direct the effluent to an opening between the shield plate and the housing, and a second surface of the vent shield plate opposite the first surface. The battery module also has a venting chamber coupled to the opening and at least partially defined by the second surface and a vent configured to direct the effluent out of the battery module.

Abstract: A fastening apparatus for a battery terminal case includes a main body having open upper and side portions configured to hold a battery terminal therein, a side body coupled to the open side portion of the main body, and an upper cover, hingedly coupled to the side body, provided at the open upper portion of the main body. Hinge protrusions are formed on opposing sides of one of the side body and the upper cover. Hinge holes are formed on opposing sides of the other one of the side body and the upper cover. The hinge holes are configured to receive the hinge protrusions therein.

Abstract: An energy storage device includes: a first guide portion which is arranged in the inside of a case and allows an electrolyte solution to flow toward one end of an electrode assembly in a winding axis direction from an electrolyte solution pouring hole; and a second guide portion which is arranged in the inside of the case and allows a fluid to flow toward the electrolyte solution pouring hole from the inside of the case, and which prevents the electrolyte solution from flowing toward the other end of the electrode assembly in the winding axis direction from the electrolyte solution pouring hole or suppresses the electrolyte solution from flowing toward the other end of the electrode assembly in the winding axis direction from the electrolyte solution pouring hole.

Abstract: The present invention discloses an electricity storing/discharging device with multiple-layer package structure having electrode plate pair with multiple-sided electric conductive terminals converted into single input/output electric conductive interface, which is applied in a multiple-layer package structure with specific single-sided input/output and having electrode plate pair with multiple-sided input/output terminals, thereby allowing the electrode plate pair with multiple-sided electric conductive terminals to be structured as an input/output electric conductive interface through single-sided input/output electric conductive terminals having positive and negative polarities for the purpose of transferring electric energy to the exterior.

Abstract: The present disclosure relates to an electrochemical device and a battery module having improved anti-vibration. In the electrochemical device and the battery module according to one embodiment of the present disclosure which are mounted in electrically powered tools or other equipments, tap holders for providing vibration-resistance are provided on the outer surface of a cathode tap or an anode tap exposed to the outside of the electrochemical device or the battery module, thereby dispersing external force applied to the cathode tap or the anode tap to prevent the cathode tap or the anode tap from being damaged, and immobilizing the cathode tap or the anode tap to prevent an external short circuit, and eventually to improve the stability of the electrochemical device and the battery module.

Abstract: A secondary battery and a method for manufacturing a secondary battery, the battery including a case having an internal space; an electrode assembly in the case, the electrode assembly including a first electrode plate, a second electrode plate, and a separator; a cap plate coupled with the case and sealing the case; and an electrode terminal part passing through the cap plate, the electrode terminal part including electrode terminals and a terminal plate, wherein the electrode terminal and the terminal plate are made of different materials are coupled to each other by riveting.

Abstract: The secondary battery includes an electrode assembly, a case accommodating the electrode assembly, a cap plate sealing the case and including an inversion plate, and a terminal assembly. The terminal assembly includes an insulation plate coupled to a top surface of the cap plate and having a short-circuit hole corresponding to the inversion plate and an air hole spaced apart from the short-circuit hole, a terminal plate coupled to a top surface of the insulation plate and electrically connected to the electrode assembly, and a sealing member coupled to a bottom surface of the insulation plate and opening or closing the air hole.

Abstract: A lithium-ion secondary battery includes: an electrode body in which a positive electrode and a negative electrode are stacked or wound through a separator; a plurality of positive electrode tabs drawn from the electrode body; a plurality of negative electrode tabs drawn from the electrode body; a joint portion between the positive electrode tabs and a positive electrode lead tab; and a joint portion between the negative electrode tabs and a negative electrode lead tab. Apart of a metal plate is disposed on a surface of the positive electrode tab or positive electrode lead tab in the joint portion and on a surface of the negative electrode tab or negative electrode lead tab in the joint portion and joined integrally thereto, and a remaining part of the metal plate is wound around the joint portions.

Abstract: The invention provides a manufacturing method of a sealed battery that includes a power generating element, a housing member, a lid member, a collector terminal member, and a first insulating member. This manufacturing method includes compressing the first insulating member with a protruding portion of the lid member. The method includes measuring a position of the lid member and a compression load applied by the lid member, and stopping compressing when a slope of the change in the compression load with respect to the position of the lid member reaches a predetermined value.

Abstract: An electrical storage device includes a case, an electrode assembly accommodated in the case, an electrode terminal, a terminal insulating member, and an annular sealing member. The electrode terminal has a base located inside the case and a polar column portion, which projects from the base. An inner surface of the case at the circumference of the through hole and/or a tip end of the terminal insulating member on the side corresponding to the base has a tapered portion. A cross-sectional shape of the tapered portion in a direction in which the base and the inner surface face of the case each other is inclined to the outside in the radial direction of the through hole from the side corresponding to the base toward the through hole.

Abstract: A lithium ion battery cell includes a prismatic casing enclosing active components of the lithium ion battery cell. The lithium ion battery cell also includes a terminal having a terminal post extending through an opening in the casing and electrically connected to the active components; a primary sealing component configured to seal a first portion of the terminal post against the casing; and a secondary seal disposed around a second portion of the terminal post and against the primary sealing component. The secondary seal is formed from a curable adhesive resin and is configured to resist egress of the electrolyte out of the lithium ion battery cell and is configured to resist ingress of moisture into the lithium ion battery cell.

Abstract: Provided is a secondary battery cell capable of reliably preventing an integrated circuit provided to the secondary battery cell from being removed from the secondary battery cell. A secondary battery cell (20) includes an integrated circuit (IC chip) (50) that stores identification information (for example, identification number (ID number) given to the integrated circuit itself). The integrated circuit (50) includes a wiring abnormality detection circuit. When the integrated circuit (50) is removed from the secondary battery cell (20), the wiring abnormality detection circuit detects a wiring abnormality.

Abstract: A lead-acid battery terminal member includes: a terminal portion which is arranged in a resin-made cover for closing a container; and a cylindrical bushing which is connected to the terminal portion through a conducting portion. The bushing is embedded in the cover, and has a plurality of annular projecting portions formed on an outer periphery thereof. Poles extending from an electrode group arranged in the container are inserted into and are welded to the bushing. Surface roughness of a surface of the annular projecting portion which faces a resin forming the cover in an opposed manner is lower than surface roughness of a surface of a portion other than the annular projecting portion.

Abstract: The described technology has been made in an effort to provide a rechargeable battery having advantages of protecting an electrode assembly and a case from arc debris generated from a cell fuse. A rechargeable battery in accordance with exemplary embodiment includes: an electrode assembly configured to perform charging and discharging operations; a case configured to accommodate the electrode assembly therein; a cap plate coupled to an opening of the case; an electrode terminal installed on the cap plate; a lead tab configured to connect the electrode assembly to the electrode terminal, and including a fuse; and a side retainer supported in an inner surface of the case to be coupled to the lead tab. The side retainer includes an exhaust guide member that is opened toward the cell fuse and a sidewall of the case.

Abstract: A secondary battery including: an electrode assembly including an electrode tab; a case accommodating the electrode assembly; and a lead tab forming a coupling portion inside the case together with the electrode tab, the lead tab drawn out to an outside of the case, and the coupling portion includes a first bent portion including a bent end of the electrode tab, and a second bent portion including a bent end of the lead tab coupled to the bent end of the electrode tab.

Abstract: A secondary battery includes: a cathode; an anode; and an electrolytic solution. The anode includes an anode active material layer on an anode current collector. The anode active material layer includes a carbon material. The anode active material layer has a thickness from about 30 micrometers to about 100 micrometers both inclusive. The electrolytic solution includes an unsaturated cyclic ester carbonate represented by the following Formula (1) (X is a divalent group in which m-number of >C?CR1R2 and n-number of >CR3R4 are bonded in any order. Each of R1 to R4 is one of a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, a monovalent oxygen-containing hydrocarbon group, and a monovalent halogenated oxygen-containing hydrocarbon group. Any two or more of the R1 to the R4 are allowed to be bonded to one another. m and n satisfy m?1 and n?0).

Abstract: A feed-through for conducting electric current is provided that includes a flange, which has a through-opening, in which a conductor for electric current is held by an insulation component and is connected to the flange so that the through-opening is sealed off. The insulation component is flush with the upper side and/or the underside of the flange or is set back (T) from the upper side and/or the underside of the flange in the through-opening. The conductor includes a cobalt-iron alloy of which the cobalt content is 68 to 84% by weight.

Abstract: A magnetic pulse welding process for joining a current collector to a terminal pin in the construction of electrochemical cells is described. The magnetic pulse welding process utilizes a pulsed direct current and an electrically conductive coil to generate an electro-magnetic force that causes two work pieces to collide with each other and form a bond therebetween. Preferably, the method is used to bond the terminal pin to the cathode current collector. This method of attachment is suitable for either primary or secondary cells, particularly those powering implantable biomedical devices.