Abstract: The present disclosure relates to a cover plate assembly for a lithium ion battery and a lithium ion battery. The cover plate assembly includes a cover plate body, provided at a middle portion thereof with a through hole which extends to form a tube body, and the tube body protrudes from at least one surface of the cover plate body; a pressure relief portion, wherein the pressure relief portion is located in the tube body and is in sealed communication with the tube body, the pressure relief portion is ring-shaped and is configured to crack and split from the cover plate body in response to deformation of the cover plate body; and a central conductor, embraced by the pressure relief portion and runs through the pressure relief portion along the axial direction. The cover plate assembly features excellent safety performance and small space occupation.

Abstract: A method for lithiation of an electrode includes providing an electrode to be lithiated, providing a piece of lithium metal with predetermined weight attached to a conductive material, attaching the conductive material to a current collector of the electrode to be lithiated or to a metal tab connected to or from the electrode to be lithiated, placing the electrode to be lithiated, the piece of lithium, and the conductive material in a container, and filling the container with an electrolyte containing a lithium salt.

Abstract: A secondary battery comprises an electrode assembly, a can, and an insulator. The electrode assembly includes a first electrode, a separator, and a second electrode alternately stacked and wound. The can has an accommodation part accommodating the electrode assembly therein, and the can comprises a first can and a second can having cylindrical shapes open in a direction facing each other. The insulator insulates an overlapping portion between the first can and the second can. The first can is electrically connected to the first electrode, and the second can is electrically connected to the second electrode. The insulator has a short-circuit induction through-part defined by a through-hole or a cutoff line, such that a short circuit occurs between the first can and the second can through the short-circuit induction through-part when it is deformed in shape as heat or a pressure is applied to contract or expand the insulator.

Abstract: A battery including: a battery can having a cylindrical portion, a bottom wall closing one end of the cylindrical portion, and an open rim continuous with the other end of the cylindrical portion; an electrode body housed in the cylindrical portion; and a sealing body fixed to the open rim so as to seal an opening defined by the open rim. The sealing body includes a sealing plate and a gasket disposed at a peripheral portion of the sealing plate. The gasket has at least one protruding portion configured to restrict insertion of the sealing body into the open rim.

Abstract: An embodiment of the present invention provides a secondary battery capable of concurrently securing a vibration characteristic and an insulation function of an electrode assembly by using one finishing tape.

Abstract: The present invention relates to a cylindrical lithium ion secondary battery which, when an upper end of a cylindrical can is clamped, can prevent deformation of a cap assembly so as to improve safety. For an example, a cylindrical lithium ion secondary battery is disclosed, the battery comprising: a cylindrical can; an electrode assembly received in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein: the cap assembly comprises a top plate having a notch formed thereon, a support plate disposed in close contact with a lower surface of the top plate and including a first through-hole formed through the center thereof, and a bottom plate electrically connected with the electrode assembly and connected to the lower surface of the top plate through the first through-hole; and the support plate has a strength greater than a strength of the top plate.

Abstract: A method for producing a button cell includes providing a cell cup, a cell top and an electrode-separator assembly winding, the electrode-separator assembly winding having a positive electrode and a negative electrode. An electrically insulating seal is applied at least to an outer portion of the cell top casing. The electrode-separator assembly winding is inserted into the cell top. The cell top is inserted into the cell cup to form a housing. A pressure is applied in a radial direction perpendicular to an axis of the electrode-separator assembly winding so as to seal the housing.

Abstract: A battery pack and a method of assembling a battery pack. The battery pack may include an outer housing; a cell module supportable by the outer housing, the cell module including a module housing, a plurality of battery cells supported by the module housing, the battery cells having an energy of at least about 60. Watt-hours, a controller operable to control an operation of the battery pack, a conductive strap electrically connected to at least one of the battery cells, a weld strap connected between the controller and the conductive strap, and a terminal electrically connected to the battery cells and operable to connect the battery cells to an electrical device for power transfer; and a vapor-deposited, hydrophobic nano coating applied to at least a portion of the cell module.

Abstract: A secondary battery according to the present invention comprises: an electrode assembly in which a first electrode, a separator, and a second electrode are alternately stacked and wound together; a can provided with an accommodation part that accommodates the electrode assembly therein, the can comprising a first can and a second can, which have cylindrical shapes opened in a direction facing each other; and an insulator configured to insulate an overlapping portion between the first can and the second can. The first can forms a first electrode terminal that directly contacts an end of the first electrode, and the second can forms a second electrode terminal that directly contacts an end of the second electrode.

Abstract: A method for manufacturing an energy storage device includes a swaging step in which a swaged portion is formed by swaging a tip portion, penetrating a positive electrode terminal or a positive electrode current collector and projecting in a predetermined direction from the positive electrode terminal or the positive electrode current collector, of a shaft portion. In the swaging step, the tip portion of the shaft portion is swaged by a punch which includes a pressing surface, the pressing surface including a punch-side first concave portion which is concaved in the predetermined direction and a punch-side second concave portion which is concaved in the predetermined direction more than the punch-side first concave portion at an inner peripheral side of the punch-side first concave portion.

Abstract: A method for producing a button cell includes providing a cell cup, a cell top and an electrode-separator assembly winding, the electrode-separator assembly winding having a positive electrode and a negative electrode. An electrically insulating seal is applied at least to an outer portion of the cell top casing. The electrode-separator assembly winding is inserted into the cell top. The cell top is inserted into the cell cup to form a housing. A pressure is applied in a radial direction perpendicular to an axis of the electrode-separator assembly winding so as to seal the housing.

Abstract: A battery module includes a plurality of cylindrical battery cells respectively having electrode terminals formed at an upper portion and a lower portion thereof; a module housing including an accommodation portion having a plurality of hollow structures in which the plurality of cylindrical battery cells are inserted and accommodated; and a module bus bar including a first metal plate having a body portion located at an upper portion or a lower portion of the plurality of cylindrical battery cells to extend in a horizontal direction and a plurality of connection portions configured to extend in a horizontal direction from one side of the body portion to contact the electrode terminals of the plurality of cylindrical battery cells, and a second metal plate bonded to the body portion of the first metal plate and having a metal with a relatively higher electric conductivity than the first metal plate.

Abstract: An end cap assembly includes an end cap configured to close a housing of a battery cell, an adapting member configured to electrically connect an electrode assembly of the battery cell to an electrode terminal of the battery cell, and a supporting member between the adapting member and the end cap. An explosion-proof mechanism provided at the end cap is configured to be actuated to release an internal pressure of the battery cell when thermal runaway occurs in the battery cell. The supporting member is made of a high-temperature-resistant material. An orthographic projection of the adapting member on a first surface of the end cap at least partially overlaps an orthographic projection of the explosion-proof mechanism on the first surface of the end cap and an orthographic projection of the supporting member on the first surface. The first surface is a surface of the end cap facing the housing.

Abstract: A battery module includes cylindrical battery cells, a module housing, and a bus bar. The bus bar includes a main body portion that is positioned at a top or a bottom of the plurality of cylindrical battery cells and has a plate shape having upper and lower surfaces that are broader than a lateral surface of the main body portion in a horizontal direction; and a contact portion that is configured to electrically contact and be connected to an electrode terminal formed in one of the plurality of cylindrical battery cells, extends and protrudes from the main body portion in a horizontal direction, is stepped from the main body portion in a direction toward where the electrode terminal is positioned, and includes a branched structure bifurcated in two directions with respect to a direction in which the contact portion extends and protrudes from the main body portion.

Abstract: To provide an electrode for a non-aqueous electrolyte secondary battery which retains the shape while retaining a discharge capacity at a high rate. An electrode for a non-aqueous electrolyte secondary battery has a current collector and an electrode active material layer arranged on a surface of the current collector, and is used for a non-aqueous electrolyte secondary battery having a liquid volume coefficient of 1.4 to 2.0, in which the electrode active material layer includes an electrode active material and a binder including polyvinylidene fluoride (PVdF), and the polyvinylidene fluoride (PVdF) is in a non-crystallized state and is included in the range of 0.5 to 3.3% by volume with respect to the total volume of the electrode in the electrode active material layer.

Abstract: A prismatic lithium ion battery cell includes a packaging having a cover. The cover includes: a first spiral disk feature disposed below a first terminal pad; a second spiral disk feature disposed below a second terminal pad; a first reversal disk disposed below the first spiral disk feature; and a second reversal disk disposed below the second spiral disk feature. The first and second reversal disks are configured to deflect upwards to displace the first and second spiral disk features to contact the first and second terminal pads, respectively, in response to a pressure within the packaging being greater than a predefined pressure threshold and form an external short-circuit between the first and second terminal pads via the first and second spiral disk features. Subsequently, a portion of the power assembly fails in response to the external short-circuit and interrupts current flow between the first and second terminal pads.

Abstract: A battery is provided. The battery includes an electrode having a flat shape. The electrode is wound and includes a through hole. The through hole is further provided in a wound-back portion of the electrode.

Abstract: A contacting arrangement of solid oxide cells is disclosed, each solid oxide cell having at least two flow field plates to arrange gas flows in the cell, and an active electrode structure, which has an anode side, a cathode side, and an electrolyte element between the anode side and the cathode side. The contacting arrangement includes a gasket structure to perform sealing functions in the solid oxide cell and a contact structure located between the flow field plates and the active electrode structure, the contact structure being at least partly a gas permeable structure configured and adapted according to structures of the flow field plates and according to the active electrode structure.

Abstract: Provided herein are energy storage devices. In some cases, the energy storage devices are capable of being transported on a vehicle and storing a large amount of energy. An energy storage device is provided comprising at least one liquid metal electrode, an energy storage capacity of at least about 1 MWh and a response time less than or equal to about 100 milliseconds (ms).

Abstract: A resin sealing gasket 10 to be incorporated in an alkaline battery 1 housing a power generation element (3 to 5) in a cylindrical battery can 2 closed at a bottom, the sealing gasket configured to insulate a top opening of the battery can and a negative electrode terminal plate 7 from each other. The sealing gasket includes: an outer periphery part 14 standing upward from the rim of a disc-shaped partition part 13; a boss part 11 in a hollow cylindrical shape enabling a rod-shaped negative electrode current collector 6 to stand at the center of the partition part; and a thin-walled portion 15 formed in a groove shape along the outer periphery of the boss part and being thinner than other portions of the partition part.

Abstract: An energy storage device includes a current collector (negative electrode current collector), electrode body that includes a body portion and a tab projecting from the body portion, and a leading plate (negative electrode leading plate) that connects the current collector and the tab. In the leading plate, first and second plates and facing each other are continuously connected at end portions thereof in the first plate, the current collector is fixed to a first principal surface on the opposite side to the second plate. In the second plate, the tab is fixed to a second principal surface on the opposite side to the first plate.

Abstract: A method for producing a button cell includes providing a cell cup, a cell top and an electrode-separator assembly winding, the electrode-separator assembly winding having a positive electrode and a negative electrode. An electrically insulating seal is applied at least to an outer portion of the cell top casing. The electrode-separator assembly winding is inserted into the cell top. The cell top is inserted into the cell cup to form a housing. A pressure is applied in a radial direction perpendicular to an axis of the electrode-separator assembly winding so as to seal the housing.

Abstract: The present invention relates to a secondary battery which is capable of improving safety. As an example, a secondary battery which comprises an electrode assembly; a case which accommodates the electrode assembly; a cap assembly which is coupled to an upper portion of the case, and a gasket which is interposed between the cap assembly and the case, wherein the cap assembly comprises a cap-up, a safety vent which is installed at a lower portion of the cap-up, a cap-down which is installed at a lower portion of the safety vent, an insulator which is interposed between the safety vent and the cap-down, and a sub-plate which is located on a lower surface of the cap-down, and an insulation layer is formed on one surface of the safety vent, is disclosed.

Abstract: A battery (100) and a battery pack having the same, and an electric vehicle are disclosed. The battery (100) includes: a housing; a cover plate (30) located at an end of the housing; a terminal (40) disposed on the cover plate (30); a pole core (10) located inside the housing and having a tab (20), at least one part of the tab (20) being connected to the terminal (40); and an insulating spacer (50) covering one side that is of the at least one part of the tab (20) and that faces away from the terminal (40).

Abstract: The disclosure relates to a power battery and a battery module. The power battery includes: a case including two openings opposite to each other; an electrode assembly formed by winding a positive electrode sheet, a negative electrode sheet, and a separator disposed around a winding axis, the electrode assembly being disposed in the case, and two opposite ends of the electrode assembly along the winding axis being respectively disposed corresponding to the two openings; a first cap assembly covering one of the two openings, the first cap assembly including a liquid injection hole communicating with an interior of the case; a second cap assembly covering the other opening, the second cap assembly including a through hole communicating with the interior of the case; in a length direction, the liquid injection hole and the through hole are located on a same side of a central axis of the case.

Abstract: A secondary battery according to one embodiment of the present disclosure comprises a positive electrode, a negative electrode, a positive electrode lead that is electrically connected to the positive electrode, and an insulating tape that covers a part of the positive electrode lead. The positive electrode lead has: one end part which is connected to an exposed part of a positive electrode collector that constitutes the positive electrode; and an extension part which extends outwardly from the one end part beyond the periphery of the positive electrode collector. An insulating layer is arranged on the outer surface of the one end part of the positive electrode lead; and the insulating layer is covered by the insulating tape.

Abstract: Laser diode packages include a rigid thermally conductive base member that includes a base member surface situated to support at least one laser diode assembly, at least one electrode standoff secured to the base member surface that has at least one electrical lead having a first end and a second end with the first end secured to a lead surface of the electrode standoff, and a lid member that includes a lid portion and a plurality of side portions extending from the lid portion and situated to be secured to the base member so as to define sides of the laser diode package, wherein at least one of the side portions includes a lead aperture situated to receive the second end of the secured electrical lead that is insertable through the lead aperture so that the lid member extends over the base member to enclose the laser diode package.

Abstract: A bus bar includes a plurality of fastening holes in which a plurality of electrodes of a single cell is fastened with a nut, and a plurality of projections formed between the fastening holes and projecting in a direction away from the single cell. A case includes a bus bar hosing portion in which the bus bar is housed, and a support portion disposed in the projection of the bus bar housed in the bus bar housing portion and abutting against a back surface of the projection to support the bus bar. The support portion has a width smaller than an interval between inner side surfaces of side plate portions of the projection.

Abstract: Disclosed are a laminate sheet for battery cases with improved formability, the laminate sheet for battery cases including, as a preliminary recess portion configured to receive an electrode assembly, a preliminary bottom portion and a preliminary sidewall portion constituting the side surface of the preliminary recess portion, wherein a preliminary sealing portion is located at an outer edge extending from the preliminary sidewall portion, and the thickness of the preliminary sidewall portion is formed so as to be larger than the thickness of the preliminary bottom portion, a pouch-shaped battery case manufactured by forming the laminate sheet, and a battery pack including the pouch-shaped battery case.

Abstract: A method for producing a battery includes providing a cup-shaped first housing part having a bottom and a side wall, the bottom and the side wall each having an inside and an outside. The method further includes covering the inside of the bottom of the first housing part with an electrically conductive covering, electrically connecting the electrically conductive covering to the bottom of the first housing part by welding, electrically connecting an electric conductor to the electrically conductive covering by welding, and assembling the first housing part and a second housing part to form a housing of the battery, the housing enclosing an interior space that includes a composite body therein. The composite body includes a positive electrode, a negative electrode, a separator, and the electric conductor. The inside of the bottom and the inside of the side wall of the first housing part face the interior space.

Abstract: The present disclosure provides an LED display waterproof structure including a display bottom case, a first sealing ring and a waterproof cover. A side surface of the display bottom case is provided with a first U-shaped ring groove, a side surface of the first sealing ring towards the waterproof cover is provided with a second U-shaped ring groove, a first surface of the waterproof cover is provided with a ring protrusion matching the second U-shaped ring groove, the waterproof cover is provided on the first U-shaped ring groove through the first sealing ring, the ring protrusion is connected to the second U-shaped ring groove through interference fit, and the second U-shaped ring groove is connected to the first U-shaped ring groove through interference fit.

Abstract: A secondary battery includes an outer can, a sealing body sealing an opening of the outer can, an electrode group housed together with an electrolyte inside the outer can, and a positive electrode current collector arranged between the electrode group and the sealing body. The positive electrode current collector has a current collector center through hole provided at a position facing an electrode group through hole of the electrode group. The sealing body includes a lid plate having an exhaust hole at the center, a valve body arranged at a position closing the exhaust hole from the outside of the lid plate, and a positive electrode terminal electrically connected to the lid plate and housing inside with the valve body pressed toward the lid plate. An inner diameter dimension DC of the current collector center through hole of the positive electrode current collector is equal to or less than an inner diameter dimension DL of the exhaust hole.

Abstract: A method for producing a button cell includes providing a cell cup, the cell cup having a flat bottom area and a cell cup casing; providing a cell top, the cell top having a flat top area and a cell top casing having a first height; and providing an electrode-separator assembly winding. The cell top casing and the cell cup casing form an overlap area extending in a direction parallel to the axis of the winding and having a second height, the second height being between 20% and 99% of the first height. The method includes applying, in a radial direction perpendicular to the axis of the winding, a pressure on the cell cup casing so as to seal the housing, wherein a portion of the cell top casing that is cylindrical forms at least a part of the overlap area.

Abstract: The disclosure relates to a cap assembly and a secondary battery. The cap assembly comprises: a cap plate comprising an electrode lead-out hole; an electrode terminal disposed at a side of the cap plate and covering the electrode lead-out hole; a fixing component, wherein the fixing component and the electrode terminal are disposed at the same side of the cap plate, the electrode terminal is connected to the cap plate through the fixing component, and the fixing component comprises a protrusion extending between the electrode terminal and the cap plate; and a sealing ring, wherein the cap plate is connected to the electrode terminal through the sealing ring, and in an axial direction of the electrode lead-out hole, a projection of the sealing ring at least partially overlaps with a projection of the protrusion.

Abstract: A button cell includes a housing having a cell cup, the cell cup having a flat bottom area, a cell cup casing, and a bottom edge forming a transition between the flat bottom area and the cell cup casing, and a cell top, the cell top having a flat top area and a cell top casing. An electrode-separator assembly winding is disposed within the housing, the electrode-separator assembly winding including a multi-layer assembly that is wound in a spiral shape about an axis, the multi-layer assembly including a separator disposed between a positive electrode and a negative electrode, and a first output conductor. An insulator is disposed between an end face of the electrode-separator assembly winding and the first output conductor, wherein the first output conductor is welded to the first of the flat bottom area or the flat top area.

Abstract: A flat battery of the present invention is a flat battery including an exterior can and a sealing can with which an opening of the exterior can is sealed, wherein the exterior can and the sealing can include a bottom portion and a circumferential wall extending upright from an outer circumference of the bottom portion and have a cylindrical shape that is open at one end; a distal end portion of the circumferential wall of the exterior can is bent toward a central axis of the sealing can to form a curve, whereby the exterior can is fixed to the sealing can by crimping; in a cross-sectional shape of the sealing can in the direction of the central axis, the circumferential wall of the sealing can is a single layer wall without being folded back, and the circumferential wall of the sealing can includes a rectilinear portion that is connected to the bottom portion via a corner portion; and an angle ?1 formed by the bottom portion and the rectilinear portion may be greater than 90°.

Abstract: When a coin-type battery is manufactured using a sealing can in which a fold portion is not provided in a side wall portion, a coin-type battery with excellent reliability, which has excellent mass productivity and sealing properties and a capacity of which has been increased by increasing a housing space in which an electrode body is housed is manufactured. An open end portion of a side wall portion of a sealing can is formed not to bend toward an inner circumference side and an outer circumference side, an edge of the open end portion is formed not to have a sharp angle, a cut off portion is formed in an inner circumference side of an upper end portion, the sealing can is fitted to a gasket an inner diameter of which is made smaller than an external diameter of the side wall portion of the sealing can, an exterior can is caulked, thereby manufacturing a coin-type battery.

Abstract: A button cell includes a housing, the housing including a cell cup, the cell cup having a flat bottom area, a cell cup casing; an insulator; and an electrode-separator assembly winding disposed within the housing, the electrode-separator assembly winding including a multi-layer assembly that is wound in a spiral shape about an axis, the multi-layer assembly including a positive electrode formed from a first metallic film or mesh coated with a first electrode material, a negative electrode formed from a second metallic film or mesh coated with a second electrode material, and a separator disposed between the positive electrode and the negative electrode. The first metallic film or mesh is bent such that at least a portion extends out of the electrode-separator assembly winding and wherein at least a first part of the portion is not covered with the first electrode material.

Abstract: Provided is a binder composition for a secondary battery electrode that, when used in production of a slurry composition for a secondary battery electrode, enables favorable dispersion of an electrode active material and a conductive material in high concentration while ensuring coatability. The binder composition for a secondary battery electrode contains a binder. The binder includes a copolymer that includes an alkylene structural unit and a nitrile group-containing monomer unit, and that has a Mooney viscosity (ML1+4, 100° C.) of at least 50 and not more than 200.

Abstract: The present disclosure is directed to a triazine-modified ionic liquid compound, the synthesis thereof and an electrochemical cell electrolyte containing the triazine-modified ionic liquid compound.

Abstract: A secondary battery includes an electrode body that includes a positive-electrode sheet and a negative-electrode sheet, a prismatic exterior body that accommodates the electrode body, a metallic sealing plate that seals an opening of the prismatic exterior body, and a positive-electrode current collector that is electrically connected to the positive-electrode sheet and the sealing plate. The positive-electrode current collector includes a base that faces the sealing plate and a lead that is disposed on an end portion of the base. A projection is formed on the sealing plate. The projection is fitted in a connection opening that is formed in the base. The projection and the base are welded to each other.

Abstract: A coated article comprises an article comprising a surface and a galvanic barrier coating disposed on the surface. The galvanic barrier coating is formed from a galvanic barrier coating composition comprising (a) a thermoplastic resin, (b) an epoxy-based resin, (c) a curing agent, and (d) non-compressible, non-marring microsphere particles. Methods of preparing and using the coated article are also disclosed.

Abstract: The present invention relates to a cap assembly formed of a composite of cap assembly ceramic for the cylindrical battery and mounted on a top end portion of the cylindrical secondary battery in which an electrode assembly is placed in a cylindrical can, which includes a safety vent having a predetermined notch configured to be ruptured by high pressure gas generated in the battery, a current interrupt device coupled to a lower end of the safety vent and blocking a current when an internal pressure of the battery rises, and a gasket for the current interrupt device surrounding an outer circumferential surface of the current interrupt device, wherein the gasket for the current interrupt device comprises a polymer resin having a melting point of 250° C. or more and a heat deflection temperature (HDT) of 200° C. or more, and a cylindrical secondary battery including the same.

Abstract: Laser diode packages include a rigid thermally conductive base member that includes a base member surface situated to support at least one laser diode assembly, at least one electrode standoff secured to the base member surface that has at least one electrical lead having a first end and a second end with the first end secured to a lead surface of the electrode standoff, and a lid member that includes a lid portion and a plurality of side portions extending from the lid portion and situated to be secured to the base member so as to define sides of the laser diode package, wherein at least one of the side portions includes a lead aperture situated to receive the second end of the secured electrical lead that is insertable through the lead aperture so that the lid member extends over the base member to enclose the laser diode package.

Abstract: Provided are a secondary battery that is capable of preventing a can member from corroding and a method for manufacturing the same. The secondary battery includes a can member defining an outer appearance of the secondary battery, a top cap assembly an opening of the can member, a gasket insulating the can member and the top cap assembly from each other, and a fracture part disposed on an inner circumference of the opening. The fracture part is blocked from the outside by the gasket.

Abstract: Disclosed is a secondary battery including a current blocking device. According to the present invention, the secondary battery in which when the secondary battery increases in volume due to overcharging, current flowing to the secondary battery is interrupted by using expansion force due to the increase in volume to improve safety and reliability may be manufactured.

Abstract: An electricity storage device includes an electricity storage element that is constituted by an electrode body in a positive side and an electrode body in a negative side that face each other while holding a separator; a sealing member that seals a case member accommodating the electricity storage element; at least one electrode protrusion that is either of the electrode bodies, which protrudes from an element end-face of the electricity storage element, at least one current collector plate that is connected to the electrode protrusion; and a terminal member that is installed in the sealing member, a lateral face of the terminal member being connected to a lateral face of the current collector plate.

Abstract: A pouch cell (20A, 20) includes a generally rectangular cell housing (20, 21) formed of a metal laminated film, an electrode assembly (60) that is sealed within the cell housing (20, 21), and a current collector device disposed in the cell housing (20, 21). The electrode assembly (60) includes positive electrode portions alternating with negative electrode portions, the positive electrode portions and the negative electrode portions being separated by at least one separator and stacked along a stack axis (66). The current collector device is electrically connected to one of the positive electrode portions and the negative electrode portions and exits the cell housing (20, 21) via an opening (28, 428) formed in the cell housing (20, 21). The opening (28, 428) is formed in a side (22, 24) wall of the cell housing (20, 21) at a location spaced apart from the sealed joint (40) that closes the cell housing (20, 21) and at a location facing the stack axis (66).

Abstract: A battery cell having a first housing element (4) which holds the electrochemical components of the battery cell (2) and has an opening (6), and a second housing element (5) which has a voltage tap (7) to be accessed from a first surface (8) of the second housing element (5), the second housing element (5) closes off the opening (6) so that a first part region (91) of a second surface (9) of the second housing element (5) is immediately adjacent the interior space (10) of the first housing element (4), and that a second part region (92) of the second surface (9) of the second housing element (5) protrudes beyond the first housing element (4), wherein the second housing element (5) comprises a sealing element (11) connected to the first surface (8) and/or to the second part region (92) of the second surface (9).

Abstract: A feedthrough device includes a body having longitudinally spaced first and second end faces and an inner surface defining an opening extending longitudinally through the body, a conductor extending within the opening of the body, and an insulator extending within the opening of the body transversely intermediate the conductor and the inner surface of the body to insulate the conductor from the body, where the conductor includes an interior portion surrounded by the insulator and an exterior portion extending beyond the insulator, the exterior portion having a diameter that is greater than a diameter of the interior portion.