Abstract: Disclosed herein is a battery cell including an electrode assembly having a positive electrode, a negative electrode, and a separator interposed therebetween, a battery case including an upper case and a lower case, corresponding portions of outer edges of the upper case and the lower case being thermally fused to one another in a state in which the electrode assembly is received in a reception unit formed by the upper case and the lower case such that the battery case has a sealed portion extending around the reception unit, an electrode lead electrically connected to the electrode assembly, the electrode lead protruding outwards from the battery case through the sealed portion in the state in which insulative films are attached to opposite surfaces of the electrode lead at the sealed portion, and a shape retention member interposed between the outer edges of the upper case and the lower case.

Abstract: The present invention relates to composite material comprising a matrix and a metallic layer located at at least one surface of said composite material, said matrix comprising at least one polymer and a first population of particles of at least one electronically conducting metal, said layer comprising a second population of particles of at least one electronically conducting metal, a method for preparing such composite material and applications thereof.

Abstract: A secondary battery includes: a main body accommodating an electrode assembly; a sealing part formed along an outer periphery of the main body and including an upwardly bent part; and a circuit board connected to an electrode lead extending outward from the main body and arranged between the main body and the bent part of the sealing part. The secondary battery is suitable for providing a compact structure.

Abstract: The present invention relates to composite material comprising a matrix and a metallic layer located at at least one surface of said composite material, said matrix comprising at least one polymer and a first population of particles of at least one electronically conducting metal, said layer comprising a second population of particles of at least one electronically conducting metal, a method for preparing such composite material and applications thereof.

Abstract: A method for manufacturing a negative tab of a pouch cell includes following step of cleaning and surface roughening a copper foil substrate, plating a nickel film, cleaning and surface roughening the nickel film, plating a passivated metal film and cleaning and surface roughening the passivated metal film. A method for manufacturing a positive tab of a pouch cell includes following step of cleaning and surface roughening an aluminum foil substrate, plating a passivated metal film and cleaning and surface roughening the passivated metal film.

Abstract: An energy storage device includes: an electrode assembly having tab portions; a container body accommodating the electrode assembly; a lid structural body having a lid plate which closes the container body; and an insulating member arranged around a periphery of the electrode assembly in the container body, wherein the insulating member has a locking portion locked to a portion of the lid structural body.

Abstract: A battery module can include multiple cell tubes, a first conductive plate, and multiple first spacers. The multiple cell tubes can accommodate multiple battery cells within the multiple cell tubes so that individual of the multiple battery cells are positioned within individual of the multiple cell tubes. The first conductive plate can include multiple first holes and electrically connect first terminals of the multiple cells. The multiple first spacers can be mounted in the multiple first holes and support the multiple tubes and the multiple cells with respect to the first conductive plate, the multiple first spacers being configured to provide thermal and electrical isolation between the multiple battery cells and the first conductive plate.

Abstract: A battery module having an improved cooling structure according to an embodiment of the present disclosure comprises: a pouch cell laminate comprising a first pouch cell and a second pouch cell located adjacent to the first pouch cell; and cooling fins configured to surround the circumference of an accommodation portion of each of the first pouch cell and the second pouch cell.

Abstract: A battery is provided. The battery includes a battery element; a film-like outer package member configured to accommodate the battery element; and a carbon fiber sheet provided between the battery element and the film-like outer package member, and the carbon fiber sheet includes long fibers.

Abstract: A multilayer dielectric and sealing film is disclosed. The multi-layer dielectric sealing film comprises a layer of dielectric material and at least one layer of sealing material. The multilayer film may be positioned between the current collector tabs and the packaging material of a thin film battery to prevent shorting between the tabs and the edge of a metal foil layer in the packaging material. The multi-layer film also provides additional sealant which can flow around and seal around the terminals. By combining the sealing material and the dielectric material into one multi-layer assembly, manufacturing steps can be eliminated.

Abstract: A rechargeable battery includes: a case having an opening; an electrode assembly in the case and including a first electrode and a second electrode; a cap plate coupled to the opening of the case; a first current collector electrically connected to the first electrode; and a support fixed to an inner surface of the case, wherein the first current collector is hooked on the support.

Abstract: A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.

Abstract: A miniature electrochemical cell having a total volume that is less than 0.5 cc is described. The casing enclosure consists of a lower plate supporting a cylindrically-shaped can having an open upper end closed with a cover. The can is selectively coated with a dielectric material to provide electrical isolation of the to-be-housed active materials from the can sidewall. A glass-to-metal seal electrically isolates the lower plate from the can. An electrode assembly comprising a sandwich of cathode active material/separator/anode active material is housed in the casing. That way, the lower plate contacting the cathode active material is the positive terminal and the closing cover connected to the can and contacted to the anode active material serves as the negative cell terminal. An electrolyte filled into the casing activates the electrode assembly and the fill opening is sealed with a plug. The cell can be of either a primary or a secondary chemistry.

Abstract: A battery manufacturing method includes assembling an internal terminal, a gasket, a battery case component, an insulator, and an external terminal into a state where a cylindrical part of the gasket is fitted in a mounting hole of the battery case component, a projecting part of the internal terminal is fitted in the cylindrical part of the gasket, the insulator is disposed on an outer surface of the battery case component with the projecting part fitted in a through-hole, and the external terminal is disposed on top of the insulator so as to lie on the projecting part. The external terminal is pressed against the projecting part of the internal terminal, and the external terminal or the internal terminal is vibrated to thereby weld together the projecting part and the external terminal in a solid state.

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 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 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 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.