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: 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: 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: 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 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 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 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.

Abstract: A rechargeable battery including an electrode assembly performing charging and discharging; a case accommodating the electrode assembly; a cap plate coupled with the case; an electrode terminal in a terminal hole of the cap plate, the electrode terminal being electrically connected to the electrode assembly; and an insulator electrically insulating the electrode terminal and the cap plate, wherein the insulator includes a first member between an outside of the cap plate and a surface of the electrode terminal facing the cap plate, and a second member enclosing an outer surface of the electrode terminal and the first member and being coupled with the first member with a step structure.

Abstract: An energy storage device includes a casing, a power generating element, a current collector, a connection conductor, an external terminal, and a rivet. The energy storage device further includes a welded portion where at least one of a contact portion between a casing inner portion of the rivet and the current collector, a contact portion between a casing outer portion of the rivet and the connection conductor, and a contact portion between the connection conductor and the external terminal is welded at least partially.

Abstract: Provided is a secondary battery including: an electrode assembly; a case housing the electrode assembly and having a case opening; a cap plate substantially sealing the case opening; a first terminal plate on the cap plate; a first collector terminal coupling the electrode assembly to the first terminal plate; and a seal gasket between the first collector terminal and the cap plate, wherein the first collector terminal includes: a lower terminal adjacent the electrode assembly, and an upper terminal adjacent the first terminal plate, the upper terminal including a first metal different from a second metal of the lower terminal, and contacting the lower terminal at an interface between the first metal and the second metal, and wherein the seal gasket covers at least a portion of a side surface of the interface between the first metal and the second metal.

Abstract: An electricity storage device includes a case, an electrode assembly housed in the case, and a positive electrode (negative electrode) terminal sending and receiving electricity to and from the electrode assembly. The positive electrode (negative electrode) terminal includes a cylindrical part having a part projecting outside the case. The outer peripheral surface of the cylindrical part has a male screw with which a nut for fastening the positive electrode (negative electrode) terminal to the case is threadedly engaged from the outside of the case. The inner peripheral surface of the cylindrical part has a female screw having a screw direction opposite the male screw.

Abstract: A middle- or large-sized battery module includes two or more unit modules each having one or more plate-shaped battery cells, as unit cells, surrounded by a high-strength sheathing member made of synthetic resin or metal, and separable upper and lower frame members coupled with each other in an assembly-type coupling structure such that the unit modules are vertically mounted in the upper and lower frame members. A sensing unit capable of minimizing the weight and size of battery cells is easily mounted while effectively reinforcing the low mechanical strength of the battery cells and sensing the operation state of the battery cells to a middle- or large-sized battery module. The battery module is manufactured by a simple assembly process without using a plurality of members for mechanical coupling and electrical connection.

Abstract: A secondary battery including a case; an electrode assembly and electrolyte accommodated in the case; an electrode terminal electrically connected to the electrode assembly, the electrode terminal including a terminal body; a cap plate sealing the case, the terminal body penetrating through the cap plate; and a seal gasket surrounding a lower portion of the terminal body, wherein the electrode terminal includes a laterally protruding part on a portion of the terminal body protruding outside the case, and the seal gasket is in close contact with a lower end of the protruding part.

Abstract: There are provided an electrode assembly, a battery cell including the electrode assembly, and a device including the electrode assembly. The electrode assembly includes a combination of two or more electrode units having the same width and different lengths, wherein the electrode units are stacked so that a stepped portion is formed between the electrode units, and electrodes having different polarities face each other at an interface between the electrode units.

Abstract: A battery pack can stably fix a protection circuit module (PCM) to a battery cell while insulating the PCM. The battery pack includes a battery cell including an electrode assembly, and a case accommodating the electrode assembly and a terrace from which an electrode tab electrically connected to the electrode assembly protrudes, a PCM including a circuit board positioned on the terrace, and an electrode terminal formed on a top surface of the circuit board and connected to the electrode tab, a first insulation tape surrounding the PCM and allowing the PCM to be positioned on a top surface of the terrace, and a second insulation tape surrounding both side surfaces of the case, wherein the first insulation tape includes a body part surrounding the PCM and the terrace and a wing part protruding to both sides of the body part and fixing the body part to the case.

Abstract: According to one embodiment, a battery includes a case, an electrode group, a lid, an external terminal and an insulating member. The external terminal includes a head section and an axial section extended from the head section. The axial section is caulked and fixed into a through hole in the lid. The insulating member is arranged between the lid and the external terminal. The insulating member includes a bus bar-fixing section.

Abstract: A battery holder for attachment to a printed circuit board includes a base, a positive conductor, a negative conductor and a top. The base is to be fixed to the printed circuit board and the two conductors are fixed to the base. The top includes a window for viewing the polarity of the battery and is selectively attached to the base by a series of latches.

Abstract: A battery includes a cell casing that has recessed portion on a major surface of the casing, the recessed portion being substantially planar and bordering a remainder of the major surface at ridge portions on at least three sides of the recessed portion, whereby the recessed portion, the ridge portions, and the remainder of the major surface cooperate under an increase of gauge pressure to cause a plane defined by a boundary between the ridge portions and the remainder of the major surface to move.

Abstract: An assembly of at least two glass-to-metal seals utilized in an electrochemical cell is described. The assembly of a first and second glass-to-metal seals is constructed with respective insulating glasses having different softening points. The assembly of glass-to-metal seals is constructed in a sequential order progressing from insulating glasses having a greater softening point to a lower softening point. Each of the plurality of glass-to-metal seals are created through subjecting the insulating glass and lead combinations through a series of individual heat treatments, each sequential heat treatment having a maximum temperature that is less than the previous heat treatment and less than the softening point of the insulating glass within the prior glass-to-metal seal.

Abstract: Provided are a pouch type secondary battery capable of preventing corrosion of a metal layer due to exposure of the metal layer to the outside at a distal end of a case thereof, and a method for manufacturing the same.

Abstract: In a cap assembly and a rectangular type secondary battery having the cap assembly, the cap assembly includes a cap plate made of a metallic or nonmetallic material, a hollow, low-melting point glass metal tube inserted into a hole formed in the cap plate, and a metallic or nonmetallic pin inserted into the hollow glass metal tube, wherein the cap plate, the glass metal tube and the pin are atomically bonded with one another at their contact areas by high-temperature heating.

Abstract: The positive electrode substrate exposed portions or the negative electrode substrate exposed portions, or both, of an electrode assembly is split into two groups, and therebetween is disposed an intermediate member made of a resin material and holding one or more connecting conductive members. Collector members for the substrate exposed portions split into two groups is electrically joined by a resistance welding method to the substrate exposed portions split into two groups, together with the connecting conductive member(s) of the intermediate member. The resin material portion of the intermediate member protrudes, in the extension direction of the substrate exposed portions split into two groups, beyond the ends of the substrate exposed portions split into two groups and the ends of the collector member to a prismatic outer can. This structure enables enhanced resistance between the substrate exposed portions and the collector member and curbs variation in the welding strength.

Abstract: A rechargeable battery configured to prevent or substantially prevent explosion resulting from overheating. In one embodiment, a rechargeable battery includes: a first metallic plate; a second metallic plate coupled to the first metallic plate to together include five sides of a hexahedron and define a cavity and an opening to the cavity being a sixth side of the hexahedron, at least one of the first metallic plate or the second metallic plate including a base and walls extending from at least two opposing peripheral sides of the base; a generation member in the cavity and including at least one connection member at a side of the generation member proximate the opening; and a cap assembly including an insulator and at least one electrode lead coupled to the at least one connection member, the cap assembly closing the opening.

Abstract: A secondary battery including an electrode assembly; a case accommodating the electrode assembly; a cap plate coupled with the case; a terminal electrically connected to the electrode assembly and extending through the cap plate; and a safety member between the terminal and the cap plate, the safety member having an apex contacting one of the cap plate and the terminal to electrically connect together the cap plate and the terminal.

Abstract: A rechargeable battery includes an electrode assembly including electrodes both sides of a separator; a case accommodating the electrode assembly; a cap plate coupled to an opening of the case; an electrode terminal assembled to a terminal hole of the cap plate; an insulator between the electrode terminal and a first surface of the cap plate; a gasket between the electrode terminal and a second surface of the cap plate; and a lead tab at one side of the gasket to connect the electrode terminals to the electrode assembly. The electrode terminal and the cap plate form a vent hole that penetrates the electrode terminal and the cap plate, and the vent hole is sealed by a vent plate.

Abstract: A secondary battery including a case having an opening; an electrode assembly housed in the case; at least one current collector coupled to an uncoated portion of the electrode assembly and forming an electrode terminal, wherein the case has a coupling groove recessed toward the at least one current collector; and a cap plate coupled to seal the opening of the case.

Abstract: A battery subjected to a charging/discharging including at least initial charging is configured such that a power generating element constituting a laminated positive electrode and negative electrode separated by a separator is stored within a covering along with a nonaqueous electrolyte and an additive, the covering is sealed with a terminal leading out of the covering, and a relational expression RE<RC<RA is defined by using a total amount of presence WE of the additive component in the electrolyte, WC of the additive component in the positive electrode, and WA of the additive component in the negative electrode after charging/discharging as WT, and by using an abundance ratio of WE with respect to the total amount of WT, WC with respect to the total amount of WT, and WA with respect to the total amount of WT as RE, RC, and RA.

Abstract: A battery module and methods for bonding cell terminals of battery cells together are provided. The battery module includes a first battery cell having a first cell terminal, and a second battery cell having a second cell terminal. The battery module further includes an exothermal reactive layer having first and second sides. The first and second sides are disposed adjacent to the first and second cell terminals, respectively. The exothermal reactive layer is configured to ignite to form a bonding joint between the first and second cell terminals in response to a laser beam contacting at least a portion of the exothermal reactive layer.

Abstract: A battery unit with improved safety measures, a lithium polymer battery using the battery unit, and a method for manufacturing the lithium polymer battery are provided.