Abstract: There is provided a more compact battery pack which is characterized in that the battery pack includes a PTC device (120) and a secondary battery which comprises a canister (100) and a sealing piece (102) which seals an opening of the canister wherein the sealing piece includes the PTC device which is attached on top of the sealing piece.

Abstract: A battery cover latching structure (30) attached to a battery cover (20) of a portable electronic device (100), which comprises a fixing section (32) and a latching section (34). The fixing section (32) is used to attach the latching structure (30) to the battery cover (20). The latching section (34) extends from the fixing section (32) and has a surface (3422) facing the battery cover (20). The latching section (34) has a block (3424) protruding from the surface (3422) and configured for contacting the battery cover (20).

Abstract: A secondary battery including a cap assembly, the cap assembly including a cap plate having an electrolyte injection hole. The electrolyte injection hole includes a tapered portion having a roughened surface. The secondary battery further includes a sealing member located in the electrolyte injection hole, to seal the electrolyte injection hole. The sealing member includes a cap and a resin coated on the cap.

Abstract: A closure assembly for an electrochemical cell including a container and an end assembly sealing an open end of the container in order to minimize mass or weight loss of the cell due to electrolyte vapor transmission is disclosed. The end assembly is provided with a vent member capable of venting a fluid when the pressure within the cell exceeds a predetermined limit; a contact member operatively in electrical contact with a conductive contact of the end assembly and a current collector of an electrode of the cell; and an insulating, polymeric seal member disposed at least between conductive components of the closure assembly having different polarities. In a preferred embodiment, the seal member has a selected dimensional ratio in order to minimize vapor transmission of the electrolyte through the seal member.

Abstract: A battery pack (10) includes: a battery (1); a circuit substrate (5) having a charge/discharge safety circuit and arranged on one end face (3) of the battery; and an end case (6) in which an external connection terminal (7) is set. In this battery pack, the circuit substrate (5) is arranged inside the end case (6), and the end case (6) is secured to the battery by screws (12) with a screw head (12a) extending through and engaging with the end case (6) at both ends and tips of the screw (12) being engaged into the end face (3) at both ends of the battery (1). This achieves a compact battery pack with a reduced connection resistance, while achieving both high reliability and productivity.

Abstract: A battery cover latching assembly includes a body member defining a guiding slot, a battery cover slidably mounted to the body member, and an elastic member. The battery cover includes a resisting block. The resisting block is slidably received in the guiding slot. The elastic member abuts against the resisting block.

Abstract: A battery pack, including a cell including a cathode, an anode, and an electrode terminal having a bolt coupling region on a surface thereof, a circuit board electrically coupled to the cell and having a bolt through-hole at a position corresponding to the bolt coupling region, and a bolt passing through the bolt through-hole and coupled to the bolt coupling region.

Abstract: The claimed invention is directed to an improved secondary battery having a substantially uniform thickness. In one embodiment, a can type lithium on secondary battery is formed to include a structure that enables the battery to have a substantially uniform thickness even when wrapped with a label. Illustratively, the structure may include a label overlap receiving section formed on a portion of either an upper or lower cover of the battery. The label overlap receiving section ensures that a certain portion of a label overlap area is not thicker than a thickness of an area of the label. In this manner, a substantially uniform battery thickness is provided.

Abstract: An outer case (10, 20, 35, 40) for housing a rechargeable battery (1, 31, 41) and a battery circuit therein is composed of an upper case (7, 21, 42) and a lower case (8, 22, 43), each being formed as a half-shell body. The respective bottom faces of the upper case (7, 21, 42) and the lower case (8, 22, 43) are formed of film members (7b, 8b, 32, 34, 42b, 43b), and are integrally formed with resin moldings (7a, 8a, 33, 42c, 43c) forming circumferential side faces.

Abstract: One embodiment of an electrochemical cell for an implantable medical device is presented. The electrochemical cell includes a first electrode. The first electrode includes at least one current collector with a tab extending therefrom. The at least one tab comprises one of vanadium and vanadium alloy.

Abstract: The present invention provides a battery having a structure for increasing the power storage capacity and output thereof In accordance with the present invention, in a battery comprising an electrode assembly including anode plates, cathode plates and separators; and a battery case, both side bonding portions of which are folded toward adjacent sides thereof, for accommodating the electrode assembly and a designated amount of electrolyte, and sealing the electrode assembly such that two electrode terminals connected to corresponding electrode taps of the anode and cathode plates of the electrode assembly are exposed to the outside, an upper bonding portion of the battery case is folded toward the upper end of the battery case, and/or common portions of the upper bonding portion and both side portions of the battery case are cut off, and/or inner corners corresponding to the upper bonding portion have larger radiuses of curvature, and/or receipt portions for receiving the electrode assembly are respectively fo

Abstract: An improved lid for closing the open end of a casing of an electrochemical energy storage device is described. The improved lid comprises a flat region having spaced apart upper and lower planar surfaces joined by a peripheral edge, an angled transition forming a boss protruding from the lower surface, and a bore extending through the boss to the upper surface. An electrical energy storage device is also described, which includes the improved lid secured to the open end of the casing container of the device.

Abstract: A battery cover which detachably mounted on a portable electronic device to protect the battery of the portable electronic device. The battery cover includes a main cover and a sliding cover, the sliding cover is slidably mounted on the main cover. Two opposite ends of the main cover and the sliding cover each includes at least one tab or projection protruding there from respectively. The battery cover has a simple structure, and is easy for operating. The invention also includes a portable electronic device using the battery cover.

Abstract: Provided is a secondary battery of an assemble-type structure having a cell body including an electrode assembly of cathode/separator/anode sealed therein; and a cap assembly including a protection circuit electrically connected to the cell body so as to control overcharge, overdischarge and overcurrent of the battery and a cap housing covering an upper part of the battery, and being detachably coupled to the cell body. Since the cap assembly including the protection circuit and cap housing is assembled detachably from the cell body and electrically connected to and also can be physically firmly fixed to one another, provided are effects capable of greatly reducing the manufacturing process steps of the battery, and solving all the problems associated with use of battery cases and insert injection molding.

Abstract: A battery case is disclosed. The case includes a cover bonded to a body such that a bottom of the cover and the body define at least a portion of the interior of a battery. The cover includes a second metal which is bonded to a first metal included in the battery body. The second metal is clad with a third metal such that the third metal covers less than 90% of an upper surface of the second metal. A hole extends through the second metal and the third metal. The case also includes a feedthrough assembly extending through the hole. The feedthrough assembly includes a feedthrough pin surrounded by a feedthrough body. The feedthrough body includes a fourth metal bonded to the third metal in the cover.

Abstract: An improved battery construction for increasing the life of a storage battery by providing a lid addition integral with the battery case or jar which will condense escaping dielectric fluid and cause the condensed liquid to return to the main supply of dielectric fluid.

Abstract: At a central portion of a lid of a battery, a negative terminal, which has a T-shaped section view, is provided so as to be surrounded by a gasket and pierce the lid. An insulator is provided at the inner face side of the lid. A plate-like current collector is placed in a recess of the insulator. Notches are provided at two positions of an insertion hole which is provided at one end portion side of the current collector. By inserting the negative terminal into the insertion hole and crimping an end portion of a leg portion of the negative terminal, the negative terminal is fixed to the current collector with a deforming part of the end portion eating into the notches and being locked.

Abstract: A plurality of shock-absorbing ribs for protecting batteries are formed on an outer surface of the cover. The plurality of ribs are arranged parallel to each other. The plurality of ribs may be crossed in a lattice-like manner. Shock-absorbing projections each for abutting against a fixing member, engaged with the battery electrode, are formed on an inner surface of the cover. The projection has an annular shape, and a distal end portion of the electrode is received in the projection. A gap between the projection and the fixing member is smaller than a gap between the electrode and the cover. The plurality of ribs and the projections are disposed substantially symmetrically. The plurality of ribs are interconnected by bulge portions.

Abstract: A battery pack includes: a battery including a battery element covered with a packaging member, the battery element including a positive electrode and a negative electrode which are spirally wound together or stacked on one another through a separator; a protection circuit board for the battery; and a covering material collectively covering the battery and the protection circuit board. The covering material includes a shape-retaining polymer. The shape-retaining polymer contains an insulating curable polyurethane resin including polyol and polyisocyanate.

Abstract: A non-aqueous electrolyte secondary cell containing an electricity-generating element with at least a cathode, a separator and an anode and a non-aqueous electrolyte inside a cathode case, electrode units each consisting of the cathode and the anode opposite to each another via the separator laminated to form an electrode group, or an electrode unit in a sheet form consisting of the cathode and the anode opposite to each another via the separator wound to form an electrode group, or a sheet-shape cathode wrapped with the separator except for a part contacting at inner face of cathode case and a sheet-shaped anode set on the sheet-shaped cathode in a right angled position each other and bent alternately to form an electrode group, and the total sum of the areas of the opposing cathode and anode in the electrode group larger than the area of the opening of an insulating gasket in a sealed portion in the cathode case or than the area of an opening in a sealed plate in a sealed portion in the cathode case.

Abstract: Disclosed are a battery pack and a method of producing the same. A battery pack includes a cell main body in which a cell element comprising a solid state electrolyte or a gel form electrolyte disposed between a cathode active material layer and an anode active material layer is contained inside a sheath material comprised of an aluminum laminated film, an outer case having a box-like shape with one end face open and containing the cell main body therein, and a cap for closing the open face of the outer case. In the battery pack, initial charging of the cell main body is conducted after the cell main body is contained into the outer case to assemble the battery pack. An enhancement of cell capacity at a fixed outside size or a reduction in outside size at a fixed cell capacity is achieved.

Abstract: A battery pack which can increase of the volumetric efficiency of the battery pack without being contained in a resin mold case is provided. A first laminate material has a concave portion formed by drawing where a battery element is contained. A second laminate material is stacked so as to cover the opening of the concave portion to seal up the periphery of the opening. The first and second laminate materials are bend inwards so as to cover the battery element, and bonded and fixed together by heating. The first laminate material has three-layer structure including a polypropylene layer, a soft aluminum layer, and a nylon layer or PET layer. The second laminate material has a similar structure but includes a hard aluminum layer. Therefore, the second laminate material has enough strength to resist deformation without being contained a cell in a resin mold case.

Abstract: A sealed prismatic battery is provided. The battery includes a battery casing 4 having a prismatic cylindrical shape of body with a bottom part and an upper opening, and a lid 5 which fits in the upper opening of the battery casing. The opening of the casing body 4 and the lid 5 have laterally long shape in which the back-and-forth width dimension is smaller than the lateral length. The outer periphery of the lid 5 being welded to the periphery of the upper opening of the battery casing 4 to form a welded portion. The welded portion includes a pair of fragile parts 11 having low weld strength and formed at the ends of two long sides 10a and 10b of the welded portion which are parallel to each other, respectively, The battery is appropriately prevented from exploding and strength of battery is sufficiently provided against an impact caused by fall or the like.

Abstract: Provided herein is a battery enclosure which comprises a flexible tubular battery housing having a top and bottom open end, and a top and bottom end plug, wherein the top and bottom end plugs are attached to the top and bottom open ends of the tubular battery housing, respectively, thus forming a sealed battery enclosure for housing a battery cell.

Abstract: A secondary battery pack. The secondary battery pack includes a bare cell including an electrode assembly having an anode, a cathode and a separator, a vessel-type can for receiving the electrode assembly and an electrolyte therein, and a cap assembly for covering an opening section of the can, a battery component connected to the bare cell, a molding resin section filled in a gap formed between the bare cell and the battery component so as to fixedly couple the bare cell with the battery component, and a protrusion provided in the bare cell while protruding toward the molding resin section from a boundary surface between the bare cell and the molding resin section. The protrusion is coupled with a holder. When the battery pack is made using molding resin, the battery pack is prevented from being deformed by external twist forces or external bending forces applied to the battery pack.

Abstract: An exemplary battery pack comprises a battery cell having a first terminal and a second terminal disposed on a first end of the battery cell. A support member is attached to the first end of the battery cell, and a first L-shaped contact is connected to the first terminal via a protection circuit module. The protection circuit module is configured to disconnect the first terminal from the L-shaped contact upon a disconnect event. A second L-shaped contact connected to the second terminal, and a top cover encloses the first end of the battery cell, the support member and the protection circuit module. The first and second L-shaped contacts are exposed through corresponding apertures in the top cover, and a label including a body section and first, second, third and fourth flap sections is wrapped around the battery cell such that at least one of the flap sections secures the top cover to the battery cell.

Abstract: An electrochemical cell has a container housing a separator and a pair of electrodes impregnated with an electrolyte. The container has a base member having a bottom part and a side part disposed on a top surface of the bottom part along an outer rim of the bottom part. A metallic conductive terminal has first and second opposite surfaces penetrating through inner and outer sides of the base member. The first surface of the conductive terminal is disposed on the top surface of the bottom part of the base member. The second surface of the conductive terminal is disposed in contact with one of the pair of the electrodes. A metallic frame member has first and second opposite surfaces, with the first surface being joined to an entire rim of a top surface of the side part of the base member. A metallic cover member is joined to an entire rim of the second surface of the frame member.

Abstract: A cap assembly to prevent the leakage of an electrolyte and a secondary battery including the cap assembly. The cap assembly comprises a cap plate having an electrolyte inlet is formed, and an electrolyte inlet switch board to selectively cover the electrolyte inlet. The electrolyte inlet switch board can be shaped as a rectangular prism, can have a corrugated surface, or can have corrugations formed on two opposing surfaces.

Abstract: A board assembly for a rechargeable battery includes a cover case including a cover plate, and side walls disposed on a circumference of the cover plate and including respective openings that are offset from each other; and a circuit board mounted between the side walls of the cover case.

Abstract: A battery element is housed and sealed in a package body, and further, packed together with a connecting board and a frame by the package body. A laminate material for sealing the battery element is used as an outer package material of a battery pack. Thus, the increase of volume for the pack is reduced as much as possible.

Abstract: The present invention discloses a cover plate for a lithium ion battery. The cover plate includes a cover body and a sealing piece. The cover body is provided with an infusion hole. At least part of the sealing piece is located inside the infusion hole and fitted tightly with the infusion hole for sealing it. The sealing piece has a flange, which extends outside the infusion hole and limits depth of the sealing piece into the infusion hole. The present invention also discloses a battery case and a lithium ion battery provided with the above-mentioned battery cover plate. The present invention has the following beneficial technical effect: With the flange provided on the sealing piece, it is easy to control depth of the sealing piece into the infusion hole during punching and sealing, thus avoiding a bad sealing problem in the prior packaging technology resulted from punching too shallow or too deep.

Abstract: A battery can 2 is composed of a can body 3 having a concave portion 31 for accommodating an electrode body 5, and a metal cover 4 for sealing an opening end of the concave portion 31 of the can body 3. The can body 3 is formed in a plate shape by subjecting a metal plate to shallow drawing. A flange 32 is provided at a peripheral edge portion of the opening end of the can body 3, which is bonded to be integrated with the metal cover 4 to keep an air-tight and liquid-tight state in the concave portion 31.

Abstract: A storage battery which can further intensify the sealing properties of the electrode rod piercing portion thereof, a technique capable of increasing the area of the sealing surface at the sealed portion of the storage battery, a technique capable of certainly preventing the missing of mounting of a rubber-based sealing material corresponding to O-ring at the sealed portion of the storage battery, and an insulating material having an excellent corrosion resistance to highly corrosive battery content and a battery container including same are provided. An electrode rod 14 is allowed to extend upward through an annular member 15, a pressing member 18 is placed on the annular member 15, and a nut 22 is then threaded on a thread portion 21. This threading job is effected until the pressing member 18 is placed on and stopped by a collar portion 23. At the time when threading ends, a neck portion 25 is somewhat compressed to exhibit sealing properties.

Abstract: A battery cover for an electronic device including a battery receptacle. The battery cover generally comprises a base and a cover mating element. The base is operable to couple with a portion of the electronic device and at least partially cover the battery receptacle. The cover mating element is operable to couple with the base and interchangeably mate with a reciprocal mating element associated with a mount to couple the electronic device to the mount.

Abstract: A secondary battery includes an electrode assembly realized by layering and/or winding an anode, a cathode, and a separator; a case having a space into which the electrode assembly is inserted; and a cap assembly including a cap plate connected to the case inside of which the electrode assembly is mounted, a gasket insulating the cap plate from the case, and a safety assembly having a shock absorbing unit extending into the case from the gasket or the cap plate and that has a space for absorbing pressure, and having a vent member supported in a distal end of the shock absorbing unit and that is damaged when an internal pressure of the secondary battery exceeds a predetermined pressure.

Abstract: A secondary battery includes an electrode assembly, in which two electrodes and a separator interposed between the two electrodes are stacked and wound, a can accommodating the electrode assembly, and a cap assembly arranged on the top of the electrode assembly. The cap assembly includes an upper cap having a protrusion formed on a bottom surface thereof and a groove formed on a top surface thereof. The groove is formed at the same position as the protrusion but on an opposite surface from the protrusion. Components of the cap assembly are welded to the protrusion, and contact resistance between the welded components is reduced.

Abstract: A battery pack includes a non-aqueous electrolyte secondary battery, a rigid covering member, and a protection circuit board. The secondary battery includes a battery element and a flexible covering member formed of a first laminated film composed of a first heat-bonding layer, a first metal layer, and a first outer covering layer which are laminated successively. The flexible covering material is sealed along around the battery element while leaving electrode terminals of the positive and negative electrodes extended outside the battery element. The rigid covering member covers the non-aqueous electrolyte secondary battery together with the flexible covering member, and is formed of a second laminated film composed of a second heat-bonding layer, a second metal layer, and a second outer covering layer which are laminated successively. The flexible covering member and the rigid covering member are bonded by melting the second heat-bonding layer without melting the first outer covering layer.

Abstract: A lithium ion secondary battery in which a safety vent as a safety device for a swelling phenomenon functions under a low pressure. A notch is formed in an inner surface of a large-area wall of the secondary battery, and an auxiliary notch is formed in an outer surface to correspond to the notch formed in the inner surface.

Abstract: A rechargeable battery includes a cover and at least one connecting pole comprising a pole shank inserted into a pole sleeve having an inner casing. The connecting pole is closed from the outside of the rechargeable battery such that it is liquid-tight and gas-tight. The pole sleeve is electrically conductively connected to the pole shank and is held in a liquid-tight and gas-tight manner by the cover. A first section of the pole shank is electrically conductively connected in a gas-tight and liquid-tight manner to the inner casing of the pole sleeve. A sliding element is provided between a second section of the pole shank and the inner casing of the pole sleeve.

Abstract: A cap assembly for a secondary battery in which an insulating member is disposed in a partial or entire terminal plate, resulting in improved stability. The cap assembly includes a terminal plate. The terminal plate includes an insulating member disposed in a partial or entire region of the terminal plate other than a region to which a positive electrode tab is welded.

Abstract: A protective circuit board and a battery pack using the same, which includes a groove formed at one side and receives an external connection terminal in the groove, is provided. The protective circuit board for a battery, which is formed by mounting a number of electrical devices on a board on which a wiring pattern is formed and which is connected to a bare cell so as to protect a battery, comprises a groove formed on a surface of the protective circuit board, and an external connection terminal formed inside the groove.

Abstract: A battery pack comprising a battery cell having electrode terminals formed on an upper surface of the battery cell, and a protective circuit module (PCM) block mounted on the battery cell, wherein one or more connecting holes for electrical connection between the battery cell and the PCM block are perforated through the PCM block such that a connecting portion between the battery cell and the PCM block is exposed to the outside of the upper surface of the battery cell. The battery pack is lighter, compacter and miniaturized, thereby allowing an electronic device employing the battery pack to be reduced in an overall size, enhancing workability through a simplified assembling process, reducing manufacturing costs through reduction of the number of components, and enhancing productivity through reduction of the number of operating steps by eliminating additional installation steps.

Abstract: A rechargeable battery including: an electrode assembly; a can to house the electrode assembly; and a cap assembly to seal an opening of the can. The cap assembly includes: a cap plate; an insulation plate disposed upon a lower surface of the cap plate; a terminal plate disposed upon a lower surface of the insulation plate; and an electrode terminal extending through the cap plate, the insulation plate and the terminal plate, and which is electrically coupled to the electrode assembly. The cap plate includes a seat part defined therein, which has a thickness that is less than an overall thickness of the cap plate. The insulation plate is seated in the seat part, which has a width is the same as an overall width of the cap plate.

Abstract: Disclosed herein is a battery pack having locking members formed at an upper cover and locking grooves formed at a case body such that the locking members can be engaged in the corresponding locking grooves. The assembly of the battery pack is accomplished by a mechanical coupling method, not by an ultrasonic welding method, and the battery pack is manufactured with a high-strength material. Consequently, the battery pack can be manufactured while the thickness of the battery pack is further decreased.

Abstract: A battery, which can inhibit raise of an internal resistance even when temperature change or mechanical shock is applied, and which has superior productivity is provided. A safety mechanism and a battery cover are installed at an open part of a battery case by caulking through a gasket. Inside of the battery case is sealed. A flange part of the battery cover contacts with a flange part of a safety valve of the safety mechanism. A surface roughness of the contact face is set to be in the range from about 0.5 ?m to about 5.5 ?m based on an arithmetic average roughness Ra. A contact resistance between the battery cover and the safety valve is thereby reduced. Further, a maximum height Ry of the contact face is preferably in the range from about 8.0 ?m to about 50.0 ?M.

Abstract: A battery casing, particularly suitable for a lead acid type battery, comprises a lid having a recess inset into a top surface, at least one vent at the base of the recess through which gas is expelled from the battery, a cover for sealingly covering the recess and defining a gas collection space within the covered recess, guide means for guiding the gas from the collection space away from the battery wherein the cover may be positioned in more than one orientation.

Abstract: Disclosed herein is a case which protects a plurality of flexible lithium polymer unit cells, has a compact structure to reduce volume, has a simple assembly process, and minimizes heat generated during a high-power charging or discharging operation. The battery case includes a pouch support frame to support a pouch of a unit cell having the pouch and electrode terminals. A heat radiating part having the shape of a shelf is provided on a surface of the pouch support frame, and defines a space for dispersing heat generated from the pouch. A terminal support having the shape of a wall is provided on an edge of the heat radiating part, thus supporting the electrode terminals of the unit cell.

Abstract: A battery has enhanced reliability by protecting the battery from external impacts by separately installing a reinforcement structure on a casing and an electrode assembly housed in the casing. The configuration reduces or minimizes volumetric change in the dimensions due to volumetric expansion of the electrode assembly. The battery may include an electrode assembly having first and second electrode plates with a separator interposed therebetween. First and second terminal portions extending from the first and second electrode plates and a pouch casing having an open portion and for housing the electrode assembly. A pouch cover coupled and sealed with an opening of the pouch casing. The pouch cover having at least one throughhole and at least one electrode pin fastened to the throughhole. The electrode pin is electrically connected to one of the first and second terminal portions of the electrode assembly.

Abstract: A case for a secondary battery prevents reverse-insertion of a battery by having a step-shaped fastening groove formed in an upper case, the groove being connected to a fastening projection of a terminal of an electrical/electronic device. A battery pack includes the case. The battery pack further includes: a bare cell; a protection circuit board electrically connected to the bare cell; and an upper case disposed at the exterior of the bare cell and covering the protection circuit board, the upper case including a step-shaped fastening groove.

Abstract: An energy storage device, such as an electrical storage battery, having a unique terminal structure, sealing arrangement and an S-shaped mandrel for the electrode assembly. The battery generally includes a case in which an electrode assembly is dispose, and a cover provided with a fill hole and fill plug, and a terminal structure that forms a battery terminal. The terminal hole and the fill hole have counter bore structure to provide tighter sealing. A nickel layer is provided on the aluminum fill plug to facilitate electrical contact with the external circuit. A mandrel is provided for the rolled electrode assembly, and is electrically coupled to the terminal structure via a push-in tab inserted into a space in the S-shape of the mandrel.