Abstract: A battery includes a feedthrough pin which is electrically connected to an inner end of an electrode substrate. A mandrel on the pin can permit the pin/mandrel to be used as an arbor to facilitate winding layers of a spiral jellyroll electrode assembly. The pin can serve as one of the battery terminals.

Abstract: An electric storage battery and method of manufacture thereof. Active material (78) is removed from both sides of the outer end (88) of the negative electrode (70) in a jellyroll (84) to allow room for adhesive tape (96) to secure the jellyroll.

Abstract: A battery receptacle includes an insulative casing having top and bottom walls for accommodating a battery unit therebetween. A pair of first anode and cathode terminals are disposed on the top wall. An electrical contact and a pair of second anode and cathode terminals are disposed on the bottom wall. A positive-electrode connecting member interconnects electrically the first and second anode terminals, and is adapted to be in electrical contact with a positive electrode of the battery unit. The electrical contact is adapted to be in electrical contact with a negative electrode of the battery unit. A negative-electrode connecting member is connected electrically to the first and second cathode terminals and the electrical contact.

Abstract: An electric storage battery and method of manufacture thereof characterized by a feedthrough pin which is internally directly physically and electrically connected to an inner end of a positive electrode substrate. A C-shaped mandrel extends around the pin and substrate end enabling the pin/mandrel to be used during the manufacturing process as an arbor to facilitate winding layers of a spiral jellyroll electrode assembly. The pin additionally extends from the battery case and in the final product constitutes one of the battery terminals with the battery case comprising the other terminal. Active material is removed from both sides of the outer end of the negative electrode in the jellyroll to allow room for adhesive tape to secure the jellyroll. The electrolyte is injected through the open end of the case after the endcap is welded to the negative electrode but before sealing the endcap to the case. The electrolyte is preferably injected through the C-shaped mandrel to facilitate and speed filling.

Abstract: A first member 11 and a second member 12 connected to each other are provided. The first member 11 is electrically connected to an electrode. The second member 12 is bonded to a position of the first member 11 remote from the electrode and is constituted by a material of a kind different from that of the first member 11. An overlapped portion 13 is formed at the first member 11 and the second member 12 and the overlapped portion 13 is bonded by cold welding. By the cold welding, the overlapped portion 13 is formed with a plurality of pressure marks 14 in a recess shape. Each cold pressure welded mark 14 is formed with a deformation mark reducing a depth of the cold pressure welded mark of the recess shape before plastic working by plastically working the overlapped portion 13 in a thickness direction thereof.

Abstract: A secondary battery includes an electrode assembly including a positive electrode, a negative electrode and a separator interposed therebetween. A container receives the electrode assembly, and a cap assembly is fixed to the container to seal the container. A collector plate is electrically connected to the electrode assembly. The positive electrode, the negative electrode, or both has an uncoated region uncoated with active material. The uncoated region has a bent portion and the collector plate can be electrically connected to the bent portion of the uncoated region.

Abstract: A fluid consuming battery and method are provided for reducing electrode doming and providing an adequate sealed closure to the battery housing. The battery includes a cell housing having first and second housing components and at least one fluid entry port through a side of the cell housing for the passage of a fluid. The battery also has a gasket disposed between the first and second housing components. A first electrode is disposed within the cell housing in electrical contact with the first housing component and a second air electrode is provided in an electrode assembly disposed within the cell housing in electrical contact with the second housing component. The electrode assembly includes a first peripheral portion that is compressed relative to a middle portion prior to assembling the first and second housing components together and closing the cell housing.

Abstract: A core structure for a circular lithium secondary battery is disposed in a case of the battery and comprises: a core, an electrode assembly, and two conductive fixing assemblies. A connecting member serves as an electrical conductive connection for connecting the conductive pressing pieces to the positive lead terminal or the negative lead terminal, and the connecting member is a curved flexible structure. By such arrangements, even if there is a dimension error in the core or the case, which can be overcome by the deformation of the connecting member, and thus the battery can be assembled successfully.

Abstract: An electrical connection structure for a core assembly of a secondary lithium battery employs a conductive connecting assembly as an electrical conductive connection to connect the core assembly to the positive or negative lead terminal. The conductive pressing piece is a flexible structure. By such arrangements, even if there is a dimension error in the core or the case, which can be overcome by the deformation of the conductive fixing assemblies, and thus the battery can be assembled successfully. The bolt enables the conductive pressing piece to be maintained in a close electrical contact with the positive or negative lead area, and the connecting portion is electrically connected to the positive lead terminal or the negative lead terminal of the case.

Abstract: A core structure for a square lithium secondary battery comprises: a core, an electrode assembly, and two conductive fixing assemblies. The respective layers of the positive and negative lead areas are clamped together by the conductive pressing pieces, therefore, the structure of the present invention is simple. In addition, the respective layers of the positive and negative lead areas are pressed against and in electrical contact with one another directly. Therefore, the internal resistance of the present invention is relative low, and is suitable for use in the high capacity battery case.

Abstract: A conductive structure for an electrode assembly of a secondary battery comprises: a core disposed in a case, two lead terminals fixed at both ends of the core, an electrode assembly winding about the core, two clasping structures for enabling the electrode assembly to keep in electrical contact with the lead terminals, and two fixing nuts for fixing these components and the case. The electric connection between the positive lead, the negative lead and the lead terminals is achieved by clasping structures without the use of any welding operation. Therefore, the operation procedure of the present invention is effectively simplified, and the equipment cost is substantially reduced. In addition, the positive and negative leads are in a large area electrical contact with the collecting area, thus relatively reducing the internal resistance.

Abstract: An improved battery design which is particularly suitable for use in an implantable medical device is disclosed. The design utilizes a two-part case for the battery contents which allows freedom with respect to feedthrough locations and battery shape.

Abstract: A battery including an electrode unit housed in a battery can and which generates electricity which can be taken out of the battery via a pair of negative and positive electrode terminals, wherein a terminal assembly is installed in the battery, a current collector plate is connected to an edge of an electrode of the electrode unit for connecting the electrode unit to the terminal assembly, and one or more than one connecting piece which is protrusively formed on a surface of the current collector plate is welded and secured to a base portion of the terminal assembly.

Abstract: Electrochemical cells, and particularly a current collector assembly for a cell that forms an electrically conductive path between a cell electrode and a terminal of the cell, are described, along with a method for manufacturing the same. The current collector includes a non-conductive core and a conductive outer surface layer disposed on the core and shaped as en elongated rod. A seal hub gasket for sealing the open end of a cell container and for venting gasses when exposed to excessive pressure is also described. The method of manufacturing a cell includes the deposition of a non-carbonaceous conductive material on a non-conductive core, with the resulting current collector being inserted into a cell to maintain electrical connection between the electrode and the container/contact terminal.

Abstract: An electrochemical cell, particularly an electrochemical cell having a container with a positive polarity. In one embodiment, the cell is a primary cell that includes an electrode assembly having a lithium negative electrode and a positive electrode, preferably comprising iron disulfide. The cell is provided with a spiral wound electrode assembly with a portion of the positive electrode contacting the container. The positive electrode current collector contacts the container in one embodiment. The negative electrode includes an electrically conductive member that electrically contacts a cover of the cell and provides the cover with a negative polarity. In a preferred embodiment, the electrically conductive member makes pressure contact with a portion of the cell cover. A method of manufacturing such a cell is also provided.

Abstract: An electrode assembly of a lithium secondary battery is specially designed such that the positive and negative layers are formed at a side thereof with a large uncoated negative lead area and a large uncoated positive lead area. In addition, the collecting area is located correspondingly to the negative lead area or the positive lead area. And then the clasping assemblies are fixed outside the positive lead area or the negative lead area. In this way, the two pressing pieces are firmly pressed against the positive lead area or the negative lead area. On the one hand, the respective layers of the positive lead area or the negative lead area are pressed closely against one another, and on the other hand, the innermost layer of the positive lead area or the negative lead area is allowed to be maintained in a tight electrical contact with the collecting area.

Abstract: In a battery having a wound electrode element which is made contact with by means of a pin, a contact connection is fitted on the outer face and is electrically connected to the pin which is arranged in the housing. The connection between the pin and the contact connection can also be tightened mechanically. In consequence, the pin can be used at the same time as the holding element for the wound electrode, which leads to space being saved within the battery housing. Furthermore, the connection which can be tightened mechanically can be produced very easily, is robust and is scarcely susceptible to corrosion. It also allows a seal, which is impermeable to gases, for the battery interior. The battery is particularly suitable for mobile small and miniature appliances which draw a high current, so that their battery must be replaced frequently.

Abstract: A prismatic sealed battery has a prismatic battery case (3) which includes a plurality of prismatic containers (4) coupled in a row via partitions (5), electrode plate assemblies (8), and collectors (10) which are joined to lead portions on both sides of the electrode plate assemblies (8). Each container (4) contains the electrode plate assembly (8) to which said collectors 10 are joined. An opening (21) is formed in at least one side wall (20) of the prismatic battery case (3) and in a position where each partition (5) is disposed, in such a manner as to face the containers (4) on both sides, and a conductive connection member (23) disposed in the opening (21) is connected to the collectors (10, 10) on both sides of the partition (5). Since the current-carrying path between the electrode plate assemblies (8) becomes short, internal resistance decreases, and hence internal resistance per cell (2) is reduced. Even and full use of the whole electrode plate assembly (8) achieves higher power output.

Abstract: A lithium ion battery configured to yield a high energy density output by minimizing head space, i.e., wasted interior volume, within the battery case and/or by reducing electrical energy losses internal to the battery.

Abstract: A laminate cell comprises a power generating element formed by sequentially stacking positive electrode plates and negative electrode plates while interposing separators therebetween; a cell package formed of a metal composite film, the cell package hermetically sealing the power generating element and an electrolyte; a positive tab connected to the positive electrode plates; and a negative tab connected to the negative electrode plates. According to the laminate cell, the power generating element and the cell package have approximately rectangular plane shapes, and the positive tab and the negative tab are drawn outward from end edges of long sides of the cell package.

Abstract: Disclosed herein is a secondary battery having an electrode assembly received in a receiving part of a battery case, the electrode assembly being constructed in a structure in which pluralities of cathodes and anodes are stacked one on another while separators are disposed between the respective cathodes and anodes, and electrode taps extending from the stacked cathodes and anodes are coupled to electrode leads, wherein the receiving part of the battery case is provided at the outer upper end thereof with a depressed step such that at least a portion of the inner upper end of the receiving part of the battery case excluding the electrode taps-electrode lead coupling parts of the electrode assembly is in tight contact with the upper end of the electrode assembly.

Abstract: A lithium secondary battery includes: a plurality of sheets of a positive electrode; at least one sheet of a negative electrode; a separator disposed between each of the positive electrode sheets and the negative electrode sheet; an electrode assembly (20) including the positive electrode, the negative electrode, and the separators; a battery case for accommodating the electrode assembly; and positive electrode current collector tabs (1), attached to individual sheets of the positive electrode, for connecting the sheets of the positive electrode to a positive electrode terminal portion of the battery case. The electrode assembly (20) is formed so that the plurality of sheets of positive electrode and the at least one sheet of the negative electrode are stacked with the separators interposed therebetween. In the electrode assembly in which the electrodes are stacked, the positive electrode current collector tabs are disposed staggered at a plurality of locations.

Abstract: A secondary cell comprises an electrode unit housed in a cell can comprising a cylinder having a bottom and a closed opening, and a current collector plate 50 is provided at one end of the electrode unit. The current collector plate 50 has a plurality of protrusions 52 extending radially thereof and joined to an edge of the electrode unit. The surface of the current collector plate 50 to be joined to the bottom wall of the cylinder has a flat region R extending on a predetermined closed-loop track on the surface, and the portions of the current collector plate 50 and the cylinder to be joined are subjected along the flat region R to laser welding from outside the cylinder.

Abstract: A secondary battery includes an electrode assembly having a positive electrode, a negative electrode and a separator, and a case containing the electrode assembly therein. A cap assembly is attached to the case and has a positive electrode terminal and a negative electrode terminal. The positive and the negative electrodes have non-active material portions with no active material, and the positive and the negative electrode terminals are respectively electrically connected to the non-active material portions of the positive and the negative electrodes. A width of the electrode assembly W1 is greater than a width of the positive and negative electrode non-active material portions W2.

Abstract: A primary lithium electrochemical cell housed in a casing having a curved side wall intermediate opposed generally planar face walls is described. The cell comprises an anode and a cathode that each has a plurality of face portions joined together by connecting portions. The opposite polarity face portions and connecting portions are aligned with each other and then the electrodes are wound to provide an electrode assembly that fits in the casing. Regardless whether the cell is balanced as either an anode-limited or cathode-limited configuration, however, it is desirable to have the active material of one electrode face portion directly facing the electrode material of the counter electrode face portion. This means that the dimensional extent of the facing electrodes should be as close to each other in areas as possible to match the desired anode- or cathode-limited balance. The same is true for the connecting portions. The cell is of a high energy density for an implantable biomedical device.

Abstract: A battery cell having significantly improved capacity utilization at high discharge rates while maintaining much of the energy content and other feature advantages of typical cylindrical or prismatic alkaline cells, by implementing a novel cell construction that produces increased surface area between the anode and cathode. The cell comprises an inner electrode encapsulated by a separator and disposed within the interior space of the housing. The inner electrode comprises a substantially flat material in a folded configuration and formed such that an outer extent of the inner electrode is generally conforming to a contour defined by the interior surface of the cell housing. An outer electrode is disposed within the interior space of the housing such that it is in ionic communication with the inner electrode and in electrical communication with the first terminal of the cell housing.

Abstract: A lithium ion secondary battery in which at least one step portion is formed on an upper surface of a cap plate, and at least one step portion is formed on a lower or first surface of a battery part opposite to the upper or first surface of the cap plate so that the at least two step portions are complementary. The complementary step portions of the cap plate of the bare cell and the battery part provided at an upper part of the cap plate result in easy coupling of the battery part to the bare cell and stable maintenance of the coupling between the battery part and the bare cell. The coupling structure results in greater ease in performing subsequent manufacturing processes and protects the bare cells coupled to the battery part from dislodging.

Abstract: A sealed rechargeable battery has an electrode group formed by winding a positive electrode and a negative electrode through a separator. A plurality of radial slits are provided in a welding section that is formed by an exposed section of a collector of at least one of the positive electrode and the negative electrode exposed at both ends of the electrode group. In the welding section, the exposed section is folded from the winding axis side toward the outer periphery to form a flat welding face.

Abstract: A secondary battery including an electrode assembly in which anode and cathode electrodes are laminated with a separator interposed therebetween and are wound together, a can to receive the electrode assembly, and a cap assembly attached to an opening of the top of the can, the cap assembly having an electrode terminal that is electrically connected with one of the electrodes of the electrode assembly and including two protrusion parts formed thereon.

Abstract: A sealed prismatic battery has a battery case made of a plurality of prismatic cell cases coupled together via partition walls. Electrode plate groups are accommodated together with liquid electrolyte in each of the cell cases. Each electrode plate group consists of alternately stacked-up positive and negative electrode plates with separators interposed therebetween, lead portions of positive and negative electrode plates being protruded on opposite sides. Collectors are bonded to these lead portions. Between the collectors and end walls (and/or partition walls) of the battery case are provided conductive plates that are connected to the collectors one or more than one location in their middle part so as to decrease the resistance between connection terminals and the electrode plate groups.

Abstract: The invention provides a lithium secondary cell including an inner electrode body impregnated with a non-aqueous electrolyte, made up of a positive electrode and a negative electrode each made of at least one metallic foil wound or laminated together and collectors to lead out a current from this inner electrode body. The edges of the metallic foil of the positive electrode and/or the negative electrode and predetermined parts of the positive electrode collector and/or negative electrode collector are joined together to lead out a current from the inner electrode body. The edges of the metallic foil, the edges (joint edges) arranged to be joined to the predetermined parts of the positive electrode collector and/or the negative electrode collector and the predetermined parts of the positive electrode collector and/or the negative electrode collector are joined together. The lithium secondary cell has excellent productivity and space-saving capability.

Abstract: An electrode assembly and construction method therefor for use in small high performance batteries suitable for implantable medical device applications. The electrode assembly comprises a stack of precisely aligned planar elements including alternately arranged positive and negative planar electrodes having a planar separator interposed between adjacent electrodes. Each electrode is preferably formed of a thin metal substrate carrying active material on front and rear faces. The peripheral edge of each electrode defines an active area and a tab extending therefrom. The front and rear faces of the active area each carries a layer of active material. The faces of the tab area are preferably bare. The positive electrode tabs are located at a first position along the peripheral edge whereas the negative tabs are located at a second position spaced from said first position. Each tab carries a clip to form a reinforcing strip adjacent each tab face. Alignment holes are formed in the clips and tabs.

Abstract: A thin battery is configured with improved durability of foil-like electrode terminals. The thin battery has an electricity-generating element housed inside a battery outer casing with a pair of electrodes of the electricity-generating element being connected to electrode terminals that extend out from the outer edges of the battery outer casing. The electrode terminals have a base portion located partially with the battery outer casing and a tip portion spaced from the battery outer casing with strength transition point being formed between the base portions and the tip portions. The strength transition points of the electrode terminals are positioned to the outside at some distance away from the outer edge of the battery outer casing.

Abstract: An embedded fastener having enhanced torque resistance and a method of making an embedded fastener with enhanced torque resistance comprising interposing a layer between the lead battery part and the fastener. In one embodiment an electrically conducting layer of a lead adhereable layer is applied to the exterior surface of a fastener. Next, one places the fastener with the layer of lead adhereable material in a mold and injects molten lead into mold and allows the molten lead to solidify around the layer of lead adhereable material on the fastener to thereby secure the solidified lead to the layer of lead adhereable material on the fastener to provide a battery part having a fastener therein with enhanced torque resistance.

Abstract: A battery pack includes a plurality of batteries interlocked linearly through a connector. The connector includes an inner peripheral portion to be welded to one battery, and an outer peripheral portion, provided outside the inner peripheral portion, to be welded to the other battery. The inner peripheral portion and the outer peripheral portion have a step in between, and the step places the inner peripheral portion in a concave portion of the connector. The inner peripheral portion of the connector is located interiorly of a caulking convex strip provided at an end face of one battery, and an inner peripheral portion is connected to the battery end face through welding without coming in contact with the caulking convex strip. The outer peripheral portion is connected to an outer peripheral portion of a battery end face of the other battery through welding.

Abstract: An electrochemical element having a winding electrode set comprises a strip positive electrode, a strip negative electrode and a strip separator which is located between them, which are wound up in a spiral to form an electrode winding. The electrochemical element has a cylindrical housing for holding the electrode winding, and a sealed cell pole which is isolated from the housing. The physical distance between the edge of at least one winding electrode and one pole is bridged by a current collector with spring elements. The current collector provides the connection between the electrode and one pole. The spring elements can be conductively connected to collector disks, to the cover and to the bottom of a cup of the electrochemical element.

Abstract: A non-aqueous electrolyte cell in which the cell capacity is improved and positioning accuracy of external terminals is assured. A unit cell is housed in an exterior packaging material of a laminated film and encapsulated on heat sealing. To elongated positive and negative electrodes of the unit cell are electrically connected electrode terminal leads which are exposed to outside of the exterior packaging material as the leads are surrounded by heat fused portions. The unit cell is a wound assembly of the positive and negative electrodes each of which is includes of a current collector carrying a layer of an active material. The electrode terminal leads are mounted on the current collectors of the positive and negative electrodes in the vicinity of the innermost turn of the wound assembly. In manufacturing the unit cell, the positions of the electrode terminal leads are detected and positioned with respect to the flat winding arbor. The positive and negative electrodes then are wound on the winding arbor.

Abstract: An electrochemical element which contains a stack including two or more individual cells with positive and negative electrodes as well as separators in a housing formed from a metal sheet which is coated on the inside with insulating material. The output conductor lugs of each polarity are welded to a collector. The collector forms an external electrical connection of the electrochemical element. Those areas of the output conductor lugs and the collector which are welded to them, point towards the housing internal wall and are adjacent to the housing wall and are covered with a plastic film. The plastic film is adhesively bonded to the output conductor and to the collector with a silicone adhesive layer and is composed, for example, of polyimide.

Abstract: The present invention discloses a device and method pertaining to battery construction. In the preferred embodiment, the shape and construction of the battery is designed to maximize energy density and efficiency, while minimizing volume and related restrictions. Furthermore, the efficient, simplified internal construction of the present invention, using readily available tubes, pins and spacers, renders it safe and reliable for medical applications, and lends to relative ease and cost effectiveness in manufacturing. The utilization of a neutral case further adds to the safety and reliability of the present invention. Also, the strategic positioning of the electrolyte fill hole allows for quick filling. A related battery construction tool and method are also disclosed adding to the overall usefulness and efficiency of the present invention.

Abstract: A method of constructing a battery using a control unit to cause pallets on an automated conveyor system to move between indexed positions on the conveyor system. Control unit causes terminals to be deposited on said pallet in a first position, control unit causes pallet to be moved to a second position, and a delivery mechanism controlled by control unit deposits bicells on said terminals with use of an alignment plate, said alignment plate on a separate circulating conveyor, controlled by control unit. Bicells are aligned to be in electrical contact with said terminals.

Abstract: The invention provides electrical storage battery assemblies and related methods for assembling such batteries. A battery assembly includes positive and negative electrode sheets and separator sheets sandwiched together and wrapped around a central mandrel to provide a spiral sandwich electrode assembly. The electrode assembly is housed inside a case that includes a case housing open at two ends and covers closing the two openings. The central mandrel of the electrode assembly is in electrical contact with one of the electrode sheets and a first battery terminal that passes through the case. A projecting member on the central mandrel provides the electrical connection between the electrode and the first battery terminal. The other electrode is in electrical contact with the case. A first insulator lies between the electrode assembly and the projecting member. A second insulator is positioned between the projecting member and the case.

Abstract: A positive electrode plate (11) and a negative electrode plate (12) are coiled around into a flat shape such that positive electrode layer faces (22a–22e) and negative electrode layer faces (23a–23f) are alternately layered upon one another with a separator interposed therebetween. Positional discrepancy detecting holes (41a, 41b, 42, 43, 44) are formed in the positive electrode layer faces (22a, 22b) and negative electrode layer face (23a) facing each other at the coiling start end, and in the positive electrode layer face (22e) and negative electrode layer face (23f) facing each other at the coiling finish end. The electrode plates are coiled into an electrode plate group, which is subjected to X-ray inspection for detecting positional displacement based on a discrepancy in the positions of the holes.

Abstract: An electric power generating element of a battery is covered with an electric conductor including a positive conductor member electrically connected to a positive plate, a negative conductor member electrically connected to a negative plate, and a separating member. An electric resistance per unit length of at least one of the positive and negative conductor members is made smaller than that of positive and negative current collectors of the positive and negative plates electrically connected to the positive and negative conductor members, respectively. For example, by making a thickness of the positive conductor member larger than that of the positive current collector, the electric resistance per unit length of the positive conductor member is made smaller than that of the positive current collector. Accordingly, large current occurring during internal short-circuiting can be rapidly distributed between the positive and negative conductor members, and excessive heat generation of a battery is prevented.

Abstract: The invention provides a closed type battery comprising an electrode-leading terminal formed by caulking that ensures satisfactory sealing sealability. That terminal comprising a metal plate for sealing up an opening in a battery can, an insulating member that cover a through-hole provided through the metal plate and both surfaces of the metal plate around the through-hole, an electrode-drawing sheet positioned on a surface of the insulating member located on an outer surface of a battery and an electrode-leading pin that is inserted into the through-hole in the electrode-drawing sheet and caulked from above and below. At the surface of contact of a flange of the electrode-leading pin with the insulating member there is provided at least a projection.

Abstract: A nonaqueous electrolyte secondary cell comprises a rolled-up electrode unit 2 composed of a positive electrode 23, a negative electrode 21 and a separator 22 interposed therebetween, and a negative electrode current collector plate 3 and a positive electrode current collector plate 30 joined to the respective ends of the electrode unit 2. The negative electrode collector plate 3 is joined to an edge of the negative electrode 21 projecting at one of the opposite ends of the electrode unit 2. The collector plate 3 has a two-layer structure comprising a copper layer 31 made of copper or an alloy consisting predominantly of copper, and a metal layer made of a metal not forming an intermetallic compound with lithium and having a lower laser beam reflectivity than copper or an alloy consisting predominantly of the metal. The collector plate 3 has its copper layer 31 contacted with the edge of the negative electrode 21 and welded thereto with a laser beam.

Abstract: A battery including an outer casing, positive and negative electrodes provided in the outer casing, and an electrolyte provided therebetween. The outer casing is electrically connected to one of the positive and negative electrodes to constitute one of electrode terminals. The other is connected to the other electrode terminal which is electrically insulated from the outer casing. At least one of the positive and negative electrodes and the electrode terminal are connected to each other through a collector, which includes a plate-shaped body section and a connecting piece extended in an almost vertical direction from an end of the body section. The body section or the connecting piece is provided with a bending guide section which can be bent in such a direction that the connecting piece approaches the body section.

Abstract: The present invention relates to a vibration-resistant accumulator with a housing (20), which comprises one or more cell boxes (16) each with a plate block (15) with positive and negative plate groups (14a, 14b), with the individual plates (1a, 1b) in a plate block (15) separated from one another by separators (6), the plates (1a, 1b) of each plate group (14a, 14b) having lugs (2a, 2b) and being connected together electrically by cell connectors (3a, 3b).

Abstract: An economical method for manufacturing an electrode assembly of virtually any shape to fit into a similarly shaped casing without compromising volumetric efficiency is described. This is accomplished by providing an electrode assembly of multiplate anode and cathode plates that substantially match the internal shape of the casing. That way, no matter what shape the device being powered by the cell dictates the electrode assembly assumes, as little internal volume as possible is left unoccupied by electrode active materials.

Abstract: A sealed prismatic battery having a battery case made of a plurality of prismatic cell cases coupled together via partition walls, electrode plate groups, and collectors bonded to lead portions on both sides of the electrode plate groups. In at least one side wall of the battery case is formed openings at locations corresponding to the partition walls such as to open to the cell cases on both sides of the partition walls. Pairs of conductive connection plates are connected to each other through the partition walls and formed with connection pieces that face the openings. The collectors are connected together via the conductive connection plates, i.e., they are connected to the connection pieces after the electrode plate groups are encased in the cell cases, and the openings are sealed by sealing plates in a manner that separates the cell cases.

Abstract: A prismatic battery module includes a prismatic battery case having a plurality of prismatic cell cases connected to one another through separation walls, a planar electroconductive connector forming part of the separation wall between the cell cases, an electrode plate group arranged in each cell case, and an electrolyte placed in each cell case. Lead portions of positive electrode plates and negative electrode plates of the electrode plate group are directly connected to the electroconductive connector. The prismatic battery module requires fewer connection points and provides shorter electrical communication paths, thereby reducing internal resistance.