Abstract: A battery system comprises a plurality of battery subunits arranged in a stack, wherein each battery subunit among the plurality of battery subunits comprises a first battery cell, a heatsink, a second battery cell, and a compliant pad in that order with the heatsink between and in thermal contact with the first and second battery cells and with the compliant pad abutting the second battery cell.

Abstract: A storage system for the storage of electric energy for a vehicle with electric propulsion; the storage system has: a plurality of chemical batteries, which are divided into groups, each of which comprises chemical batteries connected to each other in series and/or in parallel; and two rigid busbars, which connect the groups of chemical batteries in parallel and have respective connection portions, which constitute the connection terminals of the storage system to the outside; each rigid busbar has a variable cross section, which increases close to the connection portion, so that the cross section of each busbar is the largest at the connection portion and the smallest in correspondence to the end which lies the farthest from the connection portion.

Abstract: A battery has two or more individual cells that are connected in series and which, for contacting purposes, each has at least one contact electrode to the positive electrode (cathode) and at least one contact electrode to the negative electrode (anode). The two are made of metals that differ from each other. The contact electrodes to the anode and the cathode have passive corrosion protection at least in the respective contacting region of the contact electrodes.

Abstract: An energy storage apparatus includes: an energy storage device including a case housing an electrode assembly therein, an external terminal disposed at the case, and a fixing member for fixing the external terminal to the case, the fixing member electrically connecting the electrode assembly to the external terminal; and a bus bar member to be welded to the external terminal, wherein one of the bus bar member and the fixing member has a recess whereas the other of the bus bar member and the fixing member has a projection to be inserted into the recess.

Abstract: A battery pack includes at least two or more bare cells, a lead tab and an insulating member. Each of the bare cells has a first terminal portion. The lead tab is provided to the first terminal portion of the bare cell. The insulating member is interposed between the bare cell and the lead tab and is provided with an opening so that the bare cell and the lead tab are electrically connected to each other. In the battery pack, the insulating member includes two or more bare cell facing portions respectively corresponding to the bare cells, an extending portion that connects neighboring bare cell facing portions to each other, and guide portions respectively provided to the bare cell facing portions so as not to be arranged in one straight line.

Abstract: A secondary battery module includes a plurality of secondary batteries each including an electrode assembly, a case accommodating the electrode assembly, and electrode terminals electrically connected to the electrode assembly and extending outward from the case, and a bus bar that electrically connects neighboring electrode terminals of the plurality of secondary batteries. The bus bar includes a first part including penetration holes through which the electrode terminals penetrate such that the bus bar is fastenable to the electrode terminals and a second part extending from the first part, the second part being bent to face the first part.

Abstract: A battery pack includes a first electrode assembly; a second electrode assembly electrically connected to the first electrode assembly; and a pouch accommodating the first electrode assembly and the second electrode assembly, wherein each of the first electrode assembly and the second electrode assembly comprises a first surface, a second surface facing the first surface, and a pair of curved surfaces connecting the first surface and the second surface, wherein the first surface of the first electrode assembly and the second surface of the second electrode assembly are oriented to face each other, and wherein the second electrode assembly is offset in a first direction such that the second electrode assembly partially overlaps with the first electrode assembly.

Abstract: Disclosed herein is a battery assembly including at least two battery cells connected in series or in parallel. Each of the battery cells includes an electrode assembly including a cathode, an anode and a separator interposed between the cathode and the anode and a battery case in which the electrode assembly is mounted. An electrode terminal of a first battery cell and an electrode terminal of a second battery cell are formed as a single member at a series or parallel connection portion between the first and second battery cells.

Abstract: Using a simple structure to facilitate a flow path delivering coolant in an even and well-distributed manner, providing efficient and effective cooling for power battery packs in electric vehicles. The heat exchange apparatus is composed of an array of cooling duct plates, with ducts for coolant to flow within, with front and back covers and their respective rubber sheets facilitating the changing of direction of the coolant, providing a pathway for the coolant to flow throughout the array. Individual cells of the battery pack will be fitted in the spaces between these ducts, connected in series by a novel system of electricity-conducting clips, forming a structure where a comprehensive, well-distributed and compact cooling pathway can exist within the battery pack.

Abstract: A positive electrode for a rechargeable lithium ion battery includes a mixture layer including a positive-electrode active material, a conducting agent, and a binder and a collector having the mixture layer formed on the surface thereof. The positive-electrode active material is a composite oxide having an olivine structure expressed by a formula LiaMxPO4 (where M represents a transition metal including at least one of Fe and Mn and a and x satisfy 0<a?1.1 and 0.9?x?1.1). The conducting agent includes fibrous carbon. A carbon coating layer is formed on the surface of the collector. A part of the positive-electrode active material and a part of the fibrous carbon enter pits formed in the carbon coating layer.

Abstract: A connection structure for a battery module includes a fastening member and a space forming member. The fastening member presses a connecting portion of a bus bar against an electrode of the battery module to fasten the bus bar to the electrode. The space forming member has an elastic member disposed between the connecting portion of the bus bar and the electrode. The space forming member is configured to provide an insulating space between the connecting portion of the bus bar and the electrode. The elastic member is elastically deformed with a pressing force applied from the fastening member to the connecting portion of the bus bar to cancel the insulating space.

Abstract: A battery pack includes a plurality of unit batteries disposed in a spacer and connected via electrode tabs in a case so as to facilitate assembly of the battery pack and to prevent movement of the unit batteries when the battery pack is used, thereby increasing performance and efficiency of manufacture of the battery pack.

Abstract: A battery module including a plurality of battery cells aligned in one direction; and a bus-bar electrically connecting between a first terminal of one battery cell of the plurality of battery cells and a second terminal of another battery cell of the plurality of battery cells, wherein the bus-bar includes a bus-bar body, and bending portions, the bending portions extending from ends of the bus-bar body.

Abstract: The invention relates to an electrical energy storage system (100) comprising at least one coiled electrical energy storage element placed inside an envelope (200), said envelope (200) containing the coiled electrical energy storage element in a main body (210) of the envelope (200) and including at least one lid (230, 240), characterized in that said lid (230, 240), placed at one end of the main body of the envelope (200) and electrically connected by electrical connection means (280) to the coiled electrical energy storage element, is fastened to the main body (210) of the envelope (200) by a bonding means (600). The invention is particularly applicable in the production of electrical energy storage assemblies such as supercapacitors, batteries or generators.

Abstract: A battery having a cooling apparatus for temperature control of the battery is provided. The battery has a plurality of individual cells connected in parallel and/or in series with one another using cell connectors. The individual cells are attached to the cooling apparatus such that they can be prestressed by means of the cell connectors.

Abstract: The invention relates to a module comprising at least two electrical energy storage assemblies (20), each storage assembly (20) comprising a first face topped by a cover (30) electrically connected to said energy storage assembly (20) and a second face opposite the first face, each cover being in contact with a respective end of a strip (40) in order to electrically connect the two storage assemblies (20), in which the strip (40) and the faces of the covers (30) in contact with the strip (40) are flat, the strip (40) being welded to the faces of the covers (30) along weld leads (50, 50?).

Abstract: A secondary battery and a secondary battery module, the secondary battery including an electrode assembly, the electrode assembly including a positive electrode, a negative electrode, and a separator therebetween; a case for accommodating the electrode assembly; a cap plate for sealing the case; and at least one terminal unit, the at least one terminal unit including an electrode rivet electrically connected to one of the electrodes of the electrode assembly and formed of a first metallic material, a rivet terminal formed of a second metallic material, the second metallic material being different from the first metallic material, and a clad unit between the electrode rivet and the rivet terminal.

Abstract: A secondary battery includes an electrode assembly having a first electrode plate, a separator, and a second electrode plate, a collecting plate electrically connected to the electrode assembly, a case configured to accommodate the electrode assembly and the collecting plate, a cap plate configured to seal the case, and an electrode terminal part disposed through the cap plate and electrically connected to the collecting plate, the electrode terminal part including a first electrode terminal, a second electrode terminal, and a third electrode terminal.

Abstract: Provided is a battery module having improved safety by disconnecting an electrical connection due to short-circuit of electrode tabs by bending the electrode tabs upwardly extended to form welding parts having welding surfaces in a direction perpendicular to the battery module, performing a spot laser welding on the welding parts in a lap welding scheme using a top-hat-type laser beam or a Gaussian-type laser beam, and including a swelling partition to adjust a swelling position when a swelling increasing a volume due to a problem in a battery cell occurs and to short-circuit the electrode tabs.

Abstract: A battery assembly includes a plurality of compound electrodes and electrolyte. Each compound electrode includes an anode section and a cathode section. The compound electrodes are arranged such that the anode section of a first compound electrode interacts electrochemically with the cathode section of a second compound electrode with the electrochemical interaction being carried through electrolyte disposed between the plurality of compound electrodes.

Abstract: A battery pack includes conductive tab coupled to the at least one battery cell. The conductive tab has a contact area coupled to a terminal region of the at least one battery cell. The contact area is greater than an area of the terminal region, to support, for example, higher currents and/or over-current conditions. Also, the conductive tab may be secured to the at least one battery cell without the use of specially designed jigs.

Abstract: An anode electrode for an energy storage device includes both an ion intercalation material and a pseudocapacitive material. The ion intercalation material may be a NASICON material, such as NaTi2(PO4)3 and the pseudocapacitive material may be an activated carbon material. The energy storage device also includes a cathode, an electrolyte and a separator.

Abstract: A power battery pack and a power battery system are provided. The power battery pack comprises: a plurality of single batteries, each single battery comprising a plurality of battery units, in which an nth battery unit in the plurality of battery units in each single battery is connected with an nth battery unit in the plurality of battery units in an adjacent single battery in series to form an nth loop, where n?1.

Abstract: The accumulator assembly comprises a plurality of electrical energy accumulator elements 12 each comprising connecting electrodes 18, 20, assembly means 22, 24, 50, 52, 54 linking said electrodes, a connector 35 for connecting an external component to the assembly, and a connector support 67. The support 67 comprises a mounting base 64 borne by the assembly means and a fixing lug 65 supporting the connector and configured in such a way as to allow a movement of the connector relative to the mounting base in response to an external stress exerted on said connector and/or on the fixing lug.

Abstract: The invention relates to an energy storage device (1) having storage modules (3) which are connected in series in a supply section and which in each case comprises an energy storage cell module (5) having at least one energy storage cell (5a, 5k) and a coupling device (7) having coupling elements (7a, 7b, 7c, 7d) which are designed selectively to switch the energy storage cell module (5) into the supply section or to bridge said energy storage cell module. The energy storage cells or the energy storage cell modules can be exchanged.

Abstract: A battery includes a bottomed case of box shape housing a power-generating element, a lid component for the case, a terminal electrode provided outside the case and extending in the direction of the thickness of the lid component, a take-out electrode passing through the lid component, provided for taking out an electric power of the power-generating element to the outside of the case, and disposed at a position different from that of the terminal electrode within a plane including the lid component, and a connecting member connecting the terminal electrode and the take-out electrode and including a thinner portion allowing bending of the connecting member in response to an external force applied to the terminal electrode in the direction of the thickness of the lid component.

Abstract: Disclosed is a bus bar module and a power, the bus bar module includes: a plurality of bus bars for connecting a plurality of batteries in series by connecting together electrodes of the adjacent batteries of the plurality of batteries arranged straight; a plurality of terminals configured to be connected to each of the bus bars; and a case housing the plurality of bus bars and the plurality of terminals, an electronic component mounted on the batteries, the case includes: a plurality of housings arranged along an arranging direction of the plurality of batteries, housing each of the bus bars and each of the terminals; and a wiring section arranged in parallel with the plurality of housings, wiring a first electric wire configured to be connected to the terminals, the electronic component is disposed at an opposite side of the wiring section across the housing.

Abstract: A battery matrix provided with a plurality of battery cells; each of the battery cells provided with a positive terminal and a negative terminal. A positive trace grid and a negative trace grid, each provided as a conductive mesh with an array of apertures forming a plurality of alternative conductive paths across each of the positive and negative trace grids. Each of the battery cells coupled at the positive terminal to a positive trace pad of the positive trace grid and at the negative terminal to a negative trace pad of the negative trace grid. Alternatively, an intermediate trace grid may be introduced so that successive rows of the battery cells are coupled electrically in series with one another.

Abstract: Lithium-rich compounds that are precursors for positive electrodes for lithium cells and batteries comprise a Li2O-containing compound as one component, and a second charged or partially-charged component, selected preferably from a metal oxide, a lithium-metal-oxide, a metal phosphate or metal sulfate compound. Li2O is extracted from the electrode precursors to activate the electrode either by electrochemical methods or by chemical methods. Methods for synthesizing and activating the electrodes, electrochemical cells, and batteries containing such electrodes also are described.

Abstract: Ultrafast battery devices having enhanced reliability and power density are provided. Such batteries can include a cathode including a first silicon substrate having a cathode structured surface, an anode including a second silicon substrate having an anode structured surface positioned adjacent to the cathode such that the cathode structured surface faces the anode structured surface, and an electrolyte disposed between the cathode and the anode. The anode structured surface can be coated with an anodic active material and the cathode structured surface can be coated with a cathodic active material.

Abstract: A storage module includes a plurality of stacked cell units, in which each of the cell units has a storage cell that has a pair of electrode tabs, and a frame body where the electrode tab of the storage cell that is adjacent in a stacking direction of the cell units is fixed, and each of the frame bodies has an elastic portion that presses the electrode tab to the other frame body other than one of the frame bodies.

Abstract: A cell module and modular cell tray apparatus for a modular electrochemical device that are more easily manufactured and serviced. A cell module is provided having a plurality of electrochemical cells. The cell module includes an electrically conductive carrier element having a plurality of apertures, wherein each aperture is configured to accept a top portion of an electrode body of an electrochemical cell. A modular cell tray apparatus is provided having a plurality of the cell modules. The cell tray apparatus includes an electrically insulating tray having rows of cell receptacles to accept the cell modules. A modular electrochemical device is provided having a plurality of the cell tray apparatuses. The modular electrochemical device includes a plurality of electrical connectors configured to electrically connect the cell modules within a cell tray apparatus, and to electrically connect the cell tray apparatuses to each other.

Abstract: A battery unit is provided which includes a battery made of a stack of a plurality of cells each of which is equipped with electrode tabs serving as a positive terminal and a negative terminal. The electrode tabs each have a bent portion which lies between a body of the cell and a joint of the electrode tab to a bus bar. The bent portion is so geometrically shaped as to function as a stress absorber to minimize a mechanical stress which arises from oscillation of or thermal shock on the battery.

Abstract: A battery unit is provided which includes a battery made of a stack of a plurality of cells each of which is equipped with electrode tabs serving as a positive terminal and a negative terminal. The electrode tabs are broken down into first electrode tabs and second electrode tabs. The first electrode tabs are the electrode tabs of every adjacent two of the cells which are joined together through a weld. The second electrode tabs are the electrode tabs of the cells each of which is joined to a bus bar through a weld without being connected to any of the electrode tabs. The first and second electrode tabs each have a bent portion which lies between a body of the cell and the weld and works as a vibration absorber to ensure the stability in forming the weld during a welding operation.

Abstract: A sodium-ion electrochemical cell described herein comprises a cathode, an anode, and a non-aqueous sodium-containing electrolyte therebetween. The electrolyte comprises a sodium salt dissolved in a liquid organic carrier. The cathode comprises at least one transition metal chalcogenide compound in an initial discharged or partially discharged state and having the formula NaxMX2Cln, wherein 0<x?1; M is at least one transition metal having a +3, +4, or +5 fully discharged oxidation state, i.e., when x is 1. X is at least one chalcogen selected from the group consisting of S and Se, and n is 0 when the discharged oxidation state of M is +3, n is 1 when the discharged oxidation state of M is +4, and n is 2 when the discharged oxidation state of M is +5. In some embodiments, the cathode comprises NaxVS2, NaxTiS2, or a combination thereof.

Abstract: A battery module including: a plurality of battery cells aligned in a direction, the battery cells each including a terminal portion on a surface thereof; and a bus bar configured to connect between the terminal portions of battery cells of the plurality of battery cells, the bus bar including through-regions through which the terminal portions of the battery cells respectively pass, and a connection region connecting the through-regions, and a through-region of the through-regions has two or more through-holes corresponding to each other and through which one of the terminal portions passes, and the terminal portions are forcibly inserted into the bus bar.

Abstract: A battery (100) has first accumulator cells (111 . . . 114) connected in series to form at least one cell string (110), and second accumulator cells (121 . . . 124) are arranged so that cells can be connected in parallel to individual cells of the first accumulator cells (111 . . . 114) by switching elements (131 . . . 133?, 134, 134?). To compensate the charge between the cells, the switching elements (131 . . . 133?, 134, 134?) can establish two-way connections (A, B) between the first and second accumulator cells. Each second accumulator cell (121) can be connected in parallel alternately either to a first accumulator cell (111) within the cell string (110) or to another adjacent first accumulator cell (112). The switching elements (131 . . .

Abstract: A rechargeable lithium battery module includes a first rechargeable lithium battery cell combined with a second rechargeable lithium battery cell, the first rechargeable lithium battery cell being the same or different than the second rechargeable lithium battery cell, and the rechargeable lithium battery module has an output voltage of about 13.6 V to about 15.6 V.

Abstract: A battery pack including: a bare cell; a holder disposed at an end of the bare cell, having a connection groove on a side surface thereof; a protection circuit board seated in the holder; and an outer case disposed upon a side of the bare cell, having a connection protrusion mated with the connection groove, to secure the holder. Another battery pack includes: a bare cell including an electrode assembly and an cell case to accommodate the electrode assembly, including an outer casing and a inner casing, the cell case having a connection protrusion disposed at an edge of at least one of the outer and inner casings; a holder disposed at an end of the bare cell, having a connection groove to mate with the connection protrusion and thereby secure the holder; and a protection circuit board seated in the holder.

Abstract: A modular frame includes a first row of cell slots configured to receive first prismatic cells of a battery pack system. A second row of cell slots is configured to receive second prismatic cells of the battery pack system. A central interface beam is disposed between the first row of cell slots and the second row of cell slots. The central interface beam includes a first side and a second side. The first side is configured to receive terminals of the first prismatic cells. The second side opposes the first side and is configured to receive terminals of the second prismatic cells.

Abstract: A battery assembly includes at least one first cell unit of a first cell type and a first connection which is connected to a pole of the at least one first cell unit. The battery assembly also includes at least one second cell unit of a second cell type. The at least one second cell unit is different from the at least one first cell unit. The battery assembly also includes a second connection which is connected to a pole of the at least one second cell unit.

Abstract: An electrode assembly of a secondary battery and a method of fabricating the electrode assembly of the secondary battery. An electrode assembly of a secondary battery includes a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates, the first electrode plate including a first electrode collector and a first electrode tab coupled thereto, and the second electrode plate including a second electrode collector and a second electrode tab coupled thereto; and a protective member surrounding an end of one of the first and second electrode tabs, and a portion of the one of the first and second electrode tabs is exposed from the protective member and is coupled to a non-coating portion of a respective one of the first and second electrode plates.

Abstract: A battery pack includes at least one battery module having a plurality of battery cells; and a housing accommodating the at least one battery module and having an inlet port at a first side thereof and discharging port at a second side thereof opposite to the first side, the housing having a bottom surface that has a slope and a first hole at an end of the slope.

Abstract: A battery module of the present invention is adaptable to be utilized in various configurations including and not limited to an overlapping battery cell packaging configuration and a vertical stack battery cell packaging configuration used in an automotive and non-automotive applications. The battery module has a plurality of battery heatsink assemblies with the cells disposed therebetween. A plurality of rods extend through the each heatsink assemblies to secure the heatsink assemblies and the cell with one another to form the battery module.

Abstract: A battery wiring module, which is attached to a battery group formed by juxtaposing a plurality of batteries each having positive and negative electrode terminals, includes; a plurality of bus bars connected to the electrode terminals; and a resin protector made of an insulating resin and having a holding portion holding the bus bars. The holding portion of the resin protector is provided with a bus bar insertion portion adapted to insert the bus bars in a direction in which the plurality of batteries is juxtaposed.

Abstract: A coupling member between battery cells and a battery cell assembly using the same are disclosed. Specifically, a coupling member between battery cells comprises a coupling body having battery insertion holes at first and second sides of the coupling body, and an insertion space in an interior of the coupling body; and a conductor installed in the insertion space to partition the insertion space into the first and second sides, the conductor configured to contact an electrode of the battery cells.

Abstract: Interconnection assemblies and methods are provided. An interconnection assembly includes a first cell tab constructed of a first metal, and a second cell tab disposed against the first cell tab. The second cell tab is constructed of a second metal having a hardness greater than the first metal. The assembly further includes an interconnect member disposed against the second cell tab. The assembly further includes a weld assisting layer disposed against the first cell tab such that the first and second cell tabs are disposed between the weld assisting layer and the interconnect member.

Abstract: A lithium battery system includes a first battery pack including a plurality of first battery cells connected in series. The first battery pack is configured to be connected in parallel to an alternator and a second battery pack, and has a lower capacity than the second battery pack. A negative electrode of each of the first battery cells includes a negative electrode active material. The negative electrode active material includes a carbon-based material having an interlayer spacing of a (002) plane of 0.34 nm to 0.50 nm in X-ray diffraction measurement using copper (Cu) K? lines.

Abstract: A battery pack includes first to fifth terminal portions sequentially arrayed at one side surface of a housing, wherein the first terminal portion formed on one end side of the one side surface is a positive electrode terminal, the fifth terminal portion formed on the other end side is a negative electrode terminal, the fourth terminal portion formed adjacently to the fifth terminal portion is an ID terminal, and the fourth terminal portion and the fifth terminal portion are proximate to each other; and a guide portion for guiding the loading and unloading of the battery pack into and from a battery mounting portion is formed substantially in the center of the one side surface in array with the terminal portions, and the third terminal portion arranged centrally is formed at a position deviated toward the one end side or the other end side.

Abstract: A rechargeable battery and a rechargeable battery module, the rechargeable battery including an electrode assembly; a case accommodating the electrode assembly; a cap plate closing and sealing an opening of the case; and electrode terminals electrically connected to the electrode assembly and disposed in terminal holes of the cap plate, at least part of the electrode terminals being exposed outside of the cap plate, wherein each of the electrode terminals includes a base portion facing the cap plate; and a coupling portion protruding from at least one part of a top of the base portion, the coupling portion being coupleable to a bus bar by press-fitting.