Abstract: To improve cycling characteristics by evening out the battery reaction across different areas of a laminated electrode assembly in a non-aqueous electrolyte secondary-cell battery where the laminated electrode assembly, having tape applied to a top layer, an end face, and a bottom layer thereof, is contained in an outer casing, the tape applied to the periphery of the laminated electrode assembly, configured from a stacked plurality of interleaved separators, cathode plates, and anode plates, extends in the stacking direction across the top layer, end face, and bottom layer of the laminated electrode assembly. Each piece of tape is formed of a base material that is one of styrene-butadiene rubber, styrene rubber, or butadiene rubber.

Abstract: The invention concerns a method of improving the properties of a rechargeable nickel metal hydride battery. The method comprises a step of adding hydrogen peroxide in the alkaline electrolyte right before the closing of a sealed battery. Better performances on positive electrode active material utilization, charge retention at high temperature, and cycle stability are realized through this invention.

Abstract: Disclosed herein is a secondary battery pack including an anode and cathode terminal of a battery cell, the anode and cathode terminal being made of a plate-shaped conductive member, and being electrically connected to a PCM, a battery cell having the anode and cathode terminal formed at one end thereof, the battery cell being provided at the end thereof with a thermally welded surplus portion, and a PCM including a PCB having a protection circuit formed thereon, the PCB being provided at one side thereof with a cathode and an anode terminal connection portion and at the other side thereof with an external input and output terminal connection portion, an external input and output terminal electrically connected to the protection circuit of the PCB via the external input and output terminal connection portion of the PCB, and an electrically insulative PCM case.

Abstract: A battery pack and a method of manufacturing the battery pack, to include a pouch battery cell and a casing frame to accommodate and securely surround the battery cell. The casing frame may be constructed with a base frame, a first lateral frame protruding from one edge of the base frame, and a wing portion that is rotatable with respect to the base frame. The wing portion rotates from a first position where the battery cell can be inserted into the casing frame, to a second position where the battery cell is surrounded by and secured within the casing frame against damage from external forces, impulses and impacts.

Abstract: A flow cell battery system includes a plurality of stacked cells that include an anode plate and a cathode plate that are separated by a seal layer off an inner side of the anode plates and cathode plates. An outer side of the anode plates and cathode plates is disposed in an anolyte flow path and a catholyte flow path, respectively. A membrane acts as a barrier between the anolyte flow path and the catholyte flow path. A flow screen may be provided in the flow paths to mix the anolyte and catholyte in the respective flow paths.

Abstract: A secondary battery, a jig suitable for fabrication of the secondary battery, and a method for producing a secondary battery constructed with a case accommodating the electrode assembly. The case includes a front portion terminated along opposite edges by a first wing portion and a second wing portion, and a back portion positioned opposite to the front portion, with insulating film bent along a length of a junction between the front portion and each of the first wing portion and the second wing portion, a pair of holes in the insulating film are held in parallel alignment with respect to the length of the junction, with the insulating film adhering to and covering the front portion and a corresponding one of the first wing portion and the second wing portion, in order to prevent leakage of electrolyte, and resulting corrosion of the electrically conducting metal components of the secondary battery.

Abstract: Battery parts, such as battery terminals, and associated systems and methods for making the same are disclosed herein. In one embodiment, a battery part has a base portion that includes one or more undercut sealing portions, each having a root and a lip. The lip can flare outwardly from the root to define an undercut between the root and the lip of the sealing portion. In some embodiments, the battery terminal can include adjacent sealing portions having opposing undercuts defined by overlapping lips of the adjacent sealing portions. Another embodiment includes a forming assembly for use with, for example, a battery part having a bifurcated acid ring with spaced apart lips. The forming assembly can include movable forming members that can be driven together to peen, crimp, flare or otherwise form the lips on the bifurcated acid ring.

Abstract: A housing for an energy storage cell includes an interior which provides beneficial properties to fabricators of the cell. The cell may be hermetically sealed by conventional laser welding techniques.

Abstract: The invention relates to devices incorporating thin, lightweight electrochemical cells and their method of manufacture, whereby a thin flexible pouch-type cell (1) comprises at least one pair of overlying electrode layers separated from one another by an intermediate electrolyte layer (13), the cell exterior being defined by first and second laminated sheets (3, 9) sealed together, wherein each laminated sheet (3, 9) has an outermost layer (3a, 9a) forming a respective external face of the cell (1) and a coextensive, innermost, conductive layer (3b, 9b) that acts as a current collector layer (3b, 9b) and which supports an electrode layer (5, 11), although the conductive layer may also itself act as the active electrode layer.

Abstract: A flange 37b of a cap case 37 is provided with protrusions 37c that, before being swaging, project upward from the flange 37b. When the flange 37b is swaged along an upper surface of the cap 3, the protrusion 37c projects along the upper surface of the cap 3 from the flange 37b toward a center of the cap 3. The cap case 37 is welded to the cap 3 by friction stir welding at a welding portion 37d located at a substantially center of the protrusion 37c. The protrusions 37c are formed approximately in a letter-T shape that is symmetric left and right, and width W2 of a connecting portion 37r in a cap circumferential direction is smaller than the maximum width W1. The rigidity of the connecting portion 37r against deformation is reduced by forming a portion with small width W1 at the connecting portion 37r.

Abstract: A pouch type battery and a method of using the pouch type battery that includes an electrode assembly that includes a first electrode plate, a second electrode plate, and a separator interposed between the first and second electrode plates, and a pouch case that includes the electrode assembly and an electrolyte, wherein the pouch case includes an additional electrolyte inlet that protrudes from the pouch case.

Abstract: A flexible-envelope type battery and an electrically conductible sealing structure thereof and an assembling method thereof are provided. The battery includes an electrode pair, a flexible envelope and a pair of electrically conductible sealing structures. Each sealing structure includes a conductive terminal and a fixed member. The conductive terminal includes a bottom board and a protruding block, for conducting an electric current from the electrode pair to the outside. The bottom board is disposed within the flexible envelope and combined with the electrode pair. The protruding block is disposed on the bottom board for passing through and protruding from an upper surface of the flexible envelope. The fixed member is for tightly fixing the flexible envelope and the conductive terminal.

Abstract: A battery cell is disclosed. The battery cell includes a sealed foil pouch having a plurality of openings and a terminal block disposed within the sealed foil pouch. The terminal block has a plurality of terminals extending outwardly therefrom. Each of the plurality of terminals extends through one of the plurality of openings. A method of making the battery cell is also disclosed.

Abstract: An energy storage cell charged and discharged by electrolyte fluid. The cell includes a module that comprises a wall that separates an anode plate from a cathode plate. An anode hub is connected to the anode plate and a cathode hub is connected to the cathode plate. The anode hub and cathode hub are assembled together through an opening in the wall. An electrical connector connects the anode hub to the cathode hub to electrically connect the anode plate to the cathode plate maintaining the plates on separate sides of the wall at the same electrical potential. A plurality of energy storage cells are connected together to provide a flow cell battery system.

Abstract: Disclosed herein is a battery cell assembly including a battery cell array including two or more battery cells, each of which has an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, arranged in the lateral direction, and a protection circuit module (PCM) connected to the upper end of the battery cell array to control the operation of the battery pack, wherein the outer sides of the battery cells or the outer side of the battery cell array is coated with a resin by insert injection molding excluding electrode terminals of the battery cells.

Abstract: A method is provided for making a gasketed fuel cell membrane electrode assembly (MEA) comprising the steps of: i) selecting a fluid transport layer sheet material; ii) selecting a target level of compression Ct % for use of said fluid transport layer sheet material in a fuel cell membrane electrode assembly; iii) measuring the pressure Pt for which the fluid transport layer sheet material achieves compression of Ct %; iv) positioning between the platens of a press a membrane electrode assembly comprising: a) a polymer electrolyte membrane; b) an anode catalyst material; c) a cathode catalyst material; d) an anode-side fluid transport layer comprising the selected fluid transport layer sheet material; and e) a cathode-side fluid transport layer comprising the selected fluid transport layer sheet material; v) depositing a gasket material in the outer edge portions of the anode and cathode faces of the polymer electrolyte membrane; vi) compressing the membrane electrode assembly to a pressing pressure Pp which

Abstract: In order to obtain a secondary battery and a method for producing same whereby, notwithstanding the large size of an electrode group of several tens of stacked layers of positive electrode plates, negative electrode plates, and separators, any residual air, gases, or the like present between layers can be effectively driven out, and the electrolyte can be induced to reliably penetrate into the interior of the electrode group, secondary batteries RB1 to RB4 and the method for producing same are configured such that, during creation of a vacuum in a vacuum injection step, a predetermined section of a battery can 10 opposing the vicinity of the center part of an electrode group 1 undergoes deformation by a predetermined amount or more, and a venting function of driving out residual air between the layers is exhibited.

Abstract: A method of manufacturing a flexible-film primary battery includes forming a first conductive carbon layer on a surface-treated inner surface of a first pouch film to form a positive electrode collector, and forming a positive electrode layer on the first conductive carbon layer to form a positive electrode plate. A second conductive carbon layer is formed on a surface-treated inner surface of a second pouch film to form a negative electrode collector, and a negative electrode layer is formed on the second conductive carbon layer to form a negative electrode plate. An adhesion/post-injection polymer electrolyte layer is inserted between the positive electrode plate and the negative electrode plate to manufacture a battery assembly. An electrolyte is injected into the polymer electrolyte layer of the battery assembly. The battery assembly is sealed completely to form a primary battery.

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

Abstract: A method for manufacturing (large format) Lithium Battery packs, comprising the steps of providing one or more electrochemical cells, entering the one or more electrochemical cells into a pouch, partly sealing the pouch with the one or more electrochemical cells, entering the pouch with the one or more electrochemical cells into a drying oven, resting the pouch in the drying oven for a defined time, removing the pouch from the drying oven, transferring the dried pouches to an electrolyte filling station, filling the pouch with electrolyte and sealing the pouch wherein the manufacturing steps are performed under a normal manufacturing environment conditions, and only selected critical manufacturing steps are performed under dry room conditions.

Abstract: There is provided a polymer secondary battery using silicon and silicon oxide as a negative electrode active material that shows a high capacity retention rate also when a charge and discharge cycle is repeated. A polymer secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a polymer-containing gel electrolyte, wherein the negative electrode includes silicon and silicon oxide as a negative electrode active material, and the polymer-containing gel electrolyte is present in voids formed by fine division of particles of the negative electrode active material.

Abstract: Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics.

Abstract: A secondary battery capable of being charged after discharging is provided. The battery includes a positive electrode, made from a sheet of carbon nanotubes infiltrated with mixed metal oxides, and a negative electrode made from a sheet of carbon nanotubes with silicon or germanium particles.

Abstract: Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics.

Abstract: According to one embodiment, there is provided a battery having a plurality of current collector tabs extended from a plurality of points of a current collector of at least one electrode of a positive electrode and a negative electrode. The battery further has a lid and a lead. The lead has a current collector tab junctional part connected with the current collector tabs, a lid junctional part fixed to the lid, and a vibration absorber part linking the current collector tab junctional part to the lid junctional part.

Abstract: The invention relates to the use of a nitrogen silylated compound as additive in a nonaqueous electrolytic solution. The electrolytic solution is suitable for use in electrochemical cells such as lithium and lithium ion batteries. Batteries using this electrolytic solution have long cycle life and high capacity retention.

Abstract: The present invention provides a battery with high sealing property at the fitted portion among the case and the terminal. In the embodiment, the electric terminal has the groove formed on the outer periphery along the whole circumference of the terminal, and the groove has an outer edge line at the outer side of the case. The lid is provided with the through hole around which the flanged portion stands outward from the case. The terminal surrounded by the insulating member is inserted into the hole such that the groove faces a section of the lid having thickness in the axial direction of the terminal. Plastically deforming the upper area in the flanged portion above the edge line of the groove positioned at the outer side of the case and forming the press-fitted portion provides the fitted portion between the terminal and the hole.

Abstract: A battery module and a related method are provided. The module includes battery cells having electrical terminals extending from battery portions. The module further includes an interconnect board having apertures for receiving the electrical terminals therethrough, and an elastomeric layer having apertures extending therethrough. The elastomeric layer is disposed proximate to the interconnect board such that the electrical terminals extend through the apertures of the interconnect board and further extend through the apertures of the elastomeric layer. The module further includes a potting compound disposed on the elastomeric layer such that the layer prevents the potting compound from contacting the battery portions.

Abstract: Disclosed is a sheet-type secondary battery having: a laminated sheath (2) including an inner layer (2a) made of a thermoplastic resin and a metal layer (2b); and electrode terminals (3), each of which is connected electrically to an internal electrode pair (1) and passes through a heat seal portion (20) of the laminated sheath (2) in a hermetic manner so as to be led out externally. The sheath (2) and electrode terminal (3) are bonded with a bonding resin (5) at portion (20) in which terminal (3) is interposed. The inner layer (2a) of the sheath (2) opposed to the terminal (3) has an excess resin receiving portion (20a) formed thereon for receiving an excess resin in a heat sealing process. The portion (20a) is not formed in a heat seal portion (20P) at which the inner layers (2a) of the laminated sheaths (2) are bonded.

Abstract: A battery includes a power generation element, a case member having an accommodation recess for accommodating the power generation element and including first and second sides, and an opening closure member for closing the accommodation recess. A case inside part of the opening closure member contacts a first center edge of a first edge of the first side to prevent warping deformation of the first edge toward the accommodation recess, and is spaced from a first-first end and a first-second end. In addition, the opening closure member contacts a second center edge of a second edge of the second side to prevent warping deformation of the second edge toward the accommodation recess, and is spaced from a second-first end and a second-second end. The case member and the opening closure member are secured to each other at a welded part around their entire periphery.

Abstract: An electrochemical cell having an enclosure comprised of an enclosure body portion composed of a relatively high electrical resistivity material and an enclosure lid portion composed of a ductile material is discussed. The body portion of the enclosure preferably comprises Grade 5 or 23 titanium and the lid portion preferably comprises Grade 1 or 2 titanium. The enclosure lid is joined to the body of the enclosure through a welding process such as laser welding. The combination of these differing materials provides an enclosure that effectively retards the occurrence of eddy current induced heating as well as provides an enclosure that is more mechanically robust.

Abstract: Embodiments are described in terms of selective methods of sealing separators and jellyroll electrode assemblies and cells made using such methods. More particularly, methods of selectively heat sealing separators to encapsulate one of two electrodes for nickel-zinc rechargeable cells having jellyroll assemblies are described. Selective heat sealing may be applied to both ends of a jellyroll electrode assembly in order to selectively seal one of two electrodes on each end of the jellyroll.

Abstract: A hermetic cell excellent in weld strength is provided. The hermetic cell includes an can having an opening and a seal for sealing the opening of the can. A portion of engagement of the seal with the opening of the can is welded with a high energy beam, thereby hermetically sealing the can. At least one portion of a melt mark resulting from the high energy beam welding has a top surface having a lowermost point lower in a direction of a bottom of the can than a lowermost point of a top surface of an adjacent portion of the melt mark. The at least one portion of the melt mark has a bottom surface having a lowermost point lower in the direction of the bottom of the can than an lowermost point of a bottom surface of the adjacent portion of the melt mark.

Abstract: The present invention provides a stack-type lithium-ion polymer battery wherein: the battery capacity is not being degraded; the generation of the wrinkles and fracture of the separator is being suppressed; the battery has gas releasing paths; the displacement of an electrode stack hardly occurs; and the workability at the time of placing the electrode stack in a package body is improved by fixing the electrode stack. A stack-type lithium-ion polymer battery of the present invention comprises: a cathode 13; an anode 14; a separator 15; and a gel electrolyte; wherein an electrode stack 23 in which the cathode 13 and the anode 14 are stacked through the separator 15 is enclosed and fixed by insulating porous sheets 21 and 24, and is packaged with a laminate material.

Abstract: Disclosed herein is a secondary battery pack including a battery cell having a first electrode terminal, a second electrode terminal and a pair of coupling grooves formed at the top of a battery case, a protection circuit module (PCM) including a protection circuit board (PCB), connection members A and B connected to the first electrode terminal and the second electrode terminal, respectively, and a safety element, and an electrically insulated top cap having through holes communicating with the respective coupling grooves.

Abstract: A flexible battery and a method to form the flexible battery include forming an anode by embedding an anode type electro-active material within a mesh material and associating an anode current collector with the anode. Similarly a cathode is formed by embedding a cathode type electro-active material within a mesh material and a cathode current collector is associated with the cathode. An electrolyte is located between the anode and cathode, and the arrangement is sealed.

Abstract: The present invention provides an electrochemical cell comprising an anodic current collector in contact with an anode. A cathodic current collector is in contact with a cathode. A solid electrolyte thin-film separates the anode and the cathode.

Abstract: An energy storage device and a method of manufacturing the same are disclosed. The energy storage device includes a circuit board, a conductive cover disposed above the circuit board, a sealing structure, a metal coating layer, and an electrochemical cell. The sealing structure is disposed between the circuit board and the circumference of the conductive cover such that the circuit board, the conductive cover, and the sealing structure together form a sealed space where the electrochemical cell is disposed. The metal coating layer continuously covers a part of the conductive cover, an exposed portion of the sealing structure, and a part of the circuit board. Therefore, even if the energy storage device needs to be heated during a product assembly, the metal coating layer can keep the sealing structure structurally stable, and the electrolyte of the electrochemical cell will not leak; the whole energy storage device therefore can keeps undamaged.

Abstract: Disclosed are a packaging for an electrochemical device such as a battery, and an electrochemical device using the packaging; the packaging being usable even under a severe condition such as a high temperature or a low temperature. The electrochemical device is produced by hermetically housing electrochemical device element 31 inside packaging 33 by using a laminate with a metal layer and a thermo-compression bondable polyimide layer so that a hermetically packed structure is formed by fusing the thermo-compression bondable polyimide layer at a periphery of the laminate.

Abstract: Provided is a laminated type energy device which can enhance the sealing ability and the adhesibility between the layered structure and the sealing body which houses the layered structure, and the degree of space-saving, and uses the sealing means with sufficient productivity and reliability. The laminated type energy device includes: at least two layers of layered structure 80 in which a positive electrode and a negative electrode are alternately laminated so that positive and negative extraction electrodes 32a and 32b are exposed, inserting a separator 30 in which an electrolysis solution and ion pass therethrough between positive and negative active material electrodes 10 and 12; laminate sheets 40a and 40b overlaid from front and back surfaces of the layered structure 80 to compressively seal the layered structure 80; and contact holes 20a and 20b for use in spot bonding of the laminated type energy device to a module substrate 100.

Abstract: An electrolyte for a lithium rechargeable battery, a lithium rechargeable battery including the same, and a method of manufacturing lithium rechargeable battery, the electrolyte including a first additive, a second additive, a lithium salt; and a non-aqueous organic solvent.

Abstract: A lithium rechargeable battery, an electrolyte for a lithium rechargeable battery, and a method of manufacturing a lithium rechargeable battery, the battery including an electrode assembly; a case accommodating the electrode assembly; and an electrolyte in the case, wherein the electrolyte includes a lithium salt; a non-aqueous organic solvent, the non-aqueous organic solvent including about 50 wt % or more of an ester-based solvent; lithium difluoro(oxalato)borate; and a first additive, the first additive including at least one selected from tris(trialkylsilyl)phosphate, tris(trialkylsilyl)phosphite, and tris(trialkylsilyl)borate.

Abstract: The disclosed embodiments provide a power source for use with a portable electronic device. The power source includes a battery cell sealed in a pouch along a terrace seal to form a sealed battery cell. The battery cell includes a cathode with an active coating, a separator, and an anode with an active coating. The power source also includes a rigid casing molded around a set of non-active components which include the terrace seal.

Abstract: A rechargeable battery and associated methods, the rechargeable battery including an anode, a cathode, wherein the cathode includes a ternary cathode-active material, a separator interposed between the cathode and the anode, an electrolyte, and a housing enclosing the electrolyte, the anode, and the cathode, wherein the electrolyte includes a lithium salt, a non-aqueous organic solvent, about 0.5 weight % to about 5 weight % of succinonitrile, and at least one of about 1 weight % to about 10 weight % of halogenated ethylene carbonate and about 1 weight % to about 5 weight % of vinyl ethylene carbonate.

Abstract: Provided are a lithium polymer battery and a method of manufacturing the lithium polymer battery.

Abstract: A method for producing a solid electrolyte battery that makes it possible to prevent foreign substance attachment to an electrode unit and press the electrode unit uniformly. A method for producing a solid electrolyte battery in which an outer case houses at least one electrode cell that has an electrode unit comprising at least a positive electrode layer, a solid electrolyte layer and a negative electrode layer stacked in this order, the method including the steps of: inserting the electrode cell in the outer case before pressing the electrode cell in a stacking direction in the electrode unit, and pressing the electrode cell from the outside of the outer case in the stacking direction in the electrode unit.

Abstract: A stack type battery has a stacked electrode assembly (10) having a plurality of positive electrode plates having respective positive electrode current collector leads (11) protruding therefrom, a plurality of negative electrode plates (2) having respective negative electrode current collector leads protruding therefrom, and separators (3a) interposed between the positive electrode plates (1) and the negative electrode plates (2). The stacked positive electrode current collector leads (11) and the stacked negative electrode current collector leads are bundled at one stacking direction-wise side of the stacked electrode assembly (10), and a portion of the bundled leads is bent toward the other stacking direction-wise side. The positive electrode current collector leads (11) or the negative electrode current collector leads are provided with a fastening tape (46) for retaining a portion of the bundled leads in a folded shape so as to be pulled toward the positive and negative electrode plates (1, 2).

Abstract: A method of forming an energy storage device includes forming a fill hole in a wall of the energy storage device. The method also includes deforming the wall of the energy storage device to reduce a width of the fill hole. Moreover, the method includes sealing the fill hole.

Abstract: An electric storage device is provided having a structure that can reliably produce the sealing effect between a case and a sealing member. The electric storage device of the present invention includes an electrode assembly; a case that includes a defining wall and houses the electrode assembly; a sealing member that is arranged on the defining wall; and a conductive member that is electrically connected to the electrode assembly, the conductive member being supported by the sealing member, wherein at least a portion of the defining wall where the sealing member is arranged is made of an aluminum-based metallic material; and the sealing member is made of a material that is softer than the material for the at least a portion of the defining wall where the sealing member is arranged.

Abstract: A lithium secondary battery having reduced swelling tendency includes an electrolytic solution. The electrolytic solution includes a lithium salt, a cyclic carbonate, a linear asymmetric carbonate, a third carbonate, a sultone and a phosphazene compound.