Abstract: A battery system includes an electrochemical cell. The electrochemical cell includes a cover having an opening. The electrochemical cell also includes an aluminum terminal pad disposed proximate an outer surface of the cover. The pad opening includes a tapered surface such that the pad opening has a larger cross-sectional width proximate an upper surface of the aluminum terminal pad than proximate a lower surface of the aluminum terminal pad opposite the upper surface and facing the outer surface of the cover. The electrochemical cell also includes a rivet having a body portion extending through the opening in the cover, a head portion disposed in the pad opening of the aluminum terminal pad, and a shoulder extending between the body portion and the head portion. The head portion includes an inverted cone shape corresponding with the tapered surface of the pad opening.

Abstract: To improve the adhesion between an electrode material mixture and a solid electrolyte, and thereby suppress electrodeposition of lithium. This electrode includes a planar electrode current collector including a metal porous body, an electrode material mixture layer that fills pores of the metal porous body, and a solid electrolyte layer that fills pores of the metal porous body. The electrode material mixture layer is formed on one side of the electrode current collector, and the solid electrolyte layer is formed on the other side of the electrode current collector. The electrode material mixture layer and the solid electrolyte layer are stacked in a planar shape in the pores of the metal porous body.

Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells, a module case accommodating the plurality of battery cells therein, a busbar frame assembly slidably inserted into the module case to support the plurality of battery cells, the busbar frame assembly including a plurality of busbars electrically connected to electrode leads of the plurality of battery cells, and a fuse unit connected to at least one pair of busbars of the plurality of busbars, the fuse unit being provided between the at least one pair of busbars.

Abstract: A method for the manufacturing of battery packs includes vertically stacking a plurality of battery cells to create a stack of battery cells, applying a compressive force on the stack of battery cells using a plurality of pneumatic cylinders, inserting a first portion of the compressed stack of battery cells into a container prior to releasing any of the plurality of pneumatic cylinders, engaging each of the battery cells of the plurality of battery cells with an end cap of the container, wherein the end cap is configured to maintain a predetermined arrangement of the plurality of battery cells, and releasing the first portion of the stack of battery cells from a first portion of the plurality of pneumatic cylinders while a second portion of the stack of battery cells remains compressed a second portion of the plurality of pneumatic cylinders.

Abstract: Provided are a battery pack configured to be easily charged even at a subzero temperature and an electronic device including the battery pack. The battery pack includes: a housing which includes a first surface including an opening and forms an exterior of the battery pack; a battery unit which is accommodated in the housing; and a heat transfer portion which is arranged on the first surface of the housing and is at least partially exposed to outside of the housing through the opening, the heat transfer portion increasing an inside temperature of the housing by receiving heat from the outside.

Abstract: A traction battery assembly according to an exemplary aspect of the present disclosure includes a lower tier of battery arrays, an upper tier of battery arrays, and a support structure disposed between the lower tier and the upper tier. The lower tier is suspended from a downwardly facing side of the support structure. The upper tier is disposed atop an upwardly facing side of the support structure.

Abstract: The present disclosure provides a joining technique capable of improving strength and reducing electrical resistance of a connecting portion that performs heterometal interjunction in a sealed battery. A mode of the sealed battery disclosed herein includes an electrode body, a battery case, a positive electrode internal terminal, a positive electrode external terminal, a negative electrode internal terminal, and a negative electrode external terminal. In the sealed battery, in a connecting portion between the negative electrode internal terminal and the negative electrode external terminal, an upper end of the negative electrode internal terminal and the negative electrode external terminal are stacked with a plated layer interposed therebetween and, at the same time, the negative electrode internal terminal and the negative electrode external terminal are joined to each other via the plated layer.

Abstract: A cell module includes a plurality of battery cells each having a safety valve at a first end in a height direction, a first current collector plate including a main body having a through hole that at least partly overlaps the safety valve when viewed along the height direction and a lead extending into the through hole from the main body and being electrically connected to a first terminal of each of the battery cells, an exhaust duct disposed over a surface of the first current collector plate remote from the battery cells, and an insulating film being made of an insulating material and covering an area of the first current collector plate facing the exhaust duct. The safety valve opens when an internal pressure of any of the battery cells reaches or exceeds a predetermined level.

Abstract: A secondary battery includes a protection module package including a tab bridge, an input/output terminal, and an insulating body that includes a middle block and side block, the middle block having the input/output terminal therein, the side block being spaced apart from the middle block, and the tab bridge connecting the middle block to the side block; and a bare cell including an electrode that is electrically connected to the tab bridge.

Abstract: The provided articles and methods use a non-woven fibrous web containing 60-100 wt % of oxidized polyacrylonitrile fibers; and 0-40 wt % of reinforcing fibers having outer surfaces comprised of a polymer with a melting temperature of from 100° C. to 300° C. The non-woven fibrous web has an average bulk density of from 15 kg/m3 to 50 kg/m3, with the plurality of fibers substantially entangled along directions perpendicular to a major surface of the non-woven fibrous web. Optionally, the oxidized polyacrylonitrile fibers can have a crimped configuration. Advantageously, these articles can display a combination of low thermal conductivity, high tensile strength, and flame resistance.

Abstract: A power storage device includes a power storage module, a pair of current collector plates configured to be stacked to interpose the power storage module in a first direction that is vertical, a pair of insulating plates configured to be stacked to interpose the power storage module and the pair of current collector plates in the first direction; and a pair of restraint plates configured to be stacked to interpose the power storage module, the pair of current collector plates, and the pair of insulating plates in the first direction. The power storage module is configured to include an accommodation space that accommodates an electrolytic solution together with a power generation element. A pressure adjustment valve communicating with the accommodation space is provided on a side surface of the power storage module.

Abstract: The present application provides a battery pack. The battery pack comprises a case, a cavity structure being provided in the bottom of the case; and a plurality of battery cells, the plurality of battery cells being stacked at the bottom of the case, and an end surface, facing the bottom of the case, of each of the battery cells being provided with an explosion-proof valve, wherein a structural layer, facing the explosion-proof valve, of the bottom of the case is provided with a weak area, and gas in the battery cell during thermal runaway of any battery cell may be collected via the weak area into the cavity structure and then is discharged.

Abstract: A battery pack includes a battery array and an enclosure assembly housing the battery array. The enclosure assembly includes a tray, a cover, and a mid-tray. A plurality of internal components are secured within the mid-tray to establish an electrical subassembly within the enclosure assembly.

Abstract: A method is performed to produce a film-covered battery in which electrode tabs extend out from joining surfaces on a first side of lamination films, in which a seal line is formed along the first side and traversing the electrode tabs. Pressure and/or heat is applied only to tab regions of the seal line using tab-region heat blocks, and then pressure and/or heat is applied only to non-tab regions using non-tab-region heat blocks.

Abstract: A laminate-type power storage element is configured of an exterior body that is formed in a flat bag shape by welding a first laminated film and a second laminated film by thermocompression bonding, and an electrode body that is sealed inside the exterior body, the electrode body having a sheet-shaped positive electrode and a sheet-shaped negative electrode. The first laminated film and the second laminated film respectively includes a first resin layer that has a property of transmitting a laser beam, a metal foil that is layered to the first resin layer, and a second resin layer is layered to the metal foil and has a thermal weldability.

Abstract: Various arrangements of increasing an amount of contact between an electrolyte and active materials of a battery cell are presented herein. A battery cell may be inserted within a housing such that the battery cell is submersed in liquid. The housing may be sealed, then pressure and heat may be applied to the liquid. The battery cell may then be removed from the housing and used as part of a sealed battery module.

Abstract: A battery pack is disclosed. In one aspect, the battery pack includes an electrode assembly and a case accommodating the electrode assembly, wherein the case includes first and second walls opposing each other and respectively concavely and convexly shaped with respect to the electrode assembly. The battery pack also includes an uneven portion formed on the first wall.

Abstract: A battery pack includes a case including a first main wall, a second main wall facing the first main wall, and an uneven portion formed in at least one of the first main wall and the second main wall; and an electrode assembly received in an internal space of the case. The uneven portion may include a plurality of first uneven portions formed in a central portion of the first main wall, and a plurality of second uneven portions formed in a central portion of the second main wall.

Abstract: A vehicle battery mounting structure is provided for mounting a battery on a vehicle. The vehicle battery mounting structure has a sling is used which is mounted to move a battery and which is removed after the battery is moved to a position for assembly onto the vehicle body. In this structure for mounting a battery on a vehicle, the battery includes a gas discharge hose as an attached component which is assembled onto the vehicle body after the battery is mounted. The sling is provided with a hose holding opening for holding the gas discharge hose. The hose holding opening includes a hose opening for removing the gas discharge hose being held, the hose opening being set on the worker side.

Abstract: A power storage device is reduced in weight. A metal sheet serving as a negative electrode current collector is separated and another negative electrode current collector is formed. For example, through the step of forming silicon serving as a negative electrode active material layer over a titanium sheet and then performing heating, the titanium sheet can be separated. Then, another negative electrode current collector with a thickness of more than or equal to 10 nm and less than or equal to 1 ?m is formed. Thus, light weight of the power storage device can be achieved.

Abstract: A packaging material for a lithium ion battery includes: a base material layer that is formed from a film obtained by biaxially stretching a multi-layered coextruded film including a first thermoplastic resin layer having rigidity and chemical resistance and being disposed at an outer side thereof, a second thermoplastic resin layer having a capability of propagating stress and adhesiveness, and a third thermoplastic resin layer having toughness; a metal foil layer that is laminated on one surface of the base material layer; an anti-corrosion-treated layer that is laminated on the metal foil layer; an inner adhesive layer that is laminated on the anti-corrosion-treated layer; and a sealant layer that is laminated on the inner adhesive layer.

Abstract: A battery system includes a secondary battery and a bypass circuit provided with a semiconductor switch element, and the secondary battery and the bypass circuit are connected parallely. In this battery system, the semiconductor switch element is attached so as to radiate heat to a surface of a battery outer case of the secondary battery or to a bus bar.

Abstract: The molding packaging material 1 according to the present invention includes a heat resistant resin layer 2 as an outer layer, a thermoplastic resin layer 3 as an inner layer, a metal foil layer 4 arranged between the heat resistant resin layer and the thermoplastic resin layer, and a black ink layer 10 arranged between the metal foil layer 4 and the heat resistant resin layer 2. The black ink layer 10 contains carbon black, diamine, polyol, and hardening agent. The black ink layer does not partially crack and detach even when the molding packaging material according to the present invention is used in a somewhat harsh environment such as a hot and humid environment and/or at the time of molding or sealing.

Abstract: A battery includes: an electrode stacked body; a battery case that accommodates the electrode stacked body; positive and negative electrode terminals that are provided so as to communicate inside and outside of the battery case with each other; a lead that electrically connects tabs of the electrode stacked body to the electrode terminals; and an insulated lead insulating cover in which a space is formed so that the lead enters and a terminal through-hole is formed so that one end of the electrode terminal enters the space therethrough. An insulated lead insulating cover includes a first cover component and a second cover component that cooperatively form the space and the terminal through-hole with each other, and the first cover component and the second cover component respectively include engagement portions engaging removable with each other.

Abstract: A secondary battery includes an electrode assembly including a pair of electrodes separated from each other by a separator, a battery case including a front portion bonded to a back portion to produce wing portions at opposite edges of the battery case, the electrode assembly being arranged within an accommodating portion of the battery case, the accommodating portion being arranged between the wing portions, an insulating member arranged at each of said wing portions of the battery case and a bonding portion arranged at each of said wing portions to attach said wing portions to the accommodating portion of the battery case. The bonding portion may be a double sided tape and may be integrally provided with the insulating member to simplify manufacturing process thereof.

Abstract: Disclosed herein is a secondary battery pack including a battery cell having an electrode assembly mounted in a battery case together with an electrolyte, the battery case having an open top sealed by a top cap, a protection circuit module having a protection circuit for controlling overcharge, overdischarge, and overcurrent of the battery cell, an insulative mounting member constructed in a structure in which the protection circuit module is loaded at a top of the insulative mounting member, the insulative mounting member being mounted to the top cap of the battery cell, and an insulative cap coupled to an upper end of the battery cell for covering the insulative mounting member in a state in which the protection circuit module is loaded on the insulative mounting member, wherein the top cap is provided with a pair of protrusion-type electrode terminals (a first protrusion-type electrode terminal and a second protrusion-type electrode terminal) connected to a cathode and an anode of the electrode assembly, r

Abstract: An improved battery construction for increasing the life of a storage battery is disclosed, the storage battery including a lid addition integral with the battery case or jar which condenses escaping dielectric fluid and causes the condensed liquid to return to the main supply of dielectric fluid.

Abstract: A battery pack including a plurality of battery cells and having improved battery lifetime. The battery pack includes a holder case defining a plurality of cell spaces; and a plurality of battery cells are accommodated in a pattern in a portion of the plurality of cell spaces, wherein some of the plurality of cell spaces are empty.

Abstract: A battery pack that includes a battery cell having a positive and negative electrode terminal extending from a side of the battery cell. The positive and negative electrode terminal each have a non-exposed surface and an exposed surface. The battery pack also includes a case that includes a first case and a second case. The first case includes a first terminal guide unit to accommodate the positive electrode terminal with the non-exposed surface of the positive electrode terminal facing the first terminal guide. The second case includes a second terminal guide unit that accommodates the negative electrode terminal. The non-exposed surface of the negative electrode terminal faces the second terminal guide. The first case and the second case are coupled together with the battery cell positioned between the first case and the second case.

Abstract: Provided is a secondary battery in which an insertion hole where an electrode terminal is insertable is defined in a center of a bottom case disposed under a can to connect batteries to each other in series.

Abstract: A battery spacer is provided. The battery spacer (2) comprises a first spacing plate (22) and a second spacing plate (22?) aligned with and spaced from each other in a longitudinal direction and a plurality of beams (211) parallel to and spaced from each other in a transverse direction. Each beam (211) is connected between the first and second spacing plates (22, 22) in the longitudinal direction and protrudes outwardly from a plane formed by back surfaces of the first and second spacing plates (22, 22). The beams (211) are configured to securely receive at least tabs of cell cores between neighboring beams (211). A battery protecting device and a power battery are provided as well.

Abstract: Disclosed herein is a secondary battery pack including a battery cell, a protection circuit module (PCM) assembly having a connection member (A), an insulative mounting member having a connection member (B) embedded therein, and an insulative cap. The connection member (B) is coupled to a second electrode terminal of the battery cell by welding, such that the connection member (B) is electrically connected to the second electrode terminal of the battery cell, in a state in which the insulative mounting member is mounted on the battery cell. The connection member (A) is coupled to a first electrode terminal of the battery cell upward from a PCM, such that the connection member (A) is electrically connected to the first electrode terminal of the battery cell. The electrical connection between the PCM assembly and the connection member (B) is achieved in a physical contact fashion.

Abstract: According to the present invention, a lithium ion battery outer cover material that has superior resistance to electrolytes without chromate treatment, has superior deep drawing formability and high quality, and can be produced easily is provided. The lithium ion battery outer cover material (1) of a first embodiment of the present invention has a base material layer (11), first adhesive layer (12) containing an adhesive, aluminum foil layer (13), corrosion prevention treated layer (14), second adhesive layer (15) containing an adhesive or adhesive resin, and sealant layer (16) laminated in that order. The base material layer (11) is a film base material in which the difference (?2??1) of the elasticity (?1) to the yield point and the elasticity (?2) to the rupture point as measured according to JIS-K7127 is 100% or greater in at least one of the MD direction and TD direction.

Abstract: A package for a battery cell is disclosed. The package includes a first sheet having a coating layer disposed thereon, a second sheet having a coating layer disposed thereon, the first sheet and the second sheet cooperating to form a cavity to receive the battery cell therein, and a frame disposed adjacent a portion of at least one of the first sheet and the second sheet, wherein the frame is coupled to at least one of the first sheet and the second sheet.

Abstract: A battery housing (10) for receiving a battery and a method of installing a battery, where the battery housing has four plate-shaped side panels (11a-11d) and two cover plates (12a, 12b), which may be connected with one another to form a box-shaped housing, whereby at least two opposite side panels (11a, 11c) each have at least one elongated recess (13a, 13c) inside, into which a functional battery plate (30) may be inserted, and the side panels (11a-11d) are connected with one another, such that they hold the whole battery without installed cover plates (12a, 12b).

Abstract: A pouch type lithium secondary battery includes a pouch bare cell having an electrode assembly and a pouch exterior for storing the electrode assembly and a sleeve member winding around the pouch bare cell. A method of fabricating a pouch type lithium secondary battery includes forming a pouch bare cell by storing an electrode assembly in a pouch exterior and wrapping the pouch bare cell with a sleeve member.

Abstract: An electric storage device is provided with an electrode assembly including a positive electrode plate and a negative electrode plate; a case for housing the electrode assembly; a positive-electrode external terminal arranged on an outer surface of the case and electrically connected to the positive electrode plate; a negative-electrode external terminal arranged on an outer surface of the case and electrically connected to the negative electrode plate; and a gas exhaust valve formed in a region of the case on the opposite side of a region where the positive-electrode external terminal and the negative-electrode external terminal are arranged.

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 lead acid storage battery composed of plates, the lead acid storage battery being obtained by packing an active material into a grid plate provided with a frame section having a quadrangular profile shape, and lateral grid strands and longitudinal grid strands that form a grid inside the frame section. The lateral grid strands are composed of thick lateral strands having a thickness equal to the thickness of the frame section, and thin lateral strands of smaller width and thickness than the thick strands, the longitudinal grid strands being composed of thick longitudinal strands that have a thickness that is less than thickness of the frame section, one end in the thickness direction being arranged in the same plane as one end of the frame section in the thickness direction, and thin longitudinal strands of smaller width and thickness than the thick longitudinal strands.

Abstract: A secondary battery including a can for accommodating an electrode assembly, the can having an opening at one side thereof; a cap assembly for sealing the opening of the can; an insulation case between the electrode assembly and the cap assembly, the insulation case being disposed in an upper portion of the can; and an insertion guide protruding from an outer surface of the insulation case, and having a lower portion facing the can, the lower portion being inclined at a predetermined angle relative to the outer surface the insulation case.

Abstract: An external packaging material for covering a battery device is provided. The packaging material includes a laminated film having a laminated structure having two or more resin film layers stacked. In the external packaging material, the laminated structure has no metallic foil, and at least one layer in the resin film layers contains a moisture absorbing material.

Abstract: A secondary battery includes an electrode assembly for generating electricity, a can for accommodating the electrode assembly, and a cap assembly. The can has an open top and the cap assembly seals the open top. The electrode assembly has a plurality of electrode tabs through which electricity is supplied. The cap assembly includes an insulating case that has a plurality of tab drawing grooves. Each of the tab drawing grooves is capable of being occupied by one of the electrode tabs. A number of the tab drawing grooves is greater than a number of the electrode tabs. One of the electrode tabs can be drawn through one of the tab drawing grooves. Other tab drawing grooves are left as spare grooves, and therefore it is not necessary to change the shape of the insulating case even though the structure of the secondary battery is changed.

Abstract: Disclosed is a battery module which comprises a cell unit that comprises cells, and a case that contains the cell unit. The case comprises: a first member which has a first guide portion, and a second member which has a second guide portion that is fitted into the first guide portion by being slid on the first guide portion.

Abstract: A battery may have a foil battery pack with leads that are coupled to a printed circuit board. Battery protection structures formed from an insulating material such as plastic may be used to protect the foil battery pack. The foil battery pack may have a rectangular shape with front and rear faces surrounded by a rectangular peripheral edge. The battery protection structures may have a ring shape that surrounds the peripheral edge while leaving the front and rear faces exposed to minimize the size of the battery protection structures. An elastomeric material may be used to form the battery protection structures. The elastomeric material may allow the battery protection structures to stretch when the battery pack expands during use. Two shots of plastic may be incorporated into the battery protection structures to provide both puncture resistance and the ability to stretch during use.

Abstract: A battery pack and method of manufacturing the same, the battery pack including a battery, and a plurality of metal cases surrounding the battery, wherein the plurality of metal cases includes a first metal case and a second metal case and the first and second metal cases are welded to each other.

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 pouch-type lithium secondary battery including: an electrode assembly; and a case to house the electrode assembly, including first and second case portions. The first case portion includes a receiving part to receive the electrode assembly, and a wing part extending from the receiving part. The second case portion includes an outer part that is sealed to the wing part, and an extension part that extends from the outer part and is folded toward the wing part.

Abstract: A secondary battery and a method of manufacturing the same, the secondary battery including a bare cell for charging and discharging electricity; a protective circuit module for protecting the bare cell; an upper case, the upper case being coupled to the protective circuit module and disposed at an upper part of the bare cell; a protective film surrounding an external surface of the bare cell; and a resin molding unit disposed in the protective film, in the upper case, and in a lower part and on a bottom surface of the bare cell.

Abstract: Disclosed is a secondary battery that comprises an electrode assembly, a can accommodating the electrode assembly, and a cap assembly coupled to an upper portion of the can and including an upper cap that transfers a current of the electrode assembly to an exterior of the can. The upper cap includes a terminal part including a first flat portion disposed at a center of the upper cap and a second flat portion extending from a periphery of the first flat portion, a peripheral part disposed at a periphery of the terminal part and stepped from the terminal part, and a connection part connecting the terminal part to the peripheral part.

Abstract: A battery casing assembly for a vehicle includes a battery housing accommodating a battery therein; at least one cover having a size corresponding to a side surface of the battery housing so as to cover the side surface; and at least one guide formed along one or more edges of the battery housing to allow the cover to be fitted therein. With the structure, the battery casing assembly can prevent the heat emitted from the engine of the vehicle being transferred to the battery.