Secondary battery and manufacturing method thereof

There are a secondary battery having a pouch-type outer casing and a manufacturing method thereof. In one embodiment, a secondary battery includes an electrode assembly and an outer casing. The electrode assembly has positive and negative electrode plates, a separator interposed therebetween, and positive and negative electrode tabs having one ends respectively connected to the positive and negative electrode plates. The outer casing accommodates the electrode assembly so that the other ends of the positive and negative electrode tabs are extracted from a first side to the exterior thereof. The outer casing has a sealing portion sealed at least twice. The sealing portion is primarily sealed to be fractured under a predetermined internal pressure of the outer casing. After the aging of a battery, the sealing portion is fractured under the predetermined internal pressure, thereby exhausting internal gas. After the exhaustion of the internal gas, the sealing portion is secondarily sealed.

BATTERY SYSTEM AND VEHICLE INCLUDING THE BATTERY SYSTEM

The present disclosure refers to a battery system (10) for an electric vehicle, comprising a plurality of battery cells (12) and a battery housing (30) enclosing the plurality of battery cells (12), wherein the battery cells (12) are interconnected with one another via electrical connecting means (18, 19) contacting electrode terminals (16) of the battery cells (12), characterized by an electrically and thermally insulating cover element (20) covering the electrode terminals (16) and the connecting means (18, 19) so that the electrode terminals (16) and connecting means (18, 19) are shielded from venting products exiting one or more of the battery cells (12) towards the battery housing (30) in case of a thermal runaway.

BATTERY ASSEMBLIES, COMPONENTS THEREOF, AND METHODS OF MANUFACTURE

Battery cells, battery cell units, battery modules, and battery assemblies are described. The cells of such components include a prismatic shaped cell housing including a slanted wall. Substantially planar positive and negative electrodes are arranged within the housing. The slanted wall defines a pocket within the housing between edges of the electrodes and an interior surface of the slanted wall and the pocket is configured to collect gas generated within the housing. A vent is formed on the slanted wall of the housing proximate the pocket. The vent is initially in a closed state and configured to open upon an increase in pressure within the housing to allow pressure and/or gases to leave the cell cavity through the vent. The battery cell units, battery modules, and battery assemblies may include such cells.

Lead storage battery

This lead storage battery (100) is provided with a lid (14). The lid (14) has formed therein an external flow passage (530) that is connected with a connection chamber (520) via a ventilation hole (321) and that also is connected with a discharge port (405) in the lid (14). Formed inside the external flow passage (530) are partitioning walls (452, 454) that continuously extend along the entire width of the external flow passage (530). The remaining volume obtained by subtracting, from the total volume of the plurality of external spaces (460, 462, 464) partitioned by the partitioning walls (452, 454), the volume of a discharge-side external space (464) positioned nearest to the discharge port among the plurality of external spaces, is greater than the volume of the connection chamber (520).

Car battery system

The car battery system of the present invention is provided with a battery block 2 that retains a plurality of battery cells 1 in a stacked configuration and has a terminal plane 2A, which is coincident with terminal surfaces 1A established by positive and negative battery cell 1 electrode terminals 13; and with a battery state detection circuit 30 that connects with the electrode terminals 13 of each battery cell 1. The battery system is provided with a circuit board 7 with surface-mounted electronic components 40 that implement the battery state detection circuit 30. The circuit board 7 is a single-sided board with electronic components 40 mounted on only one side, and the circuit board 7 is attached to the battery block 2 opposite the terminal plane 2A with the side having no electronic components 40 facing the battery block 2. The positive and negative electrode terminals 13 of each battery cell 1 are connected with the circuit board 7 for connection to the battery state detection circuit ...

BATTERY PACK AND AIRCRAFT

In a battery pack, a housing includes an exhaust portion provided on an upper side in a gravity direction with respect to a housing portion that houses a live part. The exhaust portion includes: a storage portion configured to store a liquid; a first communication portion that communicates between an interior of the housing portion and an interior of the exhaust portion; and a second communication portion that communicates between an outside of a housing and an inside of the exhaust portion. When the battery pack is viewed from the upper side in the gravity direction, an opening of the second communication portion on an inner side of the exhaust portion is provided at a position that overlaps the storage portion and that does not overlap an opening of the first communication portion on the inner side of the exhaust portion. 1. A battery pack comprising:a housing; anda live electrical part housed in the housing,whereinthe housing includes:a housing portion in which the live electrical part is housed; andan exhaust portion provided on an upper side in a gravity direction with respect to the housing portion in a state where the battery pack is placed,whereinthe exhaust portion includes:a storage portion configured to store a liquid;a first communication portion that communicates between an interior of the housing portion and an interior of the exhaust portion; anda second communication portion that communicates between an outside of the housing and an inside of the exhaust portion, andwhereinwhen the battery pack is viewed from the upper side in the gravity direction, an opening of the second communication portion on an inner side of the exhaust portion is provided at a position that overlaps the storage portion and that does not overlap an opening of the first communication portion on the inner side of the exhaust portion.2. The battery pack according to claim 1 , whereinthe opening of the second communication portion on the inner side of the exhaust portion is ...

Baugruppe für eine Traktionsbatterie mit Schutzeinheit, Traktionsbatterie sowie Kraftfahrzeug

Die Erfindung betrifft eine Baugruppe (1) für eine Traktionsbatterie eines Kraftfahrzeugs aufweisend- zumindest ein Batteriemodul (2) mit einem Zellverbund (3) aus einer Vielzahl von Batteriezellen (4), wobei sich an einer Oberseite (9) des Zellverbunds (3) Entgasungsbereiche (10) der Batteriezellen (4) zum Auslassen eines Heißgases (11) aus einem Zellgehäuse der Batteriezellen (4) befinden,- zumindest eine Batteriekomponente (5), welche in einer Hochrichtung (H) über dem zumindest einen Batteriemodul (2) angeordnet ist, sodass die Oberseite (9) des Zellverbunds (3) einer Unterseite (12) der zumindest einen Batteriekomponente (5) zugewandt ist, und- eine Schutzeinheit (14) aufweisend einen blechförmigen Schutzbereich (15) zum Schutz der zumindest einen Batteriekomponente (5) vor dem Heißgas (11) des zumindest einen Batteriemoduls (2) und einen mit dem Schutzbereich (15) verbundenen, rahmenartigen Tragbereich (18), wobei die zumindest eine Batteriekomponente (5) an dem Tragbereich (18) befestigt ...

BATTERY MODULE PRINTED CIRCUIT BOARD ASSEMBLY SYSTEM AND METHOD

A battery module includes a housing, a plurality of battery cells disposed in the housing, and a printed circuit board (PCB) assembly disposed in the housing. The PCB assembly includes a PCB and a shunt disposed across a first surface of the PCB. A second surface of the shunt directly contacts the first surface of the PCB, and the shunt is electrically coupled between the battery cells and a terminal of the battery module.

Duct holding structure for battery assembly body

A duct holding structure includes insulating resin busbar modules (11a, 11b) which are attached to a battery assembly body (2) in which plural batteries (1) are arranged and connected to each other in series, and hold busbars (9) each of which connects electrodes of adjoining ones of the batteries (1); and an insulating resin duct (3) which is attached to the battery assembly body (2) while covering gas vents that are formed through an electrode surface (6) from which the electrodes of the batteries (1) project. The duct (3) and the busbar modules (11a, 11b) are provided with lock mechanisms (23) which lock the busbar modules (11a, 11b) on the duct (3).

DIRECTIONAL VENTING COVER FOR A BATTERY SYSTEM

A battery system for an electric vehicle includes one or more battery modules that include one or more battery cells. Each of the battery cells include a plurality of vents on a first end and oriented in a first direction (e.g., an upward direction). The battery system also includes a touch cover arranged above the first end of the battery cells, wherein the touch cover includes a plurality of opening features configured to direct the gas to flow away from the plurality of battery cells, or away from sensitive components, to a predetermined direction that differs from the first direction. The plurality of opening features direct gas in a second direction different from the first direction. The opening features include louvres, arranged in strips or an array, or other suitable venting openings. The touch cover may be formed by pressing a sheet of material.

BATTERY PACK

A battery pack includes battery cell including the exhaust valve that opens when an internal pressure exceeds a set pressure and case housing battery cell. Case includes inner case housing battery cell and outer case incorporating inner case, inner case includes a plurality of inner smoke vent holes through which the exhaust gas ejected from the exhaust valve passes, and outer case includes a plurality of outer smoke vent holes through which the exhaust gas including passed through inner smoke vent holes passes. In a state where inner case is disposed in outer case, inner smoke vent holes and outer smoke vent holes are disposed at positions not facing each other, and inner smoke vent holes and outer smoke vent holes are opened at positions allowing the exhaust gas to pass in different directions.

Bladed fuse connectors for use in a vehicle battery module

A battery system having a bladed fuse connector and a method of operation of the bladed fuse connector are provided. The system may, in certain embodiments, include a printed circuit board (PCB) and a high current interconnect. The high current interconnect may be mounted to and extending upward from the PCB. The battery system may also include a fuse. The fuse may limit an amount of current flowing through the battery system. Additionally, the battery system may include a bladed fuse connector coupled between the high current interconnect and the fuse. The bladed fuse connector may carry a current between the high current interconnect and the fuse. To that end, the bladed fuse connector may include an S-shaped bend between the high current interconnect and the fuse.

System and method for venting pressurized gas from a battery module

Present embodiments are directed to a battery module including a venting assembly and a method of manufacturing the battery module. The venting assembly may, in certain embodiments, be designed to vent gases from a plurality of battery cells disposed in a housing of the battery module. Each of the plurality of battery cells may include a battery cell vent. The venting assembly may include a lid designed to be coupled to the housing and disposed over the battery cells in the housing. In some embodiments, the lid includes a vent chamber formed in the lid and designed to receive and direct gases vented from the plurality of battery cells away from the battery module.

BATTERY PACK

A battery pack includes: a plurality of battery cells arranged side by side along a first direction; a case provided with an inner space for accommodating the plurality of battery cells; and a sheet member provided in the case and having gas permeability. The sheet member is provided at a cooling plate that constitutes a bottom portion of the case or at a member integrated with the cooling plate.

BATTERY CELL, METHOD AND SYSTEM FOR MANUFACTURE SAME, BATTERY, AND POWER CONSUMING DEVICE

Provided are a battery cell, a method and system for manufacturing the battery cell, a battery, and a power consuming device. The battery cell according to this embodiment includes an electrode assembly, a housing, a pressure relief mechanism, and a cap assembly. The housing is provided with an accommodating space for accommodating the electrode assembly, and includes a first side plate on a side in a first direction; the pressure relief mechanism is arranged on the first side plate; and the cap assembly is configured to seal the housing; wherein an inner surface of the first side plate of the housing is provided with a first passageway extending along the inner surface, and the first passageway is configured to direct a gas in the accommodating space to the pressure relief mechanism, such that the pressure relief mechanism is actuated and relieves a pressure when the pressure reaches a threshold.

BATTERY PACK

A battery pack includes a lower plate on which one or more cell assemblies are seated, one or more support frames coupled to the lower plate, and one or more reinforcing members coupled to one side of the support frame to form a venting path. The reinforcing member is formed of a material different from a material of the support frame.

BATTERY AND MOTOR VEHICLE WITH BATTERY

A battery having a plurality of battery modules arranged in a battery housing. Each battery module comprises a battery cell, which is at least partially enclosed by a module housing of the respective battery module and has two connection poles on a top side of the module housing. To guide a gas flow emerging from the battery cell of at least one of the battery modules along a predetermined degassing path, the module housing of each battery module has a first degassing opening at an end face perpendicular to the top face of the module housing, and the battery housing has a second degassing opening. 1. A battery comprising:a plurality of battery modules arranged in a battery housing, wherein each battery module includes a battery cell, wherein the battery cell is at least partially enclosed by a module housing of the respective battery module and has two connection poles on a top side of the module housing, whereinto guide a gas flow emerging from the battery cell of at least one of the battery modules along a predetermined degassing path, the module housing of each battery module has a first degassing opening and the battery housing has a second degassing opening, whereinthe first degassing opening is positioned on an end face of the module housing of each battery module that is perpendicular to the top side of the module housing and is designed to discharge the gas flow from an interior limited by the module housing into a degassing channel of the battery housing, wherein the second degassing opening is designed to allow the gas flow to escape from the degassing channel into an environment of the battery adjoining the battery housing.2. The battery according to claim 1 , whereinthe degassing channel is at least partially enclosed by a channel wall, wherein the channel wall has a gap opening for connection to the module housing in a longitudinal direction of extent of the degassing channel, whereina gap width of the gap opening perpendicular to the direction of ...

FLAME QUENCHING CHAMBER FOR STATIONARY BATTERY

Illustrative examples of an apparatus may include a quenching chamber configured to direct a heat flow from a battery cell compartment to a vent. The quenching chamber may be configured to extinguish a flame present in the heat flow before the heat flow reaches the vent. In other examples, a method includes receiving a heat flow from a battery cell compartment comprising a plurality of battery cells at a quenching chamber. The method further comprises directing the thermal runaway heat flow through the quenching chamber to a vent.

BATTERY PACK

A battery pack includes a plurality of battery modules, a battery pack case engaged to hold the plurality of battery modules and structured to provide an accommodating space in which the plurality of battery modules are accommodated, wherein the battery pack case includes one or more reinforcing frames structured to partition the accommodating space into subspaces in which the plurality of battery modules are held, one or more protective covers respectively coupled to the one or more reinforcing frames to cover part of each battery module and part of each reinforcing frame, and one or more bus bars coupled to the one or more protective covers and structured to electrically connect the plurality of battery modules.

BATTERY CELL PRESSURE FIXTURE

A battery cell pressure fixture is provided that includes a fluid cavity for receiving a fluid pressure, an expandable bladder having a plurality of pillars with pillar inner chambers in communication with the fluid cavity, a plurality of battery cell mounts positioned adjacent the pillars, and a plurality of battery receptacles for receiving battery cells therein, the battery receptacles formed at least in part by the pillars and the battery cell mounts, wherein each battery receptacle provides a compressive force to a received battery cell positioned therein when fluid pressure is supplied to the fluid cavity.

BATTERY ASSEMBLY WITH REINFORCED SAFETY

Provided is a battery assembly in which safety is effectively improved by suppressing propagation of a thermal event. A battery assembly according to an aspect includes a plurality of battery cells and a venting unit located between adjacent battery cells of the plurality of battery cells, including a venting passage through, and configured to discharge venting gas discharged from the plurality of battery cells.

Lead-acid accumulator

This lead-acid accumulator (100) comprises a lid (14). The lid (14) has a communication chamber (520) formed therein. The communication chamber (520) comprises an internal flow path formation part (432, 522) that is in communication with an air vent (321) and forms an internal flow path (Q) that is positioned on the other side from the vent (321) in a first direction. At least some of the surface of the internal flow path formation part (432, 522) has a textured part (T).

SYSTEMS, METHODS, AND DEVICES FOR PRE-CHARGE CONTROL OF A BATTERY MODULE

BATTERY PACK, ELECTRIC WHEELCHAIR, AND VEHICLE

A battery pack according to an embodiment of the present disclosure includes: a plurality of battery cells, each configured to discharge an internal material to the outside by the internal pressure when the internal pressure increases over a predetermined pressure; a cell frame configured to accommodate the plurality of battery cells so that the internal material is discharged in at least one direction; one or more guide covers configured to cover at least one side of the plurality of battery cells, at least a portion of which is spaced apart from the cell frame by a predetermined distance to form a moving passage through which the internal material moves; and a pack housing having an accommodation space for accommodating the cell frame therein and a discharge portion configured such that a portion facing the distal end of the moving passage is perforated by the internal material.

Battery module housing and method of making the same

A battery module includes a housing configured to hold prismatic battery cells within a space defined by four interior walls of the housing. The housing includes a first interior wall that includes partitions extending upwards from a bottom of the housing and a second interior wall that includes partitions extending upwards from the bottom of the housing. The first interior wall faces opposite the second interior wall. The partitions disposed on the first interior wall and the partitions disposed on the second interior wall define slots between adjacent partitions, where each of the slots increases in width between the adjacent partitions from the bottom of the housing upwards. Each of the slots is configured to retain one of the prismatic battery cells.

BATTERY MODULE AND BATTERY PACK

Provided is a battery module including a case, a plurality of battery cells accommodated in the case, and a flame blocking member including a plurality of exhaust passages connecting an inside and an outside of the case together, and a partition wall part disposed between the plurality of exhaust passages.

BATTERY PACK WITH IMPROVED GAS VENTING PATH

A battery pack includes a plurality of battery modules, each including battery cells, a module housing accommodating the battery cells and a gas venting channel in communication with an inside of the module housing; and a pack case accommodating the plurality of battery modules, the pack case including a top plate to cover upper parts of the plurality of battery modules, the top plate having a venting port, wherein the gas venting channel of each battery module is in communication with the venting port.

BATTERY PACK EXHAUST DUCT AND BATTERY PACK

A battery pack exhaust duct includes a guide tube, an exhaust inlet, an exhaust outlet, and exhaust guide components. The exhaust guide components include first and second exhaust guide components. Each of the exhaust guide components has a first part and a second part. The first part has a first end that is nearer to the interior surface of the guide tube. The first part extends away from the interior surface, and toward the exhaust inlet. The second part has a first end that is nearer to the first part. The second part extends toward the interior surface. The second part has a second end that is apart from the interior surface. The second end of the second part of the first exhaust guide component and the second end of the second part of the second exhaust guide component are displaced along axis X along which the guide tube extends.

BATTERY MODULE LID SYSTEM AND METHOD

A system includes a lid disposed over battery cells in a battery module. The lid includes flexible fingers, and each of the flexible fingers aligns with a corresponding one of the battery cells. Each of the flexible fingers is configured to exert a downward force against the corresponding one of the battery cells, and the flexible fingers are configured to accommodate varying heights of the battery cells.

Energiespeicher für ein Kraftfahrzeug, insbesondere für einen Kraftwagen

Die Erfindung betrifft einen Energiespeicher (10) zum Speichern von elektrischer Energie für ein Kraftfahrzeug, mit einem einen Aufnahmeraum (16) begrenzenden Gehäuse (12), in dessen Aufnahmeraum (16) wenigstens ein Speicherelement (18) zum Speichern der elektrischen Energie angeordnet ist. Vorgesehen ist eine in dem Aufnahmeraum (16) angeordnete und zumindest einen Abführkanal (22) und wenigstens einen Filterkanal (24) begrenzende Filtereinrichtung (20), welche ein erstes Filterteil (26) mit wenigstens einer einenends in den Abführkanal (22) und andernends in den Filterkanal (24) mündenden, ersten Durchströmöffnung (32) und ein zweites Filterteil (28) aufweist, welches separat von dem ersten Filter (26) ausgebildet, mit dem ersten Filterteil (26) verbunden und unter Bildung des zwischen den Filterteilen (26, 28) verlaufenden und dadurch durch die Filterteile (26, 28) begrenzten Filterkanals (24) von dem ersten Filterteil (26) beabstandet ist.

Method and apparatus for assembling cells in a bettry pack to control thermal release

A battery pack includes one or more battery cells disposed in a barrier structure that forms a flow channel to direct venting material from a battery cell experiencing a fault condition out of the battery pack in a way that allows expansion of the vented gas before it exits the battery pack. Where two or more battery cells are included in the battery pack, the barrier structure electrically and thermally insulates them from each other so that in the event of a battery cell venting, it will not affect other battery cells and cause a thermal runaway condition.

BATTERY CASE, AND BATTERY PACK

A battery case includes: an inner case that includes an inner gas discharge hole for discharging the gas generated in batteries accommodated in a battery accommodating chamber to the outside of the battery accommodating chamber; an outer case that has an inner case accommodating chamber accommodating the inner case and includes an outer gas discharge hole for discharging the gas to the outside; a plurality of ribs that extend from the outer surface of the inner case to the inner surface of the outer case, to position the inner case with respect to the outer case, and are arranged at intervals from each other; and one or more gas guide passages defined by an outer surface of the inner case, an inner surface of the outer case, and the plurality of ribs and configured to guide a gas from the inner gas discharge hole to the outer gas discharge hole.

BATTERY PACK

A battery pack is provided with a check valve including a cover body that is attached to a housing accommodating battery cells and a valve main body that is provided at an inner side of the cover body. The check valve exhausts gas discharged from the battery cells to outside the housing. The valve main body includes a moving portion disposed at an upstream side of the cover body. The moving portion is urged by an urging member to separate to the upstream side from the main body portion. When an internal pressure of the housing is at least a threshold value, the moving portion moves to the downstream side in opposition to urging force of the urging member. Plural stopper portions of the moving portion abut against the main body portion and limit the movement to the downstream side. Interstitial flow paths for the gas are formed between the stopper portions. 1. A battery pack comprising:a battery stack including a plurality of battery cells arrayed in a thickness direction;a housing accommodating the battery stack in a hermetically sealed state; anda check valve including a cover body that is attached to the housing and a valve main body that is provided at an inner side of the cover body, the check valve exhausting gas discharged from the plurality of battery cells to outside the housing, a main body portion fixed at the cover body at a downstream side in an exhaust direction of the gas; and', 'a moving portion disposed at the cover body at an upstream side in the exhaust direction of the gas, the moving portion being urged by an urging member to separate to the upstream side from the main body portion, and when an internal pressure of the housing is at least a threshold value due to the gas, the moving portion moving to the downstream side in opposition to an urging force of the urging member and forming a flow path for the gas between the cover body and the moving portion, and, 'wherein the valve main body includeswherein the moving portion includes a plurality of ...

COMPOSITE MATERIALS SYSTEMS FOR BATTERY HOUSINGS AND COVERS HAVING IMPROVED THERMAL PERFORMANCE

The present disclosure provides a composite material housing for a battery pack for reducing or minimizing thermal runaway propagation. The composite material housing includes a polymeric structure defining an interior-facing surface and an exterior-facing surface. The polymeric structure includes a fire resistant material layer and a reinforcing material layer, where the fire resistant material layer defines an interior-facing surface, and the reinforcing material layer defines the exterior-facing surface. The composite material further includes a metallic layer disposed along the exterior-facing surface, where in a first operational mode the metallic layer contacts the exterior-facing surface and in a second operational mode, after exposure to a thermal load of greater than or equal to about 500° C., the metallic layer at least partially delaminates from the exterior-facing surface and forms one or more insulating air gaps that define a thermal barrier.

GAS COLLECTION DEVICE

The present invention relates to a gas collection device. The objective of the present invention is to provide a gas collection device capable of collecting highly concentrated gas for a battery having a case made of a rigid material of various sizes, particularly, for a cylindrical battery.

BATTERY PACK

A battery pack includes a cell-stacked body in which a plurality of battery cells including gas release valves are stacked, a gas release duct which connects the gas release valves of the plurality of battery cells, and a battery case which accommodates the cell-stacked body and the gas release duct. The battery pack is capable of discharging a gas from the gas release duct to an outside of the battery case. A check valve configured to allow a flow of the gas from the gas release valves to the outside of the battery case and to restrict entry of a foreign matter from the outside of the battery case is provided in the battery case.

BATTERY MODULE AND BATTERY PACK HAVING THE SAME

A battery module includes: a plurality of battery cells; and an insulating cover disposed on one side of the plurality of battery cells, the insulating cover comprising a venting guide configured to emit flame or gas occurring in one or more of the plurality of battery cells.

Traktionsbatterie aufweisend ein Leitmittel für einen Fluidvolumenstrom und Kraftfahrzeug

Die Erfindung betrifft eine Traktionsbatterie aufweisend eine Batterieschale eine Mehrzahl von in der Batterieschale angeordneten Batteriemodulen, wobei jedes Batteriemodul ein Sicherheitsventil aufweist, einen Batteriedeckel und ein Ventilationselement zur Be- und/oder Entlüftung der Traktionsbatterie, wobei die Traktionsbatterie ein zumindest teilweise für einen designierten Fluidvolumenstrom regelmäßig durchlässiges Leitmittel zur Umlenkung von einem designiert aus einem Sicherheitsventil austretenden designierten Fluidvolumenstrom in Richtung des Ventilationselements aufweist, die Traktionsbatterie einen Entlüftungskanal aufweist, welcher sich von dem Leitmittel zum Ventilationselement erstreckt.

Method and apparatus for assembling cells in a bettry pack to control thermal release

Cell tab with an integrated rupture valve for a battery cell, and a battery cell comprising said cell tab

A cell tab (1) with an integrated rupture valve for a battery cell (B, Fig 1) comprises a base body 2, with a first part 3 and a second part 5 and a plastic material 6 arranged on the surface base body 2 between parts 3 and 4. A first opening 7, which is arranged on first part 3, and a second opening 8, arranged on second part 4 with an inner channel 10 extending between both openings and within the interior of base body 2. Rupture disc 9, arranged on second opening 8 is gas-tight and thus provides a rupture valve, allowing an excess gas to be released. The cell tab may be produced by 3D printing and may also comprise a sensor unit to detect rupturing of disc 9.

Lead storage battery

A lead storage battery (100) comprises a lid (14). A communication chamber (520) is formed inside the lid (14). In the communication chamber (520), a first distance between an internal wall (432) and a ventilation hole (321) in side walls (506, 522) is less than a second distance between the internal wall (432) and communication holes (328, 330), and a tip part (432A) of the internal wall (432) on the other side in a first direction is formed at a position further to the other side in the first direction than the ventilation hole (321).

BATTERY PACK

A battery pack includes battery cell having exhaust valve that opens when internal pressure exceeds set pressure, and case that houses battery cell. Case includes multiple case units molded with plastic, multiple case units being coupled with mating surfaces to dispose battery cell inside case, and heat-resistant material disposed inside mating surfaces of respective multiple case units, heat-resistant material blocking gap between mating surfaces.

PROTECTIVE PLATE, BATTERY UNIT ASSEMBLY, BATTERY MODULE GROUP AND VEHICLE

This application relates to the field of energy storage components, and in particular, to a protective plate, a battery unit assembly, a battery module group, and a vehicle. The protective plate is provided with a guide groove. The protective plate is configured to shield an explosion-proof valve of a battery cell. The guide groove is configured to be disposed corresponding to the explosion-proof valve, and is configured to guide a flow direction of a flame ejected from the explosion-proof valve. In this application, the guide groove is disposed on the protective plate to guide the flame to a direction away from passengers, thereby protecting the passengers from injury.

BATTERY PACK

A flammable gas within a battery pack is safely released to outside from the battery pack while preventing breakage of a fitting connection portion of a case due to increase in an internal pressure. In the battery pack, a battery unit (10) is accommodated in an outer package case (2) including a first case (2A) and a second case (2B). The first case (2A) and the second case (2B) are connected to each other by stacking overlap plates of first circumferential wall (4A) and second circumferential wall (4B) at opening end portions of the cases. A first overlap plate (5A) stacked outside is connected to the first circumferential wall (4A). A second overlap plate (5B) stacked inside is connected to the second circumferential wall (4B). The first overlap plate (5A) includes reinforcement ribs (6) protruding inward. The second overlap plate (5B) includes fit portions which are slits or grooves configured to guide the reinforcement ribs (6). The first case (2A) and the second case (2B) are connected ...

Batteriegehäuse und Batterie

Die Erfindung betrifft ein Batteriegehäuse (12) aufweisend eine Stirnwand (14), in welcher eine Entlüftungsöffnung (22) ausgebildet ist, und eine Deckwand (16), wobei eine Innenwand (28) einen Innenraum (24) des Batteriegehäuses (12) in einen Energiespeicherraum (34) und einen Abscheideraum (32) unterteilt, wobei zwischen der Innenwand (28) und der Deckwand (16) ein Spalt (30) ausgebildet ist, der einen Strömungspfad (36) aus dem Energiespeicherraum (34) durch den Abscheideraum (32) und die Entlüftungsöffnung (22) in eine Umgebung (38) eröffnet, und wobei in dem Abscheideraum (32) eine Abscheideeinrichtung (40) mit wenigstens einem Abscheideelement (42, 62, 64) für Partikel angeordnet ist. Die Erfindung betrifft ferner eine Batterie (10) mit einem solchen Batteriegehäuse (12) und wenigstens einem in dem Batteriegehäuse (12) angeordneten Energiespeichermodul (26).

BATTERY MODULE HAVING A GAS-BASED FIRE EXTINGUISHING AGENT GUIDE BLADE FOR EXTINGUISHING BATTERY CELL UNIT, AND BATTERY RACK AND ENERGY STORAGE SYSTEM INCLUDING THE BATTERY MODULE

Discussed is a battery module that may include a cell assembly having battery cells arranged to face each other in an arrangement direction, a bus bar assembly coupled to a side surface of the cell assembly on which electrode leads of the battery cells are located, and guide blades arranged in front of the bus bar assembly in a direction corresponding to the arrangement direction of the battery cells, wherein each of the guide blades can have a plate surface facing at least one battery cell from among the battery cells, and is coupled to the bus bar assembly to rotate by a certain angle due to a gas pressure of a gas, when the gas is generated in the at least one battery cell.

Akkumulatorzelle und Traktionsbatterie

Die Erfindung betrifft eine Akkumulatorzelle eines zur Verwendung als Traktionsbatterie bestimmten Akkumulators, mit einem Zellengehäuse (2) und einem das Zellengehäuse (2) fluiddicht verschließenden Zellendeckel (3), wobei innerhalb des Zellengehäuses (2) einander abwechselnd positive und negative Elektrodenplatten (4, 5) sowie ein die Elektrodenplatten umgebender Elektrolyt angeordnet sind, wobei die positiven und die negativen Elektrodenplatten (4, 5) jeweils an einen gemeinsamen und durch eine Öffnung (12) im Zellendeckel (3) hindurchgeführten Pol (8, 10) elektrisch angeschlossen sind und wobei der Zellendeckel (3) eine gasdurchlässig verschließbare Nachfüllöffnung (13) für Elektrolyt aufweist, dadurch gekennzeichnet,- dass vier Pole (8, 9, 10, 11) vorgesehen sind, wobei die negativen und die positiven Elektrodenplatten jeweils an zwei Pole (8, 9; 10,11) angeschlossen sind,- dass die Pole (8, 9, 10, 11) jeweils eine Einlage (16) aus Kupfer und/oder einer Kupferlegierung aufweisen und ...

Elektrisches Energiespeichermodul und Verfahren zum Herstellen eines elektrischen Energiespeichermoduls

Die Erfindung betrifft ein elektrisches Energiespeichermodul, mit mindestens einem Speicherzellstapel (7), welcher eine Vielzahl von Gruppen erster, flächig paralleler Energiespeicherzellen (1), welche jeweils erste Elektrodenelemente (1a) aufweisen, und eine Vielzahl von flächig parallel zu den Gruppen erster Energiespeicherzellen (1) angeordneten Gruppen zweiter, flächig paralleler Energiespeicherzellen (2) aufweist, welche jeweils zweite Elektrodenelemente (2a) aufweisen. Dabei sind die Gruppen erster und zweiter Energiespeicherzellen (1; 2) alternierend entlang einer ersten Erstreckungsrichtung des Speicherzellstapels (7) angeordnet und die ersten Elektrodenelemente (1a) weisen an einer Seitenfläche des Speicherzellstapels (7) eine unterschiedliche Polarität zu den zweiten Elektrodenelementen (2a) an der Seitenfläche des Speicherzellstapels (7) auf. Das Energiespeichermodul umfasst weiterhin eine Vielzahl flächiger Kontaktelemente (5), welche an den Seitenflächen des Speicherzellstapels ...

Batterie mit einer Druckabbauvorrichtung und Kraftfahrzeug mit einer solchen Batterie

Die Erfindung betrifft eine Batterie (12) für ein zumindest teilweise elektrisch angetriebenes Kraftfahrzeug (10), mit einer Druckabbauvorrichtung (13) zum Abbauen eines durch eine crashbedingte Verformung (24) verursachten Überdrucks (26) eines im Inneren einer Temperiereinheit (22) der Batterie (12) angeordneten Temperiermittels (28). Das Innere der Temperiereinheit (22) ist an zumindest einer Seite durch ein Begrenzungselement gegen einen Druckausgleichshohlraum (34) abgegrenzt, wobei das Begrenzungselement eine Solldurchbruchseinrichtung (30) aufweist, die dazu eingerichtet ist, das Innere der Temperiereinheit (22) von dem Druckausgleichshohlraum (34) zu trennen und durch den Überdruck (26) des Temperiermittels (28) geöffnet zu werden, sobald dieser einen vorbestimmten Schwellenwert überschreitet. Aufgrund der geöffneten Solldurchbruchseinrichtung (30) ist der Druckausgleichshohlraum (34) hydraulisch mit dem Inneren der Temperiereinheit (22) verbunden und zumindest abschnittsweise von ...

Danger Sensing Battery Cell

Disclosed is battery cell including a reception unit of a battery case having an electrode assembly and an electrolytic solution received therein, a gas storage unit disposed outside the reception unit, a storage space in the gas storage unit being partitioned into two or more sections, and a sensor, wherein a signal is sensed by the sensor when the two or more sections of the gas storage unit are filled with gas. In the case in which the sensed signal deviates from a predetermined value, an alarm member signals danger, whereby an accident is prevented. 1. A battery cell , comprising:a battery case;an electrode assembly received in a reception unit of the battery case together with an electrolytic solution;a gas storage unit configured to store gas generated in the battery cell, the gas storage unit being formed outside the reception unit, anda partitioning means that partitions a space defined in the gas storage unit into two or more sections, the partitioning means being provided in the gas storage unit.2. The battery cell according to claim 1 , wherein the battery case has a first sealed portion formed by thermally fusing an outer circumferential surface of the battery case with the electrode assembly and the electrolytic solution received in the battery case.3. The battery cell according to claim 1 , wherein the battery case has a second sealed portion formed between the reception unit and the gas storage unit.4. The battery cell according to claim 3 , wherein the second sealed portion has a first one-way valve configured to guide the gas in the battery cell to the gas storage unit when the gas expands to a pressure that is greater than or equal to a predetermined pressure.5. The battery cell according to claim 1 , wherein the gas storage unit is provided at an outer surface of the battery case and has a sensor configured to sense a signal based on deformation or breach of each of the partitioning means.6. The battery cell according to claim 5 , wherein the ...

BATTERIES FOR ELECTRIC MARINE PROPULSION SYSTEMS, AND ASSOCIATED SYSTEMS AND METHODS

A battery pack (e.g., a battery pack for marine environments) can include a lower enclosure having an upper wall and defining a cavity, a plurality of battery cells positioned within the cavity, a radiator assembly positioned above the upper wall of the lower enclosure, a vent in the upper wall of the cavity, and/or a valve configured to selectively facilitate fluid communication between the cavity and the radiator assembly via the vent. In some embodiments, the valve is configured to open in response to increased pressure in the cavity resulting from a thermal runaway event. In some embodiments, the radiator is configured to create a tortuous path and collect flammable particulates from the thermal runaway event.

BATTERY PACK AND ELECTRIC VEHICLE

The present disclosure provides a battery pack and an electric vehicle. The battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, the at least one structural beam is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core ...

Elektrischer Energiespeicher für ein Kraftfahrzeug

Die Erfindung betrifft einen elektrischen Energiespeicher (1) für ein Kraftfahrzeug, mit einem Speichergehäuse (2) und mit mehreren in dem Speichergehäuse (2) in zumindest einer Reihe nebeneinander angeordneten Speicherzellen (3), wobei jede Speicherzelle (3) ein Zellgehäuse (4) mit einer Höhe (H), einer Breite (B) und einer Tiefe (T) aufweist, wobei benachbarte Zellgehäuse (4) an durch Höhe (H) und Breite (B) ausgebildete Seitenwände (6) aneinander anliegen, und wobei das Speichergehäuse (2) zumindest eine Entgasungsöffnung (9) aufweist und der Energiespeicher (1) zumindest einen zu der Entgasungsöffnung (9) führenden Entgasungskanal (12). Es ist vorgesehen, dass der Entgasungskanal (12) zumindest abschnittsweise durch eine Entgasungszelle (10) gebildet ist, die ein Gehäuse (11) aufweist, dessen Höhe (H) und Breite (B) der Höhe (H) und Breite (B) der Zellgehäuse (4) entspricht, und dass mit zumindest einer durch Höhe (H) und Breite (B) ausgebildeten Seitenwand (6) an einer Seitenwand ( ...

BATTERY HOUSING FOR AN ENERGY STORAGE DEVICE, ENERGY STORAGE DEVICE FOR A MOTOR VEHICLE, AND METHOD FOR DISCHARGING A GAS-PARTICLE MIXTURE FROM A BATTERY HOUSING

A battery housing for an energy storage device, the battery housing has a receiving area for accommodating a battery unit. In this case, a gas discharge channel is integrated into the battery housing, which gas discharge channel has an interior space that is spatially delimited by a channel wall. At least one gas inlet opening and at least one gas outlet opening leading out of the battery housing are arranged in the channel wall. A gas discharge path is provided from the at least one gas inlet opening to the at least one gas outlet opening. At least one part of the channel wall is designed as a cooling device for cooling a gas-particle mixture flowing through the gas discharge channel.

BATTERY, ELECTRICAL DEVICE, AND BATTERY PREPARATION METHOD AND DEVICE

Embodiments of the present application provide a battery, a power consumption apparatus, a method and apparatus for producing a battery. The battery includes: a battery cell including a pressure relief mechanism disposed on a first wall, the pressure relief mechanism being configured to be actuated when an internal pressure or temperature of the battery cell reaches a threshold, to relieve the internal pressure; and a thermal management component configured to accommodate a fluid to adjust a temperature of the battery cell, a first surface of the thermal management component being attached to the first wall, and the thermal management component being provided with a pressure relief zone, so that emissions discharged from an inside of the battery cell are capable of being discharged through the pressure relief zone when the pressure relief mechanism is actuated; where the first wall is provided with a first restraint member, the thermal management component is provided with a second restraint ...

Hochvoltbatterie für ein elektrisch betriebenes Fahrzeug

Die Erfindung betrifft eine Hochvoltbatterie, in deren Batteriegehäuse eine Anzahl von Zellmodulen (13) angeordnet ist, deren Zellmodul-Oberseite (35) in einer Gehäuse-Hochrichtung (z) über einen batterieinneren Montagespalt (21) von einem Gehäusedeckel (9) des Batteriegehäuses beabstandet ist, wobei bei einem thermischen Batteriezellen- Event (T) in einer Batteriezelle (15) eines der Zellmodule (13) Brandgas (A) ausströmt und über den batterieinneren Montagespalt (21) zu einem Notentgasungs-Auslass des Batteriegehäuses führbar ist. Erfindungsgemäß sind in dem batterieinneren Montagespalt (21) zwischen der Zellmodul-Oberseite (35) und dem Gehäusedeckel (9) eine Anzahl voneinander separater Hitzeschutzmaterial-Zuschnitte (23) angeordnet, von denen jeder jeweils einem Zellmodul (13) zugeordnet ist. Jeder Hitzeschutzmaterial-Zuschnitt (23) weist zumindest ein elastisch nachgiebiges Anpresselement (25) auf, das den Hitzeschutzmaterial-Zuschnitt (23) mit einer Anpresskraft (FA) in Druckanlage ...

Battery terminal post system and method of manufacture

A terminal for a battery module and a method of manufacture of the terminal are provided. The battery module may include a plurality of battery cells and a bus bar. The bus bar may be electrically coupled to the plurality of battery cells. The battery module also may include a battery terminal that carries a voltage from the bus bar. The battery terminal may include a generally cylindrical terminal portion and a connector. The connector may be coupled to the bus bar cell interconnect. The battery terminal also may include a bent portion. The bent portion is disposed between the terminal portion and the connector.

ENERGY STORAGE MODULE

An energy storage module includes: a cover member accommodating a plurality of battery cells in an internal receiving space, the battery cells being arranged in a first direction, each of the battery cells including a vent; a top plate coupled to a top of the cover member and including a duct corresponding to the vent of each of the battery cells; a top cover coupled to a top of the top plate and having a discharge opening corresponding to the duct; and an extinguisher sheet between the top cover and the top plate, the extinguisher sheet being configured to emit a fire extinguishing agent at a reference temperature.

BATTERY OUTGASSING FILTER SYSTEM AND METHOD TO FILTER OUTGASSING FROM A BATTERY CELL

A battery outgassing filter system is provided. The system includes a battery cell, an external casing encapsulating the battery cell and including a casing vent, and an outgassing filter disposed upon the casing vent and including a filter element including a first filter element portion operable to contain a first size of particulate matter and a second filter element portion operable to contain a second size of particulate matter relatively smaller than the first size of particulate matter. 1. A battery outgassing filter system , comprising:a battery cell;an external casing encapsulating the battery cell and including a casing vent; andan outgassing filter disposed upon the casing vent and including a filter element including a first filter element portion operable to contain a first size of particulate matter and a second filter element portion operable to contain a second size of particulate matter relatively smaller than the first size of particulate matter.2. The battery outgassing filter system of claim 1 , wherein the first filter element portion includes a first filter mesh;wherein the second filter element portion includes a second filter mesh; andwherein the second filter mesh is finer than the first filter mesh.3. The battery outgassing filter system of claim 1 , wherein the first filter element portion includes a planar fibrous filter element.4. The battery outgassing filter system of claim 1 , wherein the first filter element portion includes a foam-based porous filter element.5. The battery outgassing filter system of claim 1 , wherein the first filter element portion includes a wall flow filter element.6. The battery outgassing filter system of claim 1 , wherein the first filter element portion includes a partial-filtration bypass gap filtration element.7. The battery outgassing filter system of claim 1 , wherein the first filter element portion includes a catalyzed filter element.8. The battery outgassing filter system of claim 1 , wherein the ...

BATTERY PACK

A battery pack including battery cells; a potting resin on the battery cells at positions corresponding to central portions of upper end portions or lower end portions of the battery cells in a height direction of the battery cells; and an adhesive resin on the battery cells at positions corresponding to edge portions surrounding the central portions of the upper end portions or the lower end portions of the battery cells.

Battery module

A battery module with a plurality of battery cells arranged in a first direction in a battery array, the battery module including a plurality of barriers in which a pair of adjoining ones of the barriers mount a battery cell therebetween, a frame having at least a pair of opposed frame members, the battery array and the barriers being between the opposed frame members and disposed internally thereof, the frame including a pair of end blocks at outermost sides of the battery array, side frames connecting the end blocks, and a degassing portion overlying vent portions of each of the plurality of battery cells and providing a passage for directing vented gas from the battery cells away from the battery module, the degassing portion rigidly supporting the battery cells and barriers of the battery array within the frame.

Battery Pack Case and Battery Pack Including the Same

Provided are a battery pack case and a battery pack including the same. A battery pack case is capable of preventing heat from propagating from a trigger module to a normal module by providing a flow channel, through which gas generated during a thermal runaway situation is flowable, in frames constituting the battery pack case, and discharging the gas or like to the outside through the flow channel.

SYSTEM FOR ESTABLISHING CONNECTIONS OF A BATTERY MODULE

BATTERY PACK

A battery pack includes battery cell including a discharge valve opened when an internal pressure exceeds a set pressure, and case housing battery cell. Exhaust duct through which a discharge gas is discharged from the discharge valve to an outside of the case is disposed in the case, a discharge side of exhaust duct is opened to the outside of the case, and an inflow side of the exhaust duct is opened to an inside of the case, a diffusion space of the discharge gas is provided inside case, the discharge valve ejects the discharge gas into the diffusion space, and the discharge gas of the diffusion space is discharged to the outside of the case via exhaust duct.

BATTERY AND RELATED APPARATUS, PRODUCTION METHOD AND PRODUCTION DEVICE THEREFOR

The present application discloses a battery and a related apparatus, production method and production device therefor. The battery includes: a battery cell (20), the battery cell (20) including a pressure relief mechanism (213) configured to be capable of being actuated when an internal pressure or temperature of the battery cell (20) reaches a threshold, to relieve the internal pressure; an attachment component (13) adapted to be attached to the battery cell (20) by an adhesive; and an isolation component (14) configured to be capable of preventing the adhesive from being applied between the attachment component and the pressure relief mechanism (213). By providing the isolation component (14), it is possible to prevent the adhesive from being applied between the attachment component (13) and the pressure relief mechanism (213) in an effective manner in a process of battery production. Meanwhile, application efficiency and accuracy of the adhesive could be improved, thereby improving production ...

BATTERY PACK AND BATTERY CASE

A battery case includes: a battery container including a battery containing chamber containing a plurality of batteries, and an inner gas discharge hole for discharging a gas generated in the batteries on at least one side in a height direction of the batteries fixed to the battery containing chamber; and one or more gas exhaust passages including first and second corner passage parts that are located inside an outer wall part including an outer surface in contact with an outer region and outside the battery container and extend along the height direction, and an outer gas discharge hole for discharging the gas to the outside, the one or more gas exhaust passages guiding the gas from the inner gas discharge hole to the outer gas discharge hole.

Elektrochemische Batteriezelle für einen elektrischen Energiespeicher mit einer Berstmembran mit einer Berstprägestruktur, sowie elektrischer Energiespeicher

Die Erfindung betrifft eine Elektrochemische Batteriezelle (10) für einen elektrischen Energiespeicher (12) eines zumindest teilweise elektrisch betriebenen Kraftfahrzeugs, mit einem Batteriezellengehäuse (14) mit einem Innenraum (16), in welchem zumindest eine Batteriewicklung der elektrochemischen Batteriezelle (10) angeordnet ist, und mit zumindest einer Berstmembran (18), welche dazu ausgebildet ist, bei einem thermischen Durchgehen (20) der elektrochemischen Batteriezelle (10) zu bersten und somit ein bei dem thermischen Durchgehen (20) entstandenes Gas (22) aus dem Innenraum (16) in eine Umgebung (24) des Batteriezellengehäuses (14) abzuführen, wobei die Berstmembran (18) eine Oberfläche (26) aufweist, auf welcher eine vorgegebene Berstprägestruktur (28) ausgebildet ist. Ferner betrifft die Erfindung einen elektrischen Energiespeicher (12).

System and method for establishing connections of a battery module

A battery module includes a housing and battery cells disposed in the housing, each of the battery cells including two terminals. The battery module also includes bus bar cell interconnects including a first material, where each bus bar cell interconnect is configured to electrically couple two adjacent battery cells via an electrical coupling with a first terminal of one of the adjacent battery cells and a second terminal of the other adjacent battery cell, where at least one of the first and second terminals includes the first material. The battery module includes welds, each weld being disposed at a corresponding welding point to directly couple one of the bus bar cell interconnects with the corresponding at least one terminal including the first material. Each welding point is accessible for welding from a position above the battery cells when the interconnects are disposed over the battery cells.

Motor vehicle traction battery module

A motor vehicle traction battery module includes a rigid battery module housing having at least one battery element. The battery module housing has at least one planar and liquid-cooled housing. The liquid-cooled housing wall has at least one continuously linear coolant cooling channel and at least one continuously linear empty channel, which is parallel thereto and through which there is no liquid flowing. The liquid-cooled housing wall has a contact-making opening, by means of which exclusively the empty channel is interrupted, and wherein an electrical terminal element is arranged in the region of the contact-making opening, with electrical contact being made with at least one battery element by means of said electrical terminal element.

Pouch-Shaped Battery Cell Including Electrode Lead Capable of Maintaining Uniform Internal Pressure and Battery Pack Including the Same

The present invention relates to a pouch-shaped battery cell including a battery case made of a laminate sheet, an electrode assembly received in the battery case, the electrode assembly having an electrode tab protruding therefrom, an electrode lead electrically connected to the electrode tab, the electrode lead extending outwards from the battery case, and a gas discharge portion located in the electrode lead, wherein it is possible to prevent the internal pressure of the pouch-shaped battery cell from being increased to a predetermined level or more.

A BATTERY DEVICE WITH PROTECTION AGAINST FIRE PROPAGATION

A battery device (3) is provided. The battery device comprises a casing having a plurality of sides (10a-10f), and a battery cell pack (20) located within the casing. The casing comprises at least one outlet (31) arranged at at least one of the plurality of sides. The plurality of sides of the casing is assembled to form a sealed container configured to prevent heated gases generated upon a malfunction of the battery cell pack from escaping the casing except via the at least one outlet. The battery device further comprises a filter (13) arranged at said at least one outlet for limiting at least flames from escaping the casing.

Energiespeicher, Kraftfahrzeug und Gehäusedeckelanordnung

Die Erfindung betrifft einen Energiespeicher (10) für ein Kraftfahrzeug, der ein Batteriemodul (20) mit einer Batteriezelle (22) aufweist, die an ihrer Oberseite (20a) eine bei Überdruck freigebbare Öffnung (22b) aufweist, und ein Batteriegehäuse (14), in welchem das Batteriemodul (20) mit seiner Unterseite (20b) einem Gehäuseboden zugewandt angeordnet ist, wobei das Batteriegehäuse (14) einen Gehäusedeckel (16) aus einem ersten Material aufweist, der auf einem Gehäuseunterteil (12) des Batteriegehäuses (14) anordenbar ist, und der eine Innenseite aufweist, die in einem am Gehäuseunterteil (12) angeordneten Zustand des Gehäusedeckels (16) dem mindestens einen Batteriemodul (20) zugewandt ist. Dabei ist an der Innenseite des Gehäusedeckels (16) in zumindest einem vorbestimmten ersten Bereich (B1), welcher in einem auf das Gehäuseunterteil (12) aufgesetzten Zustand des Gehäusedeckels (16) zumindest über der freigebbaren Öffnung (22b) der Batteriezelle (22) angeordnet ist, mindestens ein Hitzeschutzeinleger ...

BATTERY MODULE HAVING FLAME ARRESTING STRUCTURE, BATTERY PACK, VEHICLE AND ENERGY STORAGE SYSTEM COMPRISING THE SAME

A battery module includes a sub module including a plurality of battery cells, a lower housing to receive the sub module therein and having an opening, a first housing cover coupled to the lower housing, covering the opening of the lower housing, and having a gas inlet, a second housing cover coupled to the first housing cover from above to form a gas receiving space therebetween, and having a gas outlet, and a variable partition structure using hinges installed in the gas receiving space to partition the gas receiving space to define a gas exhaust path to increase a movement path of a flame entering together with gas occurred in the sub module and entering the gas receiving space through the gas inlet. 1. A battery module , comprisinga sub module including a plurality of battery cells;a lower housing to receive the sub module therein and having an opening;a first housing cover coupled to the lower housing, covering the opening of the lower housing, and having a gas inlet;a second housing cover coupled to the first housing cover from above to form a gas receiving space therebetween, and having a gas outlet; anda variable partition structure installed in the gas receiving space to partition the gas receiving space to define a gas exhaust path to increase a movement path of a flame entering together with gas occurred in the sub module and entering the gas receiving space through the gas inlet.2. The battery module according to claim 1 , wherein the variable partition structure includes at least one hinge structure and at least two partition structures claim 1 ,wherein the hinge structure includes a hinge axis and a hinge cap inserted and fixed to at least one end of the hinge axis, andwherein the two partition structures are rotatably coupled around the hinge axis.3. The battery module according to claim 2 , wherein each of the two partition structures has a first handle structure at a first end and a second handle structure at a second end claim 2 , the first handle ...

BATTERY PACK, ELECTRONIC DEVICE COMPRISING SAME, AND MOTOR VEHICLE

Disclosed is a battery pack with improved safety by preventing a secondary explosion or thermal runaway phenomenon, and an electronic device and a vehicle including the battery pack. The battery pack includes a plurality of battery modules respectively having a discharge port configured to discharge a gas generated therein to the outside; a tray to which the plurality of battery modules are mounted, the tray having a discharge hole for discharging a gas to the outside; and a pair of side covers having body portions elongated in one direction and respectively located at one side and the other side of the tray, a plurality of inlets formed by opening a part thereof and respectively connected to the discharge port, and at least a gas discharge portion configured to transport a gas introduced from the inlet to the discharge hole. When a high-temperature gas is generated due to an abnormal behavior at any one battery module, the high-temperature gas may be discharged to the outside through the ...

BATTERY FIRE DETECTION DEVICE AND METHOD, AND ENERGY STORAGE SYSTEM

A battery fire detection device according to an embodiment includes: a first sensor configured to detect whether a gas vent of a battery cell is opened; a second sensor configured to detect a temperature of the battery cell; and a controller configured to determine whether there is a risk of fire or whether a fire occurs in the battery cell based on detection results of the first sensor and the second sensor.

ENERGY STORAGE MODULE

An energy storage module includes: a plurality of battery cells arranged in a length direction, each of the battery cells including a vent; a plurality of insulation spacers, at least one of the insulation spacers being located between long side surfaces of an adjacent pair of the battery cells; a cover member; a top plate coupled to a top portion of the cover member and including ducts respectively corresponding to the vents of the battery cells and including opening holes respectively corresponding to the insulation spacers; a top cover coupled to a top portion of the top plate and including discharge holes located in an exhaust area and respectively corresponding to the ducts; and an extinguisher sheet located between the top cover and the top plate, configured to emit a fire extinguishing agent at a temperature exceeding a certain temperature and including opening holes located to correspond to the ducts.

CAR BATTERY SYSTEM

The car battery system of the present invention is provided with a battery block 2 that retains a plurality of battery cells 1 in a stacked configuration and has a terminal plane 2A, which is coincident with terminal surfaces 1A established by positive and negative battery cell 1 electrode terminals 13; and with a battery state detection circuit 30 that connects with the electrode terminals 13 of each battery cell 1. The battery system is provided with a circuit board 7 with surface-mounted electronic components 40 that implement the battery state detection circuit 30. The circuit board 7 is a single-sided board with electronic components 40 mounted on only one side, and the circuit board 7 is attached to the battery block 2 opposite the terminal plane 2A with the side having no electronic components 40 facing the battery block 2. The positive and negative electrode terminals 13 of each battery cell 1 are connected with the circuit board 7 for connection to the battery state detection circuit ...

BATTERY DEVICE

A traction battery device or an accumulated battery device is provided having a cell stack of rechargeable individual battery cells that are stacked onto one another in a stack direction. An end plate each is touchingly arranged on two stack front-faces of the cell stack oriented opposite to one another in the stack direction. It is substantial for the disclosure that the individual battery cells of the cell stack are clamped or can be clamped to another in the stack direction with at least one anchor board that is equipped or can be equipped with electronic elements. 1. A battery device , comprising:a cell stack of rechargeable individual battery cells touchingly stacked onto one another in a stack direction,wherein on two stack front-faces of the cell stack-oriented opposite to one another in the stack direction an end plate each is touchingly arranged, and wherein the individual battery cells of the cell stack are clamped or can be clamped against one another in the stack direction with at least one anchor board that is equipped or can be equipped with electronic elements.2. The device according to claim 1 , wherein an anchor board is clampingly coupled to the two end plates.3. The device according to claim 2 , wherein the coupling of the respective anchor board to one or to both end plates is realized in a positive and/or non-positive or firmly bonded manner.4. The device according to claim 1 , wherein an anchor board is bonded or screwed to at least one end plate.5. The device according to claim 1 , wherein an anchor board comprises or forms a board body which serves for being equipped with individual electronic elements claim 1 , in particular a PCB board body.6. The device according to claim 1 , wherein:the respective anchor board is formed by a single board body at least in portions, orthe respective anchor board is formed in multiple portions, in particular with gaps between the respective portions in the stack direction, by a board body, orin that the ...

BATTERY MODULE WITH MONITORING OF THERMAL PERFORMANCE OF INDIVIDUAL CELLS

SEALING PLUG, BATTERY CELL, AND ELECTRIC APPARATUS

A sealing plug is applied to a battery cell having a housing. The housing is provided with a through hole. The sealing plug seals the through hole, and includes a thermally deformable portion, where the thermally deformable portion covers at least part of the through hole, and the thermally deformable portion is configured to at least partially deform when temperature is higher than a preset threshold, so that the accommodating cavity communicates with the external environment.

BATTERY PACK

A battery pack includes a cell assembly; and a pack case accommodating the cell assembly in an internal space, wherein the pack case includes a lower plate having a plate shape and a frame disposed to protrude upwardly from the lower plate, wherein the frame has an inlet through which flame flows from the cell assembly into the internal space of the frame, and a flow path through which the flame flowing in from the inlet flows, wherein the flow path is formed by a partition wall disposed in the length direction of the frame, and wherein at least two or more of the partition walls are spaced apart from each other in the height direction of the frame such that a direction of the flow path is able to be changed.

BOX BODY FOR BATTERY, BATTERY, ELECTRIC DEVICE, AND METHOD AND DEVICE FOR PREPARING BATTERY

POWER SUPPLY DEVICE

A power supply device with enhanced safety is provided. A power supply device (100) includes secondary battery cells (1) each including a positive electrode (2) including a safety valve on one end surface of each cell, a battery holder holding the secondary battery cells (1) each including the positive electrode (2) on the one end surface thereof, and a housing (20) having a bottom surface (22), a top surface (23), and an inner space which accommodates the battery holder therein. The battery holder holds the secondary battery cells (1) upright in parallel to one another such that the positive electrode (2) on the one end surface of each cell (1) is directed vertically downward. In the housing (20), the battery holder retains the positive electrode (2) of each cell (1) spaced apart from the bottom surface (22) across a first space (SP1). In the above structure, the first space (SP1) between the positive electrode (2) of the secondary battery cell (1) and the bottom surface (22) is used as ...

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

Discussed is a battery module that may include a battery cell assembly including a first battery cell assembly and a second battery cell assembly in which a plurality of battery cells are stacked, respectively; an upper frame that houses an upper surface and opposite side surfaces of the battery cell assembly and is opened in front and rear surfaces; a lower frame that houses a lower surface and the opposite side surfaces of the battery cell assembly and is opened in front and rear surfaces; and end plates that are respectively located on a surface that is adjacent to an outer side from among front and rear surfaces of the first battery cell assembly and a surface that is adjacent to an outer side among front and rear surfaces of the second battery cell assembly, wherein the first battery cell assembly and the second battery cell assembly are arranged separately in a direction facing each other, and wherein the upper frame includes a material having a melting point higher than a melting ...

STORED ENERGY SOURCE FOR A MOTOR VEHICLE, MORE PARTICULARLY FOR AN AUTOMOBILE

CAP ASSEMBLY COMPRISING GUIDE MEMBER FOR PREVENTING ESCAPE OF SAFETY VENT

BATTERY DEVICE

A battery device includes a cell assembly having a plurality of battery cells, and a frame member having a bottom member, a cover member, and a side member connecting the bottom member and the cover member to form as accommodating space for accommodating at least one cell assembly therein. The frame member comprises a flow space therein so that the pas or flames generated in the cell assembly flow, the flow space comprises a first flow space formed in any one of the cover member and the bottom member and a second flow space formed in the side member, and the first flow space and the second flow space are connected to each other.

BATTERY CELL AND BATTERY MODULE INCLUDING SAME

Disclosed is a battery cell, which includes a battery case having an accommodation portion in which an electrode assembly is mounted, and a sealing portion formed by sealing an outer periphery thereof; and a gas discharge unit inserted into the sealing portion and fused together with the sealing portion, wherein the gas discharge unit includes a first layer and a second layer and has a folded structure based on a first border line, the gas discharge unit is opened toward the inside of the battery case, and the first layer becomes an outer surface of the gas discharge unit so that the first layer and the sealing portion come into contact with each other.

BATTERY AND RELATED APPARATUS THEREFOR, PREPARATION METHOD, AND PREPARATION DEVICE

The present application discloses a battery and a related device, preparation method, and preparation apparatus thereof. The battery includes: a plurality of battery cells, at least one battery cell of the plurality of battery cells including a pressure relief mechanism, and the pressure relief mechanism being configured, when an internal pressure of the at least one battery cell reaches a threshold, to be actuated to release the internal pressure; and a bus component configured to electrically connect the plurality of battery cells, wherein the pressure relief mechanism and the bus component are respectively arranged on different sides of the at least one battery cell, such that emissions from the at least one battery cell are discharged in a direction away from the bus component when the pressure relief mechanism is actuated. Through such an arrangement of the pressure relief mechanism and the bus component, the safety performance of the battery can be significantly improved.

Batteriegehäuse für eine Hochvoltbatterie in einem elektrisch betriebenen Fahrzeug

Die Erfindung betrifft ein Batteriegehäuse für eine Hochvoltbatterie in einem zumindest teilweise elektrisch betriebenen Fahrzeug, mit einem Gehäusedeckel (1) und einem Gehäuseunterteil (3), die einen Gehäuseinnenraum (9) begrenzen, in dem Batteriezellen (11) angeordnet sind. Erfindungsgemäß weist der Gehäusedeckel (1) einen Dreilagenaufbau auf, und zwar mit einem dem Gehäuseinnenraum (9) zugewandten Innenblechteil (17) und einem außenseitigen Außenblechteil (19), die einen Deckel-Innenraum begrenzen, der zumindest teilweise oder vollständig mit einer Brandschutz-Dämmschicht (21) gefüllt ist.

SYSTEMS, METHODS, AND DEVICES FOR CONSTANT CURRENT RELAY CONTROL OF A BATTERY MODULE

A battery module may include a housing, a plurality of battery cells disposed in the housing, a battery terminal extending from the battery module for coupling the battery module with electrical components in the vehicle, and a contactor. A voltage supplied to a relay coil in the contactor may generate a magnetic field to actuate a contactor switch. The battery module may also include a printed circuit board (PCB) disposed in the housing. The PCB may include a relay control circuit configured to control a current flowing across the relay coil, and the relay control circuit may operate in a pull-in mode to transition the contactor switch into a closed position and in a hold mode to maintain the contactor switch in the closed position.

BATTERY PACK, METHOD FOR MANUFACTURING BATTERY PACK, AND ELECTRICAL DEVICE

A battery pack is disclosed, including a cover plate, a cell module, a second resin layer, a battery pack housing, and an insulation assembly. The cell module is accommodated in the battery pack housing and fixed by the second resin layer. The cell module includes a plurality of cells. Each of the cells includes a first end and a second end disposed opposite to each other along a first direction. The insulation assembly is disposed at second ends of at least two of the cells. The insulation assembly and the second ends of the at least two cells form a first space. The first space communicates with a clearance between the at least two cells. The insulation assembly closes off one side of the first space. The insulation assembly and the first space form an exhaust passage. The exhaust passage communicates with an outside of the battery pack.

BATTERY MODULE COMPRISING A MULTI-LAYER PRINTED CIRCUIT BOARD

PROTECTION PLATE, BATTERY CELL ASSEMBLY, BATTERY MODULE AND VEHICLE

BLADED FUSE CONNECTORS FOR USE IN A VEHICLE BATTERY MODULE

A battery system having a bladed fuse connector and a method of operation of the bladed fuse connector are provided. The system may, in certain embodiments, include a printed circuit board (PCB) and a high current interconnect. The high current interconnect may be mounted to and extending upward from the PCB. The battery system may also include a fuse. The fuse may limit an amount of current flowing through the battery system. Additionally, the battery system may include a bladed fuse connector coupled between the high current interconnect and the fuse. The bladed fuse connector may carry a current between the high current interconnect and the fuse. To that end, the bladed fuse connector may include an S-shaped bend between the high current interconnect and the fuse.

BATTERY, ELECTRIC DEVICE, MANUFACTURING METHOD AND MANUFACTURING SYSTEM FOR BATTERY

This disclosure provides to a battery, an electric device, a manufacturing method and a manufacturing system for the battery. The battery includes a battery module, a casing, and a flow guide member. The battery module includes an explosion-proof assembly. The casing accommodates the battery module. The casing includes a gas discharge passage. The gas discharge passage includes a gas inlet and a gas outlet. The flow guide member is disposed inside the casing and shields the explosion-proof assembly to form a gas guide passage. The gas guide passage is in communication with the gas inlet, for guiding gas generated by the battery module to an exterior of the casing through the gas outlet after the explosion-proof assembly is destroyed. This disclosure intends to solve the technical problem of use safety of the battery being seriously affected due to the battery being prone to catching fire quickly and then exploding.

Battery pack including batteries

The present application provides a battery pack. The battery pack includes a box, the box being configured as a cavity structure; an exhaust channel arranged at the bottom of the box; and a plurality of battery cells, the plurality of battery cells being stacked and housed in the cavity structure of the box, and the plurality of battery cells being located on an end face of the exhaust channel facing away from the bottom of the box, and an end face of each of the battery cells facing the exhaust channel being provided with an explosion-proof valve, where a structural layer of the exhaust channel facing the explosion-proof valve is provided with a weakened zone, and when thermal runaway occurs in any battery cell, a gas in the battery cell is capable of being collected into the exhaust channel via the weakened zone and discharged.

BATTERY CASE, AND BATTERY PACK

A battery case includes: an inner case that includes an inner gas discharge hole for discharging the gas generated in batteries accommodated in a battery accommodating chamber to the outside of the battery accommodating chamber; an outer case that has an inner case accommodating chamber accommodating the inner case and includes an outer gas discharge hole for discharging the gas to the outside; a plurality of ribs that extend from the outer surface of the inner case to the inner surface of the outer case, to position the inner case with respect to the outer case, and are arranged at intervals from each other; and one or more gas guide passages defined by an outer surface of the inner case, an inner surface of the outer case, and the plurality of ribs and configured to guide a gas from the inner gas discharge hole to the outer gas discharge hole.

BATTERY BOX BODY, BATTERY, ELECTRIC DEVICE, AND METHOD FOR PREPARING BOX BODY

BATTERY MODULE, BATTERY PACK, AND APPARATUS USING SECONDARY BATTERY

Modular battery pack systems for prismatic cells

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.

Battery Assembly With Gas Discharge Mechanism

A battery gas discharge system is provided having a floorpan with an outlet and a fastener aperture. The outlet and the fastener aperture are laterally spaced from each other. The system also includes a battery module with a base for resting upon the floorpan. An attachment aperture and a vent aperture are formed through the base. The attachment aperture and the vent aperture are laterally spaced from each other. A gas discharge mechanism defines a passageway for gas discharge between the battery module and the vent aperture. The gas discharge mechanism includes a vent port that is coupled to the vent aperture and sized for receiving discharged gas. The vent port is adapted for mating with and forming a seal about the outlet by securing the base to the floorpan during assembly.

Battery pack

Each battery module 100 includes a holder 20 accommodating cells 10 and made of a thermal conductive material, and a rectangular solid case 30 accommodating the holder 20. The holder 20 includes containers 21, in each of which one of the cells 10 is accommodated. The case 30 has a first side surface 30 a and a second side surface 30 b, which are parallel to side surfaces of the containers 21 of the holder 20, and face each other. The battery pack 200 is formed by stacking the battery modules 100 in a direction that the first side surface 30 a and the second side surface 30 b overlap each other. Spacers 50 a and 50 b, each of which has a predetermined width, are provided between adjacent two of the battery modules 100, at both ends of the first and second side surfaces 30 a and 30 b of the case 30 in a width direction, along a direction perpendicular to the width direction. The spacers 50 a and 50 b form a gap 60, through which a cooling medium flows, between the first and second side surfaces 30 a and 30 b.

Battery pack

A battery pack 200 includes stacked battery modules 100 each including a case 30 in which a plurality of cells 10 are accommodated, and an outlet 33 which is provided to the case 30 and through which gas released from the cell 10 is released outside the case 30 . The battery pack 200 is fixed to a rectangular parallelepiped framework 40 built by frame bodies each having a hollow structure, and the outlet 33 of each battery module 100 is connected to an intake port 61 provided to the framework 40 . Gas released through the outlet 33 of the battery module 100 flows through a hollow section of the frame body, and is released through an exhaust port 60 provided to the framework 40 to the outside.

Battery module and battery assembly used therein

A battery assembly 200 includes: a block 80 including housings 80 a each housing cells 100; first and second connection plates 21 and 22 connecting the cells 100 in parallel; and a spacer 90 disposed between the cell 100 and the first connection plate 21. The block 80 has a pierced part 80 b penetrating the block 80 along the axial direction. The spacer 90 has a hollow part 90 a penetrating the spacer 90 along the axial direction. A battery module is formed by combining the battery assemblies 200 such that the pierced part 80 b of one of adjacent ones of the battery assemblies 200 disposed along the stacking direction is engaged with the hollow part 90 a of the other battery assembly 200. The pierced parts 80 b and the hollow parts 90 a of the battery assemblies 200 communicate with each other along the axial direction.

VALVE DEVICE FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE

A valve device for a power storage device that can, when a gas is generated inside the power storage device, release the gas to the outside, and can highly prevent the intrusion of moisture from an external environment, the power storage device including: a power storage device element and a housing in which the element is housed, the valve device being attached to the housing, wherein the valve device is configured to reduce an internal pressure of the housing when the pressure increases due to a gas generated inside, and in the valve device, an amount of helium leakage from a secondary side to a primary side is 5.0×10Pa·m/sec or more and 5.0×10Pa·m/sec or less, as measured in a 25° C. environment, in accordance with a method defined in “Vacuum spraying method (spray method)” of “Method for helium leak testing” in JIS Z 2331: 2006. 1. A valve device for a power storage device , the power storage device comprising a power storage device element and a housing in which the power storage device element is housed , the valve device for being attached to the housing of the power storage device , whereinthe valve device is configured to reduce an internal pressure of the housing when the pressure increases due to a gas generated inside the housing,the valve device comprises:a first portion in which a valve mechanism is formed, the valve mechanism being configured to reduce an internal pressure of the housing when the pressure increases due to a gas generated inside the housing; anda second portion in which a vent passage is formed, the vent passage being configured to guide the gas generated inside the housing to the valve mechanism, whereinthe second portion has a wing-shaped extending end formed with a thickness that decreases toward an end in a width direction orthogonal to a thickness direction of the housing, and{'sup': −11', '3', '−6', '3, 'in the valve device, an amount of helium leakage from a secondary side to a primary side of the valve device is 5.0×10Pa·m/sec ...

Single cell fault tolerant battery system architecture

A battery system may include multiple battery cells grouped into modules. Each battery module may have a diffuser plate to direct the hot gases and molten material that are ejected during cell failure. The gas and material may be directed away from the nearest neighboring cells in the event of a single cell thermal runaway. Residual thermal energy is wicked away, absorbed or contained to keep heat away from the neighboring cells. These and other features may manage the blast energy and residual thermal energy of a single cell failure event. This may prevent a cascading failure of the larger battery system, thereby mitigating the risk of injury to personnel and property.

POWER SUPPLY APPARATUS AND COMPONENTS THEREOF (VENTING)

A power supply apparatus () comprising a main housing (), a battery assembly (), battery management circuitry () and temperature conditioning arrangement. A battery compartment () comprises a discharge chamber () which is in fluid communication with safety vents of batteries (). Venting apertures () are formed on the discharge chamber (), and thermal sensors are provided on the discharge chamber (). The thermal sensors are configured to detect temperature inside the battery compartment () and to deliver temperature information to the battery management circuitry (), which is to activate a counter-measure or temperature conditioning arrangement to condition temperature of the battery assembly () when the temperature detected by the thermal sensor or a plurality of thermal sensors reaches an activation threshold temperature. 1. A power supply apparatus comprising a main housing , a battery assembly and battery management circuitry;wherein the battery assembly comprises a plurality of batteries, the batteries having safety vents which are distributed on a first surface of the battery assembly for releasing gaseous discharge,wherein the main housing comprises a battery compartment in which the battery assembly is held,wherein the battery compartment comprises a discharge chamber which is in fluid communication with the safety ventswherein a venting aperture or a plurality of venting apertures is formed on the discharge chamber, and wherein a thermal sensor or a plurality of thermal sensors is provided on the discharge chamber,wherein the thermal sensor is configured to detect temperature inside the battery compartment and to deliver temperature information to the battery management circuitry, andwherein the battery management circuitry is configured to activate a counter-measure or a temperature conditioning arrangement to condition temperature of the battery assembly when the temperature detected by the thermal sensor or the plurality of thermal sensors reaches an ...

Battery, power consumption device, method and device for preparing a battery

Embodiments of the present application provide a battery. The battery includes: a battery cell comprising a pressure relief mechanism, the pressure relief mechanism being arranged in a first wall of the battery cell and the pressure relief mechanism being configured, when an internal pressure or temperature of the battery cell reaches a threshold, to be actuated to release the internal pressure; and a thermal management component for containing a fluid to adjust the temperature of the battery cell; wherein a first surface of the thermal management component is attached to the first wall, and the thermal management component is configured to be capable of being damaged when the pressure relief mechanism is actuated, so that the fluid is discharged from inside of the thermal management component. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

BATTERY MODULE

A battery module includes a plurality of secondary battery cells, including at least one weak sealing portion, and a housing unit in which the plurality of secondary battery cells are accommodated. The housing unit includes a flame discharge opening formed to face the weak sealing portion such that flame or exhaust gas, discharged from the weak sealing portion, is induced to be discharged outwardly of the housing unit. 1. A battery module comprising:a plurality of secondary battery cells including at least one weak sealing portion; anda housing unit in which the plurality of secondary battery cells is accommodated,wherein the housing unit includes a flame discharge opening formed to face the at least weak sealing portion such that flame or exhaust gas discharged from the weak sealing portion is guided outside of the housing unit.2. The battery module of claim 1 , wherein the flame discharge opening is formed in an upper edge portion of the housing unit.3. The battery module of claim 1 , wherein the flame discharge opening comprises:a discharge coupling pipe coupled to the housing unit; anda discharge guide pipe coupled to the discharge coupling pipe and formed to extend toward the weak sealing portion from the discharge coupling pipe.4. The battery module of claim 3 , wherein the discharge guide pipe is formed to have a shape in which a width of the discharge guide pipe is increased in a direction toward the weak sealing portion from the discharge coupling pipe.5. The battery module of claim 1 , wherein the flame discharge opening comprises:an opening formed in a portion of the housing unit facing the weak sealing portion; andan opening/closing plate portion opening and closing the opening.6. The battery module of claim 1 , wherein the housing unit comprises:a bottom member on which the plurality of secondary battery cells is seated;a front/rear member, provided on an edge of the bottom member, to which an electrode lead portion of the secondary battery cell is ...

Battery module

A battery module with a plurality of battery cells arranged in a first direction in a battery array, the battery module including a plurality of barriers in which a pair of adjoining ones of the barriers mount a battery cell therebetween, a frame having at least a pair of opposed frame members, the battery array and the barriers being between the opposed frame members and disposed internally thereof, the frame including a pair of end blocks at outermost sides of the battery array, side frames connecting the end blocks, and a degassing portion overlying vent portions of each of the plurality of battery cells and providing a passage for directing vented gas from the battery cells away from the battery module, the degassing portion rigidly supporting the battery cells and barriers of the battery array within the frame.

Energy storage apparatus

Disclosed is an energy storage apparatus which includes: an energy storage device; an outer case which accommodates the energy storage device; a partition plate which is disposed between the energy storage device and a side wall of the outer case; and a discharge portion which is disposed on the outer case, the discharge portion having one or more openings through which a gas, which has passed through a flow passage formed between the partition plate and the side wall, is discharged from the outer case.

Safety vent and electrochemical device

A safety vent including: a vent 3 that allows gas generated inside a laminate type battery 2 to release to the outside, a gas permeated membrane 4 through which the gas permeates, and a housing case 5 that internally houses the vent 3 and the gas permeated membrane 4 , and that is attached to a gas spout out port 24 formed in a laminated exterior casing 21 of the laminate type battery 2.

Battery pack

This disclosure relates to a battery pack, including: an upper cover ( 1 ) including an upper cover body and an explosion-proof exhaust structure ( 3 ), the upper cover body including a top plate ( 11 ) in an upper part and a side plate ( 12 ), and an opening in a lower part, the explosion-proof exhaust structure ( 3 ) being disposed on the side plate ( 12 ), and an exhaust duct being provided between the top plate ( 11 ) and the explosion- proof exhaust structure ( 3 ); and a lower housing ( 2 ), where the upper cover ( 1 ) is disposed above the lower housing ( 2 ), the lower housing ( 2 ) is disposed with batteries ( 5 ), and each of the batteries is provided with an explosion-proof valve ( 51 ). The exhaust structure ( 3 ) of the upper cover ( 1 ) of the battery pack is disposed on the side plate ( 12 ). Hot gas rapidly increased in the battery pack due to thermal runaway is exhausted from a lateral side by the explosion-proof exhaust structure ( 3 ) disposed on the side plate ( 12 ), thereby effectively reducing safety hazards to a passenger compartment caused by the hot gas exhausted from an upper end of the battery pack. In addition, the battery pack can be manufactured by improving an existing upper cover structure, thereby possessing advantages of cost-efficiency and significant effects.

Battery tray and power battery pack

The present disclosure relates to a battery tray and a power battery pack. The battery tray includes a tray body. The tray body includes a base plate and a side beam, and the side beam is disposed around the base plate and defines, together with the base plate, an accommodating space for battery cells. The base plate is formed therein with an air passage, and the base plate is provided with several inlet vents and at least one exhaust vent. The inlet vent is configured to introduce a flame, smoke or gas discharged from the battery cell into the air passage, and the exhaust vent is configured to discharge the flame, smoke or gas inside the air passage.

System for providing voltage measurements of battery cells to a pcb within a battery module

A battery module and a method of manufacture are provided. The battery module may include a printed circuit board (PCB) assembly. The PCB assembly may include a PCB designed to be disposed in a battery module for controlling operations of the battery module. The PCB may also include voltage sensing circuitry. In addition, the PCB assembly may include a bus bar cell interconnect. The bus bar cell interconnect may electrically couple batteries of the battery module. The PCB assembly may also include a voltage sense connection tab. The voltage sense connection tab may carry a voltage between a bus bar cell interconnect of the battery module and the voltage sensing circuitry on the PCB.

Storage battery module

An inner case houses a plurality of storage battery cells. An outer case houses the inner case. A first inner discharge port is provided in the inner case, and an outer discharge port is provided in a lower case. A first discharge path from a first position at the first inner discharge port to a second position and a second discharge path from the second position to a third position at the outer discharge port are provided in a space between the inner case and the outer case.

High-Voltage Accumulator for Vehicles

A high-voltage accumulator for vehicles, includes a high-voltage accumulator housing, and at least one accumulator cell which is arranged in the high-voltage accumulator housing and has an emergency degassing opening that opens when a specified accumulator cell internal pressure is exceeded and allows hot gas to exit the interior of the accumulator cell into the interior of the high-voltage accumulator housing. A chamber filled with a phase-changing medium is provided in the region of the emergency degassing opening of the at least one accumulator cell. The chamber is directly or indirectly supplied with hot gas when the hot gas exits the interior of the accumulator cell, whereby heat is input into the phase-changing medium and the phase-changing medium is heated and/or transitions into a high-energy aggregate state.

BATTERY MODULE

The battery module includes: battery stack including a plurality of batteries that are stacked, each of the plurality of batteries having valve portion; duct plate configured to cover a surface of battery stack on which the plurality of valve portions are disposed, duct plate having gas discharge duct that is connected to valve portions of the respective batteries, and temporarily stores a blown-off gas; cover plate placed on duct plate; and flow path portion defined by duct plate and cover plate, flow path portion extending from gas discharge duct in a first direction that intersects with stacking direction and allowing leaking of the gas in gas discharge duct to an outside of battery module. Cover plate has opening through which a midst portion of flow path portion is communicable with the outside of the battery module.

On-board power source device

An on-board power source device comprises power storage modules. In the power storage modules, a plurality of power storage elements are arranged. The power storage module is stacked one upon another. An outlet of a discharge path is provided for discharging gas generated in the respective power storage elements. A frame member extends along the end portion of the power storage modules for fixing the respective upper and lower power storage modules. A bracket locates at the end portion of the power storage modules so as to cover the outlets, for fixing the upper power storage modules to the frame member. The frame member has a discharge space for discharging the gas to the outside of the vehicle. The bracket is provide with a passage part for communicating the outlet of the upper power storage module with the discharge space of the frame member.

POWER SUPPLY DEVICE

A power supply device includes a plurality of batteries and an exterior case. Each battery includes an exhaust valve that opens if an internal pressure becomes higher than a predetermined pressure. The exterior case accommodates the batteries. The exterior case includes a collision-enhancing type gas-releasing path that releases a gas discharged through the exhaust valve to the outside. The collision-enhancing type releasing path includes first and second collision plates. The gas discharged through the exhaust valve collides against the first and second collision plates and is then released to the outside of the exterior case. The first collision plate reflects a flowing direction of the gas discharged through the exhaust valve in collision of the gas against a surface of the first collision plate. The second collision plate faces the first collision plate. 1. A power supply device comprising:a plurality of batteries each including an exhaust valve that opens if an internal pressure becomes higher than a predetermined pressure; andan exterior case that accommodates the batteries and includes a collision-enhancing type releasing path for releasing a gas discharged through the exhaust valve to the outside,the releasing path includinga first collision plate that reflects a flowing direction of the gas discharged through the exhaust valve in collision of the gas against a surface of the first collision plate, anda second collision plate that faces the first collision plate so that the gas discharged through the exhaust valve collides against the first collision plate and against the second collision plates and is then released to the outside of the exterior case.2. The power supply device according to claim 1 ,wherein the releasing path includes inlet and outlet ducts on inlet and outlet sides of the releasing path, respectively,wherein the discharged gas passes through the inlet duct and collides against the surface of the first collision plate, andwherein the ...

BATTERY MODULE

The battery module includes: battery stack including a plurality of batteries that are stacked, each of the plurality of batteries having valve portion; duct plate configured to cover a surface of battery stack on which the plurality of valve portions are disposed, duct plate having gas discharge duct that is connected to valve portions of respective batteries, and temporarily stores a blown-off gas; cover plate placed on duct plate; and flow path portion defined by duct plate and cover plate, flow path portion extending from gas discharge duct and allowing leaking of a gas in gas discharge duct to an outside of battery module. Cover plate is disposed in a state where a predetermined gap is formed between cover plate and first wall portion of gas discharge duct that faces valve portions, and opening that allows an inside of gas discharge duct and the gap to communicate with each other is formed in first wall portion of gas discharge duct. 1. A battery module comprising:a battery stack including a plurality of batteries that are stacked, the plurality of batteries including the plurality of valves through which a gas is blown off;a duct plate configured to cover a surface of the battery stack, the duct plate being disposed the plurality of the valves, the duct plate including a gas discharge duct that extends in a stacking direction of the batteries, is connected to the valves of the batteries, and temporarily stores the gas blown off through the valves;a cover plate placed on the duct plate; anda flow path portion defined by the duct plate and the cover plate, the flow path portion extending from the gas discharge duct in a first direction that intersects with the stacking direction of the batteries and allowing leaking of the gas in the gas discharge duct to an outside of the battery module,wherein the cover plate is disposed in a state where a predetermined gap is configured between the cover plate and a first wall of the gas discharge duct that faces the valves, ...

Battery case

A battery case for mounting under a floor of a vehicle comprises a case body containing a battery module and a cover for closing over an opening of the case body. A reinforcement member for reinforcing the case body is attached to an outer surface of the case body. The case body is provided with a gas circulation hole for letting a gas flow from within the case body into the reinforcement member. The reinforcement member is provided with a gas exhaust port for letting out the gas having flown into the reinforcement member.

DEGASSING DEVICE FOR PREPARING SECONDARY BATTERY

Disclosed is a degassing device for preparing a secondary battery, the degassing device including a piercing chamber configured to accommodate a first amount of degassing target pouches and having an internal space in which a pressure is selectively controlled to a vacuum pressure or an atmospheric pressure, the piercing chamber including a piercing unit configured to form inner gas discharge paths in the first amount of degassing target pouches, a first buffer chamber having an internal pressure maintained as the vacuum pressure and configured to accommodate the first amount of degassing target pouches unloaded from the piercing chamber, a sealing chamber having an internal pressure maintained as the vacuum pressure and having a sealing unit configured to receive the first amount of degassing target pouches accommodated in the first buffer chamber while sequentially receiving a second amount of degassing target pouches smaller than the first amount of degassing target pouches. 1. A degassing device for preparing a secondary battery , the degassing device comprising:a piercing chamber configured to accommodate a first amount of degassing target pouches and having an internal space in which a pressure is selectively controlled to a vacuum pressure or an atmospheric pressure, the piercing chamber including a piercing unit configured to form inner gas discharge paths in the first amount of degassing target pouches;a first buffer chamber having an internal pressure maintained as the vacuum pressure and configured to accommodate the first amount of degassing target pouches unloaded from the piercing chamber;a sealing chamber having an internal pressure maintained as the vacuum pressure and having a sealing unit configured to receive the first amount of degassing target pouches accommodated in the first buffer chamber while sequentially receiving a second amount of degassing target pouches smaller than the first amount of degassing target pouches, the sealing unit ...

BATTERY PACK

In a battery pack, a heat-resistant cap is coupled to an end of a battery block including battery cells each having a discharge valve on an end surface thereof and arranged in plural rows. A valve-side end surface of battery cell is arranged at a first end of the battery block to which heat-resistant cap is coupled. Heat-resistant cap includes closing plate providing a first discharge gap between the closing plate and end surface of the battery block, a peripheral wall coupled to a periphery of closing plate and providing a second discharge gap between the peripheral wall and an outer circumference of the battery block, a partition wall disposed between end surfaces of adjacent battery cells and partitioning the first discharge gap into portions at end surfaces of battery cells. 1. A battery pack comprising:a battery block including a plurality of battery cells arranged in a plurality of rows, each of the plurality of battery cells including a discharge valve provided at an end of the each of the plurality of battery cells, the discharge valve being configured to open when an internal pressure of the each of the plurality of battery cells exceeds a predetermined pressure;a heat-resistant cap coupled to an end of the battery block; anda battery case accommodating the battery block therein, the battery case having an exhaust opening configured to discharge exhaust gas from the discharge valve to an outside of the case, whereina valve-side end surface of the each of the plurality of battery cells at which the discharge valve of the each of the plurality of battery cells is disposed at a first end of the battery block to which the heat-resistant cap is coupled, a closing plate providing a first discharge gap between the closing plate and the battery block end surface;', 'a peripheral wall coupled to a periphery of the closing plate, the peripheral wall providing a second discharge gap between the peripheral wall and an outer circumference of the battery block; and', 'a ...

Secondary Battery and Battery Pack Including the Same

According to one aspect of the present invention, the secondary battery includes: a waterproof part configured to surround at least a portion of a circumference of the electrode assembly so that a gas within the exterior passes through the waterproof part, but a liquid within the exterior does not pass through the waterproof part; and a vent part provided in an inner surface of the exterior to provide a path through which the gas within the exterior is discharged to the outside when an internal pressure of the exterior exceeds a certain value.

Battery module having a cell tray with thermal management features

A battery module includes a plurality of electrochemical cells and a structure including an upper portion configured to support a bottom portion of each of the plurality of electrochemical cells and a lower portion coupled to the upper portion. The lower portion includes a thermal management feature having at least one passage provided therein. The passage is configured for a thermal management fluid to pass therethrough to provide thermal management to the electrochemical cells of the battery module

BATTERY PACK

A battery pack may include a plurality of battery cells, a cell holder which holds the plurality of battery cells, and a casing which houses the cell holder. Each of the plurality of battery cells may have a substantially cylindrical shape and have a longitudinal direction in a front-rear direction. The plurality of battery cells may be arranged side by side in a left-right direction and an up-down direction. The cell holder may include an inner air supply opening which is defined in a surface facing the plurality of battery cells in a first direction orthogonal to the front-rear direction and an inner exhaust opening which is defined in a surface facing the plurality of battery cells in the front-rear direction. The casing may include an outer air supply opening and an outer exhaust opening which is defined in a surface facing the inner exhaust opening of the cell holder. 1. A battery pack comprising:a plurality of battery cells;a cell holder which holds the plurality of battery cells; anda casing which houses the cell holder;wherein each of the plurality of battery cells has a substantially cylindrical shape and has a longitudinal direction in a front-rear direction,the plurality of battery cells is arranged side by side in a left-right direction and an up-down direction, an inner air supply opening which is defined in a surface facing the plurality of battery cells in a first direction orthogonal to the front-rear direction and through which air flows from outside to inside the cell holder; and', 'an inner exhaust opening which is defined in a surface facing the plurality of battery cells in the front-rear direction and through which air flows from inside to outside the cell holder, and, 'the cell holder includes an outer air supply opening through which air flows from outside to inside the casing; and', 'an outer exhaust opening which is defined in a surface facing the inner exhaust opening of the cell holder and through which air flows from inside to outside ...

Snap-in extensions and guide walls for bus bar bridges of a battery module

The present disclosure includes a battery module having a group of electrically interconnected electrochemical cells, a battery module terminal configured to be coupled to a load for powering the load, and an electrical path extending between the group of electrically interconnected electrochemical cells and the battery module terminal, where the electrical path includes a bus bar bridge. The battery module also includes a housing, where the group of electrically interconnected electrochemical cells is disposed within the housing, and the housing includes a pair of extensions positioned along sides of the bus bar bridge and configured to retain the bus bar bridge and to block movement of the bus bar bridge in at least one direction.

Circuitry harness and pass through for lead wires of a battery module

The present disclosure includes a battery module having a housing, electrochemical cells disposed in the housing and electrically coupled together via bus bars, two or more sensors in electrical communication with the bus bars, and two or more leads corresponding with the two or more sensors and extending away from the two or more sensors. The battery module also includes a bundle mechanism that bundles the two or more leads together in a bundle, and a pass through sized and positioned to accommodate the bundle of two or more leads passing therethrough from a first side of the housing proximate which the bus bars are disposed to a second side of the housing. The battery module also includes a printed circuit board (PCB) disposed on the second side of the housing and configured to receive the bundle of two or more leads.

MOTOR VEHICLE TRACTION BATTERY MODULE

A motor vehicle traction battery module includes a rigid battery module housing having at least one battery element. The battery module housing has at least one planar and liquid-cooled housing. The liquid-cooled housing wall has at least one continuously linear coolant cooling channel and at least one continuously linear empty channel, which is parallel thereto and through which there is no liquid flowing. The liquid-cooled housing wall has a contact-making opening, by means of which exclusively the empty channel is interrupted, and wherein an electrical terminal element is arranged in the region of the contact-making opening, with electrical contact being made with at least one battery element by means of said electrical terminal element. 1. A motor vehicle traction battery module comprising:a rigid battery module housing having at least one planar and liquid-cooled housing wall,at least one battery element positioned within an interior of the housing,wherein the liquid-cooled housing wall has (i) at least one continuously linear coolant cooling channel and (ii) at least one continuously linear empty channel that is parallel to the continuously linear coolant cooling channel and through which no liquid flows,wherein the liquid-cooled housing wall has a contact-making opening, by way of which exclusively the empty channel is interrupted, andwherein an electrical terminal element is arranged in the region of the contact-making opening, with electrical contact being made with at least one battery element by said electrical terminal element.2. The motor vehicle traction battery module as claimed in claim 1 , further comprising at least two battery elements that electrically contact the electrical terminal element.3. The motor vehicle traction battery module as claimed in claim 1 , wherein the battery module housing has a separating wall that is arranged in the interior of the housing between two battery elements of the at least one battery element.4. The motor vehicle ...

Battery-affixing frame member, battery-affixing member, and electricity storage device

A battery-affixing frame member includes a body plate section and duct-forming members. The duct-forming members are affixed to one surface side of the body plate section and are combined with the body plate section to form gas discharge ducts. The gas discharge ducts are used to discharge gas discharged from the inside of battery modules. The battery-affixing frame member is used to form a battery-affixing member for integrally affixing the battery modules together, the battery modules being arranged on the other surface side of the body plate section.

Method and apparatus for assembling cells in a battery pack to control thermal release

A battery pack includes one or more battery cells disposed in a barrier structure that forms a flow channel to direct venting material from a battery cell experiencing a fault condition out of the battery pack in a way that allows expansion of the vented gas before it exits the battery pack. Where two or more battery cells are included in the battery pack, the barrier structure electrically and thermally insulates them from each other so that in the event of a battery cell venting, it will not affect other battery cells and cause a thermal runaway condition.

Vehicular lead storage battery and vehicle equipped therewith

A vehicular lead storage battery according to the present invention includes a battery container provided with at least one cell chamber; and a cover plate 1 for covering an upper opening of the battery container. A guide path 8 for discharging gases within a cell chamber to the outside is formed in the cover plate 1 . The guide path 8 includes a first guide portion 9 B for horizontally guiding gases from the cell chamber; a second guide portion 9 C connected to the first guide portion 9 B to downwardly guide the gases from the first guide portion 9 B; and a third guide portion 10 A connected to the second guide portion 9 C to horizontally guide the gases from the second guide portion 9 C and discharge the gases from an exhaust vent 4 K formed in the cover plate 1 to the outside. A corner portion 9 K is formed by the first guide portion 9 B and the second guide portion 9 C, and a corner portion 10 K is formed by the second guide portion 9 C and the third guide portion 10 A. The guide path 8 is formed so that the angle θ of a straight line L having internal contact with the two corner portions 9 K and 10 K from a horizontal line is greater than the maximum angle of inclination at which the inclined angle of a vehicle is maximum during driving on a sloping ground.

EXPLOSION-PROOF APPARATUS

An explosion-proof apparatus includes a frame having a hollow shape; a gas supply device configured to maintain inside of the frame at pressure higher than certain pressure by supplying gas to the inside; an electrical component disposed inside the frame; a battery configured to supply power to the electrical component; a protective device configured to stop power supply from the battery to the electrical component; a battery housing enclosure being an increased-safety explosion-proof enclosure configured to house the battery therein; and a protective device housing enclosure being a flameproof explosion-proof enclosure configured to house the protective device. The battery does not include a management device that manages parameters of the battery. 1. An explosion-proof apparatus comprising:a frame having a hollow shape;a gas supply device configured to maintain inside of the frame at pressure higher than certain pressure by supplying; gas to the inside;an electrical component disposed inside the frame;a battery configured to supply power to the electrical component;a protective device configured to stop power supply from the battery to the electrical component;a battery housing enclosure being an increased-safety explosion-proof enclosure configured to house the battery therein; anda protective device housing enclosure being a flameproof explosion-proof enclosure configured to house the protective device, whereinthe battery does not include a management device that manages parameters of the battery.2. The explosion-proof apparatus according to claim 1 , wherein the battery housing enclosure includes a fixation part that fixes the battery to inside of the battery housing enclosure claim 1 , the fixation part being provided at a position such that a distance between the battery fixed and an outer circumference of the battery housing enclosure is a certain distance.3. The explosion-proof apparatus according to claim 2 , wherein the certain distance is a distance ...

Battery cell of venting structure using taping

A battery cell of a venting structure using taping is disclosed. The battery cell has an electrode assembly configured to have a structure in which a separator is interposed between a positive electrode and a negative electrode, mounted in a battery case. The battery cell includes a battery case including a first case and a second case, at least one of the first and second cases being provided with a receiving part for receiving the electrode assembly, thermally bonded edges for sealing the receiving part being provided outside the receiving part, a positive electrode lead and a negative electrode lead protruding outward from the battery case, and an electrode assembly received in the battery case, the electrode assembly having electrode tabs protruding from one end thereof, the electrode tabs being coupled to the positive electrode lead and the negative electrode lead, wherein seal reinforcement tapes are attached to some of the thermally bonded edges so as to surround outer ends of the some thermally bonded edges such that gas generated in the receiving part during charge and discharge of the battery cell is discharged out of the receiving part through a venting guide part located at the remainder of the thermally bonded edges to which the seal reinforcement tapes are not attached.

Battery Cell of Venting Structure Using Taping

A battery cell of a venting structure using taping is disclosed. The battery cell includes a battery case including a first case and a second case, at least one of the first and second cases being provided with a receiving part for receiving the electrode assembly, thermally bonded edges for sealing the receiving part being provided outside the receiving part, a positive electrode lead and a negative electrode lead protruding outward from the battery case, and an electrode assembly received in the battery case, the electrode assembly having electrode tabs protruding from one end thereof, the electrode tabs being coupled to the positive electrode lead and the negative electrode lead, wherein seal reinforcement tapes are attached to some of the thermally bonded edges so as to surround outer ends of the some thermally bonded edges.

Battery cover for retention of dielectric fluid

A battery cover includes a sealing member configured to provide a fluid-tight sealing member with a battery casing. The sealing member has a top surface and a bottom surface. A vent aperture is formed through the sealing member. A condensation chamber is disposed adjacent the bottom surface of the sealing member and is fluidly coupled to the vent aperture via an outlet. The condensation chamber receiving a flow of a fluid therethrough.

Interconnected battery module systems, assemblies and methods

An interconnected battery module comprises an enclosure and a plurality of cells. The interconnected battery module may be configured to be electrically and physically coupled to an adjacent interconnected battery module without wires or wiring harnesses. A battery system with the interconnected battery modules may manage a thermal runaway event within one of the interconnected battery modules by preventing propagation to a remainder of interconnected battery modules.

Rechargeable battery

The described technology has been made in an effort to provide a rechargeable battery having advantages of protecting an electrode assembly and a case from arc debris generated from a cell fuse. A rechargeable battery in accordance with exemplary embodiment includes: an electrode assembly configured to perform charging and discharging operations; a case configured to accommodate the electrode assembly therein; a cap plate coupled to an opening of the case; an electrode terminal installed on the cap plate; a lead tab configured to connect the electrode assembly to the electrode terminal, and including a fuse; and a side retainer supported in an inner surface of the case to be coupled to the lead tab. The side retainer includes an exhaust guide member that is opened toward the cell fuse and a sidewall of the case.

Battery module and battery pack

A battery module includes a cell module including a plurality of battery cells, a smoke exhaust duct protruding from an electrode arrangement surface of the cell module and extending along an alignment direction of the plurality of battery cells, and a circuit board arranged so as to cover the smoke exhaust duct and the electrode arrangement surface. The circuit board is arranged in an inclined state to be non-parallel to the electrode arrangement surface.

Battery pack

Provided is a battery pack. The battery pack includes: a battery cell including a cell vent; frames arranged together with the battery cell in a direction and coupled together to face each other with the battery cell therebetween, the frames including guide ribs surrounding the cell vent; and a top cover arranged above the frames to cover the frames and including a protruding barrier wall surrounding the guide ribs. According to the present disclosure, the battery pack has an improved vent structure to rapidly discharge gas generated in an abnormal battery cell to the outside of the battery pack.

Power source device

In order to allow gas discharged from a pouch cell to be guided to a predetermined position, a power source device includes one or a plurality of pouch cells ( 10 ) having laminated film outer casing ( 11 ), and a housing member ( 20 ) enclosing the one or multiple pouch cells ( 10 ). The one or plurality of pouch cells (10) each includes thermally welded portion ( 13 ) formed by thermally welding the laminated film, and gas discharge portion ( 14 ) provided in at least a part of thermally welded portion ( 13 ). Housing member ( 20 ) includes exhaust port ( 22 ) communicating with gas discharge portion ( 14 ) of one or a plurality of pouch cells ( 10 ).

Battery pack

A battery pack includes multiple sub-modules each of which includes multiple battery cells electrically connected to each other, and an exhaust duct that is provided between and integrated with at least the two battery modules facing each other. The exhaust duct includes therein an exhaust passage that communicates with an outer surface of a safety valve provided in each battery cell in each of the facing battery modules.

Top Cap for Secondary Battery, Secondary Battery, and Method for Manufacturing the Secondary Battery

A top cap for a secondary battery includes a circumferential area which defines an outer circumferential surface of the top cap, a central area which defines a central portion of the top cap, a connection area which connects the circumferential area to the central area, and a protrusion area which protrudes downward from the circumferential area, the central area, or the connection area. The top cap is assembled with a battery case, an electrode assembly positioned therein, and a through-hole formation member to form a secondary battery, in which at least a portion of the protrusion area of the top cap is positioned within a through-hole of the through-hole formation member.

Gas release valve

배터리 셀의 접근포트에 장착되는 가스 배출 밸브는 상부측이 뚜껑(14)에 의해 닫히는 반면 하부측은 배터리 셀 내부로 안내되는 개구(42)를 갖는 하우징(26)을 포함하고, 상기 개구(42)는 탄성 밀봉 요소(38)에 의해 닫히는 가스제거 통로를 통해, 상기 뚜껑(14) 내에 제공되는 하나 이상의 통기구멍(46)과 연통한다. 상기 탄성 밀봉 요소(38)는 미리 장착된 비복원 요소이고, 상기 비복원 요소의 내부면은, 자신의 탄성에 의해서 또한 상기 통기구멍(46)을 통해 상기 밀봉요소(38)의 외부면에 대하여 작용하는 증가하는 외부 압력에 의해 상기 하우징(26) 내에 제공되는 시트(36)와 밀봉식으로 접촉하게 된다.  The gas discharge valve mounted to the access port of the battery cell comprises a housing 26 having an opening 42 which is guided into the battery cell while the upper side is closed by a lid 14, the opening 42. Is in communication with one or more vent holes 46 provided in the lid 14 through a degassing passage closed by the elastic sealing element 38. The resilient sealing element 38 is a pre-mounted non-restored element, the inner surface of the non-restored element relative to the outer surface of the sealing element 38 by its elasticity and through the vent hole 46. The increasing external pressure acting causes a sealing contact with the seat 36 provided in the housing 26. 밸브, 배터리 셀, 뚜껑, 개구, 밀봉 요소 Valve, battery cell, lid, opening, sealing element

전지 팩

외부로부터의 물의 침입을 확실하게 방지함과 동시에 전지에서 가스가 발생하면 안전하게 외부로 가스를 방출하는 전지 팩을 제공한다. 전지 팩은, 리튬이온 이차 전지인 복수의 소전지와, 소전지에 인접하고, 이 소전지에서 발생하는 가스를 통과시키는 배기 경로부와, 복수의 소전지와 배기 경로부를 수납하는 케이스와, 케이스에 장착되어 배기 경로부를 통과한 가스를 외부로 방출하는 가스 배출 덕트(42)를 구비하며, 가스 배출 덕트는, 출구(44) 또는 배출 경로의 도중에 방수 부재로 이루어진 덮개부(51)가 배치되어, 이 덮개부에 의해 밀폐되며, 덮개부를 개봉하여 가스 배출 덕트를 개통시키는 개통 부재(61)를 더 구비하고, 개통 부재는 소전지에서 발생하는 가스에 의해 작동된다.

배터리, 전기사용장치, 배터리의 제조방법 및 장치

본 출원의 실시예는 배터리, 전기사용장치, 배터리의 제조방법 및 장치를 제공한다. 상기 배터리는, 배터리 셀의 제1벽에 설치되어, 상기 배터리 셀의 내부 압력 또는 온도가 임계치에 도달 시 작동하여 상기 내부 압력을 방출하기 위한 압력방출수단을 포함하는 배터리 셀; 상기 배터리 셀의 온도를 조절하는 유체를 수용하기 위한 열관리부재;를 포함하며; 여기서, 상기 열관리부재의 제1 표면은 상기 배터리 셀의 상기 제1벽에 부착되고, 상기 열관리부재는 상기 압력방출수단이 작동 시 상기 배터리 셀 내부로부터 배출되는 배출물에 의해 파괴될 수 있도록 구성됨으로써, 상기 배출물이 상기 열관리부재를 관통하여 지날 수 있다. 본 출원의 실시예의 기술방안은 배터리의 안전성을 강화시킬 수 있다.

Secondary Battery and Manufacturing Method thereof

파우치 외장재를 구비하는 이차전지 및 이차전지의 제조방법이 제공된다. 이차전지는 세퍼레이터를 개재한 양극판과 음극판, 및 양극판과 음극판에 그 일단이 각각 연결되는 양극탭과 음극탭을 구비하는 전지조립체와, 양극탭과 음극탭의 타단들이 외부로 인출되도록 전지조립체를 수용하며 적어도 2회 실링된 실링부가 구비된 외장재를 포함한다. 실링부는 외장재의 일정 내압에서 파단되도록 1차 실링되고, 전지의 에이징 후 일정 내압에서 파단되어 내부 가스를 방출하며, 내부 가스의 방출 후 2차 실링된다. Provided are a secondary battery having a pouch exterior material and a method of manufacturing the secondary battery. The secondary battery accommodates a battery assembly including a positive electrode plate and a negative electrode plate through a separator, and a positive electrode tab and a negative electrode tab connected at one end to the positive electrode plate and the negative electrode plate, and the other end of the positive electrode tab and the negative electrode tab is drawn out to the outside. And an exterior member provided with a sealing portion that is sealed at least twice. The sealing part is first sealed to break at a predetermined internal pressure of the exterior member, and breaks at a predetermined internal pressure after aging of the battery to release the internal gas, and after the discharge of the internal gas, the second seal. 파우치, 폴리머, 이차전지, 가스통로부, 2차 실링, 에이징, 내압, 파단 Pouch, Polymer, Secondary Battery, Gas Pathway, Secondary Sealing, Aging, Internal Pressure, Breaking

Battery pack

본 발명은 안전성을 향상시킬 수 있는 배터리 팩에 관한 것이다. 본 발명에 의하면, 기체가 배출되는 벤트부를 가지며 일방향으로 정렬된 복수개의 배터리 셀로 구성된 적어도 하나의 배터리 모듈, 상기 배터리 모듈을 수용하며, 차량 내부 공기의 유입구 및 배출구를 구비한 하우징 및 상기 유입구에 설치되는 유입구 개폐장치를 포함하는 배터리 팩이 제공된다. The present invention relates to a battery pack capable of improving safety. According to the present invention, at least one battery module comprising a plurality of battery cells arranged in one direction and having a vent portion through which gas is discharged, a housing accommodating the battery module, the housing having an inlet and an outlet of air in the vehicle and installed in the inlet Provided is a battery pack including an inlet opening and closing device.

A battery pack containing a secondary battery and its secondary battery

Battery module comprising an exhaust duct isolated from a cooling duct

A battery module includes a partition wall to separate an upper space from a lower space, a first plate that defines the upper space together with the partition wall, and a second plate that is disposed above the first plate such that a gap is left between the first and second plates. A case has an opening that is formed to let the gap communicate with an outside of the case. The first plate has a through hole through which the upper space and the gap communicate. The battery module further includes a through path passing through the partition wall and each of the plates to let the lower space communicate with a space above the second plate. The upper space and the gap constitute an exhaust duct, while the lower space and a top space constitute a cooling duct.

Battery module and battery pack using the same

Battery module

배터리 모듈이 개시된다. 개시된 배터리 모듈은, 배터리 어레이 내 제1 방향으로 배열되는 복수의 배터리 셀들을 포함하는 배터리 모듈에 있어서, 복수의 배리어들-상기 배리어들 중 인접하는 한 쌍의 배리어들은 그들 사이에 배터리 셀을 장착함-; 및 적어도 한 쌍의 마주보는 프레임 부재들을 포함하는 프레임-상기 배터리 어레이 및 상기 배리어들은 상기 마주보는 프레임 부재들 사이에 존재하고 그것들의 내부로 배치됨-;을 포함하되, 상기 프레임은, 상기 배터리 어레이의 최외곽 측면들에 위치하는 한 쌍의 엔드 블록들; 상기 엔드 블록들을 연결하는 측면 프레임들; 및 상기 복수의 배터리 셀들 각각의 벤트부들 위에 놓이고, 상기 배터리 셀들로부터 배출된 가스를 상기 배터리 모듈 밖으로 안내하는 통로를 제공하는 디개싱부-상기 디개싱부는 상기 프레임 내에 상기 배터리 어레이의 배터리 셀들 및 배리어들을 견고하게 지지함-;를 포함한다. 본 발명에 따르면 측면 프레임, 엔드 블록 및 금속 재질의 디개싱부를 이용하여 배터리 모듈의 외골격을 형성하도록 함으로써 배터리 모듈의 전체적인 구조적 강성을 향상시킬 수 있다. The battery module is started. The disclosed battery module is a battery module including a plurality of battery cells arranged in a first direction in a battery array, wherein a plurality of barriers-a pair of adjacent barriers among the barriers mount a battery cell therebetween. -; And a frame including at least a pair of facing frame members-the battery array and the barriers are present between and disposed within the facing frame members-, wherein the frame comprises: A pair of end blocks positioned on the outermost sides; Side frames connecting the end blocks; And a degassing unit disposed on the vents of each of the plurality of battery cells and providing a passage for guiding the gas discharged from the battery cells out of the battery module.- The degassing unit includes battery cells and barriers of the battery array in the frame. Including; to firmly support them. According to the present invention, the overall structural rigidity of the battery module can be improved by forming the exoskeleton of the battery module by using the side frame, the end block, and the degassing part made of a metal material.

Battery connecting member and battery module using same

一种对多个电池进行并联连接(29)的电池连接构件(25)，其具有主导电路径部(25a)、以及分别连接主导电路径部(25)和多个电池(29)的一个极的多个连接端子(25b)，连接端子(25b)具有在规定值以上的电流流过时熔断的保险丝部(25c)。用电池连接构件(25)并联连接多个电池(29)时，保险丝部(25c)配置在电池(29)和主导电路径部(25)之间的空间中。

Electric accumulator battery

Electric accumulator battery, which comprises a receptacle ( 1 ) with cover, of a size which fits in the compartment traditionally reserved for this purpose in a motor vehicle. This receptacle is subdivided internally into a series of cells ( 2 ) that are distributed in two or more parallel rows between which are formed intermediate ventilation ducts ( 3 ), which are open to the outside through the bottom and the cover.

Electric accumulator battery

Lead storage battery and method for manufacturing lead storage battery lid member

Pouch type secondary battery having safety vent

본 발명은 미리 정해진 방향으로만 가스를 배출하는 안전 벤트를 갖는 파우치형 이차전지에 관한 것으로서, 본 발명의 바람직한 실시예에 따른 파우치형 이차전지는: 전극 조립체; 및 상기 전극 조립체를 수용하며, 가장자리에 형성된 씰링부를 갖는 파우치형 케이스;를 구비하며, 상기 씰링부는: 폐곡선을 이루며 상기 전극 조립체를 외부와 차단하는 내부 씰링부; 및 상기 내부 씰링부와의 사이에 가스 유로를 형성하면서 상기 내부 씰링부의 외곽을 둘러싸고 안전 벤트를 갖는 외부 씰링부;를 포함한다.

Closed battery container having high volume rapid venting feature

A closed battery container having walls defining an interior which is subjected to one of a first and a second pressure, the first pressure much lower than the second pressure. The closed container includes a highly rigid panel at least partially forming one of the container walls, the panel having an interior surface exposed to the interior of the container, and an opposite, exterior surface. One of the interior and exterior panel surfaces is provided with a groove having substantially parallel first and second groove segments, the first and second groove segments laterally spaced, and a third groove segment extending between the first and second groove segments. The panel has a first portion which lies on one side of the third groove segment, and a second portion which lies on the opposite side of the third groove segment, the first and second panel portions integrally connected across the third groove segment at the first container interior pressure, whereby the panel is in an unruptured state. The first and second panel portions are integrally disconnected across the third groove segment in response to the container interior being at the second container interior pressure, whereby the panel is in a ruptured state.

lead acid battery

Interconnected battery module systems, assemblies, and methods

公开了一种互连电池模块，该互连电池模块包括壳体和多个电池单元。该互连电池模块可被配置为在没有导线或布线束的情况下电和物理耦接到相邻互连电池模块。具有该互连电池模块的电池系统可通过防止向其余互连电池模块的传播来管理在该互连电池模块中的一个互连电池模块内的热失控事件。

Rechargeable battery

본 발명의 일 실시예에 따른 이차 전지는 안전성을 향상시킬 수 있도록 충전과 방전을 수행하는 전극군과, 상기 전극군이 내장되는 케이스와, 상기 케이스의 개구에 결합되는 캡 플레이트와, 상기 캡 플레이트에 고정 설치되며 압력의 상승에 따라 개방되는 벤트부재와, 상기 캡 플레이트의 외측으로 노출된 단자와 상기 캡 플레이트의 아래에서 상기 단자와 상기 캡 플레이트를 절연하는 하부 절연부재를 포함하는 캡 어셈블리, 및 상기 전극군과 상기 캡 플레이트 사이에 설치되어 공간을 형성하는 채널부재를 포함하고, 상기 채널부재는 상기 하부 절연부재에는 고정된다. 이차 전지, 채널부재, 차단판, 이격판, 지지 돌기, 고정 홈

Secondary battery

본 발명은 가스 배출이 용이하고 고열에서 파단되지 않는 절연판을 구비한 이차 전지 이차 전지를 제공한다. 이를 위해 본 발명은 개구부를 통해 내부에 공간을 구비하는 케이스; 상기 케이스의 공간에 삽입되는 적어도 하나의 전극 조립체; 상기 전극 조립체의 상부에 형성된 절연판; 및 상기 케이스의 개구부에 결합되고, 적어도 일 영역에 타영역에 비해 얇은 두께로 형성된 벤트를 포함하는 캡 플레이트를 포함하고, 상기 절연판은 상기 벤트에 대응되는 영역에 구비된 복수의 가스 배출홀을 포함하는 이차 전지를 개시한다. The present invention provides a secondary battery having an insulating plate that is easy to discharge gas and does not break at high heat. To this end, the present invention provides a case having a space therein through an opening; at least one electrode assembly inserted into the space of the case; an insulating plate formed on the electrode assembly; and a cap plate coupled to the opening of the case and including a vent formed in at least one region to have a thinner thickness than that of another region, wherein the insulating plate includes a plurality of gas discharge holes provided in regions corresponding to the vents A secondary battery is disclosed.

Battery module

电池模块(10)具备：隔壁部(20)，隔离上侧空间(60)和下侧空间(70)；第1板(40)，与隔壁部(20)一起划定上侧空间(60)；以及第2板(50)，在与第1板(40)之间隔着间隙(61)设置于第1板(40)的上方。在外壳(14)形成使间隙(61)与外壳(14)的外部连通的开口部，在第1板(40)形成使上侧空间(60)和间隙(61)连通的贯通孔(41)。电池模块(10)具备贯通隔壁部(20)以及各板从而使下侧空间(70)和第2板(50)上的空间连通的贯通路(51)，上侧空间(60)以及间隙(61)构成排气管道，下侧空间(70)以及上部空间(71)构成冷却管道。

Lithium secondary battery

본 발명의 예시적인 실시예에 따른 리튬 이차 전지는 양극 및 상기 양극과 대향하는 음극을 포함하는 전극 조립체; 상기 전극 조립체가 수용되고 일면이 개방된 케이스; 및 상기 케이스의 개방된 일면과 결합되며, 압력 측정부를 포함하는 캡 플레이트를 포함할 수 있다. 따라서, 기존에 실제 데이터가 없는 상황에서 각 부품에서 측정한 압력 결과로만 유추하던 결과에 비하여 실제 이차 전지의 거동 수준에서 측정을 통한 정확한 데이터값을 도출할 수 있다.

Cylindrical battery

Battery Cell of Venting Structure Using Taping

본 발명은 테이핑을 이용하는 벤팅 구조의 전지셀에 관한 것으로, 더욱 상세하게는 양극과 음극 사이에 분리막이 개재되어 있는 구조의 전극조립체가 전지케이스에 내장되어 있는 전지셀로서, 제 1 케이스 및 제 2 케이스로 이루어져 있고, 상기 제 1 케이스와 제 2 케이스 중의 적어도 하나에 전극조립체의 장착을 위한 수납부가 형성되어 있으며, 상기 수납부의 밀봉을 위해 수납부의 외주 부위에 열융착 외주부들이 형성되어 있는 전지케이스; 상기 전지케이스의 외부로 각각 돌출되어 있는 양극리드 및 음극리드; 및 상기 전지케이스에 수납되며 일측 단부로부터 돌출되어 있는 전극 탭들이 양극리드 및 음극리드에 결합되어 있는 구조의 전극조립체;를 포함하고 있으며, 상기 열융착 외주부들 중의 일부에는 그것의 외주 단부를 감싸는 형태로 밀봉 강화 테이프가 부착되어 있어서, 전지셀의 충방전시 수납부의 내부에서 발행한 가스가 밀봉 강화 테이프가 부착되어 있지 않은 벤팅 유도부의 열융착 외주부를 통해 수납부의 외부로 배출되는 것을 특징으로 하는 전지셀을 제공한다. The present invention relates to a battery cell having a venting structure using taping, and more particularly, a battery cell in which an electrode assembly having a structure in which a separator is interposed between an anode and a cathode is embedded in a battery case, the first case and the second case. A battery made of a case, wherein a storage portion for mounting the electrode assembly is formed in at least one of the first case and the second case, and heat-sealed outer peripheral portions are formed in an outer peripheral portion of the storage portion for sealing the storage portion. case; An anode lead and a cathode lead protruding to the outside of the battery case, respectively; And an electrode assembly having a structure in which electrode tabs accommodated in the battery case and protruding from one end are coupled to an anode lead and a cathode lead, and some of the heat-sealed outer circumferential parts surround their outer circumferential ends. Since the sealing sealing tape is attached, the gas emitted from the inside of the storage portion during charging and discharging of the battery cell is discharged to the outside of the storage portion through the heat-sealed outer periphery of the venting induction portion to which the sealing reinforcement tape is not attached. To provide a battery cell.

Electrical device with film covering, frame member, and housing system for electrical device with film covering

根据本发明的层叠电池包括电产生元件(2)和布置为围绕电产生元件(2)的层叠膜(7)。层叠电池(1)设置有框架部件(10)，该框架部件(10)围绕和容纳电产生元件(2)，并且具有厚度大于电产生元件(2)的厚度的第一部分(10f)。

Secondary battery

본 발명은, 크러시 또는 충격 등에 의하여 압력을 받는 환경에서 폭발하는 것을 방지함으로써, 안정성과 신뢰성을 확보할 수 있는 이차 전지에 관한 것이다. 본 발명은, 제1 전극판, 세퍼레이터 및 제2 전극판을 포함하는 전극 조립체; 상기 전극 조립체가 수용되는 케이스; 상기 케이스 내부에서 상기 전극 조립체의 제1 전극판 및 제2 전극판에 각각 전기적으로 접속된 제1 집전부 및 제2 집전부; 및 상기 제1 집전부와 상기 제2 집전부 사이에 배치되어 외부로부터 가해지는 압력에 의하여 상기 제1 집전부와 상기 제2 집전부를 전기적으로 단락시키는 단락 유도 부재를 구비하는 이차 전지를 제공한다. The present invention relates to a secondary battery capable of ensuring stability and reliability by preventing explosion in an environment subjected to pressure due to a crush or an impact. The present invention provides an electrode assembly comprising a first electrode plate, a separator, and a second electrode plate; A case accommodating the electrode assembly; A first current collector and a second current collector electrically connected to a first electrode plate and a second electrode plate of the electrode assembly in the case; And a short circuit inducing member disposed between the first current collector and the second current collector to electrically short the first current collector and the second current collector by a pressure applied from the outside. .

Lead-acid battery

Battery module

The invention relates to a battery module (1), comprising a housing (2), at least one battery (3) disposed in the housing (2), said battery having a degassing valve (25), at least one first degassing channel (14) for receiving substances released by the battery (3), and at least one second degassing channel (15) for receiving substances released by the battery (3), wherein the at least one first degassing channel (14) and the at least one second degassing channel (15) are connected in a fluid-conducting manner to one another by at least one connecting channel.

MODULE WITH A CONTAINMENT BOX FOR A MODULAR ELECTRIC BATTERY FOR AIRCRAFT AND MODULAR ELECTRIC BATTERY FOR AIRCRAFT

La présente invention concerne une batterie électrique modulaire (20) pour aéronef comportant plusieurs modules (10) de stockage et de fourniture d'énergie électrique agencés à l'intérieur d'un boîtier (21), au moins deux bornes électriques (25) et un système de dégazage (24). Chaque module (10) comporte notamment une pluralité de cellules électrochimiques (11) reliées électriquement entre elles et agencées à l'intérieur d'un caisson de confinement (12). Ledit système de dégazage (24) comporte un orifice commun de sortie (45) agencé dans ledit boîtier (21) et des conduites de dégazage (46) reliant ledit orifice commun de sortie (45) à un orifice de dégazage (41) agencé dans ledit caisson de confinement (12) de chaque module (10) et muni d'un premier dispositif anti-retour (42). De plus, ledit caisson de confinement (12) de chaque module (10) est configuré de sorte que des flammes à l'intérieur dudit caisson de confinement (12) ne se propagent pas à l'extérieur dudit caisson de confinement (12). The present invention relates to a modular electric battery (20) for aircraft comprising several modules (10) for storing and supplying electrical energy arranged inside a housing (21), at least two electrical terminals (25) and a degassing system (24). Each module (10) comprises in particular a plurality of electrochemical cells (11) electrically connected to each other and arranged inside a confinement box (12). Said degassing system (24) comprises a common outlet orifice (45) arranged in said housing (21) and degassing pipes (46) connecting said common outlet orifice (45) to a degassing orifice (41) arranged in said containment box (12) of each module (10) and provided with a first non-return device (42). In addition, said containment box (12) of each module (10) is configured so that flames inside said containment box (12) do not propagate outside of said containment box (12).

Explosion-proof safety structure for column shape lithium battery

The present invention relates to an explosion-proof safety structure for column shape lithium battery, particularly relates to a safe and explosion-preventing structure which prevents the battery from ignition or explosion caused by the condition of overcharging described as follows: while the lithium battery is under overcharging condition, a sudden rise of the battery internal temperature takes place and the pressure increases; at the beginning of the sudden rise of temperature, the internal resistance value of the positive temperature coefficient of resistivity board redoubles to slow down the input of current; when the temperature keeps on rising, the electrolyte starts to gasify so as to increase the internal pressure of the battery up to a level which exceeds what the breaker sheet thin portion can take, the thin portion of the breaker sheet breaks to cause an open charging circuit and the charging activity stops; however, the battery internal pressure can not be released, which once exceeds the break pressure of the safety valve, the safety valve explodes to release the pressure.

Battery module and battery pack using the same

The battery module includes: a plurality of batteries; a housing 50 in which the plurality of batteries are aligned and stored; and a cooling pipe 70 provided along the plurality of batteries in the housing 50 , the cooling pipe 70 being filled with a cooling medium, wherein the cooling pipe 70 is made of a material which melts when the temperature of the battery reaches or exceeds a predetermined temperature.

Secondary battery

본 발명은 제1 및 제2 극판과, 상기 극판들 사이에 개재되는 세퍼레이터를 포함하는 전극 조립체; 및 상기 전극 조립체를 수용하는 전지 케이스;를 포함하고, 상기 전극 조립체는 상기 세퍼레이터의 말단부가 가스 배출 방향을 향하도록 수용되는 이차 전지에 관한 것이다. The present invention provides an electrode assembly including first and second electrode plates and a separator interposed between the electrode plates; And a battery case accommodating the electrode assembly, wherein the electrode assembly relates to a secondary battery accommodated such that an end portion of the separator faces a gas discharge direction.

Secondary battery module available for easy gathering and discharging of gas

본 발명은 두 개의 전지셀들을 케이스에 수용하여 밀폐하고 전지셀들의 전극체가 형성된 부분에 가스 포집부가 형성된 연결 몰드를 형성하고, 상부캡으로 연결 몰드 및 전지셀들의 전극체가 형성된 파우치 외측을 감싸 케이스에 결합하여, 스웰링(swelling) 현상에 의해 전지셀들에서 발생하는 가스를 전지셀 사이 및 전극탭 사이의 공간에 포집하여 이를 지정된 외부 경로로 배출할 수 있도록 하는 가스 포집 및 배출이 용이한 이차전지모듈에 관한 것이다.

Lead-acid Battery

本发明涉及铅蓄电池，抑制液滴(V)的泄漏。铅蓄电池(10)具备发电元件(30)、电解液(W)、收纳所述发电元件和所述电解液的电槽(20)、以及盖部件(50)，该盖部件将所述电槽封口，且形成有与外部连通的排气空间(R)、和使所述排气空间与所述电槽内连通的筒部件(T)，所述排气空间的底面以使空间内的液体向所述电槽内回流的方式倾斜，所述筒部件具有沿着所述筒部件的延伸方向隔开间隔地配置的多个遮蔽体(84B、84D)，通过所述多个遮蔽体之间而使所述电槽内与所述排气空间连通。

Battery module with a structure to break a connector using venting gas

본 발명의 일 실시예에 따른 배터리 모듈은, 전극 리드를 구비하며 서로 대면하여 적층되는 제1 배터리 셀 및 제2 배터리 셀로 구성되는 셀 적층체; 한 쌍의 상기 배터리 셀 각각의 전극 리드 사이를 연결하는 커넥터; 및 상기 셀 적층체의 적어도 일 측에 구비되며, 상기 전극 리드가 인출되는 한 쌍의 리드 슬릿과 상기 커넥터와 대응되는 위치에 형성되어 상기 배터리 셀의 벤팅 시에 배출되는 벤팅 가스가 분사되는 통로를 제공하는 분사 슬릿을 구비하는 지지 프레임;을 포함한다. A battery module according to an embodiment of the present invention includes a cell stack comprising a first battery cell and a second battery cell having electrode leads and stacked facing each other; A connector connecting between the electrode leads of each of the pair of battery cells; And it is provided on at least one side of the cell stack, a pair of lead slit to which the electrode lead is drawn and formed in a position corresponding to the connector is a passage through which the venting gas discharged when venting the battery cell is injected Includes; support frame having a spray slit provided.

Battery module and assembled battery used therefor

組電池２００は、複数の素電池１００を収容する収納部８０ａを備えたブロック８０と、複数の素電池１００を並列接続する第１の接続板２１及び第２の接続板２２と、素電池１００と第１の接続板２１との間に配設されたスペーサ９０とを備え、ブロック８０は、軸方向に貫通する貫通部８０ｂを有し、スペーサ９０は、軸方向に貫通する空洞部９０ａを有し、積層方向に隣接する組電池２００は、一方の組電池２００の貫通部８０ｂが、他方の組電池２００の空洞部９０ａに嵌合されて、互いに組み合わされて電池モジュールが構成され、各組電池２００の貫通部８０ｂ及び空洞部９０ａは、軸方向に連通している。 The assembled battery 200 includes a block 80 having a storage portion 80a that houses the plurality of unit cells 100, a first connection plate 21 and a second connection plate 22 that connect the plurality of unit cells 100 in parallel, and the unit cell 100. And the spacer 90 disposed between the first connecting plate 21 and the block 80 has a penetrating portion 80b penetrating in the axial direction. The spacer 90 has a hollow portion 90a penetrating in the axial direction. The assembled batteries 200 adjacent to each other in the stacking direction are configured such that a through-hole 80b of one assembled battery 200 is fitted into a cavity 90a of the other assembled battery 200 and combined with each other to form a battery module. The penetration part 80b and the cavity part 90a of the assembled battery 200 are communicated in the axial direction.

Battery module and battery pack using the same

電池モジュールは、複数の電池と、複数の電池が配列されて収納される筐体５０と、筐体５０内で複数の電池に沿うように設けられ、内部に冷媒を有する冷却パイプ７０を備え、冷却パイプ７０は、電池が所定の温度以上に上昇したときに溶解する材料からなる。

Battery pack with exhaust passage

本发明提供了一种电池包，该电池包包括：扁平状的数个电池单元、壳体、载板和上盖；设置在数个电池单元的每一个的顶部的突出的电池单元正极和电池单元负极之间形成中间凹部，中间凹部的表面设有至少一个密封可破裂口，用于在开裂时排放由电池单元中产生的气体，数个电池单元的顶部的数个中间凹部形成电池顶部通槽，载板的底部具有载板底部通槽，载板底部通槽与所述电池顶部通槽压合，形成横向排气通道，横向排气通道的一端具有出口，另一端被挡住。本发明中的排气通道利用了电池包现有的结构，不需另设计出单独的专用排气通道。

Battery pack for preventing gas leak

본 발명은 가스 유출 방지를 위한 배터리 팩에 관한 것으로, 보다 상세하게는, 상부 하우징과 중간 하우징 또는 중간 하우징과 중간 하우징 또는 중간 하우징과 하부 하우징을 결합하여 환기 유로를 형성하고, 상기 환기 유로로부터 냉각 유로로 유해 가스가 유출되지 않도록 하우징 접합면을 발포제로 밀봉함으로써, 유해 가스가 냉각 유로로 유출되어 차량 내부로 유입되는 것을 방지하는 가스 유출 방지를 위한 배터리 팩에 관한 것이다. 본 발명에 의한 가스 유출 방지를 위한 배터리 팩의 일 실시 예는, 하면이 배터리 셀 모듈의 상면 모서리와 접하여 결합함으로써 냉각 유로를 형성하고, 하면이 중간 하우징의 상면과 접하여 결합함으로써 환기 유로를 형성하는 상부 하우징; 상면이 배터리 셀 모듈의 하면 모서리와 접하여 결합하고 하면이 또 다른 배터리 셀 모듈의 상면 모서리와 접하여 결합하며, 상기 배터리 셀 모듈과 상기 또 다른 배터리 셀 모듈 사이에 냉각 유로를 형성하고, 상부 하우징 또는 또 다른 중간 하우징 또는 하부 하우징과 결합하여 환기 유로를 형성하는 중공을 가지는 판 형상의 중간 하우징; 및 상면이 배터리 셀 모듈의 하면 모서리와 접하여 결합함으로써 냉각 유로를 형성하고, 상면이 중간 하우징의 하면과 접하여 결합함으로써 환기 유로를 형성하는 하부 하우징; 을 포함할 수 있다. 이때, 상기 상부 하우징에서, 상기 배터리 셀 모듈의 상면 모서리와 접하는 상부 하우징의 하면에는, 발포제가 도포되어 상기 상부 하우징의 하면과 상기 배터리 셀 모듈의 상면 모서리가 접하여 결합됨으로써, 상기 상부 하우징의 하면과 상기 배터리 셀 모듈의 상면 모서리의 접합면을 밀봉시킬 수 있다. The present invention relates to a battery pack for preventing gas leakage, and more particularly, combining an upper housing and an intermediate housing, or an intermediate housing and an intermediate housing, or an intermediate housing and a lower housing to form a ventilation passage, and cooling from the ventilation passage The present invention relates to a battery pack for preventing gas leakage, which prevents harmful gas from leaking into a cooling passage and flowing into a vehicle by sealing a housing bonding surface with a foaming agent to prevent harmful gas from leaking into a flow path. In one embodiment of the battery pack for preventing gas leakage according to the present invention, a cooling passage is formed by combining the lower surface with the upper surface edge of the battery cell module, and the lower surface is combined with the upper surface of the intermediate housing to form a ventilation passage. upper housing; The upper surface is combined with the lower surface edge of the battery cell module and the lower surface is combined with the upper surface edge of another battery cell module, and a cooling passage is formed ...

Battery cover with dually sealed structure

본 발명은 이중 밀폐형 구조를 갖는 축전지용 커버에 관한 것으로서 상세하게는 축전지의 기울어짐에 따라서 누출되는 전해액의 손실을 방지하기 위하여 축전지의 기울기를 크게 하고, 커버 자체에서 누출된 전해액의 수용 공간을 확대하여 외부로 배출되는 전해액의 양을 줄일 수 있는 이중 밀폐형 구조를 갖는 축전지용 커버에 관한 것이다. 본 발명은 전해액이 수용되는 축전지몸체와 상기 축전지몸체의 상면을 밀폐시키는 이중 밀폐구조를 갖는 축전지커버에 있어서, 하측의 축전지몸체에 연통되도록 개구 형성되어 전해액이 주입되는 유입구를 각각 포함하는 하나 이상의 셀을 포함하는 하부커버; 전해액 및 가스를 외부로 배출시키는 배기구가 양측단에 형성되어 상기 하부커버의 상측에 체결되는 상부커버;를 포함하고, 상기 하부커버는 누출된 전해액 및 가스를 상기 배기구로 안내하는 배기출구가 포함된 배기셀을 최외각에 형성되는 최외각셀 보다 내측에 형성한다. The present invention relates to a battery cover having a double-sealed structure, in detail, to increase the inclination of the battery in order to prevent the loss of the electrolyte leaks in accordance with the inclination of the battery, and to expand the receiving space of the electrolyte leaked from the cover itself The present invention relates to a battery cover having a double hermetic structure capable of reducing the amount of electrolyte discharged to the outside. According to an aspect of the present invention, there is provided a battery cover including a battery body in which an electrolyte is accommodated and a double sealing structure for sealing an upper surface of the battery body. A lower cover comprising a; Exhaust ports for discharging the electrolyte and gas to the outside is formed on both sides of the upper cover is fastened to the upper side of the lower cover; The lower cover includes an exhaust outlet for guiding the leaked electrolyte and gas to the exhaust port The exhaust cell is formed inside the outermost shell formed at the outermost shell.

Case for film-packed electrical device and film-packed electrical device assembly

본 발명의 셀 케이스 (10) 는 필름 외장 배터리 (1) 를 냉각하는 냉각 공기가 흐르는 냉각 채널 (13A) 을 형성하는 제 1 냉각 채널 벽표면 (13c) 및 제 2 냉각 채널 벽표면 (13d) 을 포함하며, 여기서 냉각 채널 (13A) 의 출구 (13b) 인 부분의 개구의 면적은 냉각 채널 (13A) 의 입구 (13a) 인 부분의 개구의 면적 보다 더 크다. 셀 케이스, 필름 외장 배터리, 냉각 공기, 냉각 채널 The cell case 10 of the present invention comprises a first cooling channel wall surface 13c and a second cooling channel wall surface 13d which form a cooling channel 13A through which cooling air for cooling the film external battery 1 flows. Wherein the area of the opening of the portion that is the outlet 13b of the cooling channel 13A is larger than the area of the opening of the portion that is the inlet 13a of the cooling channel 13A. Cell Case, Film External Battery, Cooling Air, Cooling Channel

Cap Assembly Comprising Guide Member for Preventing Detachment of Safety Vent

본 발명은 전극조립체가 원통형 캔에 내장되어 있는 구조의 전지에서 캔의 개방 상단부에 탑재되는 캡 어셈블리로서, 전지의 내압 상승시 파열되면서 가스를 배출하는 안전벤트; 상기 안전벤트의 상부에 탑재되고, 가스 배출을 위한 관통구가 형성되어 있는 상향 돌출형의 캡 플레이트; 상기 안전벤트의 하단에 부착되어 있고, 전지 내압의 상승시 전류를 단전시키는 전류 차단부재; 및 전지의 내압 상승에 의해 파열된 안전벤트의 파열 부위가 이탈을 방지하기 위해 캡 플레이트의 내측에 부착되어 있는 가이드 부재; 를 포함하고 있는 캡 어셈블리에 대한 것이다. The present invention provides a cap assembly mounted on an open upper end of a can in a battery having a structure in which an electrode assembly is embedded in a cylindrical can, a safety vent that ruptures when the internal pressure of the battery rises and discharges gas; an upwardly projecting cap plate mounted on the safety vent and having a through hole for discharging gas; a current blocking member attached to the lower end of the safety vent to cut off the current when the internal voltage of the battery rises; and a guide member attached to the inside of the cap plate to prevent the ruptured portion of the safety vent ruptured due to the increase in internal pressure of the battery; It is about the cap assembly containing the.

Lead storage battery

덮개체와 윗덮개의 접합 상태를 제 2 배기 구멍 둘레 가장자리의 돌출부와 윗덮개의 접합부의 접합 상태와, 덮개체의 돌출부와 윗덮개의 접합부의 접합 상태의 양방으로 확인할 수 있는 납 축전지를 제공한다. 적어도 1 개의 셀실을 구비한 전조와, 그 전조의 상부 개구를 덮는 덮개체 (1) 를 구비하고, 덮개체 (1) 의 상면에 형성된 오목부 (4) 의 내측에 상방으로 돌출되는 고리형의 돌출부 (4C) 를 구비하고, 돌출부 내측의 바닥벽에 셀실로부터의 가스를 배기하는 배기 구멍 (4D) 을 구비하고, 배기 구멍 (4D) 으로부터의 가스를 외부로 유도하는 안내 경로를 돌출부 (4C) 와 윗덮개에 형성된 접합부를 접합시킴으로써 형성하고, 또한 돌출부와 세로벽 사이에 형성되는 홈부 (4M) 를 윗덮개 (5) 의 외주 가장자리에 의해 덮고, 상기 안내 경로를 홈부 (4M) 와 격리시켜 형성하였다. The junction state of the lid body and the top lid is confirmed by both the state of bonding between the protruding portion at the periphery of the second exhaust hole and the bonding portion of the top lid and the bonding state between the protruding portion of the lid body and the bonding portion of the top lid . (1) covering a top opening of the precursor, and an annular member (1) projecting upwardly from the inside of the recess (4) formed on the upper surface of the cover (1) And a protruding portion 4C and an exhaust hole 4D for exhausting gas from the cell chamber to the bottom wall on the inside of the protruding portion and a guide path for guiding the gas from the exhaust hole 4D to the outside is formed in the protruding portion 4C And the groove portion 4M formed between the projecting portion and the vertical wall is covered with the outer peripheral edge of the top lid 5 and the guide path is isolated from the groove portion 4M .

Pack battery

The present invention prevents a reduction in safety caused by a high-temperature exhaust gas injected from an open exhaust valve.　This pack battery is accommodated in a battery case (2) by connecting a heat-resistant cap (8) to an end of a battery block in which battery cells (1) each having an exhaust valve on an end surface thereof are arranged in a plurality of rows. In the battery block, a valve-side end surface (1a) of the battery cell (1) is disposed at a first end portion to which the heat-resistant cap (8) is connected. The heat-resistant cap (8) includes: a closing plate (31) that is provided with a first discharge gap (15A) between the closing plate (31) and a battery block end surface (10a); a peripheral wall (32) that is connected to the circumference of the closing plate (31) and is provided with a second discharge gap (15B) between the peripheral wall (32) and a battery block outer periphery; and a partition wall (33) that is disposed between adjacent battery cell end surfaces, and partitions the first discharge gap (15A) into the end surfaces of each battery cell (1), wherein the exhaust gas discharged to the valve-side end surface (1a) passes through a discharge gap (15) including the first discharge gap (15A) and the second discharge gap (15B) and is discharged to the outside from an exhaust opening.