6110results about "Cell lids/covers" patented technology

A battery pack according to one or more embodiments of the present disclosure includes a plurality of battery cells; and a housing including a bottom member, a plurality of side walls, and a top member, the bottom member, the plurality of side walls, and the top member form an interior accommodation space configured to accommodate the plurality of battery cells, wherein at least one among the plurality side walls, the top member, and the bottom member are formed by a plurality of metal sheets that are roll bonded to each other, wherein at least one cooling channel is formed between bonding areas of the plurality of metal sheets, and wherein at least one crash channel is formed between bonding areas of the plurality of the metal sheets.

A battery pack according to an embodiment of the present disclosure includes: a plurality of battery modules; a tray including a mount plate on which the plurality of battery modules are seated, a front frame provided on an end portion in a longitudinal direction of the mount plate, and a rear frame provided on the other end portion in the longitudinal direction of the mount plate; a pair of side covers covering both end portions in a width direction of the tray; at least one module partition wall parallel to the front frame and the rear frame, and located between adjacent battery modules; and a battery energy management system (BEM) assembly including a BEM bracket having one end portion fastened to the at least one module partition wall and the other end portion fastened to the rear frame, and a BEM mounted on the BEM bracket.

A battery pack according to an embodiment of the present invention may include a base plate, a battery module disposed on the base plate and having a first vent hole on an upper surface thereof, a vent cover coupled to an upper surface of the battery module, a pack cover covering the vent cover, and an elastic member disposed between the vent cover and the pack cover.

A battery pack for an electric vehicle, the battery pack including a battery housing including: a housing body, at least one heat transfer channel defined in the housing body, the at least one heat transfer channel extending generally through a center portion of the housing body, the at least one heat transfer channel being operative to convey a heat transfer fluid; a plurality of battery cells disposed in the housing body, the plurality of battery cells being disposed in direct thermal communication with the at least one heat transfer channel; and at least one electronic component disposed in the battery housing, the at least one electronic component being in direct thermal communication with the at least one heat transfer channel.

The present application discloses a quick-swapping battery pack and an electric vehicle, the quick-swapping battery pack is detachably provided on the longitudinal beam, the top of the quick-swapping battery pack is provided with a groove, the quick-swapping battery pack includes a battery pack box and an battery cell, the battery pack box is provided with several locking connection structures, several locking connection structures are located in the groove, the battery pack box is provided with several battery cell holding cavities for placing the battery cell, at least some of the battery cell holding cavities are distributed on both sides of the groove, the battery pack box is connected to the longitudinal beam, reducing the center of gravity of the battery pack and increasing the stability of the battery pack, and enhancing a larger space for vehicle smoothness and safety.

A vehicle battery pack frame for a vehicle comprising: a base having a length and a width; side members on opposite sides of the base, extending along the length of the base, and attached to a periphery of the base; and crossbeams extending across the width of the base, between the side members; wherein each of the side members comprises a profiled body comprising a sidewall having a first surface facing the cross beams, and an opposite second surface; and a polymer reinforcement attached to the profiled body and facing the second surface of the sidewall of the profiled body.

A battery module according to the present invention includes a cell assembly including a plurality of stacked battery cells; a module case that houses the cell assembly in an internal space; and a cover unit coupled to an outer surface of the module case and having a barrier layer disposed between the module case and the cover unit to block the entry and exit of flames and reduce heat transfer, wherein the barrier layer may be foamed and coupled to the cover unit, and may be provided integrally with the cover unit.

A battery pack according to the present disclosure may include: a plurality of battery modules; and a pack case having an accommodation space formed to accommodate the plurality of battery modules, wherein the pack case may be configured such that at least one surface of the pack case is deformed when internal pressure increases due to venting gas and flame generated due to a thermal event in the battery module.

Disclosed is a battery pack in which a fastening recess is provided on a side surface of a vertical frame and a CMU is fastened to the fastening recess, thereby securing rigidity of the vertical frame and maximizing an internal space of the battery pack.

A battery unit with a battery housing with a base body having an open design at its two opposite end regions. Two battery housing covers are provided which can each be arranged so that they can be connected at one of the two opposite end regions to the base body in order to close the battery housing. At least two battery chambers are provided in the battery housing for the arrangement of battery cells. The base body has, for partitioning the battery chambers, at least one partition wall which extends from an end region of the base body to the other end region of the base body along its longitudinal extent. At least one of the battery housing covers or both battery housing covers has, on its respective side facing the partition wall, an open socket into which a respective partition wall can be inserted.

An electrode sheet and a manufacturing method therefor, a battery cell, a battery and an electrical apparatus. The electrode sheet includes a current collector, a first insulating layer and a second insulating layer, where the current collector includes a main body part and tabs, the tabs extend from the first end of the main body part, and the first end is one end of the main body part in a first direction. Each tab includes a first portion and a second portion, the first portion being close to the main body part with respect to the second portion, the surfaces of the two sides of the first portion are respectively provided with the first insulating layer and the second insulating layer, and the thickness d2 of the second insulating layer being greater than the thickness d1 of the first insulating layer.

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.

The invention relates to a new energy battery cooler, and belongs to the technical field of new energy vehicle battery cooling. The new energy battery cooler comprises a battery base, a controller, a protective shell and a battery pack, the controller and the protective shell are fixedly mounted at the top of the battery base, and the battery pack is arranged in the protective shell; the cooling flow guide mechanism comprises a contact shell, a cooling assembly and a heat conduction assembly, and the contact shell is fixedly mounted on the outer side of the battery pack; a cooling flow guide mechanism is arranged on the outer side of a battery pack, a passive self-adaptive flow guide function which a traditional liquid cooling structure does not have is achieved, a shape memory alloy memory valve plate and a phase change micro-grid composite layer are introduced into a cooling flow channel, when the temperature of the battery pack locally rises, a phase change layer absorbs heat and diffuses, meanwhile, the memory valve plate deforms to expand the section of the flow channel, and the flow channel is cooled. And the cooling liquid automatically increases flow and enhances heat exchange for a hot spot area, the local cooling capacity can be dynamically adjusted, and the temperature equalization performance is remarkably improved.

The utility model provides a cover plate subassembly and battery, the cover plate subassembly includes the cover body, insulation support part and support piece, the cover body is equipped with the explosion-proof valve, the insulation support part and the cover body are arranged oppositely and are attached to each other, the insulation support part is equipped with the exhaust port corresponding to the explosion-proof valve, the support piece is installed on the insulation support part, and the support piece is attached to the explosion-proof valve. The supporting piece is located between the cover body and the core bag, and the melting temperature of the supporting piece is larger than that of the insulating supporting part, so that after the insulating supporting part is melted, the supporting piece can keep the structural integrity of the supporting piece, the cover body and the core bag are supported, the core bag is prevented from being directly and tightly attached to the cover body, and the risk that the anti-explosion valve is blocked is avoided; and normal opening of the explosion-proof valve is ensured to discharge high-temperature and high-pressure gas, so that the risk of battery cell explosion is greatly reduced.

A battery pack includes an assembled battery, a lower case, an upper case, and a bus bar module which includes an external connection positive terminal and an external connection negative terminal, a side wall of the upper case has an external connection connector attached thereto in advance, the external connection connector includes an external connection positive bus bar having one end fastened to the external connection positive terminal and an external connection negative bus bar having one end fastened to the external connection negative terminal, and the upper case is attached to the lower case so that the one end of the external connection positive bus bar and the external connection positive terminal will be arranged to be fastenable to each other and the one end of the external connection negative bus bar and the external connection negative terminal will be arranged to be fastenable to each other.

The present application provides a battery cell, a battery device, and an electric apparatus. The battery cell comprises a casing and an electrode assembly; the casing comprises a casing body and an end cover; the casing body is provided with an opening; the end cover covers the opening and is connected to the casing body; the casing body and the end cover define an accommodating cavity; the electrode assembly is accommodated in the accommodating cavity. The casing body comprises a first wall, and the first wall intersects with the end cover and comprises a wall body and a cushioning portion that are connected to each other. The cushioning portion is flexibly connected between the wall body and the end cover in a deformable mode. The battery cell provided by the present application is conducive to reducing the expansion force of the electrode assembly or the action force of an external load borne at the connecting position of the end cover and the casing body, thereby reducing the risk of cracking at the connecting position of the end cover and the casing body. In this way, the reliability of the battery cell is improved.

The invention provides a battery pack upper cover, a battery pack and a vehicle, and relates to the technical field of batteries, the battery pack upper cover comprises a cover body, the cover body comprises a metal layer and a protective layer, the metal layer is provided with a preformed hole penetrating through the metal layer in the thickness direction of the metal layer, and the preformed hole is suitable for corresponding to a pressure relief hole of a battery module of the battery pack. On a projection plane orthogonal to the up-down direction, the projection outer contour of the pressure relief hole is located on the inner side of the projection outer contour of the preformed hole, and the thickness direction of the metal layer is consistent with the up-down direction; the protective layer is connected with the metal layer, at least part of the protective layer covers the reserved hole, and high-temperature smoke sprayed out of the pressure relief hole can damage the part, covering the reserved hole, of the protective layer so that the reserved hole can be communicated with the outside. According to the invention, high-temperature flue gas can be quickly discharged when the battery cell is in thermal runaway, so that the pressure relief of the battery module is realized, the overall structure is simple, and the manufacturing cost is low.

The application provides a battery pack and an electric device, the battery pack comprising a box body, a battery cell assembly and a box cover assembly; the box body has a containing space and an opening communicating with the containing space; the battery cell assembly comprises a plurality of battery cells, and the battery cell assembly is arranged in the containing space; the box cover assembly comprises a box cover and a buffer layer, the box cover is connected with the box body to close the opening, and the buffer layer is arranged on a side of the box cover away from the containing space; and the buffer performance of the buffer layer is greater than that of the box cover. The battery pack of the application has the buffer performance of the buffer layer on the box cover during installation, so that the box cover is not easily damaged.

A battery disconnect unit including a housing, an electronic relay module installed on a charge / discharge line of a battery within the housing and including electronic switch devices capable of a switching operation of selectively blocking the flow of a current in the charge / discharge line, a heat dissipation cover provided with a structure surrounding at least a portion of the electronic relay module and formed of a material capable of heat exchange with the electronic relay module, and a cooling plate disposed in contact with the heat dissipation cover and provided to allow a refrigerant to flow in the cooling plate.

The utility model discloses a cover plate assembly and a battery, the cover plate assembly comprises a cover plate body, a monitoring device, a conductive member and a fixing member, the cover plate body is provided with a first pole and a second pole; the monitoring device is mounted on one side of the cover plate body, and the monitoring device is located between the first pole and the second pole; the conductive piece is connected with the monitoring device, the first pole and the second pole; the conductive part is located between the cover plate body and the fixing part, and the fixing part is detachably connected with the cover plate body so as to fix the conductive part. The battery is used for supplying power to the monitoring device, a power source does not need to be independently arranged for supplying power to the monitoring device, the number of parts is reduced, cost is reduced, the fixing piece is detachably connected with the cover plate body, the conductive piece is fixed, the occupied space in the battery is small, and mounting and dismounting operation is easy.

The utility model discloses an exhaust valve and a battery cover plate assembly, the exhaust valve comprises an inner valve body, an outer valve body and a sealing piece, the two ends of the inner valve body along the axial direction are respectively provided with a first exhaust port and a second exhaust port, and the first exhaust port is used for being communicated with an exhaust hole of gas production equipment; the outer valve body is detachably connected with the inner valve body, a third exhaust port communicated with the second exhaust port is formed in the outer valve body, and the first exhaust port, the second exhaust port and the third exhaust port form an exhaust channel; the sealing piece is arranged between the inner valve body and the outer valve body, the exhaust valve has a first sealing state and a second exhaust state, and in the first state, one end of the sealing piece is matched with the outer valve body in an abutting mode, and the other end of the sealing piece is compressed, deformed and matched with the inner valve body in a sealing mode; in the second state, one end of the sealing piece is in abutting fit with the outer valve body, and the other end of the sealing piece is in clearance fit with the inner valve body. The exhaust valve can realize automatic exhaust of gas, and ensures that liquid is not discharged during exhaust.

The invention belongs to the technical field of batteries, and discloses a battery monomer which comprises a battery shell, a battery cover plate and a pole group, the battery shell is provided with a containing cavity and an opening which are communicated, the opening is located in the side, facing a first direction, of the battery shell, the battery cover plate comprises a plate body, and the plate body covers the opening; the plate body comprises a plate body part and a first protruding part which is connected with the plate body part and protrudes towards a first direction, a capacity increasing groove is formed in the side, deviating from the first direction, of the first protruding part, the pole group comprises a pole group body structure and a first protruding structure which is connected to the side, facing the first direction, of the pole group body structure, and the pole group body structure is arranged in the containing cavity; all side walls, parallel to the first direction, of the pole group body structure are attached to the inner wall of the containing cavity, the first protruding structures are located in the capacity increasing grooves, the groove bottoms of the capacity increasing grooves and at least one group of oppositely-arranged inner walls of the capacity increasing grooves are all attached to the first protruding structures, the probability of deformation and damage of the plate bodies of the single batteries is low, the pole group capacity is large, and the capacity of the single batteries is high. And the moving probability of the pole group is low.

Systems, methods, and articles for a wearable and lightweight portable power case are disclosed. The portable power case is comprised of a cylindrical housing, at least two battery elements connected to a printed circuit board (PCB), and at least one separating barrier between the at least two batteries and the PCB. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, a tablet, a portable satellite dish and / or any other power consuming device. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and / or generators.

The utility model relates to the technical field of batteries, and discloses a lower plastic, a battery cell and a battery pack, the lower plastic comprises a plastic body, the plastic body is suitable for being connected with a cover plate of the battery cell, the cover plate is provided with a liquid injection hole, and the part, corresponding to the liquid injection hole, of the plastic body extends towards the direction far away from the cover plate to form a protruding part; at least one through hole is formed in the side, opposite to the liquid injection hole, of the protruding part, and the through hole communicates with the liquid injection hole. According to the lower plastic provided by the utility model, the plastic body is provided with the convex part for shielding the liquid injection hole, when electrolyte is injected into a battery cell through the liquid injection hole, the impact of the electrolyte is buffered by the convex part after the electrolyte passes through the liquid injection hole, and the electrolyte flows into the battery cell through the through hole in the convex part after being buffered, so that the battery cell is prevented from being damaged. The electrolyte can be effectively prevented from directly impacting the pole group in the battery cell, the pole group is prevented from being damaged, and the electrolyte injection stability is ensured, so that the safety and the reliability of the battery cell are improved.

The utility model relates to the technical field of battery packs, and discloses a battery pack and electric equipment with the battery pack, the battery pack has a first direction, a second direction and a third direction, and the battery pack comprises a box body with an accommodating cavity; the box cover is connected to the box body and covers and seals the accommodating cavity; the multiple battery packs are located in the containing cavity and arranged at intervals in the first direction, each battery pack comprises multiple single batteries, and each single battery comprises a cover plate; the isolation plate extends in the first direction, the isolation plate comprises base body parts and connecting parts, the multiple base body parts are arranged at intervals in the first direction, the connecting parts are connected with the two adjacent base body parts in the first direction, hollow holes are formed in the connecting parts, and the cover plate is exposed out of the hollow holes; and the multiple pressing strips are arranged at intervals in the first direction, extend in the second direction and are connected with the cover plate. According to the battery pack disclosed by the utility model, the flexible circuit board is pressed through the isolation plate.

Discussed is a battery pack that includes a battery module, and a pack housing configured to accommodate the battery module The pack housing may include a lower case to accommodate the battery module, an upper case coupled to the lower case to cover an upper opening of the lower case, a gasket provided on an interface between the lower case and the upper case, and an insulating member disposed between the battery module and the gasket.

The invention belongs to the technical field of batteries, and discloses a cover plate assembly and a battery cell, the cover plate assembly comprises a cover plate, a pole structure and a supporting structure, the cover plate is used for covering an opening of a shell of the battery cell, the opening is located on one side, facing a first direction, of the shell, the cover plate comprises a first plate body and a second plate body, the first plate body is perpendicular to the first direction, and the second plate body is perpendicular to the second direction. The second plate body comprises a first side and a second side which are oppositely arranged, the first side is connected with the first plate body, the second plate body inclines towards the second direction from the first side to the second side, the second direction is opposite to the first direction, the pole structure penetrates through the second plate body, and in the first direction, the first plate body protrudes out of the pole structure to protect the pole structure; the supporting structure comprises a supporting piece, and the supporting piece is connected to the side, facing the second direction, of the first plate body and the side, facing the second direction, of the second plate body so as to improve the structural strength of the cover plate.

Disclosed in the present application are a battery and an electric device, which belong to the technical field of batteries. The battery of the present application comprises: a battery cell comprising a housing and an electrode terminal, the electrode terminal being arranged in the housing; a case assembly comprising a case, the case comprising a body part and a partition part, an accommodating space being formed inside the body part, the partition part being located in the accommodating space and dividing the accommodating space into two first accommodating cavities, the two first accommodating cavities respectively extending through surfaces of the body part in opposite directions and respectively forming openings on the surfaces of the body part, and at least one battery cell being arranged in each first accommodating cavity. Two first accommodating cavities are arranged in the box body, a battery cell can be placed in each first accommodating cavity, and the electrode terminal is located on the side of the housing facing away from the partition part. When there are a plurality of battery cells, the plurality of battery cells can be attached to each other, so that the space in the first accommodating cavity is more fully utilized, thereby improving the volumetric energy density of the battery.

A power storage device (100) includes a plurality of power storage cells (10), a lower case (31), a share panel (33) having an exhaust port (33b), and a cover member (40). The share panel (33) forms a sealed smoke exhaust space (S1) between a bottom plate (31c) of the lower case (31) and the share panel (33). The share panel (33) has a standing wall (33d) standing upward from around the exhaust port (33b). The cover member (40) includes a peripheral wall portion (41) surrounding the standing wall (33d) and a covering portion (42) covering the exhaust port (33b) from above.