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44 results about "Battery sizing" patented technology
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Vehicle body structure
The objective is to obtain a vehicle body structure that suppresses the residual deformation of components positioned in front of the motor unit in the longitudinal direction of the vehicle during a frontal collision, and that reduces the constraints on the size of the battery that can be mounted. [Solution] The vehicle body structure S includes a motor unit 30 to which power is supplied and which outputs driving force for driving; a skeletal member 11 which is integrally molded by die casting and forms the frame of the vehicle, is disposed on the rear side of the vehicle of the motor unit 30 and includes a support portion 28 that supports a part of the motor unit 30; a protruding portion 36 provided on the motor unit 30 and projecting toward the skeletal member 11 side; and a recess provided on the support portion 28, which is open toward the motor unit 30 side and into which the protruding portion 36 is fitted.
Owner:TOYOTA JIDOSHA KK
Battery simulation method and device, electronic equipment, storage medium and product
PendingCN121936376ACAD circuit designSpecial data processing applicationsElectrical batteryMechanical models
The embodiment of the invention provides a battery simulation method and device, electronic equipment, a storage medium and a product. The method comprises the following steps: receiving a simulation request, wherein the simulation request comprises the battery size of a target battery; dividing a battery cell of the target battery into a plurality of sub-domains according to the battery size; establishing a plurality of electrochemical models corresponding to the plurality of sub-domains, and determining a plurality of voltage boundary conditions corresponding to the plurality of electrochemical models through the current collector electric field model; according to the multiple voltage boundary conditions, each electrochemical model is coupled with a thermal model and a mechanical model, and multiple coupling models are obtained; and performing simulation calculation on the plurality of coupling models to obtain a simulation result of the target battery. According to the scheme, the plurality of independent electrochemical models corresponding to the plurality of sub-domains are established, and the plurality of electrochemical models are subjected to simulation calculation respectively, so that the non-uniform reaction of each sub-domain can be analyzed respectively, and the simulation accuracy is improved.
Owner:SUNWODA MOBILITY ENERGY TECHNOLOGY CO LTD
Double-channel different-side button type battery clamp
The utility model provides a double-channel different-side button type battery clamp, which comprises a bottom plate, a back plate, a guide rod, a linear bearing, a fixing block, a test clamp assembly, a battery tray and a toggle clamp assembly, the back plate is arranged on one side of the bottom plate, the toggle clamp assembly is arranged on the upper portion of the back plate, the test clamp assembly is arranged on the lower portion of the back plate, and the toggle clamp assembly is arranged on the lower portion of the bottom plate. The fixing blocks are fixed to the two sides of the lower portion of the back plate, one end of the guide rod is fixedly connected with the bottom plate, the other end of the guide rod penetrates through the testing clamp assembly to be connected with the fixing blocks, the toggle clamp assembly is connected with the testing clamp assembly, a battery tray is arranged on the testing clamp assembly, and the battery tray is connected with the toggle clamp assembly. A plurality of button cells are arranged on the cell tray, a probe on the test clamp assembly is aligned with the button cells on the cell tray for testing, and the button cell testing device has the advantages of being simple in structure, convenient to operate, small in testing size, convenient and fast to test, high in accuracy and capable of being compatible with different cell sizes.
Owner:NEWARE TECH LTD
Cover plate and battery
The utility model discloses a cover plate and a battery, the cover plate comprises a cover body, the cover body is provided with a first mounting hole and a second mounting hole, and one side, close to the interior of the battery, of the cover body is provided with a groove; a first pole and a second pole; the deformation part is arranged on the side, close to the interior of the battery, of the cover body, when the internal pressure of the battery is smaller than a preset value, the deformation part is separated from the cover body, and when the internal pressure of the battery is increased to the preset value, the other end of the deformation part moves towards the direction of the cover body and then makes contact with the cover body to form a short circuit; and the groove is used for accommodating the other end of the deformation piece. According to the embodiment of the invention, the groove can be used as a stamping accommodating deformation space on the cover body, and the groove and the deformation piece are matched with each other, so that not only is mistaken short circuit avoided, but also the situation that the size of the battery is increased due to the arrangement of the deformation piece can be avoided.
Owner:LIYANG HINA BATTERY TECH CO LTD
Cylindrical battery and cylindrical battery thermal management system
PendingCN121237951ASmall-sized cells cases/jacketsSecondary cells manufactureElectrical batteryThermal management system
The embodiment of the invention provides a cylindrical battery and a thermal management system of the cylindrical battery, the cylindrical battery comprises a shell and a battery cell, the shell comprises a peripheral shell, a bottom shell and an end cover, and the bottom shell and the end cover are respectively connected to two ends of the peripheral shell in the axial direction; the battery cell is arranged in the shell, and an inner pipe which is arranged in the axial direction of the battery cell and penetrates through the interior of the battery cell is connected between the bottom shell and the end cover; and the inner pipe is used for being communicated with an external cooling pipeline or allowing the external cooling pipeline to penetrate through. According to the cylindrical battery disclosed by the invention, heat in the battery cell can be directly taken away by utilizing the cooling pipeline which is communicated with the inner pipe or penetrates through the inner pipe, so that accurate adjustment of the temperature in the cylindrical battery is realized, the problem of difficulty in heat exchange in a large-size cylindrical battery is solved, the performance and the safety of the battery are improved, and the limitation of an internal heat dissipation section on the size of the cylindrical battery is relieved.
Owner:BEIJING CHEHEJIA AUTOMOBILE TECH CO LTD
Negative-pressure transferring and capping equipment for medium-density battery
ActiveCN223967206UFinal product manufactureSecondary cells manufactureProduction lineElectrical battery
The utility model discloses medium-density battery negative pressure transferring and capping equipment which comprises a supporting frame, a turnover structure is fixedly connected in the supporting frame, a battery to be capped is arranged on the upper surface of the turnover structure, a turnover speed reducer is fixedly connected to the outer surface of the turnover structure, and a turnover device is fixedly connected to the output end of the turnover speed reducer. According to the device, through the cooperative use of the overturning knot and the mounting structure, automatic overturning and capping of batteries can be realized, the vacuum chuck is manually operated, the capped batteries are transferred and stacked, the batteries can be connected to an existing production line more flexibly and reliably, and the problems that most of the batteries are manually overturned and capped, but medium-density batteries are large and heavy, and the cost is high are solved. In the prior art, large batteries often reach more than 50 kilograms, the labor is consumed, the working condition is bad, some automatic equipment can turn over the large batteries and automatically enter an oven, but the mechanism is large in action, large in occupied area and high in requirements for positioning precision and battery size.
Owner:ZHAOQING KELI MECHANICAL EQUIP MFG CO LTD
Modular plug-in battery box shell
The application discloses a modular plug-in type battery box shell and relates to the technical field of battery charging. The core structure comprises four groups of vertically arranged frames in rectangular distribution. The frames are arranged in a longitudinal and transverse manner through horizontal limiting frames and vertical limiting frames to form adjustable accommodating cavities. The cavity size can be flexibly changed through a first adjusting part and a second adjusting part to adapt to different specifications of batteries. The outer part of the vertically arranged frames is covered with a sealed cabinet body and a cabinet door to form a protective layer. A heat inside-out circulation part and a constant temperature module are arranged in the inside part. Efficient heat dissipation and constant temperature control are realized through the communication of the heat dissipation holes. The power supply system comprises a hanging power supply cabinet. The extended power supply wire end is connected with a power supply plug. The plug is fixed to the horizontal limiting frame through the plug-in column of the telescopic mounting support. The position can be adjusted according to the size of the battery. The support and the plug can be detached, thereby meeting the outdoor temporary charging demand. The design realizes the flexible adaptation, safe heat dissipation and convenient power supply of the battery.
Owner:NINGBO CHANGHUI AUTO PARTS CO LTD
Work machine
To provide a working machine in which a casing can be interposed between a battery and a rear protective member even if the battery size is increased.SOLUTION: The counter weight 20 has the facing surface 32f that is the front surface 32 facing the box 30 in the front-rear direction, at least one of the end portion 32f and the 36R at the left end and the right end of the facing surface 36L is located forward of the central portion 32f in the left-right direction of the facing surface 36M, and at least one of the thickness THl in the front-rear direction at the left end of the box 30 and the thickness THr in the front-rear direction at the right end of the box 30 is smaller than the thickness THm of the central portion.SELECTED DRAWING: Figure 3
Owner:KOBELCO CONSTR MASCH CO LTD
Compressed battery thermal barrier and method
A multilayer thermal barrier, batten7 modules, and associated methods are disclosed. In one example, a resilient layer of a multilayer thermal barrier is dimensioned to a footprint substantially the same size as a lithium-ion pouch cell. Configurations are shown where a thermal insulation layer extends laterally beyond the footprint.
Owner:ASPEN AEROGELS INC
UPS battery fixing tray structure
Owner:SICHUAN VISION HAOPU ELECTRONIC ENGINEERING CO LTD
Battery pole piece suitable for large cylindrical battery and large cylindrical battery
The invention discloses a battery pole piece suitable for a large cylindrical battery and the large cylindrical battery, the battery pole piece has a gradient porosity structure, and the porosity is gradually increased from one side close to a current collector to one side far away from the current collector; the micro-channel network is a conical micro-channel with the diameter of 5-30 microns and the depth of 10-50 microns formed on the surface of the pole piece by adopting a laser micromachining technology, the diameter of the channel is gradually increased from the outer side of the pole piece to the central area, and the density is gradually reduced from 15% to 5%. The capillary force driving mechanism is utilized, radial infiltration of the electrolyte is completed within 10 seconds, and the infiltration uniformity is gt; the formation of a dry region is eliminated, and meanwhile, only the energy density lt is reduced; the method is compatible with an existing production line, and the manufacturing cost is increased; 5%. According to the invention, the wettability of the electrolyte is improved by combining a multi-layer coating process and the cellulose ether polymer, so that the problem that the overlong pole piece is difficult to be uniformly wetted by the electrolyte due to the increase of the size of the large cylindrical battery is effectively solved, the formation of an internal dry area is avoided, and the capacity utilization rate is remarkably improved.
Owner:ANHUI VOLT TIMES NEW ENERGY CO LTD
A battery shock absorption device for RVs
ActiveCN224288397Uflexible adjustmenteasy to placeCell component detailsVibration suppression adjustmentsShock avoidanceElectrical battery
Owner:JIANG SU NUO QIANG DIAN ZI KE JI YAN JIU YUAN YOU XIAN GONG SI
Test apparatus and battery production line
This application provides a test apparatus and a battery production line. The test apparatus includes a fixing mechanism and a plurality of test probe mechanisms. The test probe mechanisms are slidably connected to the fixing mechanism side by side along a first direction. In the test apparatus provided in embodiments of this application, the fixing mechanism is provided with a plurality of test probe mechanisms, and the test probe mechanisms can slide along the first direction relative to the fixing mechanism. In this way, distances between the test probe mechanisms can be adaptively adjusted according to the dimensions of to-be-tested battery cells, that is, the distances can quickly respond and adapt to changes in dimensions of incoming battery cells, so that the test efficiency can be significantly improved.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
Solar photovoltaic support
ActiveCN224205023UImprove adaptabilityImprove versatilityPhotovoltaic supportsPhotovoltaic energy generationElectrical batteryControl theory
Owner:ANHUI LANGYUE LIGHTING ENGINEERING CO LTD
Series-parallel button cell model group device
The utility model provides a series-parallel button cell model group device, which relates to the technical field of cell assembly modules and comprises a support mechanism, an adjusting mechanism is fixedly connected to the top end of the support mechanism, a support adjusting mechanism is fixedly connected to one side, far away from the adjusting mechanism, of the top end of the support mechanism, and the adjusting mechanism comprises a first connecting block. A limiting groove is formed in the first connecting block, and a connecting metal sheet is slidably connected to the limiting groove. By means of the design, accurate position adjustment can be conducted on batteries of different sizes, good contact between the batteries and contact points is guaranteed, the problem of poor contact caused by different sizes of the batteries is solved, meanwhile, stable supporting of the battery pack is achieved, deformation caused by improper positions of the batteries is avoided, and the service life of the battery pack is prolonged. The overall stability and safety of the battery pack are improved; through the adjusting mode, the stability of battery power supply is improved, and potential safety hazards such as battery overheating or short circuit possibly caused by poor contact are effectively avoided.
Owner:HENAN NORMAL UNIV
Recycling and discharging control method for waste lithium battery
PendingCN122000519ASecondary cells charging/dischargingWaste accumulators reclaimingElectrical batteryProcess engineering
The invention discloses a waste lithium battery recovery discharge control method, which comprises the following steps: S1, measuring the size of a battery through a measuring table, comparing the measured battery size with data in a database to obtain a battery discharge scheme adaptive to the currently detected battery, and obtaining an optimal discharge current scheme corresponding to the battery; s2, enabling a feeding and discharging manipulator to clamp the measured battery for feeding; s3, enabling the pole of the battery to abut against the copper sheet; s4, the discharging cabinet outputs the optimal current through the wiring terminal to conduct the copper sheet to discharge the battery; and S5, the feeding and discharging mechanical arm transfers the battery to the rear half section of the milling section discharging conveying belt. The discharging device can be matched with the most suitable current to discharge the battery.
Owner:福建常青新能源科技有限公司 +2
Battery pressing module
The utility model discloses a battery compression module, its characterized in that, include: the load component, along the first direction extension, be used for placing multiple batteries, and multiple batteries interval setting. First compression component, locate one side of load component, include multiple liquid injection unit. Multiple liquid injection unit with multiple batteries one -to -one corresponding setting, and the one side of battery facing liquid injection unit is equipped with the liquid injection hole. Liquid injection unit includes negative pressure suction nozzle and the folding clamping plate, and negative pressure suction nozzle is worn in the folding clamping plate, and with the liquid injection hole corresponding setting. The folding clamping plate is adaptively set with battery size. Second compression component, locate the other side of load component, include pushing device, be used for battery along the first direction push to negative pressure suction nozzle and liquid injection hole plug connection, and the folding clamping plate and battery plug -in limit. Through setting the folding clamping plate, first of all, the position of battery is positioned twice before negative pressure suction nozzle cooperation battery positioning, avoids the battery negative pressure failure caused by negative pressure and does not accurately.
Owner:星恒电源(滁州)有限公司
Connector with external strong cooling structure
ActiveCN224328943UCouplings bases/casesCooling/ventilation/heating modificationsElectrical batteryWorking temperature
The utility model discloses a connector with external strong cooling structure. The connector includes: shell, a plurality of jack parts, a plurality of cables and at least one external air cooling part, the shell includes a plurality of high heat conduction fixed wire ends, and a plurality of protruding cooling fins are integrally arranged on the outer wall of each fixed wire end, the jack part is fixedly sleeved with the front end of the shell and the rear end is inserted into the fixed wire end, the cable is fixedly sleeved with the rear end of the shell and is inserted into the fixed wire end to connect the jack part, the external air cooling part is fixedly connected with one side of the fixed wire end, the air suction port of the external air cooling part is opposite to each cooling fin, the cooling fin conducts the heat of the connecting heat source to the outer end of the cooling fin, the external cooling part makes the airflow continuously flow through the surface of the cooling fin and takes away the heat, and the connector is at the appropriate working temperature. The utility model has the effects of simple structure, good heat dissipation, improved current-carrying capacity and reduced temperature rise, more advantageous battery size, capacity and endurance, and good safety.
Owner:SUZHOU RECODEAL INTERCONNECT SYST
Battery mounting structure
The utility model provides a battery installation structure which comprises a sliding rail, a placing plate installed on the sliding rail and a battery cabinet, the sliding rail comprises a fixed end and a sliding end installed on the fixed end in a sliding mode, and the fixed end is used for being connected with the inner wall of the battery cabinet; the placing plate is mounted on the sliding end, a plurality of step grooves which are communicated with one another and have gradually reduced inner diameters are formed in the placing plate, and the step grooves are used for placing battery bodies; the sliding end is provided with a connecting assembly, and the fixed end is provided with a protrusion used for being matched with the connecting assembly to fix the containing plate. A spraying assembly is arranged in the battery cabinet, and the stepped groove and the spraying assembly are correspondingly arranged; according to the utility model, the problem that in the prior art, the sizes of the batteries charged in the battery compartment are different, so that the batteries cannot be ensured to be positioned in the spraying range of the spraying assembly after being put in the battery compartment can be solved.
Owner:SICHUAN MEDICRON TECHNOLOGY CO LTD
Conveying clamp for battery manufacturing
ActiveCN224160023UNot easy to loosenprevent slippageFinal product manufactureConveyor partsProduction lineElectrical battery
The utility model relates to the technical field of lead-acid batteries, and discloses a conveying clamp for battery manufacturing, which comprises a stand column, the top end face of the stand column is fixedly connected with a cross beam, the side wall of the cross beam is fixedly connected with a transverse conveying device, and the output end of the transverse conveying device is provided with a clamping assembly. According to the conveying clamp for battery manufacturing, the clamping arms are in the state perpendicular to the horizontal plane all the time, the grabbing force of the clamping contact face is enhanced through rubber strips, a self-locking state is formed after folding, even if the electric push rod is powered off or does not continue to apply force, the clamping state can still keep certain stability and is not prone to loosening, and the arc-shaped parts at the bottoms of the clamping arms slide to the bottoms after being opened; and when the battery size is within the designed clamping stroke range, the clamp does not need to be replaced or parts do not need to be adjusted, and the clamp is particularly suitable for flexible production line or multi-model mixed line production.
Owner:ANHUI TIANJIN ENERGY TECHNOLOGY CO LTD
Quick replacement structure
The utility model provides a quick change structure which comprises a machine body, a mounting seat is fixedly arranged in the middle of the machine body, a plurality of positioning carriers are arranged at the top end of the mounting seat at equal intervals, and elastic quick release bolts are connected to the four corners of each positioning carrier in a penetrating mode. The elastic quick-release bolts are fixedly connected with assembly holes formed in the surface of the mounting base, a battery pack moving assembly is arranged on one side of the top end of the machine body, and a battery testing assembly is arranged on the other side of the top end of the machine body. According to the utility model, the plurality of groups of positioning carriers are assembled with the mounting seat through the elastic quick-release bolts instead of traditional locking bolts, so that the carriers with different battery sizes can be replaced conveniently, and the quick assembly and disassembly efficiency of the carriers is improved.
Owner:TREND POWER TECH CHANGSHU INC
Weldless test fixture device accommodating multiple battery sizes
The application relates to a welding-free test clamp device suitable for multiple battery sizes, which comprises an adjustable support for providing and adjusting a containing space for placing a battery to be tested, and two fixing assemblies inserted on the adjustable support, the two sides of the fixing assemblies are provided with hooks, and probes are further arranged on the hooks; a quick clamp is arranged on the adjustable support, the quick clamp is buckled and fixed with the hooks, so that the spring end of the probe is pressed against an electrode; the battery to be tested is electrically connected with a test circuit through the probe on the fixing assembly abutting against the electrode, the welding connection mode of a connecting row is replaced, additional welding work is not needed, manpower, material resources and time cost are saved, the appearance of the battery is not damaged, the battery with qualified performance after the experiment is completed can be reused, cost is saved; meanwhile, the spring end of the probe is pressed against the electrode through buckling of the quick clamp and the hooks, the situation of poor contact is avoided, one person can complete the fixing, and the assembly efficiency is greatly improved.
Owner:GREE ALTAIRNANO NEW ENERGY INC
Carbon fiber composite material battery fixing support adaptive to unmanned aerial vehicle
The invention relates to the technical field of unmanned aerial vehicles, and discloses a carbon fiber composite material battery fixing support matched with an unmanned aerial vehicle, the carbon fiber composite material battery fixing support comprises a shell, slotted holes are uniformly formed in the two sides of the interior of the shell, a baffle is slidably connected to the interior of the shell, and a first handheld column is rotatably connected to the upper surface of the baffle; the outer wall of the first handheld column is fixedly connected with a threaded rod, the outer wall of the threaded rod is in threaded connection with a sliding block, the outer wall of the sliding block is rotationally connected with a connecting rod, the outer wall of the connecting rod is rotationally connected with a sliding rod, the outer wall, away from the connecting rod, of the sliding rod is fixedly connected with an embedded block, and an opening and closing assembly is arranged on the shell. The slotted holes in the two sides of the shell are in sliding fit with the baffles, the first handheld column drives the threaded rod to drive the sliding blocks to move, the embedded blocks are disengaged from or embedded into the slotted holes, and the positions of the baffles are flexibly adjusted. The blocking piece can be attached to the surfaces of batteries of different sizes and can be rapidly adjusted and fixed according to the sizes of the batteries, and the cost of switching of the unmanned aerial vehicle in different scenes is reduced.
Owner:HENAN VOCATIONAL COLLEGE OF WATER CONSERVANCY & ENVIRONMENT
Battery test temperature control device
The utility model discloses a battery test temperature control device, which comprises at least one temperature control module, the temperature control module is provided with an accommodating groove for positioning and placing a battery, the groove length of the accommodating groove is adjustable, a liquid cooling channel is formed in the temperature control module, and heat exchange is carried out on the battery in the accommodating groove by supplying cooling liquid into the liquid cooling channel. The temperature control module comprises a heat conduction part and a temperature control part, the liquid cooling channel is arranged in the temperature control part, the temperature control part is arranged on the outer side of the heat conduction part, and the containing groove is formed in the center of the heat conduction part. The heat conduction part comprises a plurality of heat conduction modules which are arranged in a longitudinally stacked mode, each heat conduction module is provided with a positioning opening, and a containing groove is formed by the multiple positioning openings. The temperature control part comprises two cold plates which are arranged on the opposite end sides of the two clamping plates respectively, and each cold plate is internally provided with a plurality of cooling liquid flow channels and is provided with a liquid inlet pipe and a liquid outlet pipe. The device is simple in structure, the length of the containing groove can be adjusted according to the size of the battery, adaptability is high, and accurate temperature control over the battery is achieved in a liquid cooling mode.
Owner:SHANGHAI XUANYI NEW ENERGY DEV CO LTD
Square battery thickness testing apparatus
The utility model provides a kind of square battery thickness test equipment, including rack, thickness test component, casing, operation control component, the rack is equipped with thickness test component, the casing seamlessly docks buckling on the rack of thickness test component, operation control component is equipped on the casing front end outside wall, the operation control component is electrically connected with the thickness test component, the utility model has the beneficial effect that: accurate weighing of battery can be realized by thickness test component, compatible different battery size, compared with traditional mode, it can realize quick data upload, and by the display screen on operation control component, display screen shows the data of real-time test, with the advantage that the thickness of battery under different extrusion force can be accurately measured, with Small size, small test error, and the structure is simple, ingenious design, low manufacturing cost.
Owner:NEWARE TECH LTD
A pack-in case elevator
ActiveCN224677701UImprove compatibilitySafe and efficient box loading operationElectrical batteryControl engineering
The utility model provides a kind of pack into box elevator, including cargo platform, conveying mechanism and lifting mechanism;Conveying mechanism includes positioning assembly and push-pull assembly, the positioning assembly and the push-pull assembly are all installed on the cargo platform, the positioning assembly has adjustable interval positioning end along horizontal plane and perpendicular to transport direction, the push-pull assembly has movable pushing end along into box direction;Lifting mechanism has liftable lifting end, and the cargo platform is connected with the lifting end of lifting mechanism.The utility model places battery pack by cargo platform, under the adjustment of positioning assembly positioning end, the width of adaptation battery pack is formed, and the positioning and protection of its two sides are adhered, and then movable end is moved along into box direction by push-pull assembly, the length of adaptation battery pack is pushed into box to battery pack;Battery pack size in the adjustable range of positioning assembly and push-pull assembly can be adapted.
Owner:GUANG ZHOU TONG XIANG SHU ZI KE JI YOU XIAN GONG SI
Three-dimensional porous micro battery and preparation method and application thereof
The invention relates to a microbattery and interdigital electrode related technology, and provides a three-dimensional porous microbattery manufacturing method, an interdigital electrode structure and application. When the micro battery is manufactured, firstly, bamboo charcoal powder and chocolate are mixed in proportion, and a composite microelectrode is prepared through grinding, ultrasonic treatment, 3D printing and freeze drying; and assembling the microelectrode, coating the microelectrode with an electrolyte, and packaging the microelectrode with a degradable material. The interdigital electrode structure comprises an insulating substrate, an interdigital main body which is formed by arranging long-strip-shaped conductive units in a crossed and spaced manner to form an array, and an optional extraction electrode to adapt to small and micro equipment integration. The miniature battery is small in size, degradable, high in capacity and easy to integrate, the performance of the interdigital electrode structure can be optimized by adjusting and controlling the size, the number and the like, and the miniature battery and the interdigital electrode structure provide safe, environment-friendly and efficient energy and electrode solutions for small and miniature electronic equipment, especially degradable diagnosis equipment in the fields of medical treatment, environmental protection and the like.
Owner:WUHAN UNIV OF TECH
Photovoltaic module
The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic assembly, which comprises a plurality of battery strings arranged in parallel, each battery string is provided with a battery A and a battery B which are alternately arranged, and the positive electrode of the battery A and the negative electrode of the battery B are arranged on the same plane; from the starting end to the tail end of the battery string, positive electrodes and negative electrodes of adjacent batteries are sequentially connected through back welding strips and front welding strips which are alternately arranged; the starting ends and the tail ends of the adjacent battery strings are alternately arranged, and the starting ends and the tail ends of the adjacent battery strings are connected through longitudinal welding strips, so that the battery strings are connected in series; in the same battery string, the number of the batteries A and the number of the batteries B are equal, the area proportion meets a set value, and power generation currents of the batteries A and the batteries are consistent through different battery sizes.
Owner:YINGLI ENERGY DEV CO LTD
Secondary battery and method for manufacturing same
PCT designated stageWO2026043134A1Secondary cells manufactureCell component detailsElectrical batteryMechanical engineering
The present invention relates to a secondary battery and a method for manufacturing same. The secondary battery according to the present invention is welded in a state in which a current-collecting plate is pressed in the direction of a foil tab and a crumpled area is formed at the top of the foil tab. At least one guide line is formed on the foil tab, enabling the setting of the inclination direction of the foil tab being pressed. The secondary battery according to the present invention can reduce the length of the foil tab without bending the foil tab in order to weld. The reduction in the length of the foil tab means that the size of a cell can be reduced or the capacity can be increased compared to a cell of the same size. In addition, since the foil tab is not bent, welding can be performed without forming gaps, thereby preventing any impact on an electrode assembly during the welding process.
Owner:LG ENERGY SOLUTION LTD
Aluminum plastic film edge sealing structure for solid-state battery and aluminum plastic film composite production device
ActiveCN224400465Uimprove rigorImprove bending resistanceCell component detailsElectrical batteryPlastic film
The utility model discloses an aluminum plastic film edge sealing structure for solid-state battery and aluminum plastic film composite production device, and aluminum plastic film includes first unit membrane and second unit membrane along the fold line, and first unit membrane is provided with electric core containing groove, and second unit membrane cover is established in the notching of electric core containing groove, and the side of electric core containing groove is sealed edge, and sealed edge comprises heat seal layer, aluminum foil layer and outer surface layer who are stacked in turn from inside to outside, the surface of heat seal layer away from aluminum foil layer is provided with concave-convex grain, and the surface of outer surface layer away from aluminum foil layer corresponding to first unit membrane is provided with bending groove, and the extension direction of bending groove is consistent with the length direction of sealed edge. Through the surface of heat seal layer away from aluminum foil layer is provided with concave-convex grain, effectively solve the misplacement of folding aluminum plastic film and lead to sealed edge misalignment, not only influence the appearance and size of battery, also influence the tightness of sealed edge, through the setting of bending groove, sealed edge bending resistance improves, is more docile, improves the tightness of sealing and battery size stability.
Owner:JIANGYIN SUDA HUICHENG COMPOSITE MATERIALS CO LTD