508 results about "Pouch cell" patented technology

This invention discloses a pouch battery module endplate flipping and loading device, relating to pouch battery module endplate conveying technology. It includes a loading bracket fixedly connected to a storage mechanism, with a battery endplate body to be clamped and loaded positioned below the loading bracket. It also includes a conveying mechanism positioned above the loading bracket, comprising a conveying support, and conveying grippers on both the front and rear sides of the lower end of the conveying support. The conveying support contains a dust removal mechanism, including a dust removal slide and a dust removal rotating shaft. This pouch battery module endplate flipping and loading device uses the dust removal mechanism inside the conveying bracket to assist in cleaning the clamping area of ​​the battery endplate body. After the clamping mechanism achieves positioning, the conveying mechanism drives the battery endplate body to rotate. Non-rigid contact avoids indentation damage, improving the efficiency and stability of the flipping and conveying process.

The invention provides a machine vision-based soft package battery tab accurate positioning and cutting method and system, and relates to the technical field of battery manufacturing, and the method comprises the steps: collecting front and side images of a soft package battery, and constructing a tab three-dimensional grid model; using a deep neural network to extract connection interface morphology features, and analyzing stress distribution; identifying a stress concentration area by adopting spectral imaging, and determining a cutting safety area; and finally planning a tool path and generating machining parameters. The optimal cutting position of the tab can be accurately identified, the cutting precision is improved, the deformation and damage risks of the tab are reduced, and the service life of the battery is prolonged.

The application discloses a metal organic framework reference solid-state electrolyte and a preparation method and application thereof, the electrolyte takes a commercial diaphragm as a base, takes a metal organic framework as a carrier, and has metal nanoparticles deposited on the base; wherein the metal nanoparticles provide nucleation sites for the metal organic framework on the base; the thickness of the metal organic framework layer of the electrolyte is 0.2-30 microns, and the mass of the electrolyte is 0.2-30 mg / cm 2 The application has the following advantages: (1) the electrolyte can construct a high specific energy lithium metal battery; (2) the electrolyte has excellent mechanical stability, and can still maintain structural stability even after experiencing hundreds of electrochemical cycles; (3) the electrolyte has good compatibility with lithium metal, and can significantly improve the cycle life of the lithium metal battery; and (4) a soft package battery of LiNi 0.8 Co 0.15 Al 0.05 O2 / / Li (NCA / / Li, 3-35 mg cm ‑2 NCA loading) has an energy density of 200-450 Wh / kg and stable electrochemical performance (50-1000 cycle life, 60-95% capacity retention rate).

The invention relates to the technical field of batteries, and provides a battery device and a power utilization device, the battery device comprises soft package battery monomers, a box body and a plurality of heat dissipation shells, the soft package battery monomers are accommodated in the box body, the heat dissipation shells are accommodated in the box body, the plurality of heat dissipation shells are arranged along a first direction, and the plurality of soft package battery monomers are accommodated in each heat dissipation shell; in the second direction, the heat dissipation shell is provided with a first end and a second end which are opposite, the first end is provided with an opening and fixedly connected to the bottom wall of the inner side of the box body through an adhesive layer, and the surface of the second end is connected with a first heat dissipation piece; wherein the first direction intersects with the second direction; according to the soft package battery monomer provided by the embodiment of the invention, the heat dissipation efficiency of the heat dissipation shell can be improved by utilizing the first heat dissipation piece, so that the heat dissipation effect of the soft package battery monomer in the heat dissipation shell is improved, and the probability of thermal runaway caused by thermal aggregation of the soft package battery monomer is effectively reduced.

The invention provides double-layer soft package battery normal temperature capacity grading power supply built-in all-in-one machine equipment, which comprises a rack assembly, a battery tray probe assembly and a power supply unit layer, and is characterized in that the battery tray probe assembly comprises a bottom plate, a fire-fighting spraying part, a fan heat dissipation part, a battery tray, a tray clamping and positioning toggle clamp and a probe clamp part; the device has the beneficial effects that the test fixture and the charge and discharge test power supply are integrated, the device integration degree is high, the occupied space is small, the device is divided into two layers to independently control the flexible test battery, the degree is high, the efficiency is high, the device appearance is attractive, operation and maintenance are simple, and particularly, exposed maintenance of a large number of channel lines is avoided; and the device can be widely applied to various large battery plant laboratories and scientific research institutions, and is suitable for being maturely popularized to the market in a large scale.

A battery cell is provided that includes a countered pouch form, tailored to match the geometry of the cell, including the tab region. The contoured pouch form provides a precise, conforming seat for the cell and tab region to reduce or mitigate deformation of cracking of layers of the pouched cell, particularly during vacuum sealing of the pouch. By optimizing the pouch form geometry to the shape of the contained stack, the structural integrity and reliability of battery pouch cells is improved.

The present invention relates to an apparatus for processing a pouch-type battery cell case and a processing method using same and, more specifically, to an apparatus for processing a pouch-type battery cell case and a processing method using same, the apparatus comprising: a die part on which a battery cell case including a pocket part and an extension part outside the pocket part is seated; a gripping part for transferring the extension part of the battery cell case to one side while gripping the extension part; and a cutting part positioned between the die part and the gripping part and cutting a partial area of the extension part of the battery cell case being transferred, wherein the die part is a conveyor which continuously moves toward one side.

The present invention provides a battery module structure including a battery cell stack formed by stacking a plurality of pouch-type battery cells, a frame that is open at the front and rear and that houses the battery cell stack, and a pair of end plates that cover the front and rear of the frame, and further includes a flame-retardant cover attached to a predetermined area on the surface of the frame, the predetermined area being divided into a plurality of divided areas, and the flame-retardant cover including a plurality of divided covers attached to cover each of the divided areas.

A battery module according to an embodiment of the present disclosure may include: pouch cells arranged in a first direction, each of the pouch cells including an electrode lead protruding in a second direction perpendicular to the first direction; a module frame configured to accommodate the pouch cells and open in the second direction, the module frame including a top plate positioned above the pouch cells; a vent suppression structure between the pouch cells and the top plate; and a first end plate coupled to the module frame in the second direction and including first vent holes.

A sealing block for sealing a pouch-shaped secondary battery includes a main body unit for sealing at least a part of an outer edge of a battery case from which an electrode terminal protrudes by applying heat and / or pressure thereto and a wrinkle prevention unit coupled perpendicularly to one surface of the main body unit, the wrinkle prevention unit including a curved structure that corresponds to a rounded corner of an electrode assembly reception unit of the battery case, wherein the wrinkle prevention unit further includes an extension portion for connecting the curved structure of the wrinkle prevention unit to the main body unit. Sealing may be performed when the wrinkle prevention unit is adjacent to the electrode assembly reception unit via the extension portion.

The invention discloses a battery tab heat sealing method and a production line, and relates to the field of tab heat sealability, and the tab heat sealing method at least comprises the following steps: S1, detecting the melting temperature Tmp of a PP layer and the melting temperature Tmt of tab glue; s2, the tab glue is preheated, the preheating time is T1, and the preheating temperature is Tm1; s3, carrying out heat sealing on the tab glue and the PP layer at the temperature of Tm2; s4, carrying out heat sealing on other sealing edges of the soft package battery; the temperature Tm1 for heating the tab glue in the step S2 is smaller than Tmp-10 DEG C and Tmt-10 DEG C at the same time, the tab glue is preheated before the tab glue and the PP layer on the tab are subjected to heat sealing, the heat sealing efficiency is improved, meanwhile, the tab glue plays a role in heating the PP layer from the inner side in the heat sealing process, the melting of the PP layer is accelerated, the melting uniformity of the PP layer is ensured, and the heat sealing efficiency is improved. Further, the fusion quality between the PP layer and the tab glue is improved, so that the PP layer is uniformly distributed, and the problems of poor insulation or liquid leakage and the like of a battery cell caused by formation of structural weak points are avoided.

This invention relates to the field of new energy technology and discloses a soft-pack battery and an electrical device. The soft-pack battery includes: a casing, a cell, and electrode sheets. The casing has a through-hole suitable for the electrode sheets to pass through, and the electrode sheets are at least partially disposed within the through-hole. A sealing and insulating member is disposed between the electrode sheets and the casing, and along a first direction, the sealing and insulating member is at least partially located within the through-hole. The electrode sheets have a notch at at least one end in a third direction, and the notch is connected to the casing through the sealing and insulating member. Along a second direction, the maximum size of the notch is A mm, and the thickness of the electrode sheet is B mm, satisfying: 0.069 ≤ A / B ≤ 0.889. The soft-pack battery provided by this invention controls A / B within a reasonable range, which can optimize the interlayer bonding form of the hot-press sealing while ensuring the conductivity of the electrode sheets, thereby improving the sealing reliability.

The utility model discloses a soft package battery liquid injection rotating platform mechanism which comprises a supporting base, a rotating base is arranged on the supporting base, and a transfer platform is provided with a first clamping mechanism for transversely clamping a soft package battery body in a self-adaptive mode. And a second clamping mechanism for longitudinally clamping a group of soft package battery bodies simultaneously is arranged on the transfer platform. According to the flexible package battery body clamping device, the flexible package battery bodies are placed in the first clamping mechanisms, the first clamping mechanisms can be attached to the outer sides of the flexible package battery bodies in a self-adaptive mode, the flexible package battery bodies are transversely clamped, and when one set of flexible package battery bodies are placed in the multiple sets of first clamping mechanisms, the flexible package battery bodies are clamped. Second clamping mechanisms are attached to the front end and the rear end of a set of soft package battery bodies at the same time, the front end and the rear end of the set of soft package battery bodies are clamped and fixed, shells with the same thickness are arranged on the outer sides of the soft package battery bodies in a sleeving mode, and the soft package battery bodies with different widths are adapted through the thicknesses of grooves formed in the shells in a sleeving mode. The shell is directly attached to the clamping mechanism.

The application provides a soft package battery and an electric tool, and relates to the technical field of batteries. The soft package battery comprises a shell, an electric core assembly arranged in the shell, and a circuit board assembly, the electric core assembly is provided with a connecting end for electrically connecting with the circuit board assembly; the soft package battery further comprises a heat-conducting buffer layer arranged on at least one surface of the electric core assembly except the surface where the connecting end is located. The soft package battery can realize heat conduction and mechanical shock absorption at the same time, and the use safety and reliability of the soft package battery are improved.

The utility model discloses a soft package battery and a battery pack, and the soft package battery comprises a shell which comprises a body part and a packaging part; the battery cell comprises an electrode assembly, a positive electrode lug and a negative electrode lug, the electrode assembly is arranged in the body part, the positive electrode lug and the negative electrode lug are connected with the electrode assembly, the positive electrode lug and the negative electrode lug are located on the same side of the electrode assembly in the third direction, and the positive electrode lug and the negative electrode lug penetrate through the packaging part in the third direction and extend out of the packaging part; and the acquisition board is arranged at the packaging part, the acquisition board is provided with an acquisition module and a wireless transmitting module, the acquisition module is electrically connected with the positive tab and the negative tab, and the wireless transmitting module is electrically connected with the acquisition module. The data information of the battery cell is acquired through the acquisition module, and the acquired data information is transmitted to the external equipment through the wireless transmitting module, so that powerful data support is provided for state evaluation, fault diagnosis and predictive maintenance of the battery cell, cable arrangement is omitted, the structure is simplified, the weight is reduced, and the occupied space is reduced.

The utility model belongs to the technical field of battery manufacturing, and particularly relates to an edge folding device for a soft package battery. The edge folding device for the soft package battery comprises a base, and further comprises a positioning structure which is arranged on the base and is used for positioning a battery cell during edge folding, and an edge folding unit which is arranged on at least one side of the positioning structure and is used for supporting and shaping a side sealing edge of the battery during edge folding, each edge folding unit is provided with a horizontal supporting surface for supporting the side sealing edge of the battery during edge folding, and an edge folding surface which is connected with the horizontal supporting surface at a preset angle and is used for shaping the side sealing edge of the battery during edge folding. When in use, the battery cell is accurately positioned and limited through the positioning structure, so that the battery cell is prevented from shifting in the edge folding process; the battery side sealing edge is supported through the horizontal supporting surface of the edge folding unit, and the battery side sealing edge is shaped through the edge folding surface, so that the problems of collapse or arching and the like of the side sealing edge are effectively avoided when the battery side sealing edge is pressed and folded, and the edge folding flatness of the battery side sealing edge is effectively ensured.

The invention relates to the technical field of new energy, and discloses a soft package battery device and electric equipment. The fixing strip comprises an extending section and a fixing section, and the extending section and the second end face are oppositely arranged; the fixed sections are arranged at the two ends of the extending section in the first direction and connected to the two first end faces respectively. An elastic insulating layer is arranged on at least part of the periphery of the extension section and is at least located between the fixing strip and the shell; in the second direction, the ratio of the size of the fixing strip to the size of the second end face is M; the thickness of the elastic insulating layer is D2 [mu] m; the shell at least comprises an inner metal layer and an outer insulating layer covering the outer surface of the inner metal layer, and the thickness of the outer insulating layer is D1 [mu] m; m * D1 * D2 is greater than or equal to 14.4 and less than or equal to 40850. The soft package battery device provided by the invention ensures the insulation use safety of the battery, and improves the space utilization rate of the battery pack at the same time.

The invention provides a foldable soft package battery cell. A collapsible pouch battery cell for use within a traction battery pack is provided. An exemplary pouch battery cell may include a flexible portion that may be folded to provide a more compact packaging design than a conventional pouch battery cell. The proposed design allows the sensitive component of the pouch cell to further move away from the layered body of the electrode assembly of the pouch cell. And the flexible part of the soft package battery cell can be bent by 90 degrees or more. Compared with the conventional soft package battery cell design, the compact design is convenient for increasing the energy density.

The invention relates to the technical field of batteries, and discloses a battery pack and an electric device. The battery pack comprises a plurality of soft package batteries, each soft package battery comprises a shell, the shell comprises two large surfaces opposite to each other along a first direction and two side surfaces opposite to each other along a second direction, and the plurality of soft package batteries are arranged along the first direction; the shell is used for accommodating the soft package battery and comprises a side plate and a fixing piece, and the side plate is opposite to the large surface; the fixing piece is arranged opposite to the side surface; the side plates comprise an inner side plate and an outer side plate, and in the first direction, the inner side plate is closer to the soft package battery than the outer side plate; the fixing piece is welded to the outer side plate through at least one welding part, and the welding part is opposite to the large face. Therefore, the inner side plate plays a certain role in heat insulation, and the risk that the aluminum plastic film is damaged due to high temperature is avoided.

The invention relates to the field of battery processing, and discloses a bag-shaped battery cell shell processing device and a processing method using the bag-shaped battery cell shell processing device, and particularly discloses the bag-shaped battery cell shell processing device and the processing method using the bag-shaped battery cell shell processing device. The mold unit is configured to allow a battery cell case including a pouch portion and an extension portion provided outside the pouch portion to be placed on the mold unit; the clamping unit is configured to convey the extension part of the battery cell shell to one side while clamping the extension part of the battery cell shell; the cutting unit is located between the mold unit and the clamping unit, the cutting unit is constructed to cut a part of an extending part of a battery cell shell which is being conveyed, and the mold unit is a conveying device which is constructed to continuously move towards one side.

The application relates to the technical field of electric tools, in particular to a battery cell containing structure and a soft package battery. The battery cell containing structure comprises a first half shell and a mounting bracket. The first half shell is provided with a bottom plate and a shell side wall connected with each other. The mounting bracket comprises a mounting partition plate and a first side plate connected with the mounting partition plate perpendicularly. The mounting partition plate is parallel and spaced apart from the bottom plate, and the first side plate extends towards the bottom plate. The mounting partition plate, the bottom plate and the first side plate enclose a containing cavity for containing a soft package battery cell. The surfaces of the mounting partition plate and the bottom plate facing the containing cavity extend horizontally, and the surface of the first side plate facing the containing cavity extends vertically. The application effectively physically restricts the soft package battery cell, avoids position deviation or collision of the soft package battery cell, improves the stability and service life of the battery, and improves the space utilization of the battery to a certain extent.

The application discloses a positioning mechanism and a soft package battery packaging positioning method, and the positioning mechanism comprises a coarse positioning module, a fine positioning module and a dynamic compensation module. The coarse positioning module comprises an adjustable vacuum suction head and a porous adsorption platform. When lug welding is performed, the lug is fixed and clamped through the adjustable vacuum suction head, and the electrode sheet is fixed by vacuum negative pressure through the porous adsorption platform. The adjustable vacuum suction head is used for adjusting the structure according to different specifications of the lug, so as to balance the suction force of the adjustable vacuum suction head and the gravity of the lug. The fine positioning module comprises an image sensor and a controller. When lug welding is performed, the real-time position condition of the electrode sheet at the welding position is collected through the image sensor, and the controller adjusts the welding position of the lug according to the real-time position condition of the electrode sheet. The dynamic compensation module obtains the real-time position condition of the electrode sheet and dynamically adjusts when the position deviation exceeds the limit.

The utility model discloses a battery cell binding and rubberizing mechanism which comprises a moving assembly, a first fixing plate is installed at the moving end of the moving assembly, a transverse moving assembly is installed on the first fixing plate and connected with a movable plate, and the movable plate is in sliding connection with the first fixing plate. A storage wheel, a rubberizing assembly and a cutting assembly are mounted on the movable plate; compared with the prior art, the two ends of the adhesive tape do not need to be straightened and then the adhesive tape is pasted, in the adhesive tape pasting process, the adhesive tape is pasted on the soft package battery, the adhesive tape can be pulled out of the material storage wheel to complete the stretching action, an additional power device is not needed, and the adhesive tape pasting device is convenient to use and high in practicability. The whole structure is simplified, and the working efficiency is further improved.

The invention relates to an X-ray diffraction imaging and real-time gas analysis method and device, and the device comprises a detachable battery mold, an embedded gas circuit, a heating wire, a heating wire power supply line, an XY displacement platform pedestal, a mass spectrometer, a charging and discharging device, and a diaphragm. A first X-ray window is arranged on the battery mold positive electrode shell, a second X-ray window is arranged on the battery mold negative electrode shell, the XY displacement table base is supported at the bottom of the detachable battery mold, the charging and discharging device is electrically connected with a battery electrode, and the mass spectrometer is communicated with the embedded gas circuit through a pipeline. In the invention, through the cooperation of the detachable battery mold, the X-ray window I / II, the displacement mechanism, the embedded gas path, the gas inlet / outlet hole and the mass spectrometer (OEMS / GCMS), the structural evolution detection and large-area phase scanning imaging of the finished product soft package battery are realized, and the synchronous association of a crystal structure, gas production and the like is achieved.

The utility model provides a kind of soft package electric core automatic suction handling line-up structure, it is applied in soft package battery hot-pressing formation automatic feeding and discharging mechanism, including rack, automatic taking and placing material manipulator assembly, feeding line-up component, discharging line-up component, the rack top is equipped with automatic taking and placing material manipulator assembly, the automatic taking and placing material manipulator assembly below is equipped with feeding line-up component respectively, discharging line-up component, the utility model has the beneficial effect that: the structure can realize the full-automatic line-up of battery in soft package battery hot-pressing formation process, prepare for subsequent crown crane to material to hot-pressing formation station, equipment degree of automation is high, error rate is low, efficiency is high, greatly reduce manpower cost, reduce the situation that manual taking and placing battery are prone to error, equipment integration is high, floor space is small, market application is wide.

The invention relates to the technical field of new energy, and discloses a battery device and electric equipment. A heat exchange plate; the fixing plates comprise the first fixing plate and the second fixing plate which are arranged on the two second side faces respectively. The metal fastening belt is fixedly connected with the first fixing plate and the second fixing plate, and at least part of the metal fastening belt is opposite to the first end face in the second direction. The width of the metal fastening belt is Amm; the soft package battery comprises a shell and a battery cell arranged in the shell, the battery cell comprises a plurality of pole pieces arranged in a stacked mode in the first direction, and the shell at least comprises a first metal layer; the thickness of the first metal layer is Dmm in the direction perpendicular to the first end face; the distance between the pole piece on the outermost side of the battery cell in the first direction and the inner wall of the shell on the adjacent side is Hmm, and A * D * H is more than or equal to 0.015 and less than or equal to 4.8. According to the battery device provided by the invention, the heat exchange efficiency of the battery pack is guaranteed, and battery cell damage caused by shell deformation is avoided.

The application relates to the technical field of electric tools, in particular to a mounting bracket and a soft package battery, which comprises a bracket body with a mounting surface; a clamping structure and a limiting structure are protruded on the mounting surface and used for mounting a main control board of the soft package battery; the clamping structure and the limiting structure are respectively located at two ends of the main control board; first clamping parts and second clamping parts are respectively arranged at the two ends of the main control board; the clamping structure and the first clamping parts abut against each other and block displacement of the main control board in the direction perpendicular to the mounting surface and the direction parallel to the mounting surface; the limiting structure and the second clamping parts abut against each other and block displacement of the main control board in the direction parallel to the mounting surface. Through the structural improvement, the main control board is convenient to disassemble and assemble, damage of the main control board is effectively avoided, and the stability and reliability of the structure are improved.