Battery packaging lining and battery packaging structure
By combining foam design with raised groove structure in the battery packaging liner, the problem of dirt caused by foam shedding is solved, the stability and safety of the battery packaging structure are improved, and production costs are reduced.
Patent Information
- Application Number
- CN202520172112.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-24
AI Technical Summary
In existing battery packaging structures, foam is prone to shedding, affecting product cleanliness and performance, leading to customer dissatisfaction and increased costs.
The design employs a combination of two different foam materials, which are molded as a whole through a one-time molding process. These foams are used to protect the bottom and top terminals of the battery cell, respectively. The combination of raised and recessed structures ensures a stable connection, reducing loosening and the entry of impurities.
It effectively prevents dirt from getting on the top patch of the battery cell, improves production efficiency and cost-effectiveness, enhances the stability and safety of the battery packaging structure, and ensures the protection of the battery cell during transportation.
Smart Images
Figure CN223703697U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of batteries, in particular to a battery packaging liner and a battery packaging structure. BACKGROUND
[0002] The battery packaging structure is a structure specially used for effectively packaging a plurality of battery cells, which not only ensures the safety of the battery cells in the storage and transportation process, but also provides necessary protection measures to prevent the battery cells from being damaged in the handling process.
[0003] However, the foam used in the battery packaging structure often has a packaging residue problem, which not only affects the cleanliness of the surface of the internal product, but also may even damage the performance of the product itself, thereby causing dissatisfaction and complaints of customers, leading to product returns, and further affecting cost effectiveness. CONTENT OF THE UTILITY MODEL
[0004] The application provides a battery packaging liner and a battery packaging structure, the material of the first combination part and the second combination part of the battery packaging liner can have different characteristics, thereby meeting different needs of the battery cells. The dirty phenomenon of the top patch of the battery cell is effectively prevented.
[0005] In a first aspect, the application provides a battery packaging liner for placing a plurality of battery cells at the same time, the battery packaging liner is a combination foam formed by at least two materials, including a first combination part and a second combination part.
[0006] The first combination part is arranged on the first side of the battery packaging liner, and a plurality of placement cavities are arranged on the first combination part, the placement cavities are used for placing the bottom of the battery cell, and each placement cavity corresponds to one battery cell.
[0007] The second combination part is arranged on the second side of the battery packaging liner, the second side is the side opposite to the first side, and a plurality of containing cavities are arranged on the second combination part, the containing cavities are used for containing the top pole of the battery cell, and each containing cavity corresponds to one battery cell.
[0008] The application adopts a combination of upper and lower foams, realizes the effect of integral molding by one-time mold compression molding process, and the structure design can effectively prevent the dirty phenomenon of the top patch of the battery cell. Since the combined foam can be compression molded in the same mold, it is not necessary to additionally increase new packaging materials to improve the problem. Such process not only prevents the dirty of the top patch of the battery cell, but also reduces the production cost, and helps to avoid complaints and dissatisfaction of customers.
[0009] Further, the materials of the first combination part and the second combination part can have different properties to meet different needs of the battery cell. For example, the first combination part can adopt a relatively soft material to better fit the bottom of the battery cell and provide better cushioning and protection; while the second combination part can adopt a relatively hard material to better support the top pole of the battery cell and prevent the battery cell from shaking or being damaged during transportation or use. This combined design not only improves the practicality and durability of the battery packaging liner, but also further improves the safety and stability of the battery cell.
[0010] Through this design, the battery packaging liner can effectively protect the battery cell and avoid damage due to collision or vibration during transportation or storage.
[0011] In some examples, the side of the first combination part close to the second combination part is a first connecting surface, provided with at least one groove structure, and the side of the second combination part close to the first combination part is a second connecting surface.
[0012] One of the first connecting surface and the second connecting surface is provided with at least one protrusion structure, and the other of the first connecting surface and the second connecting surface is provided with at least one groove structure.
[0013] The protrusion structure is matched with the groove structure, and the protrusion structure fills the groove structure.
[0014] This design not only simplifies the production process, but also improves the manufacturing efficiency of the battery packaging liner. The close fit of the protrusion structure and the groove structure ensures a stable connection between the first combination part and the second combination part, which is not easy to loosen. At the same time, this connection method also reduces the possibility of impurities entering due to the gap between the parts, further protecting the cleanliness and safety of the battery cell.
[0015] In some examples, the protrusion structure is provided with one and is on the first connecting surface, and the groove structure is opened on the second connecting surface.
[0016] This design makes the assembly process more intuitive and simple. The protrusion structure is located on the first connecting surface as the leading part of the connection, and the groove structure is located on the second connecting surface as the part receiving the protrusion structure. When the first connecting surface and the second connecting surface approach each other, the protrusion structure will automatically find and accurately embed into the groove structure, forming a firm and stable connection. This one-to-one correspondence of the protrusion and the groove not only simplifies the assembly steps, but also greatly improves the accuracy and reliability of the connection.
[0017] In some examples, the side of the protrusion structure and the side wall of the groove structure are in abutment with each other.
[0018] This design further enhances the stability and firmness of the connection. The circumferential side of the protruding structure closely fits the side wall of the groove structure, forming a tight wrapping relationship that effectively prevents the battery packaging liner from loosening or deforming under stress. In addition, this abutting method can also disperse the stress to some extent, improving the overall carrying capacity of the battery packaging structure. Therefore, even in harsher use environments, this battery packaging structure can maintain its stability and reliability, ensuring the safety and normal operation of the battery.
[0019] In some examples, the circumferential side of the protruding structure is inclined relative to the plane and forms a draft angle of 5° to 45°.
[0020] This inclined arrangement not only facilitates the demolding of the protruding structure during manufacturing, improving production efficiency, but also provides a guiding effect when the protruding structure is combined with the groove structure, allowing the protruding structure to be more smoothly and accurately embedded into the groove structure. In addition, the presence of the draft angle can also increase the contact area between the protruding structure and the groove structure to some extent, further enhancing the stability and firmness of the connection. At the same time, the range of 5° to 45° of the draft angle is carefully designed to meet production needs without adversely affecting the strength and reliability of the connection. Therefore, this design plays an important role in improving the overall performance and reliability of the battery packaging structure.
[0021] In some examples, the first combined part is a polystyrene foam plastic plate. The second combined part is one of a foamed polypropylene plate, a polyolefin foam plate, and an epoxy foam plate.
[0022] The selection of these materials not only considers their lightweight properties, but also their cushioning ability and stability when subjected to external forces. Polystyrene foam plastic plates, with their good thermal insulation performance and relatively light weight, become the ideal choice for the first combined part, helping to reduce the overall weight of the battery packaging structure while providing some protection. Foamed polypropylene plates, polyolefin foam plates, and epoxy foam plates are selected as alternative materials for the second combined part due to their excellent chemical corrosion resistance, high elasticity, and good processing performance. The selection of these materials aims to ensure that both combined parts maintain good stability when combined and adapt to various complex use environments. In addition, these materials have relatively high cost-effectiveness, which helps to reduce the manufacturing cost of the entire battery packaging structure.
[0023] In some examples, the first combined part and the second combined part are fixedly connected or integrally arranged, and the fixed connection includes at least one of bonding, clamping, binding, and inserting.
[0024] This design not only enhances the stability of the connection surface, but also improves the reliability and durability of the entire battery packaging structure. The bonding method uses adhesive to tightly combine the two combined parts, which is suitable for scenarios that require high sealing and stability. The clamping design quickly and firmly connects through the buckle structure, making it easy to assemble and disassemble. The binding method uses ropes, straps, and other materials to fix the combined parts, which is suitable for situations where the connection strength is not high. The plug-in design uses the combination of plugs and sockets to achieve convenient connection between the combined parts, making it easy to replace and maintain the modules. The choice of these fixed connection methods depends on the specific application scenario and requirements to ensure the overall performance and safety of the battery packaging structure.
[0025] In some examples, the first combined part and the second combined part are integrally formed by simultaneous molding.
[0026] Alternatively, the first combined part and the second combined part are integrally formed by sequential molding.
[0027] Alternatively, the first combined part and the second combined part are separately molded, and then the first combined part and the second combined part are fixedly connected.
[0028] This integrally formed design not only simplifies the production process, but also reduces the gap of the connection surface, further improving the sealing and stability of the battery packaging structure. The simultaneous molding method ensures that the two combined parts are tightly combined during the molding process, achieving high structural strength. The sequential molding method allows more precise control of each combined part during the molding process to meet complex structural requirements. The separately molded and then fixedly connected method provides greater flexibility, allowing different materials and processes to be selected for processing, and then using various fixed connection methods such as bonding and clamping to firmly combine the two combined parts. These integrally formed and fixedly connected methods work together on the connection surface to ensure the overall performance and reliability of the battery packaging structure.
[0029] In some examples, the battery packaging liner further includes at least one third combined part, which is arranged between the first combined part and the second combined part.
[0030] In some specific examples, the design of the battery packaging liner can also include other structural elements, such as at least one third combined part. This third combined part is cleverly arranged between the first combined part and the second combined part, playing a role in connecting and supporting in the overall structure of the battery packaging liner. This design not only enhances the stability of the battery packaging liner, but also may help better secure the battery, ensuring the safety of the battery during transportation.
[0031] In a second aspect, the application provides a battery packaging structure, comprising the battery packaging liner and a box body, wherein the box body is provided with at least one battery packaging liner.
[0032] The above structure design can effectively prevent the top patch of the battery cell from being dirty. Since the combined foam can be compression molded in the same mold, there is no need to add new packaging materials to improve the problem.
[0033] Specifically, the materials of the first and second combination parts of the battery packaging liner can have different properties to meet the different needs of the battery cell. For example, the first combination part can be made of a relatively soft material to better fit the bottom of the battery cell and provide better cushioning and protection; and the second combination part can be made of a relatively hard material to better support the top pole of the battery cell and prevent the battery cell from shaking or being damaged during transportation or use. This combined design not only improves the practicality and durability of the battery packaging liner, but also further improves the safety and stability of the battery cell. BRIEF DESCRIPTION OF DRAWINGS
[0034] In order to more clearly illustrate the technical solutions in the application or the prior art, the drawings needed in the examples or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some examples of the application, and other drawings can be obtained by those skilled in the art without creative labor.
[0035] Figure 1 The exploded structural diagram of the battery packaging liner in an example of the application.
[0036] Figure 2 The top view structural diagram of the battery packaging liner in an example of the application.
[0037] Figure 3 The exploded structural diagram of the battery packaging liner after sectioning in an example of the application.
[0038] Figure 4 The sectional view structural diagram of the battery packaging liner in an example of the application.
[0039] Figure 5 The sectional view structural diagram of the battery packaging liner in an example of the application. Figure 4 The sectional view enlarged diagram of the draft angle of the raised structure in the battery packaging liner at A in FIG. 8.
[0040] Figure 6 The sectional view enlarged diagram of the draft angle of the raised structure in the battery packaging liner in an example of the application.
[0041] Figure 7Another sectional structure schematic diagram of the battery packaging liner in the examples of the present application.
[0042] Reference signs:
[0043] 100, first combination part; 110, placement cavity; 120, first connecting surface; 130, convex structure; 200, second combination part; 210, containing cavity; 220, second connecting surface; 230, groove structure. DETAILED DESCRIPTION
[0044] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.
[0045] In order to solve the above technical problems, please refer to Figures 1-7 The first aspect of the present application proposes a battery packaging liner, the material of the first combination part 100 and the second combination part 200 of the battery packaging liner can have different characteristics, thereby meeting the different needs of the battery cell. Effectively prevent the battery cell top sticker from being dirty.
[0046] Refer to Figure 1 and Figure 2 In some examples, the battery packaging liner is used to place multiple battery cells at the same time, and the battery packaging liner is a combination foam formed by at least two materials, including a first combination part 100 and a second combination part 200.
[0047] The first combination part 100 is arranged on the first side of the battery packaging liner, and a plurality of placement cavities 110 are arranged on the first combination part 100, the placement cavities 110 are used to place the bottom of the battery cell, and each placement cavity 110 corresponds to one battery cell.
[0048] The second combination part 200 is arranged on the second side of the battery packaging liner, and the second side is the side opposite to the first side, and a plurality of containing cavities 210 are arranged on the second combination part 200, the containing cavities 210 are used to contain the top pole of the battery cell, and each containing cavity 210 corresponds to one battery cell.
[0049] The present application adopts a combination of upper and lower foams, which realizes the effect of integral molding by one-time mold compression molding process; this structure design can effectively prevent the battery cell top sticker from being dirty. Since this combination foam can be compression molded in the same mold, there is no need to additionally increase new packaging materials to improve the problem. Such a process not only prevents the battery cell top sticker from being dirty, but also reduces production cost, and helps to avoid complaints and dissatisfaction of customers.
[0050] Further, the materials of the first combination part 100 and the second combination part 200 can have different properties to meet the different needs of the battery cells. For example, the first combination part 100 can adopt a relatively soft material to better fit the bottom of the battery cell and provide better cushioning and protection; while the second combination part 200 can adopt a relatively hard material to better support the top pole of the battery cell, preventing the battery cell from shaking or being damaged during transportation or use. This combined design not only improves the practicality and durability of the battery packaging liner, but also further enhances the safety and stability of the battery cell.
[0051] Through this design, the battery packaging liner can effectively protect the battery cell and avoid damage due to collision or vibration during transportation or storage.
[0052] Specifically, the first combination part 100 is arranged on one side of the battery packaging liner, and a plurality of special placement cavities 110 are arranged on the combination part of this side. The purpose of these placement cavities 110 is to stably place the bottom part of each battery cell, ensuring that each battery cell can find its exclusive positioning space in the liner, and each placement cavity 110 corresponds to a specific battery cell.
[0053] The second combination part 200 is arranged on the other side of the battery packaging liner, which is opposite to the first side. A plurality of accommodation cavities 210 are arranged on the second combination part 200, which are used to safely accommodate the top pole of each battery cell. Through this design, each accommodation cavity 210 can match a specific battery cell, thereby providing additional protection and support for the top of the battery cell.
[0054] That is, the first combination part 100 and the second combination part 200 are connected to each other through a specific connection structure, so that the battery packaging liner can stably fix the battery cell. On the first combination part 100, the design of the placement cavity 110 fully considers the shape and size of the bottom of the battery cell, ensuring that the battery cell can be stably placed in the placement cavity 110, avoiding movement or collision of the battery cell during transportation or use.
[0055] At the same time, the accommodation cavity 210 on the second combination part 200 matches the top pole of the battery cell, providing good support and protection for the battery cell. The design of the accommodation cavity 210 not only ensures the stable placement of the top pole of the battery cell, but also helps to improve the overall stability and safety of the battery packaging structure.
[0056] In addition, the battery packaging liner with this combined foam material has good elasticity and cushioning performance, which can absorb and disperse the impact force received by the battery cell during transportation or use to a certain extent, further protecting the safety of the battery cell.
[0057] Referring toFigure 3 and Figure 4 In some examples, the first combination part 100 has a first connecting surface 120 on one side close to the second combination part 200, and at least one groove structure 230 is arranged on the first connecting surface 120. The second combination part 200 has a second connecting surface 220 on one side close to the first combination part 100.
[0058] At least one protrusion structure 130 is arranged on one of the first connecting surface 120 and the second connecting surface 220, and at least one groove structure 230 is arranged on the other of the first connecting surface 120 and the second connecting surface 220.
[0059] The protrusion structure 130 is matched with the groove structure 230, and the protrusion structure 130 fills the groove structure 230.
[0060] This design not only simplifies the production process, but also improves the manufacturing efficiency of the battery packaging liner. The close fit of the protrusion structure 130 and the groove structure 230 ensures a stable connection between the first combination part 100 and the second combination part 200, which is not easy to loosen. At the same time, this connection method also reduces the possibility of impurities entering due to the gap between the parts, further protecting the cleanliness and safety of the battery cell.
[0061] In addition, through the technology of integrally molding by mold pressing, the combination of the upper and lower parts of the foam is more compact, without the need for additional adhesives or other fixing means, which not only reduces production costs, but also improves product reliability and durability. This integrated design also helps to reduce safety hazards caused by loose or missing parts during transportation and use.
[0062] In summary, the battery packaging liner with protrusion structure 130 and groove structure 230 not only improves the protection effect of the battery cell, but also optimizes the production process and reduces costs, which is an innovative design in the field of battery packaging.
[0063] This design not only increases the connection strength between the first combination part 100 and the second combination part 200, but also makes the battery packaging liner more convenient and fast to assemble. The mutual adaptation of the protrusion structure 130 and the groove structure 230 ensures that the first combination part 100 and the second combination part 200 can be precisely aligned when connected, avoiding the problem of unstable connection caused by misalignment. At the same time, this connection method also has a certain foolproof effect, making it difficult to make mistakes during assembly, improving assembly efficiency and accuracy. In addition, the arrangement of the protrusion structure 130 and the groove structure 230 can also increase the strength and stability of the battery packaging liner to a certain extent, making the battery packaging structure more solid and durable.
[0064] Referring to Figures 1 to 4In some examples, the protruding structure 130 is provided on the first connecting surface 120, and the recessed structure 230 is provided on the second connecting surface 220.
[0065] Such a design makes the assembly process more intuitive and simple. The protruding structure 130 is located on the first connecting surface 120 as the leading part of the connection, while the recessed structure 230 is located on the second connecting surface 220 as the part receiving the protruding structure 130. When the first connecting surface 120 and the second connecting surface 220 are close to each other, the protruding structure 130 will automatically find and accurately embed into the recessed structure 230, forming a firm and stable connection. Such one-to-one correspondence between the protruding structure and the recessed structure not only simplifies the assembly steps, but also greatly improves the accuracy and reliability of the connection.
[0066] In some examples, the peripheral side of the protruding structure 130 abuts against the side wall of the recessed structure 230.
[0067] Such a design further enhances the stability and firmness of the connection. The peripheral side of the protruding structure 130 closely fits the side wall of the recessed structure 230, forming a tight wrapping relationship, effectively preventing the battery packaging liner from loosening or deforming under stress. In addition, this abutting mode can also disperse the stress to some extent, improving the overall carrying capacity of the battery packaging structure. Therefore, even in a more severe use environment, such a battery packaging structure can maintain its stability and reliability, ensuring the safety and normal operation of the battery.
[0068] Referring to Figures 4 to 6 In some examples, the peripheral side of the protruding structure 130 is inclined relative to the plane and forms a draft angle, and the angle of the draft angle is 5° to 45°, and the specific angle can also be 10°, 15°, 20°, 25°, 30°, 35°, 40°, etc.
[0069] Such an inclined arrangement not only facilitates the demolding of the protruding structure 130 during the manufacturing process, improving production efficiency, but also provides a guiding effect when the protruding structure 130 combines with the recessed structure 230, enabling the protruding structure 130 to be more smoothly and accurately embedded into the recessed structure 230. In addition, the presence of the draft angle can also increase the contact area between the protruding structure 130 and the recessed structure 230 to some extent, thereby further enhancing the stability and firmness of the connection. At the same time, the range of 5° to 45° of the draft angle is carefully designed, which can not only meet the production requirements, but also will not adversely affect the strength and reliability of the connection. Therefore, such a design plays an important role in improving the overall performance and reliability of the battery packaging structure.
[0070] Further, the side of the first combination part 100 near the second combination part 200 is specially designed with at least one groove structure 230, which aims to provide an accurate docking position for the second combination part 200. At the same time, the side of the second combination part 200 near the first combination part 100 is provided with at least one protrusion structure 130, which is matched in shape and size with the groove structure 230, ensuring that the two can be tightly combined together. When the protrusion structure 130 of the second combination part 200 is inserted into the groove structure 230 of the first combination part 100, they can perfectly fit, so that the protrusion structure 130 can be completely filled into the groove structure 230, ensuring that the connection between the two combination parts is both stable and reliable.
[0071] Similarly, in order to achieve accurate docking and tight combination between the two combination parts, the side of the first combination part 100 near the second combination part 200 is also provided with at least one protrusion structure 130. These protrusion structures 130 are designed to match the groove structure 230 of the second combination part 200, and when the protrusion structure 130 of the first combination part 100 contacts the groove structure 230 of the second combination part 200, they can seamlessly dock, forming a stable connection. This design not only ensures that the protrusion structure 130 can smoothly fill into the corresponding groove structure 230, but also further enhances the connection strength and stability between the two combination parts.
[0072] By precisely filling the protrusion structure 130 into the groove structure 230, the contact area between the first combination part 100 and the second combination part 200 can be significantly increased. This increased contact area is crucial for improving the connection strength and stability between the two combination parts. When the two combination parts are tightly combined together, the connection between them is not only more secure, but also better able to withstand various external forces, thereby ensuring the stability and durability of the entire structure.
[0073] This design not only enhances the overall structural strength of the battery packaging structure, but also ensures the tight fit between the components during use, preventing safety hazards caused by looseness or misalignment. In addition, through the mutual adaptation of the protrusion structure 130 and the groove structure 230, more uniform stress distribution can also be achieved, reducing the risk of damage caused by excessive local stress. Therefore, this connection surface design with protrusion structure 130 and groove structure 230 has important significance in improving the durability and safety of the battery packaging structure.
[0074] Referring to Figure 7 , the connection between the first combination part 100 and the second combination part 200 can also not be provided with the above-mentioned protrusion structure 130 and groove structure 230.
[0075] In some examples, the first combination part 100 is a polystyrene foam board. The second combination part 200 is one of a foamed polypropylene board, a polyolefin foam board, and an epoxy foam board.
[0076] The selection of these materials not only takes into account their lightweight properties, but also their cushioning ability and stability when subjected to external forces. Polystyrene foam board, with its good thermal insulation performance and relatively light weight, becomes an ideal choice for the first combination part 100, helping to reduce the weight of the entire battery packaging structure while providing some protection. While foamed polypropylene board, polyolefin foam board and epoxy foam board are selected as alternative materials for the second combination part 200 due to their excellent chemical corrosion resistance, high elasticity and good processing performance. The selection of these materials aims to ensure that the two combination parts can maintain good stability when combined and adapt to various complex use environments. In addition, these materials are relatively cost-effective, which helps to reduce the manufacturing cost of the entire battery packaging structure.
[0077] Specifically, EPS (polystyrene foam), EPP (foamed polypropylene), GPO (polyolefin foam) and EPO (epoxy foam) are used in the design. The foam placed in the bottom slot of the battery pack is EPS material, while the foam covering the top pole slot of the battery is a composite material composed of EPP, GPO and EPO. Such design aims to provide appropriate support, protection and insulation for the battery, ensuring the safety and performance of the battery during use.
[0078] Foam is a lightweight and porous material commonly used in thermal insulation, sound insulation, shock absorption and other fields. EPS is polystyrene foam, a commonly used lightweight thermal insulation material with good cushioning performance. EPP is foamed polypropylene, a foam material with excellent elasticity and impact resistance. GPO is polyolefin foam, a foam material with good mechanical strength and chemical resistance. EPO is epoxy foam, a foam material that usually has high strength and heat resistance.
[0079] EPS, EPP, GPO and EPO, these foam materials have their own characteristics in performance.
[0080] EPS, i.e. polystyrene foam, is known for its lightweight and good thermal insulation performance, but its elasticity and impact resistance are relatively weak.
[0081] EPP, also known as expanded polypropylene, has excellent elasticity and impact resistance, capable of absorbing external impact to a large extent and protecting the battery from damage. GPO, polyolefin foam, has excellent mechanical strength and chemical resistance, suitable for environments that need to withstand certain pressure and chemical corrosion. EPO, epoxy foam, generally has high strength and heat resistance, capable of maintaining structural stability and performance in high temperature environments.
[0082] Therefore, when selecting foam materials, these performance characteristics need to be balanced according to specific application scenarios and requirements.
[0083] In some examples, the first combination part 100 and the second combination part 200 are fixedly connected or integrally arranged, and the fixed connection includes at least one of bonding, clamping, binding, and plugging.
[0084] The first combination part 100 and the second combination part 200 are connected by a fixed connection, or they are designed as an integral structure. This fixed connection can include a variety of connection techniques, such as bonding, clamping, binding, and plugging, at least one of which is used.
[0085] This design not only enhances the stability of the connection surface, but also improves the reliability and durability of the entire battery packaging structure. The bonding method uses adhesive to tightly combine the two combination parts, suitable for scenarios that require high sealing and stability. The clamping design achieves quick and secure connection through a clamping structure, facilitating assembly and disassembly. The binding method uses ropes, straps, and other materials to fix the combination parts, suitable for situations where the connection strength is not high. The plug-in design uses the cooperation of plugs and sockets to achieve convenient connection between combination parts, facilitating module replacement and maintenance. The choice of these fixed connection methods depends on the specific application scenario and requirements to ensure the overall performance and safety of the battery packaging structure.
[0086] In some examples, the first combination part 100 and the second combination part 200 are integrally formed by simultaneous molding.
[0087] Alternatively, the first combination part 100 and the second combination part 200 are integrally formed by sequential molding.
[0088] Alternatively, the first combination part 100 and the second combination part 200 are integrally formed by sequential molding.
[0089] The first combination part 100 and the second combination part 200 are integrally formed by a simultaneous molding process.
[0090] In another embodiment, the first combination part 100 and the second combination part 200 are integrally formed by a sequential compression molding process.
[0091] In another embodiment, the first combination part 100 and the second combination part 200 are integrally formed by a sequential compression molding process.
[0092] This integrally formed design not only simplifies the production process, but also reduces the gap of the connecting surface, further improving the sealing and stability of the battery packaging structure. At the same time, the compression molding method can ensure that the two combination parts are tightly combined during the molding process, achieving high structural strength. The sequential compression molding method allows more precise control of each combination part during the molding process to adapt to complex structural requirements. The separate compression molding and then fixed connection method provides greater flexibility, allowing different materials and processes to be selected for processing according to needs, and then using various fixed connection methods such as bonding and clamping to firmly combine the two combination parts. These integrally formed and fixed connection methods work together on the connecting surface to ensure the overall performance and reliability of the battery packaging structure.
[0093] In some examples, the battery packaging liner further includes at least one third combination part, which is arranged between the first combination part 100 and the second combination part 200.
[0094] In some specific examples, the design of the battery packaging liner can also include other structural elements, such as at least one third combination part. This third combination part is ingeniously arranged between the first combination part 100 and the second combination part 200, thereby playing a connecting and supporting role in the overall structure of the battery packaging liner. This design not only enhances the stability of the battery packaging liner, but also may help better secure the battery, ensuring the safety of the battery during transportation.
[0095] This design further enhances the complexity and functionality of the battery packaging structure. The addition of the third combination part can provide additional support, protection, or isolation functions according to specific requirements. For example, it may be used to enhance structural strength or provide a thermal insulation layer between battery packs to prevent safety hazards caused by heat transfer. In addition, the material and thickness of the third combination part can also be selected according to actual needs to achieve the best performance balance. This flexible design scheme allows the battery packaging structure to better adapt to various complex application scenarios while maintaining its high sealing and stability.
[0096] In a second aspect, the application also provides a battery packaging structure, comprising the above-mentioned battery packaging liner and a box body, wherein the box body is provided with at least one battery packaging liner.
[0097] The above structure design can effectively prevent the top patch of the battery cell from being dirty. Since the combined foam can be compression molded in the same mold, there is no need to add new packaging materials to improve the problem.
[0098] Specifically, the materials of the first combined part 100 and the second combined part 200 of the battery packaging liner can have different characteristics to meet the different needs of the battery cell. For example, the first combined part 100 can adopt a relatively soft material to better fit the bottom of the battery cell and provide better cushioning and protection; while the second combined part 200 can adopt a relatively hard material to better support the top pole of the battery cell and prevent the battery cell from shaking or being damaged during transportation or use. This combined design not only improves the practicality and durability of the battery packaging liner, but also further improves the safety and stability of the battery cell.
[0099] The same or similar reference numerals in the drawings of the present application correspond to the same or similar components; in the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation of the present patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0100] The above is only a preferred example of the present application and does not limit the present application, any modification, equivalent replacement and improvement made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A battery packaging liner, characterized in that, For simultaneously housing multiple battery cells, the battery packaging liner is a combination foam formed of at least two materials, including: A first assembly is disposed on a first side of the inner liner of the battery package. The first assembly is provided with a plurality of placement cavities, which are used to place the bottom of the battery cell, and each placement cavity corresponds to one battery cell. The second assembly is disposed on the second side of the inner liner of the battery package, the second side being the opposite side to the first side. The second assembly is provided with a plurality of receiving cavities, the receiving cavities being used to receive the top terminal of the battery cell, and each receiving cavity corresponding to one battery cell.
2. The battery packaging liner as described in claim 1, characterized in that, The side of the first assembly near the second assembly is a first connecting surface, which is provided with at least one groove structure; the side of the second assembly near the first assembly is a second connecting surface. At least one protrusion structure is provided on one of the first connecting surface and the second connecting surface, and at least one groove structure is provided on the other of the first connecting surface and the second connecting surface; The protruding structure is adapted to the groove structure, and the protruding structure fills the groove structure.
3. The battery packaging liner as described in claim 2, characterized in that, The protruding structure is provided on the first connecting surface, and the groove structure is formed on the second connecting surface.
4. The battery packaging liner as described in claim 2, characterized in that, The periphery of the protruding structure abuts against the sidewall of the groove structure.
5. The battery packaging liner as described in claim 2, characterized in that, The periphery of the protrusion is inclined relative to the plane and forms a draft angle, the angle of which is 5° to 45°.
6. The battery packaging liner as described in any one of claims 1 to 5, characterized in that, The first assembly is a polystyrene foam board; the second assembly is one of a foamed polypropylene board, a polyolefin foam board, or an epoxy foam board.
7. The battery packaging liner as described in any one of claims 1 to 5, characterized in that, The first assembly and the second assembly are fixedly connected or integrally formed, and the fixed connection includes at least one of adhesive bonding, snap-fitting, binding, and plugging.
8. The battery packaging liner as described in any one of claims 1 to 5, characterized in that, The first assembly and the second assembly are integrally formed by simultaneous compression molding; Alternatively, the first assembly and the second assembly are integrally formed by sequential pressing. Alternatively, after the first assembly and the second assembly are respectively molded, the first assembly and the second assembly are fixedly connected.
9. The battery packaging liner as described in any one of claims 1 to 5, characterized in that, The battery packaging liner also includes at least one third assembly portion disposed between the first assembly portion and the second assembly portion.
10. A battery packaging structure, characterized in that, include: Battery packaging liner as described in any one of claims 1 to 9; and, The box body, wherein at least one of the battery packaging liners is provided inside the box body.