Battery cell storage unit and device

Abstract

The electric cell storage unit and device provided in the embodiments of the present disclosure comprise a tray provided with a first electric cell accommodating part for placing an electric cell; a cover body arranged corresponding to an opening of the first electric cell accommodating part to form an accommodating space limiting the electric cell with the first electric cell accommodating part; wherein a ventilation part is formed between the tray and the cover body, and the ventilation part is communicated with the electric cell in the accommodating space to form a heat dissipation channel of the electric cell. The tray and the cover body cooperate to form a limiting accommodating space, and the ventilation part between the tray and the cover body is used to build a heat dissipation channel communicated with the electric cell.

Description

Technical Field

[0001] This disclosure relates to the field of power battery technology, and in particular to cell storage units and devices. Background Technology

[0002] With the rapid development of the new energy industry, the safety and stability of battery cells, as the core component of various batteries, are receiving increasing attention during production, storage, transportation, and turnover. Currently, there are significant defects in battery cell storage units on the market. On the one hand, even when not in operation, battery cells may generate heat due to their chemical properties or changes in ambient temperature. A closed environment makes it difficult for this heat to dissipate, leading to heat accumulation. This not only affects the performance parameters of the battery cells, but prolonged exposure to high temperatures can also cause problems such as bulging and leakage, posing a significant safety hazard. On the other hand, some storage units in related technologies have unreasonable designs for the limiting structure of the battery cells. During transportation or turnover, the cells are prone to shaking and shifting, which may lead to collisions between cells, causing damage to the cell casing, electrode detachment, and other issues, affecting the normal use of the cells. Summary of the Invention

[0003] In view of the shortcomings of the prior art described above, the purpose of this disclosure is to provide a battery cell storage unit and device to solve the problems in the related art.

[0004] The first aspect of this disclosure provides a battery cell storage unit, comprising:

[0005] The tray is provided with a first cell receiving portion for inserting the cell;

[0006] The cover is provided corresponding to the opening of the first battery cell receiving part, so as to cooperate with the first battery cell receiving part to form a receiving space for limiting the battery cell; wherein, a ventilation part is formed between the tray and the cover, and the ventilation part is connected to the battery cell in the receiving space to form a heat dissipation channel for the battery cell.

[0007] In an embodiment of the first aspect, the cover and the tray are provided with a gap, the gap forming the ventilation section.

[0008] In an embodiment of the first aspect, the gap is formed by the contact between one end of the battery cell protruding from the first battery cell receiving portion and the cover.

[0009] In an embodiment of the first aspect, the gap is formed by a support structure disposed between the tray and the cover.

[0010] In the first aspect of the embodiment, the ventilation section is provided on the tray and / or the cover; and / or,

[0011] The tray and / or cover have at least one support portion in the peripheral area that abuts against the other; wherein the ventilation portion is provided in at least one of the support portions, or the ventilation portion is implemented as a gap between multiple support portions.

[0012] In the first aspect embodiment, the cover is implemented as having the following structure:

[0013] 1) The cover has a second cell receiving portion only on one side corresponding to the tray;

[0014] 2) The cover has a second battery cell receiving part and a third battery cell receiving part on the two sides corresponding to and away from the tray, respectively. The second battery cell receiving part and the third battery cell receiving part are used to receive battery cells of different layers stacked together.

[0015] In an embodiment of the first aspect, at least one shock-absorbing portion is provided inside the first cell receiving portion and / or on the inner side of the cover, the shock-absorbing portion being configured to provide elastic cushioning between the cell and the tray and / or the cover.

[0016] In an embodiment of the first aspect, the damping portion includes a damping element made of an elastic material; wherein the elastic material includes at least one of foam, rubber, or silicone.

[0017] In an embodiment of the first aspect, the shock-absorbing part includes at least one of the following shock-absorbing structures: honeycomb, mesh, or convex / concave; and / or, the shock-absorbing part is integrally formed with the first cell receiving part and / or the cover.

[0018] A second aspect of this disclosure provides a battery cell storage device, comprising:

[0019] Multiple battery cell storage units as described in any one of the first aspects above;

[0020] A package for encapsulating the battery cell storage units stacked sequentially.

[0021] The beneficial effects of this disclosure are as follows: This application forms a limited and accommodating space through the cooperation of the tray and the cover, while utilizing the ventilation section between the two to construct a heat dissipation channel connecting the battery cells. This achieves stable positioning and heat dissipation of the battery cells, thereby avoiding heat accumulation and effectively ensuring the safety and performance stability of the stored battery cells. Attached Figure Description

[0022] Figure 1 A schematic diagram of the structure of a cell storage unit in one embodiment of this disclosure is shown.

[0023] Figure 2 and Figure 3 A schematic diagram of the structure of the cell storage unit is shown in yet another embodiment of this disclosure.

[0024] Figures 4 to 6 This invention discloses a schematic diagram showing the structure of the battery cell storage unit with the support portion positioned in different locations in yet another embodiment.

[0025] Figure 7 A schematic diagram showing the structure of the battery cell storage unit with ventilation holes in another embodiment of this disclosure is provided.

[0026] Figure 8 as well as Figure 9 Cross-sectional views of different structures of the cover in the cell storage unit of another embodiment of this disclosure are shown. Detailed Implementation

[0027] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the information disclosed herein. This disclosure can also be implemented or applied through other different specific embodiments, and various details in this disclosure can be modified or changed according to different viewpoints and application units without departing from the spirit of this disclosure. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this disclosure can be combined with each other.

[0028] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings, so that those skilled in the art to which this disclosure pertains can readily implement it. This disclosure may be embodied in many different forms and is not limited to the embodiments described herein.

[0029] In this disclosure, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic represented in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. Furthermore, the specific features, structures, materials, or characteristics represented may be combined in any suitable manner in any one or a group of embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples represented in this disclosure, as well as the features of those different embodiments or examples.

[0030] Furthermore, the terms "first" and "second" are used for illustrative purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the representation of this disclosure, "a set" means two or more, unless otherwise explicitly specified.

[0031] For the purpose of clarity, devices unrelated to the description are omitted, and the same or similar components throughout the specification are given the same reference numerals.

[0032] Throughout this specification, when it is said that a device is "connected" to another device, this includes not only "direct connection" but also "indirect connection" by placing other components in between. Furthermore, when it is said that a device "comprises" a certain constituent element, unless otherwise stated otherwise, this does not exclude other constituent elements, but rather implies that other constituent elements may be included.

[0033] Although the terms first, second, etc., are used in some examples herein to refer to various elements, these elements should not be limited by these terms. These terms are used only to distinguish one element from another. For example, first interface and second interface, etc., are used. Furthermore, as used herein, the singular forms “a,” “an,” and “the” are intended to also include the plural forms unless the context indicates otherwise. It should be further understood that the terms “comprising” or “including” indicate the presence of features, steps, operations, elements, units, items, kinds, and / or groups, but do not exclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, units, items, kinds, and / or groups. The terms “or” and “and / or” as used herein are interpreted as inclusive, or mean any one or any combination thereof. Thus, “A, B, or C” or “A, B, and / or C” means “any one of: A; B; C; A and B; A and C; B and C; A, B, and C.” Exceptions to this definition will only occur if the combination of elements, functions, steps, or operations is inherently mutually exclusive in some way.

[0034] The technical terms used herein are for reference only to specific embodiments and are not intended to limit the scope of this disclosure. The singular form used herein includes the plural form unless the statement explicitly indicates otherwise. The word "comprising" as used in this specification means to specify a particular characteristic, region, integer, step, operation, element, and / or component, and does not exclude the presence or addition of other characteristics, regions, integers, steps, operations, elements, and / or components.

[0035] Although not explicitly defined, all terms, including technical and scientific terms used herein, shall have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure pertains. Terms defined in commonly used dictionaries shall be further interpreted as having a meaning consistent with the relevant technical literature and the message of the present disclosure, and shall not be over-interpreted as having an ideal or overly formulaic meaning unless otherwise defined.

[0036] Cell storage units are used to store battery cells in an orderly and safe manner during battery production, transportation, and warehousing. They play a crucial role in battery manufacturing and logistics. Because battery cells possess a certain degree of electrochemical activity, improper storage can lead to short circuits, thermal runaway, or even safety accidents. Furthermore, during storage, cells may accumulate heat due to changes in ambient temperature and humidity or their own weak discharge, affecting their performance and lifespan. Therefore, a storage device that provides both structural protection and effective heat dissipation is key to ensuring the safety and quality of battery cells. However, most cell storage units in related technologies are closed designs, lacking reasonable ventilation structures, resulting in poor heat dissipation performance; while some structures have ventilation holes, these often affect the overall strength and the cell's fixation, making it difficult to simultaneously achieve both heat dissipation and protection functions.

[0037] To address the aforementioned problems, one embodiment of this disclosure provides a battery cell storage unit, which, please refer to [the following details]. Figures 1 to 3 In this embodiment, the battery cell storage unit includes a tray 100 and a cover 300. The first battery cell receiving portion of the tray 100 cooperates with the cover 300 to form a limiting and receiving space, achieving stable positioning of the battery cell 200. Simultaneously, a ventilation section 400 between the tray 100 and the cover 300 constructs a heat dissipation channel connecting the battery cell 200. This solves the heat dissipation problem while ensuring the positioning effect, effectively overcoming the shortcomings of the prior art.

[0038] exist Figure 4 In this embodiment, the tray 100 is provided with a first cell receiving portion for inserting the cell 200.

[0039] Specifically, in some embodiments, the tray 100 is preferably made of non-combustible foam board material. This non-combustible foam board has advantages such as low density, light weight, good thermal insulation, and high flame retardant rating, effectively improving the fire safety of the battery cell storage unit while ensuring structural strength. Furthermore, this material also has good cushioning and shock absorption properties, helping to absorb external impacts during transportation and further protecting the battery cells 200 from damage. Each first battery cell receiving section of the tray 100 can be provided with an independent receiving cavity as needed to achieve physical isolation between the battery cells 200 and avoid mutual interference.

[0040] The cover 300 is provided corresponding to the opening of the first cell receiving part, so as to cooperate with the first cell receiving part to form a receiving space that limits the cell 200.

[0041] As an example, the cover 300 and the tray 100 are two independent components, and the cover 300 can be completely removed from the tray 100. When it is necessary to place or remove the battery cell 200, the cover 300 can be directly removed from the tray 100, which is flexible and convenient for loading and unloading. This structure is suitable for scenarios where there are a large number of battery cells 200 that need to be frequently replaced or inspected. The cover 300 can be fixedly connected to the tray 100 by means of clips, screws, buckles, etc., to ensure that the cover 300 will not fall off accidentally during transportation, while ensuring the stable positioning of the battery cell 200.

[0042] As an example, the cover 300 can be set independently and placed directly above the opening of the tray 100 after the battery cell 200 is inserted. At this time, if the height of the battery cell 200 is slightly higher than the depth of the first battery cell receiving part, the battery cell 200 will exert an upward pressure on the cover 300, while the cover 300 will exert a downward pressing force on the battery cell 200 through its own weight or externally applied pressure, thereby achieving the limitation and fixation of the battery cell 200.

[0043] The enclosed cell storage units in related technologies lack effective ventilation design, which easily leads to heat accumulation. In this case, the temperature difference between the cells 200 may cause localized overheating, increasing the risk of battery failure. In some embodiments, a ventilation section 400 is formed between the tray 100 and the cover 300, and the ventilation section 400 communicates with the cells 200 in the housing space to form a heat dissipation channel for the cells 200. By providing the ventilation section 400, air circulation can be promoted, heat can be effectively dissipated, and the cells 200 can be maintained within a relatively stable temperature range.

[0044] The ventilation section 400 is a structure designed to promote air circulation and help dissipate heat from the battery cell 200. It can be implemented in various forms, such as ventilation holes 402, ventilation channels, or ventilation paths formed by the gap between the tray 100 and the cover 300.

[0045] As an example 1, the cover 300 and the tray 100 are provided with a gap, the gap forming the ventilation section 400, which is used to allow air circulation and heat dissipation of the battery cell 200 within the housing space.

[0046] Please refer to the following: Figures 4 to 6 In this embodiment, the gap can be formed by the contact between one end of the battery cell 200 protruding from the first battery cell receiving portion and the cover 300.

[0047] Specifically, in Figure 2 as well as Figure 3In this embodiment, when the battery cell 200 is placed into the first battery cell receiving portion, if the height of the battery cell 200 is slightly higher than the depth of the receiving portion, the top of the battery cell 200 will protrude from the surface of the tray 100. When the cover 300 is placed on the tray 100, the top of the battery cell 200 abuts against the cover 300, thereby forming a gap of a certain height between the cover 300 and the tray 100. This gap constitutes the ventilation portion 400, allowing air to circulate through this channel, achieving effective heat dissipation for the battery cell 200.

[0048] In Example 1, the gap can also be formed by a support structure 401 provided between the tray 100 and the cover 300.

[0049] Specifically, the gap between the cover 300 and the tray 100 is not formed by the height of the battery cell 200 itself, but is maintained by the support structure 401. The support structure 401 is disposed between the tray 100 and the cover 300 to maintain a certain height gap between the cover 300 and the tray 100 when the cover 300 is closed on the tray 100, thereby forming the ventilation section 400.

[0050] Please refer to this as well. Figures 4 to 6 In this embodiment, the position of the support structure 401 can be adopted as follows:

[0051] Example 1: The support structure 401 is located at the edge of the tray 100. For example, the support columns are at the same height on all four sides of the rectangular tray 100. When the top cover is above the tray 100, the positioning grooves at the edges of the top cover and corresponding to the support columns engage with the support columns to create a uniform gap between the tray 100 and the top cover. This positioning does not occupy the distribution space of the first cell housing, making it suitable for scenarios with a large number of housings arranged densely.

[0052] Optionally, the tray 100 and / or cover 300 have at least one support portion in the peripheral area that abuts against the other.

[0053] Specifically, the support portion can be located in the peripheral area of ​​the tray 100, the peripheral area of ​​the cover 300, or both the tray 100 and the cover 300 may have mutually cooperating support portions in their peripheral areas. When the cover 300 is placed on the tray 100, these support portions contact or abut against each other, which not only provides limiting and support functions but also controls the gap between the cover 300 and the tray 100, thereby providing structural support for the ventilation section 400.

[0054] The form of the support can be, but is not limited to, protrusions, positioning ribs, limiting posts, and support strips. Its specific shape, quantity, and distribution position can be adjusted according to actual structural requirements. For example, multiple support posts can be evenly distributed along the edge of the tray 100, or a downwardly extending boss can be provided at the bottom edge of the cover 300 to achieve stable support.

[0055] Example 2: When multiple first cell housings are included, the support structure 401 is disposed in the gap between adjacent first cell housings on the tray 100. For the first cell housings arranged in a relatively regular manner, a support column is disposed at the center of every rectangular gap formed by four adjacent first cell housings. For example, when 20 first cell housings are arranged in a 4×5 matrix, support columns can be disposed between adjacent housings in each row and column, which can not only provide support but also facilitate the airflow of the ventilation section 400 between the housings, thereby enhancing the heat dissipation effect.

[0056] Based on Embodiment 2, Embodiment 3: The support structure 401 is designed with both edge and internal gaps. Specifically, some support pillars are provided at the edge of the tray 100, while a small number of support pillars are provided between the first cell receiving portions in the middle area. For example, two pillars are provided on each side of the edge, and one pillar is provided at the gap between the receiving portions every other row or column in the middle area. This ensures the overall stability of the support while avoiding excessive impact of the support structure 401 on ventilation efficiency.

[0057] In the above embodiments, when the cover 300 is placed on the tray 100, these support columns contact the inner surface of the cover 300, thereby forming a stable gap between the cover 300 and the tray 100. The height of the support structure 401 determines the size of the gap, thereby controlling the airflow of the ventilation section 400.

[0058] As an example, a downwardly extending protrusion, such as a boss or a positioning post, is provided at the bottom edge of the cover 300 or at a position corresponding to the structure of the tray 100. When the cover 300 is closed on the tray 100, these protrusions contact the surface of the tray 100 and form a gap of a certain height between the cover 300 and the tray 100.

[0059] As an example, annular or strip-shaped support ribs are provided at the top edge of the tray 100 or the bottom edge of the cover 300. The support ribs have a certain height. When the cover 300 is placed on the tray 100, the support ribs contact the cover 300 or the tray 100, thereby forming a continuous or segmented gap between the two.

[0060] Based on any of the aforementioned support structures 401, ventilation holes 402 or air guide grooves can be further provided on the support structure 401, so that the ventilation section 400 is not only formed by the gap between the cover 300 and the tray 100, but also further guides airflow through the structural features of the support structure 401 itself. For example, a through hole can be opened in the middle of the support column, or a groove can be provided on the surface of the support rib, thereby forming a more efficient heat dissipation channel.

[0061] As an example 2, the ventilation section 400 is provided on the tray 100 and / or the cover 300.

[0062] Specifically, in Figure 7 In this embodiment, ventilation holes 402 are formed by creating a series of evenly distributed small holes or grooves on the bottom or sidewall of the tray 100. These ventilation holes 402 are directly connected to the first cell housing, allowing air to circulate freely around the cell 200, thereby removing heat generated on the surface of the cell 200 and preventing safety hazards caused by heat accumulation. Alternatively, ventilation holes 402 or ventilation grooves can be created on the top or edge of the cover 300, allowing air to enter the cell storage unit from above and remove heat through natural convection or forced ventilation (such as a small fan). This design not only enhances heat dissipation but also reduces the risk of dust and other impurities entering the cell storage unit.

[0063] In Example 2, the ventilation section 400 is provided in at least one of the support sections.

[0064] For example, when the support is a ring-shaped structure, holes can be drilled in the ring-shaped support to form ventilation holes 402. These holes can be evenly distributed along the ring-shaped support or randomly arranged to ensure that air can circulate effectively around the battery cell 200, further improving heat dissipation performance. In addition, air guide slots can be set on the side or top of the support to guide the airflow direction and optimize the heat dissipation path.

[0065] The number of ventilation holes 402 is not fixed but optimized based on several key factors. First, considering the heat generated by the battery cell 200 during operation or storage, the number of ventilation holes 402 must ensure sufficient airflow for effective heat dissipation. For example, in high-heat or high-temperature environments, the number or size of ventilation holes 402 may need to be increased to enhance heat dissipation. Second, the strength of the support structure 401 is also a crucial factor in determining the number of ventilation holes 402. When ventilation holes 402 are located on the support, too many ventilation holes 402 may weaken the mechanical strength of the support, affecting the stability and durability of the overall structure. Therefore, the design of the ventilation holes 402 must balance the relationship between heat dissipation requirements and structural strength. Furthermore, to optimize airflow efficiency, the number, size, and distribution of ventilation holes 402 should contribute to forming an effective airflow path and ensure that all battery cells 200 receive uniform heat dissipation.

[0066] In Example 2, the ventilation section 400 is also implemented as a gap between multiple support sections.

[0067] Specifically, when the tray 100 or cover 300 is provided with multiple support pillars, the gaps between these support pillars can themselves constitute part of the ventilation section 400. For example, two support pillars are provided on each side of the edge of the tray 100, and one support pillar is provided in the gap of the receiving section every other row or column in the middle area. The gaps formed between the support pillars allow air to circulate freely, forming an effective heat dissipation channel.

[0068] Optionally, please refer to the following as well. Figure 8 as well as Figure 9 In one embodiment, the cover 300 is implemented with the following structure:

[0069] 1) The cover 300 is provided with a second cell receiving part only on one side corresponding to the tray 100.

[0070] Specifically, the second cell receiving portion corresponds to the first cell receiving portion on the tray 100. When the cover 300 is closed on the tray 100, it forms a limiting space for the cell 200 together with the first cell receiving portion, thereby achieving stable fixation and protection of the cell 200. At this time, the cover 300 is used as a top cover.

[0071] The shape, size, and position of the second cell receiving part should correspond to the first cell receiving part on the tray 100 to ensure that the cell 200 can be simultaneously limited vertically to form a stable receiving space.

[0072] 2) The cover 300 is provided with a second battery cell receiving part and a third battery cell receiving part on the two sides corresponding to and away from the tray 100, respectively. The second battery cell receiving part and the third battery cell receiving part are used to receive battery cells 200 stacked in different layers.

[0073] Specifically, the second cell receiving section cooperates with the first cell receiving section on the tray 100 to accommodate the bottom layer of cells 200; while the third cell receiving section is used for positioning and limiting another layer of cells 200 stacked on top. Through this structural design, the cover 300 not only serves as a cover and seal but also acts as a separator between different layers of cells 200, enabling the stacking and storage of multiple layers of cells 200. Each layer of cells 200 can be independently limited to prevent short circuits or mechanical damage between layers. This structure is suitable for scenarios with limited space that require increased cell 200 storage density per unit volume, such as multi-layer cell 200 storage or container transportation.

[0074] Optionally, at least one shock-absorbing part is provided inside the first cell receiving portion and / or on the inner side of the cover 300, the shock-absorbing part being configured to provide elastic cushioning between the cell 200 and the tray 100 and / or the cover 300.

[0075] Specifically, the shock-absorbing part can be embedded or fixed to the bottom and sidewalls of the first cell receiving portion. Optionally, the shock-absorbing part includes a shock-absorbing element made of an elastic material; wherein the elastic material includes at least one of foam, rubber, or silicone, or other materials with high elasticity and good cushioning performance. When the cell 200 is placed in the first cell receiving portion, the shock-absorbing part can fit tightly against the surface of the cell 200, providing all-round cushioning protection to prevent damage to the cell 200 caused by vibration or impact. In addition, the shock-absorbing part can also be customized according to the specific shape of the cell 200 to ensure optimal fit and cushioning effect.

[0076] One or more layers of elastic cushioning material, such as foam pads, rubber pads, or custom-made cushioning liner, can be placed on the area of ​​the cover 300 corresponding to the top of the battery cell 200. When the cover 300 is closed on the tray 100, the shock-absorbing part contacts the top of the battery cell 200, providing additional cushioning protection to prevent the battery cell 200 from being damaged by bumps during transportation. This design not only enhances the protection of the battery cell 200 but also reduces noise to some extent, improving the user experience.

[0077] To achieve optimal shock absorption, shock-absorbing elements can be simultaneously installed inside the first cell housing and on the inner side of the cover 300. For example, a layer of foam or silicone pad can be installed at the bottom and sidewalls of the first cell housing, while a layer of foam or rubber pad can be installed on the inner side of the cover 300. This comprehensive design provides all-around buffer protection for the cell 200 from multiple directions, effectively absorbing impact forces from all directions and ensuring the safety and stability of the cell 200.

[0078] In some embodiments, the second cell housing and the third cell 200 housing are also provided with the shock-absorbing portion.

[0079] The cover 300, used as a top cover, can also be equipped with a second cell housing containing shock absorbers. These shock absorbers can be made of the same elastic material as those in the first cell housing, such as foam or silicone pads. When the cover 300 is placed on the tray 100, the shock absorbers in the second cell housing contact the top of the cell 200, providing additional cushioning protection. This not only helps prevent physical damage to the cell 200 during transportation or storage but also effectively reduces the risk of short circuits caused by external impacts.

[0080] When the cover 300 is used as a separator between different layers of battery cells 200, the third battery cell receiving section located on the side opposite to the tray 100 can also be equipped with shock-absorbing parts. These shock-absorbing parts can be similar to those in the second battery cell receiving section, made of a highly elastic cushioning material. When another layer of battery cells 200 is placed in the third battery cell receiving section, the shock-absorbing parts can fit tightly against the surface of the battery cell 200, providing all-around cushioning protection. This ensures that when multiple layers of battery cells 200 are stacked, each layer of battery cells 200 is effectively protected, avoiding damage caused by interlayer compression or external impact.

[0081] Optionally, the shock-absorbing part includes at least one of the following shock-absorbing structures: honeycomb, mesh, or convex / concave.

[0082] As an example, the shock-absorbing part adopts a honeycomb structure, which can maintain high structural strength while also providing cushioning. The honeycomb shock-absorbing structure can effectively disperse external impact forces and prevent concentrated stress from damaging the battery cell 200. In addition, the honeycomb structure also has good air permeability, which helps to improve the overall heat dissipation performance of the battery cell storage unit.

[0083] As an example, the mesh structure is composed of crisscrossing lines, forming multiple evenly distributed small grids. This not only provides excellent cushioning but also effectively prevents the battery cell 200 from shifting during transportation or storage. Furthermore, the mesh structure can be optimized for cushioning performance by adjusting the grid size and density to accommodate different types of battery cells 200 and their protection requirements.

[0084] As an example, a series of tiny bumps and depressions can be formed on the surface of the damping material, making the contact between the battery cell 200 and the damping part tighter and enhancing the cushioning effect. The uneven structure can be manufactured through molding or 3D printing, and is suitable for various elastic materials, such as rubber, silicone, or other polymer materials. This design not only absorbs impact energy but also reduces noise to some extent, improving the user experience.

[0085] Optionally, the shock-absorbing part is integrally formed with the first cell receiving part. The shock-absorbing part is integrally formed with the cover 300.

[0086] In another embodiment of this disclosure, a battery cell 200 storage device is provided, comprising:

[0087] The battery cell storage unit described in any of the above embodiments.

[0088] A package for encapsulating the battery cell storage units stacked sequentially.

[0089] Specifically, multiple battery cell storage units are stacked vertically in sequence. Each battery cell storage unit can be directly stacked, or a more stable stacking can be achieved through connectors or positioning structures. For example, a positioning protrusion and groove mating structure can be provided between the bottom of the tray 100 and the top of the upper cover 300 to ensure that each unit maintains good alignment and stability during stacking and prevents displacement or tilting.

[0090] In some preferred embodiments, the cover 300 is implemented as a structure with cell receiving portions on both sides (i.e., a second cell receiving portion and a third cell receiving portion), so that it can serve as both a cover 300 for the current layer of cell 200 and a support tray 100 for the next layer of cell 200, thereby realizing the continuous stacking of multiple layers of cell 200 and improving space utilization.

[0091] The encapsulation body is used to encapsulate multiple stacked battery cell storage units as a whole, serving to fix the structure, prevent dust, prevent shock, and provide external protection. The encapsulation body can be made of plastic, metal, or composite materials, and its interior has a receiving cavity adapted to the stacking size of multiple battery cell storage units, ensuring that each unit is stably placed inside the encapsulation body.

[0092] Furthermore, when the cover 300 is implemented as a cover 300, the number of cover 300s is the same as the number of trays 100 when the battery cell storage unit is encapsulated, and all cover 300s are identical. When the cover 300 is implemented as a structure with battery cell receiving portions on both sides, the cover 300 in the middle is double-sided when the battery cell storage unit is encapsulated, and the cover 300 at the top is single-sided, that is, it includes cover 300s with two different structures.

[0093] Optionally, the package may also include the following functional structures: ventilation openings and shock-absorbing structures.

[0094] Ventilation openings are provided on the side wall or top of the package, which are connected to the ventilation section 400 of each cell storage unit to ensure that the cell 200 can still achieve good heat dissipation in the packaged state; shock-absorbing materials, such as foam, silicone pads, honeycomb structures, etc., are provided inside or outside the package to further improve the shock resistance of the overall device.

[0095] The above embodiments are merely illustrative of the principles and effects of this disclosure and are not intended to limit this disclosure. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this disclosure. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this disclosure should still be covered by the protection scope of this disclosure.

Claims

1. A battery cell storage unit, characterized in that, include: The tray is provided with a first cell receiving section for inserting the cell; The cover is provided corresponding to the opening of the first battery cell receiving part, so as to cooperate with the first battery cell receiving part to form a receiving space for limiting the battery cell; wherein, a ventilation part is formed between the tray and the cover, and the ventilation part is connected to the battery cell in the receiving space to form a heat dissipation channel for the battery cell.

2. The battery cell storage unit according to claim 1, characterized in that, The cover and the tray are provided with a gap, which forms the ventilation section.

3. The cell storage unit according to claim 2, characterized in that, The gap is formed by the contact between one end of the battery cell, which protrudes from the first battery cell receiving portion, and the cover.

4. The battery cell storage unit according to claim 2, characterized in that, The gap is formed by a support structure positioned between the tray and the cover.

5. The battery cell storage unit according to claim 1, characterized in that, The ventilation section is provided on the tray and / or the cover; and / or The tray and / or cover have at least one support portion in the peripheral area that abuts against the other; wherein the ventilation portion is provided in at least one of the support portions, or the ventilation portion is implemented as a gap between multiple support portions.

6. The battery cell storage unit according to claim 1, characterized in that, The cover is implemented as one of the following structures: 1) The cover has a second cell receiving portion only on one side corresponding to the tray; 2) The cover has a second battery cell receiving part and a third battery cell receiving part on the two sides corresponding to and away from the tray, respectively. The second battery cell receiving part and the third battery cell receiving part are used to receive battery cells of different layers stacked together.

7. The battery cell storage unit according to claim 1, characterized in that, At least one shock-absorbing part is provided inside the first cell receiving portion and / or on the inner side of the cover, the shock-absorbing part being configured to provide elastic cushioning between the cell and the tray and / or the cover.

8. The battery cell storage unit according to claim 7, characterized in that, The shock-absorbing part includes a shock-absorbing component made of an elastic material; wherein the elastic material includes at least one of foam, rubber or silicone.

9. The battery cell storage unit according to claim 7, characterized in that, The shock-absorbing part includes at least one of the following shock-absorbing structures: honeycomb, mesh, or concave-convex; and / or, the shock-absorbing part is integrally formed with the first cell receiving part and / or the cover.

10. A battery cell storage device, characterized in that, include: Multiple cell storage units as described in any one of claims 1-9; A package for encapsulating the battery cell storage units stacked sequentially.

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