CN212182371U

CN212182371U - Low-cost aluminum shell battery cell

Info

Publication number: CN212182371U
Application number: CN202021388409.2U
Authority: CN
Inventors: 王栋; 李继春; 王媛媛; 郑康宁; 邓炳兰; 蒙金凤
Original assignee: Phenix New Energy Huizhou Co ltd
Current assignee: Phenix New Energy Huizhou Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2020-12-18
Anticipated expiration: 2030-07-15

Abstract

The utility model relates to a low-cost aluminum hull electricity core, include: the battery cell comprises a battery cell body, a first framework, a second framework and a protection bag, wherein the first framework is fixed at the top of the battery cell body, the second framework is fixed at the bottom of the battery cell body, the protection bag is simultaneously sleeved on the first framework and the second framework and is in a tight state, and a buffer space around the battery cell body is formed among the protection bag, the first framework and the second framework. The utility model discloses an aluminum hull electricity core is forming the protection and heightening in electricity core body top and bottom through two skeletons, and first skeleton and second skeleton and be in the protection bag of the state of tightly stretching are located to the cover simultaneously to the rethread, form around the buffer space who locates electricity core body, replace traditional metal material protective layer, realize lightening aluminum hull electricity core weight, reduction in production cost to the comprehensive protection of electricity core body.

Description

Low-cost aluminum shell battery cell

Technical Field

The utility model relates to a battery technology field, concretely relates to aluminium shell electricity core with low costs.

Background

The cells are generally used as the minimum unit components of the battery module, wherein the cells are generally assembled into the layer module and then assembled into the battery system by the module in practical use. The battery has wide and complicated use environment, and is easy to be impacted in the use process, and the deformation of the battery core easily causes the internal short circuit of the battery core, thereby causing the ignition and explosion of the battery core.

In order to avoid the electric core to warp because of receiving the impact in the use, often set up one deck metal protective layer in electric core periphery among the prior art, carry out the full-sealed protection to its inside electric core through metal protective layer, the protection is effectual, however, because above-mentioned electric core structure makes electric core weight increase, the equipment of the electric core of being not convenient for is used to greatly increased manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the upper electric core is inconvenient to use and high in production cost, the utility model provides an aluminum hull electric core which is light in weight, convenient to use, has a protection function and is low in cost.

The utility model discloses a with low costs aluminum hull electricity core, include: the battery cell comprises a battery cell body, a first framework, a second framework and a protection bag, wherein the first framework is fixed at the top of the battery cell body, the second framework is fixed at the bottom of the battery cell body, the protection bag is simultaneously sleeved on the first framework and the second framework and is in a tight state, and a buffer space around the battery cell body is formed among the protection bag, the first framework and the second framework.

According to the utility model discloses an embodiment, first skeleton and second skeleton adopt the engineering plastics material.

According to the utility model discloses an embodiment is provided with the cotton layer of buffering bubble between electric core body and first skeleton and the second skeleton.

According to an embodiment of the utility model, the protection bag includes: the first protective sub-bag and the second protective sub-bag are respectively sleeved on the first framework and the second framework, and the first protective sub-bag and the second protective sub-bag are connected through a connecting rope to form a tight state.

According to the utility model discloses an embodiment is provided with a plurality of becket on first protection sub-bag and the second protection sub-bag, connects the rope and wears to establish a plurality of becket in proper order.

The utility model discloses an aluminum hull electricity core is forming the protection and heightening in electricity core body top and bottom through two skeletons, and first skeleton and second skeleton and be in the protection bag of the state of tightly stretching are located to the cover simultaneously to the rethread, form around the buffer space who locates electricity core body, replace traditional metal material protective layer, realize lightening aluminum hull electricity core weight, reduction in production cost to the comprehensive protection of electricity core body.

Drawings

Fig. 1 is a schematic structural view of an aluminum-shell cell with low cost in an embodiment of the present invention.

Fig. 2 is a front view of an aluminum-shell cell with a low cost in an embodiment of the present invention.

Fig. 3 is a front view of an aluminum-clad cell with low cost according to another embodiment of the present invention.

Detailed Description

The low-cost aluminum-clad cell of the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

Please refer to fig. 1 to 3.

The utility model provides a low-cost aluminum hull electricity core, mainly include electric core body 10, first skeleton 20, second skeleton 30 and protection bag 40, first skeleton 20, second skeleton 30 matches with the top and the bottom shape of electric core body 10 respectively, wherein first skeleton 20 is fixed in electric core body 10 top, the electrode of electric core body 10 is worn out from first skeleton 20, second skeleton 30 is fixed in electric core body 10 bottom, first skeleton 20 and second skeleton 30 are located to the cover simultaneously of protection bag 40, wherein protection bag 40 is located the state of tightly stretching tightly, first skeleton 20, there is the interval between the second skeleton 30, and through first skeleton 20, second skeleton 30 carries out the bed hedgehopping to protection bag 40, form between first skeleton 20 and the second skeleton 30 around the buffer space 50 of locating electric core body 10. The first framework 20 and the second framework 30 are made of engineering plastics, so that the hardness of the first framework 20 and the hardness of the second framework 30 are guaranteed, the weight of the first framework 20 and the weight of the second framework 30 are reduced, the overall weight of the aluminum shell battery cell is further reduced, and the protection bag 40 is made of cloth or plastics with certain hardness, such as a canvas bag.

The utility model discloses an aluminum hull electricity core, through first skeleton 20, second skeleton 30 carries out collision avoidance to the top and the bottom of electric core body 10, the protection bag 40 of locating first skeleton 20 and second skeleton 30 through the cover forms around the buffering space 50 of locating electric core body 10, wherein when the protection bag 40 that corresponds with buffering space 50 receives the effort, because protection bag 40 is in the state of straining, can cushion and kick-back, utilize the buffering space to protect the side of electric core body 10, and then realize the comprehensive protection to electric core body 10.

In an embodiment, a buffering foam layer (not shown) is disposed between the battery cell body 10 and the first frame 20 and the second frame 30, wherein the buffering foam layer is made of a foam material with a buffering effect, and the buffering foam layer is used to buffer the acting force of the first frame 20 and the second frame 30, so as to further improve the protection effect of the first frame 20 and the second frame 30 on the battery cell body 10.

In another embodiment, the protection bag 40 includes a first protection sub-bag 401 and a second protection sub-bag 402, wherein the first protection sub-bag 401 and the second protection sub-bag 402 are respectively sleeved on the first skeleton 20 and the second skeleton 30, and the first protection sub-bag 401 and the second protection sub-bag 402 are connected by a connection rope 403 to form a tight state. Protection bag 40 comprises first protection sub-bag 401 and second protection sub-bag 402, wherein first protection sub-bag 401 and second protection sub-bag 402 connect through connecting rope 403, carry out the interception protection through connecting rope 403 to the area between two sub-bags, make first protection sub-bag 401 and second protection sub-bag 402 form the fretwork between the two, improve the radiating effect of electricity core body 10 greatly, reduce protection bag 40 production consumptive material simultaneously, further reduce the manufacturing cost of aluminum hull electricity core.

It is worth noting in addition that a plurality of openings are formed in the first protective sub-bag 401 and the second protective sub-bag 402, the plurality of metal rings 404 are correspondingly arranged in the plurality of openings, the connecting rope 403 sequentially penetrates through the plurality of metal rings 404 to achieve tight connection between the first protective sub-bag 401 and the second protective sub-bag 402, and due to the wear-resistant characteristic of the metal rings 404, damage to the first protective sub-bag 401 and the second protective sub-bag 402 caused by tight connection of the connecting rope 403 is reduced, and therefore the service life of a product is prolonged. In the present application, the plurality of metal rings 404 may be connected by the plurality of connection strings 403 in a one-to-one correspondence, and of course, the same connection string 403 may be used to simultaneously connect the plurality of metal rings 404.

To sum up, the utility model discloses an aluminum hull electricity core forms the protection and bed hedgehopping in electricity core body top and bottom through two skeletons, and first skeleton and second skeleton and be in the protection bag of the state of tightening are located to the cover simultaneously of rethread, form around the buffer space who locates electricity core body, replace traditional metal material protective layer, realize lightening aluminum hull electricity core weight, reduction in production cost to the comprehensive protection of electricity core body.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are intended to be included within the spirit and scope of the present invention.

Claims

1. A low cost aluminum-clad cell comprising: the electricity core body, its characterized in that still includes: first skeleton, second skeleton and protection bag, first skeleton is fixed in electricity core body top, the second skeleton is fixed in electricity core body bottom, the protection bag is located simultaneously first skeleton and second skeleton are and are in the state of tautness, form around locating between protection bag, first skeleton and the second skeleton the buffer space of electricity core body.

2. The low-cost aluminum-clad cell of claim 1 wherein the first and second bobbins are made of engineering plastic.

3. The low-cost aluminum-clad battery cell of claim 1, wherein a buffer foam layer is disposed between the battery cell body and the first and second frameworks.

4. The low cost aluminum-clad cell of claim 1 wherein the protective pouch comprises: the first protective sub-bag and the second protective sub-bag are respectively sleeved on the first framework and the second framework, and the first protective sub-bag and the second protective sub-bag are connected through a connecting rope to form a tight state.

5. The low-cost aluminum-clad battery cell of claim 4, wherein the first and second protective sub-pockets are provided with a plurality of metal rings, and the connecting rope sequentially penetrates through the plurality of metal rings.