CN216850214U - Matrix type laminate polymer battery and battery package - Google Patents
Matrix type laminate polymer battery and battery package Download PDFInfo
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- CN216850214U CN216850214U CN202122288073.3U CN202122288073U CN216850214U CN 216850214 U CN216850214 U CN 216850214U CN 202122288073 U CN202122288073 U CN 202122288073U CN 216850214 U CN216850214 U CN 216850214U
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Abstract
The utility model relates to a laminate polymer battery technical field discloses a matrix laminate polymer battery and battery package, and the matrix laminate polymer battery includes: a housing defining a receiving chamber therein; the partition plate is arranged in the accommodating cavity to divide the accommodating cavity into at least two cavities; each soft-packaged battery cell is provided with a polar lug group; the cover plate is connected with the shell, at least one pole column group is arranged on the cover plate, and each pole column group is electrically connected with at least one pole lug group. The utility model discloses a matrix laminate polymer battery, easily processing, length, width and the height of the laminate polymer battery core in every cavity differ little with prior art, avoided because of the uneven lithium problem of analysing that causes of electrolyte distribution, promoted this matrix laminate polymer battery's security performance, through connecting in parallel or establishing ties two at least laminate polymer battery cores, reached the purpose of increase laminate polymer battery's capacity, prolonged this matrix laminate polymer battery's life.
Description
Technical Field
The utility model relates to a laminate polymer battery technical field especially relates to a matrix laminate polymer battery and battery package.
Background
With the continuous development of the lithium battery industry, the requirements of users on the safety, the cycle life, the economic applicability and the like of the lithium ion soft package battery are continuously improved. In response to this general requirement, those skilled in the art achieve this goal from both the pouch cell material and the pouch cell structure. In the aspect of materials, the lithium iron phosphate has the advantages of good stability, abundant reserves, long service life, low cost and the like, so that the lithium iron phosphate is widely applied to the soft package battery; in the aspect of battery structure, the soft package battery has the advantages of flexible processing performance, good energy density characteristic and the like, so that the soft package battery is widely applied to the lithium battery industry. On the basis, if the energy density of the soft package battery is further improved and the cycle life is prolonged, a brand new matrix type large soft package battery or battery pack needs to be developed. However, the soft-package battery with large capacity means that the length, the width and the thickness of the soft-package battery core need to be increased, which is very challenging to the processing and manufacturing, and meanwhile, the soft-package battery with large capacity has the problems of large temperature difference, uneven distribution of electrolyte and the like, so that the cycle life of the soft-package battery is seriously restricted, and meanwhile, certain potential safety hazards are brought.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide a matrix laminate polymer battery and battery package, the processing technology that has solved current large capacity laminate polymer battery existence is complicated, electrolyte distributes inhomogeneous, life hangs down and the poor problem of security performance.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a matrix laminate battery comprising: a housing defining therein a receiving chamber open at least at one end; the partition plate is arranged in the accommodating cavity to divide the accommodating cavity into at least two cavities; the flexible package battery comprises at least two flexible package battery cells, wherein the at least two flexible package battery cells are connected in series or in parallel, at least one flexible package battery cell is arranged in each cavity, and each flexible package battery cell is provided with a polar lug group; the cover plate is connected with the shell, at least one pole column group is arranged on the cover plate, and each pole column group is electrically connected with at least one pole lug group.
As a matrix laminate polymer battery's preferred scheme, the both ends of the relative setting of casing open the setting, the apron includes first end plate and second end plate, first end plate cover is established the one end that holds the chamber, second end plate cover is established the other end that holds the chamber, every the utmost point post group all includes anodal utmost point post and negative pole post, every the utmost point post group anodal utmost point post with one in the negative pole post sets up on the first end plate, another setting is in on the second end plate.
As a matrix laminate polymer battery's preferred scheme, the number of utmost point post group is one, anodal utmost point post sets up on the first end plate, negative pole post sets up on the second end plate, at least two the anodal utmost point ear of utmost point post group all with anodal utmost point post electricity is connected, at least two laminate polymer battery core the negative pole utmost point ear of utmost point post group all with negative pole post electricity is connected.
As a matrix laminate polymer battery's preferred scheme, the number of utmost point post group is at least two, every laminate polymer battery core utmost point ear group all includes anodal utmost point ear and negative pole utmost point ear, every anodal utmost point post all with at least one anodal utmost point ear electricity is connected, every negative pole utmost point post all with at least one negative pole utmost point ear electricity is connected.
As a preferred scheme of the matrix type laminate polymer battery, the cover plate is respectively connected with the partition plate and the shell in a sealing manner so as to isolate at least two cavities from each other.
As a matrix laminate polymer battery's preferred scheme, at least two anodal utmost point post all sets up on the first end plate, at least two negative pole utmost point post all sets up on the second end plate.
As a matrix laminate polymer battery's preferred scheme, be equipped with at least one on the first terminal plate anodal utmost point post and at least one negative pole utmost point post, be equipped with at least one on the second terminal plate anodal utmost point post and at least one negative pole utmost point post.
As a matrix laminate polymer battery's preferred scheme, the one end of casing opens the setting, be equipped with one on the apron the utmost point post group, utmost point post group is including anodal utmost point post and negative pole utmost point post, at least two laminate polymer battery core establishes ties and forms laminate polymer battery core group, is located laminate polymer battery core group tip two laminate polymer battery core respectively with anodal utmost point post with the negative pole utmost point post electricity is connected.
As a preferred scheme of matrix laminate polymer battery, the baffle is the metal sheet.
A battery package, includes the matrix laminate polymer battery of above arbitrary scheme.
The utility model has the advantages that: the utility model discloses a matrix laminate polymer battery, the baffle of addding can divide into two at least cavitys with holding the chamber, all be equipped with a laminate polymer battery core in every cavity, easy processing, because the length of every laminate polymer battery core, width and height differ little with prior art, avoided the lithium problem of analysing because of the electrolyte distributes inequality and leading to the fact, this matrix laminate polymer battery's security performance has been promoted, this matrix laminate polymer battery's life has been prolonged, through connecting in parallel or establishing ties two at least laminate polymer battery cores, the purpose of increase laminate polymer battery's capacity has been reached.
The utility model discloses a battery package is owing to include the preceding matrix laminate polymer battery, this battery package has easily processing, the electrolyte distributes evenly, long service life and the good advantage of security performance.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic diagram of a casing and a partition plate of a matrix type pouch battery according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a matrix type laminate polymer battery according to a first embodiment of the present invention;
fig. 3 is a schematic diagram of a matrix type flexible package battery according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of a matrix type soft package battery according to a third embodiment of the present invention;
fig. 5 is the schematic diagram of the matrix laminate polymer battery that the embodiment of the present invention provides.
In the figure:
1. a housing; 10. a cavity;
2. a partition plate;
3. soft package battery cell; 31. a positive electrode tab; 32. a negative electrode tab;
4. a cover plate; 41. a first end plate; 42. a second end plate;
51. a positive pole column; 52. and a cathode terminal.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
This embodiment provides a matrix laminate polymer battery for battery package, as shown in fig. 1 and fig. 2, which comprises a housin 1, a partition plate 2, two laminate polymer battery cores 3, apron 4, inject the open chamber that holds in both ends in the casing 1, baffle 2 sets up and is holding the intracavity and split into two cavitys 10 in order to hold the chamber, all be equipped with a laminate polymer battery core 3 in every cavity 10, two laminate polymer battery cores 3 establish ties or parallelly connected setting, all be equipped with a utmost point ear group on every laminate polymer battery core 3, apron 4 is connected with casing 1, be equipped with two utmost point post groups on the apron 4, every utmost point post group all is connected with an utmost point ear group electricity, utmost point post group and utmost point ear group one-to-one setting promptly. In other embodiments, the number of the cavities 10 into which the accommodating cavity is divided by the partition board 2 is not limited to two in this embodiment, and may also be three or more than three, at least one soft-package battery cell 3 is disposed in each cavity 10, and the number of the cavities 10 and the number of the soft-package battery cells 3 in each cavity 10 are specifically set according to actual needs.
Preferably, the housing 1 of the present embodiment is an aluminum housing, which has the advantages of light weight, high strength and good heat dissipation performance. In other embodiments, the housing 1 may also be a steel shell or a plastic shell, which is selected according to actual needs.
The matrix laminate polymer battery that this embodiment provided, baffle 2 of addding can divide into two cavitys 10 with holding the chamber, all be equipped with at least one laminate polymer battery core 3 in every cavity 10, easily processing, because every laminate polymer battery core 3's length, width and height differ little with prior art, avoided the lithium problem of analysing because of the electrolyte distributes unevenly and causing, this matrix laminate polymer battery's security performance has been promoted, this matrix laminate polymer battery's life has been prolonged, through connecting in parallel or establishing ties with at least two laminate polymer battery cores 3, the purpose of increase laminate polymer battery's capacity has been reached.
Specifically, the soft package battery core 3 of this embodiment is lamination formula battery core or coiling formula battery core, apron 4 includes first end plate 41 and second end plate 42, and the one end in holding the chamber is established to first end plate 41 cover, and the other end in holding the chamber is established to second end plate 42 cover, and every utmost point post group all includes anodal utmost point post 51 and negative terminal post 52, and one in anodal utmost point post 51 and the negative terminal post 52 of every utmost point post group sets up on first end plate 41, and another sets up on second end plate 42.
Further, as shown in fig. 2, the first end plate 41 is provided with a positive electrode post 51 and a negative electrode post 52, and the second end plate 42 is provided with a positive electrode post 51 and a negative electrode post 52. In other embodiments, if the number of the electrode post groups is three or more than three, at this time, the first end plate 41 may be simultaneously provided with the positive electrode post 51 and the negative electrode post 52, and similarly, the second end plate 42 is also provided with the positive electrode post 51 and the negative electrode post 52, the positive electrode tab 31 of each soft package battery cell 3 is electrically connected to one positive electrode post 51, and the negative electrode tab 32 is electrically connected to one negative electrode post 52, specifically according to actual requirements.
In other embodiments, if the number of the cavities 10 is three, three cavities 10 are arranged side by side, the number of the pole groups is two, the positive electrode pole 51 of one of the pole groups is disposed on the first end plate 41, and the negative electrode pole 52 is disposed on the second end plate 42, the positive electrode pole 51 of the other pole group is disposed on the second end plate 42, and the negative electrode pole 52 is disposed on the first end plate 41, at this time, the pole ear groups of two soft package battery cells 3 are electrically connected to the same pole group, and the pole ear group of one soft package battery cell 3 is electrically connected to the other pole group. In other embodiments, if the number of the cavities 10 exceeds three and these cavities 10 are arranged in a single row or at least two rows, at least one soft package battery cell 3 is arranged in each cavity 10, once the number of the battery cell groups is less than the number of the cavities 10, it indicates that there are at least two electrode lug groups of the soft package battery cells 3 and one electrode lug group are electrically connected to each other, specifically, the arrangement is performed according to actual needs, at least one anode pole 51 and at least one cathode pole 52 are simultaneously arranged on the first end plate 41, and at least one anode pole 51 and at least one cathode pole 52 are simultaneously arranged on the second end plate 42.
The baffle 2 of this embodiment is the metal sheet, the metal sheet has not only strengthened this matrix laminate polymer battery's anti extrusion, anti buckling, anti mechanical vibration and the ability of resisting fatigue failure, the mechanical safety performance of battery has been promoted, the thermal diffusivity between each cavity 10 has still been strengthened, the heat that electrochemical reaction produced can in time be taken away at 3 charge-discharge cycle in-processes of laminate polymer core, the temperature of guaranteeing laminate polymer core 3 maintains in suitable temperature range, laminate polymer core 3's life has been prolonged.
The cover plate 4 of the present embodiment is hermetically connected to the partition plate 2 and the housing 1, respectively, to isolate the two chambers 10 from each other. Two isolated cavitys 10 of each other for matrix laminate polymer battery's processing is simpler, has reduced the loss in the assembling process simultaneously, has reduced probability and the production manufacturing cost that the short circuit takes place, has further prolonged laminate polymer core 3's life.
This embodiment still provides a battery package, including the matrix laminate polymer battery of this embodiment.
The battery package that this embodiment provided is owing to including the matrix laminate polymer battery in the preceding, this battery package has easy processing, electrolyte distributes evenly, long service life and the good advantage of security performance.
Example two
The present embodiment is different from the first embodiment in that, as shown in fig. 3, two positive electrode poles 51 are disposed on the first end plate 41, and two negative electrode poles 52 are disposed on the second end plate 42. In other embodiments, if the number of the cavities 10 is different, the number of the flexible package core 3 and the number of the pole groups also change, at this time, the positive poles 51 of all the pole groups may be disposed on the first end plate 41, and all the negative poles 52 may be disposed on the second end plate 42.
In other embodiments, if the number of the cavities 10 is three, three cavities 10 are arranged side by side, the number of the two pole groups is two, the positive poles 51 of the two pole groups are all arranged on the first end plate 41, the negative poles 52 are all arranged on the second end plate 42, at this time, the pole ear groups of two soft package battery cells 3 are electrically connected to the same pole group, and the pole ear group of one soft package battery cell 3 is electrically connected to another pole group. In other embodiments, if the number of cavity 10 exceeds three and these cavities 10 are single or two row at least settings, all be equipped with at least one soft-packaged electrical core 3 in every cavity 10, in case the number of utmost point post group is less than the number of cavity 10, it is connected with an utmost point post group electricity simultaneously to show two soft-packaged electrical core 3's utmost point ear group, specifically set up according to actual need, the anodal utmost point ear 31 of these utmost point post groups all sets up on first end plate 41 this moment, negative pole utmost point ear 32 all sets up on second end plate 42.
EXAMPLE III
The difference between the first embodiment and the second embodiment is that, as shown in fig. 4, the number of the pole groups of the first embodiment is one, the positive pole 51 of the pole group is disposed on the first end plate 41, the negative pole 52 is disposed on the second end plate 42, the positive pole tabs 31 of the two pole groups are electrically connected to the positive pole 51, and the negative pole tabs 32 of the pole groups of the two soft package cells 3 are electrically connected to the negative pole 52. In other embodiments, if the number of the cavities 10 is different, the number of the soft-package cells 3 is also changed, at this time, the positive electrode tabs 31 of all the soft-package cells 3 may be electrically connected to the positive electrode post 51, and the negative electrode tabs 32 of all the soft-package cells 3 may be electrically connected to the negative electrode post 52.
Example four
The difference between this embodiment and the first embodiment lies in that, as shown in fig. 5, the one end of casing 1 of this embodiment opens and sets up, is equipped with a utmost point post group on the apron 4, and utmost point post group includes anodal utmost point post 51 and negative pole post 52, and two soft-packaged electric core 3 establish ties and form soft-packaged electric core group, and two soft-packaged electric core 3 that are located soft-packaged electric core group tip are connected with anodal utmost point post 51 and negative pole post 52 electricity respectively. In other embodiments, if the number of the cavities 10 is three or more than three and the number of the soft package cells 3 is the same as the number of the cavities 10, all the soft package cells 3 may be connected in series at this time, and the two soft package cells 3 located at the end of the soft package cell group are electrically connected to the positive electrode post 51 and the negative electrode post 52 respectively. In other embodiments, the positive electrode tab 31 and the negative electrode tab 32 on the soft-package battery cell 3 may also be located on the same side, and if the number of the electrode column groups is the same as that of the soft-package battery cells 3, each soft-package battery cell 3 is electrically connected to one electrode column group; if the number of utmost point post group is less than the number of soft packet of electric wire, the utmost point ear group and the same utmost point post group electricity of two at least soft packet of electric core 3 are connected this moment, specifically set up according to actual need.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (7)
1. The utility model provides a matrix laminate polymer battery which characterized in that includes:
a housing (1) defining therein a receiving chamber open at least at one end;
the partition plate (2) is arranged in the accommodating cavity to divide the accommodating cavity into at least two cavities (10), and the partition plate (2) is a metal plate;
the flexible packaging battery comprises at least two flexible packaging battery cells (3), wherein the at least two flexible packaging battery cells (3) are connected in series or in parallel, at least one flexible packaging battery cell (3) is arranged in each cavity (10), and each flexible packaging battery cell (3) is provided with a polar lug group;
the cover plate (4) is connected with the shell (1), at least one pole column group is arranged on the cover plate (4), and each pole column group is electrically connected with at least one pole lug group;
the two oppositely arranged ends of the shell (1) are arranged in an open mode, the cover plate (4) comprises a first end plate (41) and a second end plate (42), the first end plate (41) is covered at one end of the accommodating cavity, the second end plate (42) is covered at the other end of the accommodating cavity, each pole group comprises a positive pole (51) and a negative pole (52), one of the positive pole (51) and the negative pole (52) of each pole group is arranged on the first end plate (41), and the other of the positive pole and the negative pole is arranged on the second end plate (42);
or, the one end of casing (1) opens the setting, be equipped with one on apron (4) the utmost point post group, the utmost point post group includes anodal utmost point post (51) and negative terminal post (52), at least two soft-packaged electrical core (3) are established ties and are formed soft-packaged electrical core group, are located two of soft-packaged electrical core group tip soft-packaged electrical core (3) respectively with anodal utmost point post (51) with negative terminal post (52) electricity is connected.
2. The matrix type laminate polymer battery according to claim 1, wherein the number of the electrode posts is one, the positive electrode post (51) is disposed on the first end plate (41), the negative electrode post (52) is disposed on the second end plate (42), at least two positive electrode tabs (31) of the electrode posts are electrically connected to the positive electrode post (51), and at least two negative electrode tabs (32) of the electrode posts of the laminate polymer battery core (3) are electrically connected to the negative electrode post (52).
3. The matrix type flexible package battery according to claim 1, wherein the number of the pole sets is at least two, the pole lug set of each flexible package battery core (3) comprises a positive pole tab (31) and a negative pole tab (32), each positive pole post (51) is electrically connected with at least one positive pole tab (31), and each negative pole post (52) is electrically connected with at least one negative pole tab (32).
4. The matrix type laminate battery according to claim 3, wherein the cover plate (4) is hermetically connected with the separator (2) and the housing (1) respectively to isolate at least two cavities (10) from each other.
5. The matrix laminate battery of claim 3, wherein at least two positive electrode posts (51) are disposed on said first end plate (41) and at least two negative electrode posts (52) are disposed on said second end plate (42).
6. The matrix type laminate battery according to claim 3, wherein at least one positive electrode post (51) and at least one negative electrode post (52) are arranged on the first end plate (41), and at least one positive electrode post (51) and at least one negative electrode post (52) are arranged on the second end plate (42).
7. A battery pack, comprising the matrix type soft package battery as claimed in any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122288073.3U CN216850214U (en) | 2021-09-22 | 2021-09-22 | Matrix type laminate polymer battery and battery package |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122288073.3U CN216850214U (en) | 2021-09-22 | 2021-09-22 | Matrix type laminate polymer battery and battery package |
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| CN216850214U true CN216850214U (en) | 2022-06-28 |
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| CN202122288073.3U Active CN216850214U (en) | 2021-09-22 | 2021-09-22 | Matrix type laminate polymer battery and battery package |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216511A1 (en) * | 2022-05-10 | 2023-11-16 | 蔚来电池科技(安徽)有限公司 | Battery |
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2021
- 2021-09-22 CN CN202122288073.3U patent/CN216850214U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216511A1 (en) * | 2022-05-10 | 2023-11-16 | 蔚来电池科技(安徽)有限公司 | Battery |
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