CN110911628B - Power battery - Google Patents
Power battery Download PDFInfo
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- CN110911628B CN110911628B CN201911216974.2A CN201911216974A CN110911628B CN 110911628 B CN110911628 B CN 110911628B CN 201911216974 A CN201911216974 A CN 201911216974A CN 110911628 B CN110911628 B CN 110911628B
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- positive
- negative
- current collecting
- collecting plate
- battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a power battery which comprises a current collecting plate assembly and a plurality of battery cores; the battery cell comprises a positive electrode and a negative electrode which are arranged on the same side of the battery cell, and the battery cells are arranged in the same direction; the current collecting plate assembly comprises a positive current collecting plate and a negative current collecting plate which are arranged at intervals, and the current collecting plate assembly is positioned at the positive end of the battery cell; the positive current collecting plate comprises a plurality of first positive branches arranged at intervals, the negative current collecting plate comprises a plurality of first negative branches arranged at intervals, the first positive branches are used for being connected with the positive pole of the battery cell, and the first negative branches are used for being connected with the negative pole of the battery cell. According to the invention, the plurality of battery cores arranged in the same direction are connected at the same side only through the plurality of first positive branches and the plurality of first negative branches, so that the welding strength of the battery cores is ensured, and the integral internal resistance of the power battery is reduced.
Description
Technical Field
The invention relates to the field of batteries, in particular to a power battery.
Background
The electric core of the traditional power battery is respectively welded with the current collecting plate through the positive and negative electrodes on the upper and lower sides, and then the negative electrode is connected with the positive electrodes of other electric cores through the current collecting plate to realize series connection. The grouping mode leads to opposite arrangement directions of adjacent series-connected battery cores in the power battery, leads to longer current flow path in the battery, and leads to the current to penetrate through the positive electrode and the negative electrode of the battery cores, so that the integral internal resistance of the power battery is increased. Meanwhile, the positive side and the negative side of the battery core are welded with the current collecting plate, so that the power battery needs to be turned back and forth during processing, the processing technology is complex, and the welding strength of the battery core and the current collecting plate is easy to damage during turning.
Disclosure of Invention
The invention mainly aims to provide a power battery, and aims to solve the technical problems that the power battery in the prior art is high in overall internal resistance and low in welding strength of a battery core and a current collecting plate.
In order to achieve the purpose, the power battery provided by the invention comprises a current collecting plate component and a plurality of battery cores; the battery cell comprises a positive electrode and a negative electrode which are arranged on the same side of the battery cell, and the battery cells are arranged in the same direction;
the current collecting plate assembly comprises a positive current collecting plate and a negative current collecting plate which are arranged at intervals, and the current collecting plate assembly is positioned at the positive end of the battery cell;
the positive current collecting plate comprises a plurality of first positive branches arranged at intervals, the negative current collecting plate comprises a plurality of first negative branches arranged at intervals, the first positive branches are used for being connected with the positive pole of the battery cell, and the first negative branches are used for being connected with the negative pole of the battery cell.
Preferably, the current collecting plate assembly further comprises a positive current collecting plate and a negative current collecting plate arranged between the positive current collecting plate and the negative current collecting plate, the positive current collecting plate and the negative current collecting plate comprise a first trunk, a plurality of second positive branches and a plurality of second negative branches, the plurality of second positive branches are arranged on one side, facing the negative current collecting plate, of the first trunk at intervals, and the plurality of second negative branches are arranged on one side, facing the positive current collecting plate, of the first trunk at intervals; the second positive branch is used for being connected with the positive electrode of the battery cell, the second negative branch is used for being connected with the negative electrode of the battery cell, the second positive branch and the first negative branch are arranged at intervals in a crossed mode, and the second negative branch and the first positive branch are arranged at intervals in a crossed mode.
Preferably, the number of the positive and negative current collecting plates is at least two, and the second negative branch of one positive and negative current collecting plate and the second positive branch of the other adjacent positive and negative current collecting plate are arranged at intervals in a crossing manner.
Preferably, the power battery further comprises tabs for connecting the current collecting plate assembly and the battery core, and the tabs comprise positive tabs and negative tabs; one end of the positive lug is connected with the positive pole of the battery cell, the other end of the positive lug is connected with the current collecting plate assembly, one end of the negative lug is connected with the negative pole of the battery cell, and the other end of the negative lug is connected with the current collecting plate assembly.
Preferably, the power battery further comprises an upper cover plate arranged between the current collecting plate and the battery core, the positive tab comprises a conducting strip and a first conducting strip arranged at the edge of the conducting strip, the upper cover plate corresponds to the conducting strip, an air hole is formed in the conducting strip, the first conducting strip is connected with the current collecting plate assembly, and the conducting strip penetrates through the air hole and is connected with the positive electrode of the battery core.
Preferably, the negative tab comprises a conductive ring and a second conductive strip arranged at the edge of the conductive ring, the conductive ring is sleeved outside the conductive strip and is arranged at an interval with the conductive strip, and the upper cover plate is provided with a through hole corresponding to the second conductive strip; the second conducting strip penetrates through the through hole to be connected with the current collecting plate assembly, and the conducting ring is connected with the negative electrode of the battery cell.
Preferably, an insulating protection ring is arranged between the positive tab and the negative tab, and the insulating protection ring is clamped between the conducting strip and the conducting ring.
Preferably, a fillet joint is formed between the conductive ring and the second conductive strip.
Preferably, the distance between the air holes and the collecting plate assembly is d, and d is more than or equal to 0.5mm and less than or equal to 5 mm.
Preferably, the positive electrode or the negative electrode of the battery cell is provided with an explosion-proof notch.
According to the technical scheme, when the power battery is assembled, the plurality of battery cores are arranged, the current collecting plate assembly is arranged on the positive side of the battery cores, the positive electrodes of the battery cores are connected with the first positive branch, the negative electrodes of the battery cores are connected with the first negative branch, the plurality of battery cores arranged in the same direction are connected in parallel through the plurality of first positive branches and the plurality of first negative branches of the current collecting plate assembly, the situation that the battery cores are overturned back and forth in the welding process between the battery cores and the current collecting plate assembly is avoided, and the welding strength of the battery cores is guaranteed. The current of the power battery flows to the negative electrode on the same side with the positive electrode through the positive electrode of one battery cell and then flows to the negative electrode of the next battery cell through the negative branch, so that the current is prevented from penetrating through the whole battery cell, and the integral internal resistance of the power battery is reduced. According to the invention, the plurality of battery cores arranged in the same direction are connected at the same side only through the plurality of first positive branches and the plurality of first negative branches, so that the welding strength of the battery cores is ensured, and the integral internal resistance of the power battery is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a power battery according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of region A of FIG. 1;
fig. 3 is a schematic structural diagram of a power battery according to another angle in an embodiment of the invention;
fig. 4 is an exploded view of a power battery according to an embodiment of the invention;
FIG. 5 is a schematic view of a collector plate assembly according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an upper cover plate according to an embodiment of the present invention
Fig. 7 is a schematic structural diagram of a tab and a battery cell according to an embodiment of the invention
Fig. 8 is a schematic structural diagram of a negative electrode tab according to an embodiment of the invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The description of the orientations of "up", "down", "left", "right", etc. in the present invention, with reference to the orientations shown in fig. 1, 3 and 4, is merely for explaining the relative positional relationship between the respective components in the postures shown in fig. 1, 3 and 4, and if the specific posture is changed, the directional indication is changed accordingly.
The invention provides a power battery.
As shown in fig. 1 to 8, in an embodiment of the present invention, a power battery 100 includes a current collecting plate assembly 1 and a plurality of battery cells 2; the battery cell 2 comprises a positive electrode and a negative electrode which are arranged on the same side of the battery cell 2, and the battery cells 2 are arranged in the same direction; the current collecting plate assembly 1 comprises a positive current collecting plate 11 and a negative current collecting plate 12 which are arranged at intervals, and the current collecting plate assembly 1 is positioned at the positive end (namely the upper end) of the electric core 2; the positive current collecting plate 11 includes a plurality of first positive branches 111 disposed at intervals, the negative current collecting plate 12 includes a plurality of first negative branches 121 disposed at intervals, the first positive branches 111 are used for being connected with the positive electrode of the battery cell 2, and the first negative branches 121 are used for being connected with the negative electrode of the battery cell 2. In this embodiment, the plurality of battery cells 2 are arranged in a matrix, and the battery cells 2 are connected to the collector plate assembly 1 by welding.
When the power battery 100 of this embodiment is assembled, the plurality of battery cells 2 are arranged, and then the current collecting plate assembly 1 is disposed on the positive electrode side of the battery cells 2, while the positive electrode of the battery cells 2 is connected to the first positive branch 111, the negative electrode of the battery cells 2 is connected to the first negative branch. Through a plurality of first positive branches 111 and a plurality of first negative branches 121 of collecting plate subassembly 1 with a plurality of syntropy setting electric core 2 parallelly connected, avoid the circumstances of the electric core 2 that makes a round trip to turn over to appear among the welding process between electric core 2 and the collecting plate subassembly 1, guaranteed electric core 2's welding strength. The current of the power battery 100 flows to the cathode on the same side as the anode through the anode of one battery cell 2, and then flows to the cathode of the next battery cell 2 through the first negative branch 121, so that the current is prevented from penetrating through the whole battery cell 2, and the overall internal resistance of the power battery 100 is reduced. In the embodiment, the plurality of cells 2 arranged in the same direction are connected on the same side only through the plurality of first positive branches 111 and the plurality of first negative branches 121, so that the welding strength of the cells 2 is ensured, and the overall internal resistance of the power battery 100 is reduced.
As shown in fig. 1 and 2, the current collecting plate assembly 1 further includes a positive current collecting plate 13 and a negative current collecting plate 12, the positive current collecting plate 13 and the negative current collecting plate 12 include a first trunk 133, a plurality of second positive branches 131 and a plurality of second negative branches 132, the plurality of second positive branches 131 are alternately disposed on a side of the first trunk 133 facing the negative current collecting plate 12, and the plurality of second negative branches 132 are alternately disposed on a side of the first trunk 133 facing the positive current collecting plate 11; the second positive branch 131 is used for being connected with the positive electrode of the battery cell 2, the second negative branch 132 is used for being connected with the negative electrode of the battery cell 2, the second positive branch 131 and the first negative branch 121 are arranged at intervals in a crossing manner, the second negative branch 132 and the first positive branch 111 are arranged at intervals in a crossing manner, the first trunk 133 extends along the left-right direction, the plurality of second positive branches 131 are arranged on one side of the first trunk 133 along the left-right direction at intervals, and the plurality of second negative branches 132 are arranged on the other side of the first trunk 133 along the left-right direction at intervals.
The power battery 100 includes a plurality of battery core groups, and the embodiment is described with three battery cells 2 as one battery core group. A plurality of electric core groups are arranged between the positive and negative current collecting plates 13 and 12, wherein one electric core group is arranged between any adjacent second positive branch 131 and first negative branch 121, and any two electric core groups adjacent in the left-right direction share one second positive branch 131 or first negative branch 121. A plurality of electric core groups are arranged between the positive and negative current collecting plates 13 and the positive current collecting plate 11, wherein one electric core group is arranged between any adjacent second negative branch 132 and first positive branch 111, and any two electric core groups adjacent in the left-right direction share one first positive branch 111 or second negative branch 132. The second positive branch 131 and the first negative branch 121 are arranged in a crossed and spaced manner, and the second negative branch 132 and the first positive branch 111 are arranged in a crossed and spaced manner, so that the structure of the power battery 100 is more compact, and the arrangement requirements of different power batteries can be met.
In this embodiment, the number of positive and negative current collecting plates 13 is at least two, and the second negative branch 132 of one positive and negative current collecting plate 13 is arranged to intersect with and be spaced apart from the second positive branch 131 of another adjacent positive and negative current collecting plate 13. As shown in fig. 3, the power battery 100 of the present embodiment includes a positive current collecting plate 11, a negative current collecting plate 12, and two positive and negative current collecting plates 13, wherein the positive current collecting plate 11 and the negative current collecting plate 12 are respectively disposed on two sides of the two positive and negative current collecting plates 13. In the present embodiment, the positive current collecting plate 11, the negative current collecting plate 12, and the plurality of positive and negative current collecting plates 13 are matched to improve the flexible design of the power battery 100.
As shown in fig. 4 to 7, the power battery 100 further includes tabs 3 for connecting the current collecting plate assembly 1 and the battery cells 2, and the tabs 3 include positive tabs 31 and negative tabs 32; one end of the positive tab 31 is connected to the positive electrode of the battery cell 2, the other end of the positive tab 31 is connected to the current collecting plate assembly 1, one end of the negative tab 32 is connected to the negative electrode of the battery cell 2, and the other end of the negative tab 32 is connected to the current collecting plate assembly 1. In this embodiment, the positive electrodes and the negative electrodes of the plurality of cells 2 between the positive current collecting plate 13 and the positive current collecting plate 11 are respectively and correspondingly connected to the first positive branch 111 of the positive current collecting plate 11 and the second negative branch 132 of the positive current collecting plate 13. The positive electrodes and the negative electrodes of the plurality of cells 2 between the positive current collecting plate 13 and the negative current collecting plate 12 are respectively and correspondingly connected with the second positive branch 131 of the positive current collecting plate 11 and the first negative branch 121 of the positive current collecting plate 13. The positive electrode and the negative electrode of the battery core 2 between any two adjacent positive and negative current collecting plates 13 are respectively and correspondingly connected with the second positive branch 131 of one positive and negative current collecting plate 13 and the second negative branch 132 of the other positive and negative current collecting plate 13. Under the condition that the collector plate assembly 1 has a plurality of branches, the positive electrode tab 31 and the negative electrode tab 32 are respectively used for connecting the positive electrode and the negative electrode of the battery cell 2 with the collector plate assembly 1, so that the welding difficulty between the battery cell 2 and the collector plate assembly 1 is reduced, and the welding time of the power battery 100 is shortened.
As shown in fig. 1 to 4, the power battery 100 further includes a lower cover plate 6, a casing 7, and an upper cover plate 5 disposed between the current collecting plate and the electric core 2, the electric cores 2 are all accommodated in the casing 7, the lower ends of the electric cores 2 are connected to the lower cover plate 6, the upper ends of the electric cores 2 are provided with a positive electrode and a negative electrode, and the upper ends of the electric cores 2 are connected to the current collecting plate assembly 1 through tabs. The positive tab 31 includes a conductive sheet 311 and a first conductive strip 312 disposed at an edge of the conductive sheet 311, the upper cover plate 5 has an air hole 51 corresponding to the conductive sheet 311, the first conductive strip 312 is connected to the current collecting plate assembly 1, and the conductive sheet 311 passes through the air hole 51 and is connected to the positive electrode of the battery cell 2. In this embodiment, the negative tab 32 includes a conductive ring 321 and a second conductive strip 322 disposed at an edge of the conductive ring 321, the conductive ring 321 is sleeved outside the conductive strip 311 and disposed at an interval with the conductive strip 311, and the upper cover plate 5 is provided with a through hole 52 corresponding to the second conductive strip 322; the second conductive strip 322 passes through the through hole 52 and is connected to the current collecting plate assembly 1, and the conductive ring 321 is connected to the negative electrode of the cell 2. Because the positive tab 31 and the negative tab 32 are respectively provided with the first conductive strip 312 and the second conductive strip 322, the first conductive strip 312 and the second conductive strip 322 extend out of the upper cover plate 6 for a certain length, which facilitates the welding between the positive tab 31, the negative tab 32 and the current collecting plate assembly 1, and can greatly improve the welding speed of the power battery 100, thereby further shortening the assembly period of the power battery 100.
The conductive ring 321 of the embodiment is made of 1060 aluminum alloy, the 1060 aluminum alloy is easy to obtain, and meanwhile, the conductivity is high, the heat effect of current is small, the charge and discharge energy loss can be effectively reduced, and the temperature rise of the power battery 100 is reduced. It should be noted that, in order to avoid a short circuit between the positive electrode and the negative electrode of the battery cell 2 and improve the safety of the power battery 100, an insulating protection ring 4 is disposed between the positive electrode tab 31 and the negative electrode tab 32, and the insulating protection ring 4 is clamped between the conductive sheet 311 and the conductive ring 321. In this embodiment, a rounded joint (not shown) is formed between the conductive ring 321 and the second conductive strip 322, so as to increase the current carrying capacity of the negative tab 32, thereby improving the performance of the power battery 100. In this embodiment, the distance between the air hole 51 and the current collecting plate assembly 1 is d, and d is greater than or equal to 0.5mm and less than or equal to 5mm, so as to prevent the short circuit of the power battery 100 caused by the blowout of the battery cell 2 on the current collecting plate assembly 1, and further improve the safety of the power battery 100. The positive pole or the negative pole of electric core 2 of this embodiment is provided with explosion-proof nick for electric core 2 spouts when exploding directional, is convenient for control electric core 2 and spouts the risk of exploding.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A power battery comprises a current collecting plate assembly and a plurality of battery cores; the battery cell comprises a positive electrode and a negative electrode which are arranged on the same side of the battery cell, and the battery cells are arranged in the same direction;
the current collecting plate assembly comprises a positive current collecting plate and a negative current collecting plate which are arranged at intervals, and the current collecting plate assembly is positioned at the positive end of the battery cell;
the positive current collecting plate comprises a plurality of first positive branches arranged at intervals, the negative current collecting plate comprises a plurality of first negative branches arranged at intervals, the first positive branches are used for being connected with the positive electrode of the battery cell, and the first negative branches are used for being connected with the negative electrode of the battery cell;
the collector plate assembly further comprises a positive collector plate and a negative collector plate which are arranged between the positive collector plate and the negative collector plate, the positive collector plate and the negative collector plate comprise a first trunk, a plurality of second positive branches and a plurality of second negative branches, the plurality of second positive branches are arranged on one side, facing the negative collector plate, of the first trunk at intervals, and the plurality of second negative branches are arranged on one side, facing the positive collector plate, of the first trunk at intervals; the second positive branch is used for being connected with the positive electrode of the battery cell, the second negative branch is used for being connected with the negative electrode of the battery cell, the second positive branch and the first negative branch are arranged at intervals in a crossed mode, and the second negative branch and the first positive branch are arranged at intervals in a crossed mode;
the power battery also comprises a tab for connecting the current collecting plate assembly and the battery cell, and the tab comprises a positive tab and a negative tab; one end of the positive lug is connected with the positive electrode of the battery cell, the other end of the positive lug is connected with the current collecting plate assembly, one end of the negative lug is connected with the negative electrode of the battery cell, and the other end of the negative lug is connected with the current collecting plate assembly;
the positive lug comprises a conducting strip and a first conducting strip arranged at the edge of the conducting strip, the first conducting strip is connected with the current collecting plate assembly, and the conducting strip is connected with the positive electrode of the battery cell;
the negative pole ear includes conductive ring and sets up in the second busbar at conductive ring edge, conductive ring cover is located outside the conductive strip and with the conductive strip interval sets up, the second busbar with the current collector subassembly is connected, conductive ring with the negative pole of electricity core is connected.
2. The power cell of claim 1, wherein said positive and negative collector plates are at least two in number, and wherein said second negative leg of one of said positive and negative collector plates is spaced across said second positive leg of the other of said positive and negative collector plates.
3. The power battery of claim 1, further comprising an upper cover plate disposed between the current collecting plate and the battery cell, wherein the upper cover plate is provided with air holes corresponding to the conductive sheets, and the conductive sheets penetrate the air holes and are connected to the positive electrode of the battery cell.
4. The power battery as claimed in claim 3, wherein the upper cover plate is provided with a through hole corresponding to the second conductive strip; and the second conductive strips penetrate through the through holes to be connected with the collector plate assembly.
5. The power battery according to claim 1, wherein an insulating guard ring is arranged between the positive tab and the negative tab, and the insulating guard ring is clamped between the conducting strip and the conducting ring.
6. The power cell as claimed in claim 1, wherein a rounded joint is formed between the conductive loop and the second conductive strip.
7. The power battery of claim 3, wherein the distance between the air holes and the current collector plate assembly is d, and 0.5mm ≦ d ≦ 5 mm.
8. The power battery of any one of claims 1-7, wherein the positive or negative electrode of the cell is provided with an explosion-proof score.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911216974.2A CN110911628B (en) | 2019-11-29 | 2019-11-29 | Power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911216974.2A CN110911628B (en) | 2019-11-29 | 2019-11-29 | Power battery |
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| Publication Number | Publication Date |
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| CN110911628A CN110911628A (en) | 2020-03-24 |
| CN110911628B true CN110911628B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911216974.2A Active CN110911628B (en) | 2019-11-29 | 2019-11-29 | Power battery |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403639A (en) * | 2020-03-30 | 2020-07-10 | 深圳市人工智能与机器人研究院 | Power battery with welding positive electrode and negative electrode on same side of battery core |
| CN114122599A (en) * | 2021-11-13 | 2022-03-01 | 安徽江淮汽车集团股份有限公司 | Battery module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064721A (en) * | 2009-12-24 | 2014-09-24 | 三洋电机株式会社 | Battery pack |
| CN104134769A (en) * | 2014-08-05 | 2014-11-05 | 常州格力博有限公司 | Large capacity battery pack structure and assembly method thereof |
| CN106169546A (en) * | 2016-08-29 | 2016-11-30 | 华霆（合肥）动力技术有限公司 | A kind of die-filling group of set of cells |
| CN107248564A (en) * | 2017-07-05 | 2017-10-13 | 华霆（合肥）动力技术有限公司 | A kind of battery core block structure and power battery module |
| JP2018005984A (en) * | 2016-06-27 | 2018-01-11 | 日立オートモティブシステムズ株式会社 | Power storage module |
-
2019
- 2019-11-29 CN CN201911216974.2A patent/CN110911628B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064721A (en) * | 2009-12-24 | 2014-09-24 | 三洋电机株式会社 | Battery pack |
| CN104134769A (en) * | 2014-08-05 | 2014-11-05 | 常州格力博有限公司 | Large capacity battery pack structure and assembly method thereof |
| JP2018005984A (en) * | 2016-06-27 | 2018-01-11 | 日立オートモティブシステムズ株式会社 | Power storage module |
| CN106169546A (en) * | 2016-08-29 | 2016-11-30 | 华霆（合肥）动力技术有限公司 | A kind of die-filling group of set of cells |
| CN107248564A (en) * | 2017-07-05 | 2017-10-13 | 华霆（合肥）动力技术有限公司 | A kind of battery core block structure and power battery module |
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