CN203134903U - Internal parallel-connection large-capacity lithium ion battery pack - Google Patents
Internal parallel-connection large-capacity lithium ion battery pack Download PDFInfo
- Publication number
- CN203134903U CN203134903U CN2012206908219U CN201220690821U CN203134903U CN 203134903 U CN203134903 U CN 203134903U CN 2012206908219 U CN2012206908219 U CN 2012206908219U CN 201220690821 U CN201220690821 U CN 201220690821U CN 203134903 U CN203134903 U CN 203134903U
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- battery
- lithium ion
- parallel
- ion battery
- shell
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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 utility model relates to an internal parallel-connection large-capacity lithium ion battery pack. The lithium ion battery pack comprises a battery shell, a battery cover with a negative pole and a positive pole and two or more flaky battery cells respectively with a negative tab and a positive tab, and the internal parallel-connection large-capacity lithium ion battery pack is characterized in that an insertion groove for partition plates to insert is arranged in the inner wall of the battery shell, and grids for storing the battery cells are formed between the inner wall of the battery shell and the partition plates as well as between two adjacent partition plates respectively; and the negative tabs of all battery cells in the battery shell are connected with the negative pole after being connected with one another in parallel, and the positive tabs of all battery cells are connected with the positive pole after being connected with one another in parallel. Since the two or more battery cells are directly inserted into the battery shell to form the parallel connection, the battery shell of each single battery can be omitted, the weight is reduced, and the weight energy ratio is improved; and the H-shaped insertion partition plates are inserted into the insertion groove in the inner wall of the battery, so that the heat radiation of the battery cell facilitated, the weight is reduced, the circulation of an electrolyte can be facilitated, and convenience for assembling the battery can be achieved.
Description
Technical field
The utility model belongs to technical field of lithium ion, particularly relates to a kind of inner high capacity lithium ion battery group in parallel.
Background technology
At present, lithium ion battery with its superior chemical property and environment friendly and be widely used in mobile phone, computer, take the photograph/video tape recorder, field such as electric tool, motor vehicle; Electrochemical capacitor is with its high power and long-life characteristics and be widely used in back-up source (UPS), the pulse power, peak load regulation network, startup power supply and hybrid vehicle etc.Along with the continuous expansion in lithium ion battery applications field, the demand of high capacity cell even battery with ultra large capacity is also increasing.For this battery, prior art mainly is to adopt whole cell to carry out structure in parallel in the macrocell shell, has increased the weight of battery, reduce the battery weight specific energy, and owing to adopt no diaphragm structure, be unfavorable for heat radiation, or adopt the stationary barrier structure, be unfavorable for being inconvenient to assemble.
Summary of the invention
The utility model provides for solving the technical problem that exists in the known technology that a kind of battery weight is light, battery specific energy height, thermal diffusivity are good, and the high capacity lithium ion battery group of inside parallel connection easy to assembly.
The technical scheme that the utility model is taked is:
Inner high capacity lithium ion battery group in parallel, comprise a battery case, have battery cover and two or more sheet battery that has negative lug and positive pole ear of negative pole pole and Positive Poles, be characterized in: be shaped on the slot that inserts dividing plate on the described internal surface of battery shell, form the grid that is placed with battery between internal surface of battery shell and dividing plate and the adjacent separator; Be connected with the negative pole pole after the negative lug parallel connection of all batteries core in the battery case, be connected with Positive Poles after the positive pole ear parallel connection of all batteries core.
The utility model can also adopt following technical scheme:
Described dividing plate is the H type board plug type dividing plate that aluminium flake, aluminium alloy or stainless steel substrates are made.
Described battery comprises LiFePO4, cobalt acid lithium, LiMn2O4, cobalt nickel oxide manganses lithium, lithium titanate, phosphoric acid vanadium lithium system.
Described battery case is the square housing of aluminium, aluminium alloy or stainless steel.
Advantage and the good effect that the utlity model has are:
1, the utility model has saved the battery case of each cell owing to two and above battery directly inserted to form in the battery case be connected in parallel, and has alleviated weight, has improved gravimetric specific energy;
2, the utility model had been owing to inserting H type board plug type dividing plate in the battery inwall slot, both be conducive to the heat radiation of battery, alleviated weight, had been conducive to electrolyte circulation again, and be convenient to the assembling of battery.
3, the utility model can extensively be sent out and be applicable to big capacity or battery with ultra large capacity, lithium ion battery is had at aspects such as back-up source (UPS), peak load regulation network, hybrid vehicle, energy storage widely use, and expands the range of application of lithium ion battery.
Description of drawings
Fig. 1 is the inner high capacity lithium ion battery group group schematic diagram in parallel of utility model;
Fig. 2 is the inside parallel-connection structure schematic diagram of Fig. 1;
Fig. 3 is battery case structural representation among Fig. 2;
Fig. 4 is Fig. 2 median septum structural representation;
Fig. 5 is battery structural representation among Fig. 2.
Among the figure, the 1-battery case; The 2-battery cover; 3-negative pole pole; The 4-Positive Poles; The 5-dividing plate; The 6-battery; The 7-slot; The 8-negative lug; The 9-positive pole ear.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Inner in parallel high capacity lithium ion battery group comprises a battery case 1, has the battery cover 2 of negative pole pole 3 and Positive Poles 4 and two or more have the sheet battery 6 of negative lug 8 and positive pole ear 9.
Innovative point of the present utility model is:
Be shaped on the slot 7 that inserts dividing plate 5 on the described internal surface of battery shell, form the grid that is placed with battery between internal surface of battery shell and dividing plate and the adjacent separator; Be connected with the negative pole pole after the negative lug parallel connection of all batteries core in the battery case, be connected with Positive Poles after the positive pole ear parallel connection of all batteries core; Described dividing plate is the H type board plug type dividing plate that aluminium flake, aluminium alloy or stainless steel substrates are made; Described battery comprises LiFePO4, cobalt acid lithium, LiMn2O4, cobalt nickel oxide manganses lithium, lithium titanate, phosphoric acid vanadium lithium system; Described battery case is the square housing of aluminium, aluminium alloy or stainless steel.
Preparation process of the present utility model:
Embodiment:
Select square stainless steel battery case for use, make four pairs of slots as shown in Figure 3 on corresponding two inwalls of battery case, the H type board plug type dividing plate that four stainless steel substrates shown in Figure 4 are made inserts respectively in four pairs of slots, form five grids between internal surface of battery shell and dividing plate and the adjacent separator altogether, five 20Ah ferric phosphate lithium cell cores shown in Figure 5 are placed on respectively in five grids, directly the negative lug of five battery in the battery case is carried out parallel connection, the positive pole ear of five battery carries out parallel connection, forms the inside parallel-connection structure of high capacity lithium ion battery as shown in Figure 2; With the negative lug after the parallel connection be connected with negative pole pole in the battery cover, positive pole ear after the parallel connection is with after Positive Poles in the battery cover is connected, battery cover and battery case seal welding are integral, inject electrolyte, form inner 100Ah high capacity lithium ion battery in parallel as shown in Figure 1.
Although by reference to the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection range of the present utility model.
Claims (3)
1. inner in parallel high capacity lithium ion battery group, comprise a battery case, have battery cover and two or more sheet battery that has negative lug and positive pole ear of negative pole pole and Positive Poles, it is characterized in that: be shaped on the slot that inserts dividing plate on the described internal surface of battery shell, form the grid that is placed with battery between internal surface of battery shell and dividing plate and the adjacent separator; Be connected with the negative pole pole after the negative lug parallel connection of all batteries core in the battery case, be connected with Positive Poles after the positive pole ear parallel connection of all batteries core.
2. according to the described inner high capacity lithium ion battery group in parallel of claim 1, it is characterized in that: described dividing plate is the H type board plug type dividing plate that aluminium flake, aluminium alloy or stainless steel substrates are made.
3. according to the described inner high capacity lithium ion battery group in parallel of claim 1, it is characterized in that: described battery case is the square housing of aluminium, aluminium alloy or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206908219U CN203134903U (en) | 2012-12-13 | 2012-12-13 | Internal parallel-connection large-capacity lithium ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206908219U CN203134903U (en) | 2012-12-13 | 2012-12-13 | Internal parallel-connection large-capacity lithium ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203134903U true CN203134903U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206908219U Expired - Fee Related CN203134903U (en) | 2012-12-13 | 2012-12-13 | Internal parallel-connection large-capacity lithium ion battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203134903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099203A (en) * | 2016-08-23 | 2016-11-09 | 江苏峰谷源储能技术研究院有限公司 | A kind of Demountable combined-type lithium battery bag |
| CN107293669A (en) * | 2017-06-21 | 2017-10-24 | 无锡威奥液压机电设备有限公司 | A kind of power supply for environmental protection equipment |
-
2012
- 2012-12-13 CN CN2012206908219U patent/CN203134903U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099203A (en) * | 2016-08-23 | 2016-11-09 | 江苏峰谷源储能技术研究院有限公司 | A kind of Demountable combined-type lithium battery bag |
| CN107293669A (en) * | 2017-06-21 | 2017-10-24 | 无锡威奥液压机电设备有限公司 | A kind of power supply for environmental protection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20161213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |