CN210468023U - Integrated lithium ion battery - Google Patents
Integrated lithium ion battery Download PDFInfo
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- CN210468023U CN210468023U CN201921646004.1U CN201921646004U CN210468023U CN 210468023 U CN210468023 U CN 210468023U CN 201921646004 U CN201921646004 U CN 201921646004U CN 210468023 U CN210468023 U CN 210468023U
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- battery
- lithium ion
- ion battery
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- battery case
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses an integration lithium ion battery belongs to battery technical field. This lithium ion battery includes inclosed electrically conductive battery case, be equipped with apron A in the battery case, apron A separates inclosed upper chamber and lower chamber with battery case's inner space, the indoor safe intelligent control ware that has with battery case electric connection of going up, the indoor fixing agent that has filled around safe intelligent control ware of going up, be equipped with the electric core group in the lower chamber, be equipped with negative pole mass flow strip and anodal mass flow strip on the electric core group, negative pole mass flow strip and battery case electric connection, anodal mass flow strip and safe intelligent control ware electric connection. The lithium battery charging management chip is reliably fixed in the upper chamber of the battery shell through the fixing agent and is not easy to loosen in the use process. The lithium ion battery has good safety performance, high integration level, high specific energy, simple structure, easy production, repeated charge and discharge and long service life.
Description
Technical Field
The utility model relates to an integration lithium ion battery belongs to battery technical field.
Background
As a novel chemical power supply, the lithium ion battery has the outstanding advantages of high working voltage, large specific energy, stable discharge potential curve, small self-discharge, long cycle life, good low-temperature performance, no memory, no pollution and the like, can meet the double requirements of people on small size and light weight of batteries required by portable electrical appliances and is beneficial to environmental protection, and is widely applied to the fields of electronic products, vehicles, national defense and military, aerospace and the like. For example, chinese patent publication No. CN207490035U discloses a rechargeable capacitive lithium battery, which includes a cavity-shaped battery case, a lithium battery cell disposed in the battery case, and a charging/discharging control circuit board, wherein the charging/discharging control circuit board includes a connection terminal, battery positive terminal and battery negative pole end, the lithium cell electricity core is capacitanc lithium cell electricity core, the positive post and the negative pole post of lithium cell electricity core all peg graft with binding post, charge and discharge control circuit board's battery negative pole end is connected with the battery case electricity, the battery case is the conductor, the chamber mouth of battery case is connected with insulating film, insulating film is connected with the gasket, charge and discharge control circuit board is connected with the interface that charges, insulating film and gasket all are equipped with the through-hole that corresponds with the interface that charges, be connected with electrically conductive protruding positive terminal on the gasket, electrically conductive protruding positive terminal is connected with charge and discharge control circuit board's battery positive. The positive and negative electrodes of the lithium battery are arranged at one end, the connection with the control circuit board is more reliable, the conductive battery shell is used as the negative electrode end of the battery, the structure is simple, the production is easy, the functions of overload prevention, explosion prevention and overcharge prevention are realized, the repeated charging and discharging times are high, and the service life is long; the smaller-size battery with the positive electrode cap can also protect the charging interface from water and dust, and is not easy to lose.
However, the charging and discharging control circuit board in the lithium battery is not effectively fixed, and may loosen during the use process, resulting in poor contact of the lithium battery.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an integration lithium ion battery.
The utility model discloses a following technical scheme can realize:
the utility model provides an integrated lithium ion battery, includes inclosed electrically conductive battery case, the internal apron A that is equipped with of battery case, apron A separates inclosed upper chamber and lower chamber with battery case's inner space, the indoor safe intelligent control ware that has with battery case electric connection of going up that is equipped with, and it has the fixative to fill around safe intelligent control ware in the upper chamber, be equipped with the electric core group in the lower chamber, be equipped with negative pole mass flow strip and anodal mass flow strip on the electric core group, negative pole mass flow strip and battery case electric connection, anodal mass flow strip and safe intelligent control ware electric connection.
The integrated lithium ion battery also comprises a connector, and the connector is electrically connected with the safe intelligent controller in the battery shell through a lead.
The outer surface of the battery case is coated with an insulating film.
The battery shell comprises a lower shell, an upper shell and a cover plate B, wherein the cover plate A covers the lower shell, the upper shell is welded on the lower shell, the cover plate B is arranged at the top end of the upper shell, and a lead hole is formed in the cover plate B.
The safe intelligent controller is a lithium battery charging management chip.
The outer surface of the safe intelligent controller is coated with polyimide adhesive tape.
The fixative fills the entire upper chamber.
The fixing agent is silicon rubber.
The electric core group comprises a plurality of electric cores which are connected in parallel, and the outer surface of the electric core group is coated with an insulating diaphragm.
The cover plate A is provided with a positive plate insulated with the cover plate A, the lower side of the positive plate is connected with the positive collector bar through a positive connecting bar, and the upper side of the positive plate is electrically connected with the safe intelligent controller; the cover plate A is provided with a liquid injection port, and a sealing steel ball is arranged in the liquid injection port.
The beneficial effects of the utility model reside in that: the lithium battery charging management chip is reliably fixed in the upper chamber of the battery shell through the fixing agent and is not easy to loosen in the use process. The surface cladding of lithium battery charging management chip has the polyimide sticky tape, and the surface cladding of electric core group has insulating diaphragm to guarantee that lithium ion battery has good insulating properties and higher security performance. The lithium ion battery has high integration level, high specific energy, simple structure, easy production, overload prevention, overcharge prevention and other protection functions, can be repeatedly charged and discharged, and has long service life.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is an assembly view of the cover plate a and the positive plate according to the embodiment of the present invention;
fig. 5 is a schematic top view of a cover plate B according to an embodiment of the present invention.
In the figure: 1-battery core, 2-lower shell, 3-negative pole current collecting bar, 4-cover plate A, 5-safe intelligent controller, 6-fixing agent, 7-cover plate B, 8-wire harness fixing ring, 9-connector, 10-positive pole connecting bar, 11-positive pole current collecting bar, 12-positive pole piece, 13-liquid injection port, 14-lead hole, 15-upper shell and 16-insulating film.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 5, an integration lithium ion battery, including inclosed electrically conductive battery case, the internal welding of battery case has apron a4, apron a4 separates inclosed epicoele and the lower chamber with battery case's inner space, epicoele indoor installation have with battery case electric connection's safe intelligent control ware 5, the indoor packing of epicoele has fixative 6 around safe intelligent control ware 5, install the electric core group in the lower chamber, be equipped with negative pole mass flow strip 3 and anodal mass flow strip 11 on the electric core group, negative pole mass flow strip 3 and battery case electric connection, anodal mass flow strip 11 and safe intelligent control ware 5 electric connection. When the battery pack is used, the battery pack is arranged in the battery shell in a matched mode.
The integrated lithium ion battery also comprises a connector 9, and the connector 9 is electrically connected with the safe intelligent controller 5 in the battery shell through a lead. The charging and discharging through the connector 9 are convenient, and the connector 9 is the prior art and is not described herein again.
The outer surface of the battery case is coated with an insulating film 16.
The battery shell comprises a lower shell 2, an upper shell 15 and a cover plate B7, wherein the cover plate A4 covers the lower shell 2, the upper shell 15 is welded on the lower shell 2, the cover plate B7 is welded at the top end of the upper shell 15, and a lead hole 14 is processed on the cover plate B7.
The safe intelligent controller 5 is a lithium battery charging management chip.
The outer surface of the safe intelligent controller 5 is coated with polyimide adhesive tape. So as to improve the insulativity of the integrated lithium ion battery.
The fixative 6 fills the entire upper chamber.
The fixing agent 6 is silicon rubber. The silicone rubber is single-component silicone rubber or double-component silicone rubber.
The electric core group comprises a plurality of electric cores 1 which are connected in parallel, and the outer surface of the electric core group is coated with an insulating diaphragm. The battery cell pack is insulated from the battery case.
The cover plate A4 is provided with a positive plate 12 insulated with the cover plate A4, the lower side of the positive plate 12 is connected with a positive collector bar 11 through a positive connecting bar 10, and the upper side of the positive plate is electrically connected with the safe intelligent controller 5; the cover plate A4 is provided with a liquid injection port 13, and a sealing steel ball is pressed in the liquid injection port 13.
In summary, the lithium battery charging management chip is reliably fixed in the upper chamber of the battery case by the fixing agent 6, and is not easy to loosen during use. The surface cladding of lithium battery charging management chip has the polyimide sticky tape, and the surface cladding of electric core group has insulating diaphragm to guarantee that lithium ion battery has good insulating properties and higher security performance. The lithium ion battery has high integration level, high specific energy, simple structure, easy production, overload prevention, overcharge prevention and other protection functions, can be repeatedly charged and discharged, and has long service life.
Example (b):
as shown in fig. 1 to 5, taking an integrated lithium ion battery with a rectangular parallelepiped shape as an example, the preparation method or process thereof is as follows:
the positive electrode plate, the negative electrode plate and the separator are wound into a cell 1 by a square battery winding apparatus, and the two cells 1 are assembled in parallel in a lower case 2. The positive collector bar 11 and the positive connecting bar 10 are welded by ultrasonic welding. The negative collector bar 3 is welded to the inner wall of the lower case 2 by laser welding. The lid a4 is then welded to the top of the lower case 2 by laser welding. The electrolyte is filled into the battery through the liquid filling port 13, and the electrolyte is soaked on the surfaces and inside of the positive plate, the negative plate and the diaphragm. Then the sealing steel ball is pressed into the liquid injection port 13 by mechanical external force, and the upper part of the liquid injection port 13 is coated with bi-component silicon rubber.
Finding two leads used for being connected with the positive electrode and the negative electrode of the battery on the lithium battery charging management chip, respectively welding the positive electrode lead and the negative electrode lead with a first welding piece and a second welding piece in a soldering mode, winding a polyimide adhesive tape on the surface of a welding point and sleeving a heat-shrinkable sleeve, then welding the first welding piece on the positive electrode piece 12, and welding the second welding piece on any place of the cover plate A4 except the positive electrode piece 12. The upper case 15 is a square tube welded to the lower case 2 by laser welding. Firstly, a polyimide adhesive tape is wound on the surface of the lithium battery charging management chip, then a layer of thicker single-component silicon rubber is coated on the bottom of the lithium battery charging management chip, and the thicker single-component silicon rubber is adhered and fixed on the cover plate A4.
The wire is drawn out of a dimensioned connector 9 (the length of the wire is calculated from the end of the connector 9), wound with a string and marked, then tightened with a bundle securing ring 8 and finally tightened with a heat shrink sleeve over the bundle securing ring 8. And leading out the lead of the connector 9 through the lead hole 14 on the cover plate B7, and completing the butt joint work of the lead and the lithium battery charging management chip. And filling the bi-component silicon rubber into the upper cavity until the height of the bi-component silicon rubber is flush with the top end of the upper shell 15, covering the top end of the upper shell 15 with a cover plate B7, winding and fixing the cover plate B7 by using a paper adhesive tape, tearing off the paper adhesive tape after the bi-component silicon rubber is dried, and welding the cover plate B7 to the top end of the upper shell 15 by laser welding. And finally, sleeving two layers of heat-shrinkable sleeves on the outer surface of the battery shell.
In order to improve the mechanical bearing capacity of the integrated lithium ion battery, the lower shell 2, the upper shell 15 and the cover plate A4 are all made of stainless steel materials. The safe intelligent controller 5 is fixed in the upper chamber through the bi-component silicon rubber, and the rubber has good fluidity and can be rapidly and uniformly filled in the upper chamber. Alternatively, a single component silicone rubber may be used to fill the upper chamber.
In order to reduce the weight of the battery and improve the specific energy of the battery, the positive plate 12 on the cover plate A4 is made of aluminum alloy. The cover plate B7 was a 0.5mm thick laminated plate or a stainless steel plate.
Claims (10)
1. An integrated lithium ion battery, characterized in that: including inclosed electrically conductive battery case, be equipped with apron A (4) in the battery case, apron A (4) separate inclosed upper chamber and lower chamber with battery case's inner space, the indoor safe intelligent control ware (5) with battery case electric connection that is equipped with of upper chamber, it has fixative (6) to fill around safe intelligent control ware (5) indoor in the upper chamber, be equipped with the electric core group in the lower chamber, be equipped with negative pole mass flow strip (3) and anodal mass flow strip (11) on the electric core group, negative pole mass flow strip (3) and battery case electric connection, anodal mass flow strip (11) and safe intelligent control ware (5) electric connection.
2. The integrated lithium ion battery of claim 1, wherein: the integrated lithium ion battery also comprises a connector (9), and the connector (9) is electrically connected with the safe intelligent controller (5) in the battery shell through a lead.
3. The integrated lithium ion battery of claim 1, wherein: the outer surface of the battery case is coated with an insulating film (16).
4. The integrated lithium ion battery of claim 1, wherein: the battery shell comprises a lower shell (2), an upper shell (15) and a cover plate B (7), wherein the cover plate A (4) covers the lower shell (2), the upper shell (15) is welded on the lower shell (2), the cover plate B (7) is arranged at the top end of the upper shell (15), and a lead hole (14) is formed in the cover plate B (7).
5. The integrated lithium ion battery of claim 1, wherein: and the safe intelligent controller (5) is a lithium battery charging management chip.
6. The integrated lithium ion battery of claim 1 or 5, wherein: the outer surface of the safe intelligent controller (5) is coated with polyimide adhesive tape.
7. The integrated lithium ion battery of claim 1, wherein: the fixative (6) fills the entire upper chamber.
8. The integrated lithium ion battery of claim 1 or 7, wherein: the fixing agent (6) is silicon rubber.
9. The integrated lithium ion battery of claim 1, wherein: the electric core group comprises a plurality of electric cores (1) which are connected in parallel, and the outer surface of the electric core group is coated with an insulating diaphragm.
10. The integrated lithium ion battery of claim 1, wherein: the cover plate A (4) is provided with a positive plate (12) insulated from the cover plate A, the lower side of the positive plate (12) is connected with a positive collector bar (11) through a positive connecting bar (10), and the upper side of the positive plate is electrically connected with the safe intelligent controller (5); a liquid injection port (13) is formed in the cover plate A (4), and a sealing steel ball is arranged in the liquid injection port (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646004.1U CN210468023U (en) | 2019-09-29 | 2019-09-29 | Integrated lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646004.1U CN210468023U (en) | 2019-09-29 | 2019-09-29 | Integrated lithium ion battery |
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| Publication Number | Publication Date |
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| CN210468023U true CN210468023U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921646004.1U Active CN210468023U (en) | 2019-09-29 | 2019-09-29 | Integrated lithium ion battery |
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| CN (1) | CN210468023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117352861A (en) * | 2023-11-03 | 2024-01-05 | 惠州市前景新能源有限公司 | Preparation method of electric control type rechargeable battery |
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2019
- 2019-09-29 CN CN201921646004.1U patent/CN210468023U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117352861A (en) * | 2023-11-03 | 2024-01-05 | 惠州市前景新能源有限公司 | Preparation method of electric control type rechargeable battery |
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