CN110571387A - Integrated battery module - Google Patents
Integrated battery module Download PDFInfo
- Publication number
- CN110571387A CN110571387A CN201910967213.4A CN201910967213A CN110571387A CN 110571387 A CN110571387 A CN 110571387A CN 201910967213 A CN201910967213 A CN 201910967213A CN 110571387 A CN110571387 A CN 110571387A
- Authority
- CN
- China
- Prior art keywords
- battery module
- main body
- sealing cover
- integrated battery
- lower main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000003466 welding Methods 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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 an integrated battery module, which comprises a lower main body, a sealing cover and at least two (including more than two) independent electrochemical units, wherein the lower main body is provided with a sealing cover; the novel high-voltage resistor is characterized in that a plurality of non-communicated insulating cavities are arranged in the lower main body, a conducting bar is arranged between the insulating cavities, a quick heat conducting device is arranged at the bottom of the lower main body (1), positive and negative pole leading-out devices are arranged on two sides of the resistor module, a liquid injection hole and an explosion-proof valve are arranged on the sealing cover body, a fixing groove is formed in the sealing cover and the opening of the lower main body, electrochemical units are arranged in the insulating cavities respectively, the configuration of large capacity and high voltage of the module is realized, the space of the module is fully utilized, the production process is simplified, the energy density is improved, and.
Description
Technical Field
The invention relates to the technical field of battery modules, in particular to an integrated battery module.
Background
The lithium ion power battery is widely applied to the field of new energy pure electric vehicles and hybrid new energy vehicles, and with the maturity of the technology, the subsidy requirements, the simplification of the process and the market requirements, new requirements are provided for the manufacturing cost, the energy density, the service life, the heat dissipation efficiency and the protection level of the lithium battery. The manufacturing cost, energy density and other problems of the lithium battery seriously affect the requirements of customers on the lithium battery system, and a battery module for realizing the high-capacity and high-voltage configuration of the module is urgently needed.
Disclosure of Invention
The invention provides an integrated battery module, which fully utilizes the space of the module, simplifies the production process, improves the energy density and reduces the manufacturing cost.
In order to achieve the above object, the present invention provides an integrated battery module, which includes a lower body, a sealing cover, at least two (including) independent electrochemical cells; the novel electrochemical cell is characterized in that a plurality of non-communicated insulating cavities are formed in one end of the lower main body, a conductive bar is arranged between the insulating cavities, a quick heat conduction device is arranged at the bottom of the lower main body, positive and negative pole leading-out devices are arranged on two sides of the resistor module, a liquid injection hole and an explosion-proof valve are arranged on the sealing cover body, fixing grooves are formed in the openings of the sealing cover and the lower main body, and the electrochemical cell is arranged in the insulating cavities respectively.
According to one embodiment of the invention, the lower body is divided by a partition into a plurality of non-communicating insulating cavities, and the insulating cavities are integrally formed.
According to one embodiment of the invention, a positive tab and a negative tab are arranged on two sides of the electrochemical unit, and the positive tab and the negative tab are respectively and fixedly connected with the conducting bar.
According to one embodiment of the invention, the conductive bar is provided with a voltage acquisition device and a temperature sensor device, and the voltage acquisition device and the temperature sensor device are electrically connected with the battery management system.
According to one embodiment of the invention, the sealing cover area corresponding to the insulating cavity is provided with 1 to 5 injection holes and 1 to 5 explosion-proof valves.
According to one embodiment of the invention, the lower body is sealingly fixed with the sealing cover.
According to one embodiment of the invention, the bottom of the lower body can be provided with a heat conducting material, and the heat conducting material comprises an aluminum plate, a copper plate and heat conducting ceramic.
According to one embodiment of the invention, positive and negative electrode interfaces are led out from the outer wall of the lower main body, and positive and negative electrodes led out from the positive and negative electrode interfaces are sealed and fixed.
The invention has the beneficial effects that: the module has the advantages of realizing the configuration of large capacity and high voltage of the module, fully utilizing the space of the module, simplifying the production process, improving the energy density and reducing the manufacturing cost.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of the integrated battery module disclosed in the embodiment of the present invention.
In the figure: 1-a lower body; 2-a conductive bar; 3-sealing the cover; 4-an explosion-proof valve; 5-liquid injection hole; 6-a separate electrochemical cell; 7-leading out row.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
Specifically, as shown in fig. 1, two (including) independent electrochemical units are respectively disposed in independent insulating cavities, and serial and parallel connection between the electrochemical units is realized through a conductive bar penetrating through a wall, so as to realize technical application of configuration of module with large capacity and high voltage.
The invention discloses an integrated battery module, which consists of a lower main body, a sealing cover and independent electrochemical units, wherein the lower main body is provided with a sealing cover; the resistor module is characterized in that one end of the lower main body is opened, a plurality of non-communicated insulating cavities are arranged in the lower main body, conductive bars are arranged among the cavities, the bottom of the lower main body is provided with a rapid heat conduction device, positive and negative pole leading-out devices are arranged on two sides of the resistor module, the sealing cover is provided with a liquid injection hole and an explosion-proof mechanism, and fixing grooves are formed in the sealing cover and the opening of the lower main body and used for reliable sealing; the battery module is characterized in that more than two (including) independent electrochemical units are respectively arranged in independent insulating cavities, and series-parallel connection among the electrochemical units is realized through a wall-penetrating conducting bar, so that the configuration of high capacity and high voltage of the module is realized.
The lower main body is divided into a plurality of non-communicated insulating cavities by partition plates, and the cavities are integrally formed.
One or more protective layers with water molecule barrier are arranged on the inner surface or the outer surface of the lower main body and the sealing cover.
The two sides of the independent electrochemical unit are provided with the positive electrode lug, the negative electrode lug and the conductive bar between the cavities, the connection mode comprises laser welding, ultrasonic welding, electromagnetic welding and bolt fixing, and the conductive bar comprises a copper-aluminum composite plate, a copper plate, an aluminum plate and a nickel plate.
The conductive bar between the cavities is provided with a voltage acquisition and temperature sensor device which is connected with the BMS.
A plurality of non-communicating insulating cavities share one or more sealed upper covers, and the sealed lid region that each cavity corresponds is equipped with 1 to 5 and annotates liquid hole and 1 to 5 explosion-proof mechanisms.
The lower main body is fixed with the sealing cover in a sealing mode, and the using equipment comprises laser welding, ultrasonic welding and hot plate welding modes.
The bottom of the lower body may or may not have a thermally conductive material, such as aluminum, copper, and thermally conductive ceramics.
The outer wall of the lower main body needs to be led out of positive and negative electrode interfaces, and the led-out positive and negative electrodes are sealed and fixed by using injection molding and gluing processes.
The utility model provides an integrated battery module is arranged in independent insulating cavity respectively by two (contain) above independent electrochemistry units, realizes the series-parallel connection between the electrochemistry unit through the electrically conductive row 2 of wearing the wall, realizes the configuration of module large capacity and high voltage, and the space of make full use of module has simplified production processes, has improved energy density, has reduced the cost of manufacture.
Therefore, the integrated battery module is utilized, the space of the module is fully utilized, the production process is simplified, the energy density is improved, and the manufacturing cost is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The integrated battery module is characterized by comprising a lower main body (1), a sealing cover (3) and at least two (including more than two) independent electrochemical units (6); the novel high-voltage fuse is characterized in that a plurality of non-communicated insulating cavities are arranged in the lower main body (1) and provided with an opening at one end, a conducting bar (2) is arranged between the insulating cavities, a quick heat conducting device is arranged at the bottom of the lower main body (1), positive and negative electrode leading-out devices are arranged on two sides of the resistor module, a liquid injection hole (5) and an explosion-proof valve (4) are arranged on the body of the sealing cover (3), fixing grooves are formed in the openings of the sealing cover (3) and the lower main body (1), and electrochemical units (6) are arranged in the insulating cavities.
2. The integrated battery module according to claim 1, wherein the lower body (1) is divided by a partition into a plurality of insulating cavities that are not communicated with each other, and the insulating cavities are integrally formed.
3. The integrated battery module according to claim 1, wherein the lower body (1) and the sealing cover (3) are provided at inner or outer surfaces thereof with one or more protective layers blocking water molecules.
4. The integrated battery module according to claim 1, wherein the electrochemical unit (6) is provided with a positive tab and a negative tab on two sides, and the positive tab and the negative tab are respectively and fixedly connected with the conductive bar (2).
5. The integrated battery module as claimed in claim 4, wherein the conductive bar (2) is provided with a voltage acquisition device and a temperature sensor device, and the voltage acquisition device and the temperature sensor device are electrically connected with a battery management system.
6. The integrated battery module as set forth in claim 1, wherein the sealing cover (3) region corresponding to the insulating cavity is provided with 1 to 5 injection holes (5) and 1 to 5 explosion-proof valves (4).
7. The integrated battery module according to claim 1, wherein the lower body (1) is hermetically fixed to the sealing cover (3).
8. The integrated battery module according to claim 1, wherein the bottom of the lower body (1) is provided with a heat conductive material, and the heat conductive material comprises an aluminum plate, a copper plate and a heat conductive ceramic.
9. The integrated battery module according to claim 1, wherein positive and negative electrode connectors are led out from the outer wall of the lower main body (1), and positive and negative electrodes led out from the positive and negative electrode connectors are sealed and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967213.4A CN110571387A (en) | 2019-10-12 | 2019-10-12 | Integrated battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967213.4A CN110571387A (en) | 2019-10-12 | 2019-10-12 | Integrated battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110571387A true CN110571387A (en) | 2019-12-13 |
Family
ID=68784621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910967213.4A Pending CN110571387A (en) | 2019-10-12 | 2019-10-12 | Integrated battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110571387A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140851A (en) * | 2021-03-23 | 2021-07-20 | 荣盛盟固利新能源科技有限公司 | Lithium ion battery module |
| CN115692813A (en) * | 2022-11-04 | 2023-02-03 | 北京朔景新能源科技有限公司 | Fuel cell stack and fuel cell system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576171A (en) * | 2016-03-22 | 2016-05-11 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN108511660A (en) * | 2017-02-28 | 2018-09-07 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN209312827U (en) * | 2018-11-22 | 2019-08-27 | 中信国安盟固利动力科技有限公司 | A kind of battery modules improving expansion |
| CN210349937U (en) * | 2019-10-12 | 2020-04-17 | 荣盛盟固利新能源科技有限公司 | Integrated battery module |
-
2019
- 2019-10-12 CN CN201910967213.4A patent/CN110571387A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576171A (en) * | 2016-03-22 | 2016-05-11 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN108511660A (en) * | 2017-02-28 | 2018-09-07 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN209312827U (en) * | 2018-11-22 | 2019-08-27 | 中信国安盟固利动力科技有限公司 | A kind of battery modules improving expansion |
| CN210349937U (en) * | 2019-10-12 | 2020-04-17 | 荣盛盟固利新能源科技有限公司 | Integrated battery module |
Non-Patent Citations (1)
| Title |
|---|
| 魏莹等: "《动力电池管理与维护技术》", 江苏大学出版社, pages: 145 - 151 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140851A (en) * | 2021-03-23 | 2021-07-20 | 荣盛盟固利新能源科技有限公司 | Lithium ion battery module |
| CN115692813A (en) * | 2022-11-04 | 2023-02-03 | 北京朔景新能源科技有限公司 | Fuel cell stack and fuel cell system |
| CN115692813B (en) * | 2022-11-04 | 2023-07-04 | 北京朔景新能源科技有限公司 | Fuel cell stack and fuel cell system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |