CN113921947A - Square cell battery module integrated with water cooling plate - Google Patents

Square cell battery module integrated with water cooling plate Download PDF

Info

Publication number
CN113921947A
CN113921947A CN202111178617.9A CN202111178617A CN113921947A CN 113921947 A CN113921947 A CN 113921947A CN 202111178617 A CN202111178617 A CN 202111178617A CN 113921947 A CN113921947 A CN 113921947A
Authority
CN
China
Prior art keywords
battery module
square
cooling plate
water
integrated
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
Application number
CN202111178617.9A
Other languages
Chinese (zh)
Inventor
朱海洋
刘舒龙
秦李伟
于泽
刘涛
陈康伟
洪健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jianghuai Automobile Group Corp
Original Assignee
Anhui Jianghuai Automobile Group Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Jianghuai Automobile Group Corp filed Critical Anhui Jianghuai Automobile Group Corp
Priority to CN202111178617.9A priority Critical patent/CN113921947A/en
Publication of CN113921947A publication Critical patent/CN113921947A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6554Rods or plates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a square cell battery module integrated with a water cooling plate. With the inside of water-cooling board integration to battery module, can promote battery package thermal management performance and electric core life, improve the energy density of battery package simultaneously. Under the condition that the size of the battery module is determined, the invention provides that the square single battery cells in the module are fixed on the water cooling plate, so that more single battery cells can be arranged under the condition that the space size of the module is determined, and meanwhile, the water cooling plate is integrated with the module and can be used as a heat management part and a structural part to fix the square single battery cells.

Description

Square cell battery module integrated with water cooling plate
Technical Field
The invention relates to the field of new energy automobiles, in particular to a square-cell battery module integrated with a water cooling plate.
Background
The popularization of automobiles gradually promotes the high-speed development of human socioeconomic and modern civilization, and simultaneously brings about severe energy and environmental problems, and energy conservation and environmental protection become one of the subjects of automobile technical development. With the development of domestic market in recent years, people have higher and higher requirements on the safety performance, energy density, endurance mileage and service life of electric automobiles, and various automobile manufacturers are also researching and developing with great interest in meeting the important indexes so as to take the market high point and promote the development process of electric automobiles.
At present, the battery package of new energy automobile adopts generous shape electricity core to be in groups mostly, and the water-cooling board in this battery package all arranges in the module bottom, and is in the detached state with the module in the module bottom, has influenced whole package thermal management performance and electric core life, has also reduced battery package energy density simultaneously.
Disclosure of Invention
In view of the above, the present invention provides a square cell battery module integrated with a water cooling plate, so as to solve the problems that the thermal management performance of the whole square cell module package is poor, the service life of a cell is affected, and the energy density of the battery package is low.
The technical scheme adopted by the invention is as follows:
the utility model provides a square electricity core battery module of integrated water-cooling board, includes wherein:
two rows of battery packs formed by arranging a plurality of square single battery cells, and a water cooling plate is fixedly connected between the two rows of battery packs;
and a heat conducting pad is arranged between the water cooling plate and the adjacent battery pack.
In at least one possible implementation manner, a zigzag partition plate is arranged between the single battery cells of each row of the battery pack.
In at least one possible implementation manner, the battery module further includes: and the aluminum end plates are positioned at two ends of the whole battery module.
In at least one possible implementation manner, a through hole is formed in the middle of the aluminum end plate, and the through hole corresponds to the pipeline joint on the end face of the water cooling plate.
In at least one possible implementation manner, insulating paper is arranged between the aluminum end plate and the adjacent single battery cell.
In at least one possible implementation manner, the battery module further includes: aluminum side plates located on two sides of the whole battery module.
In at least one possible implementation manner, insulating paper is arranged between the aluminum side plate and the adjacent row of battery packs.
In at least one possible implementation, a busbar is connected to each of the two rows of battery packs.
In at least one possible implementation manner, the material of the bus bar is aluminum.
In at least one possible implementation, an insulating hollow plate is connected above the busbar.
The main design concept of the invention is that the battery pack comprises two rows of battery packs formed by arranging a plurality of square single battery cells, a water cooling plate is fixedly connected between the two rows of battery packs, and a heat conducting pad is arranged between the water cooling plate and the adjacent battery pack. With the inside of water-cooling board integration to battery module, can promote battery package thermal management performance and electric core life, improve the energy density of battery package simultaneously. Under the condition that the size of the battery module is determined, the invention provides that the square single battery cells in the module are fixed on the water cooling plate, so that more single battery cells can be arranged under the condition that the space size of the module is determined, and meanwhile, the water cooling plate is integrated with the module and can be used as a heat management part and a structural part to fix the square single battery cells.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of an overall structure of a square-cell battery module integrated with a water cooling plate according to an embodiment of the present invention;
fig. 2 is an exploded view of a square-cell battery module integrated with a water cooling plate according to an embodiment of the present invention;
fig. 3 is an internal side view explosion structure diagram of the square-cell battery module integrated with the water cooling plate according to the embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The invention provides an embodiment of a square-cell battery module integrated with a water cooling plate, which is specifically shown in fig. 1 to 3 and comprises the following components: two rows of battery packs 10 formed by arranging a plurality of square single battery cells 1 (in practical implementation, a large square 150Ah single battery cell can be adopted but is not limited), and a water cooling plate 2 is fixedly connected between the two rows of battery packs 10; a heat conductive pad 102 is provided between the water-cooled plate 2 and the adjacent battery pack 10.
Further, a square-shaped partition plate 3 is arranged between the single battery cells 1 of each row of the battery pack 10.
Further, the battery module still includes: and aluminum end plates 4 located at both ends of the entire battery module.
Furthermore, a through hole is formed in the middle of the aluminum end plate 4, and the through hole corresponds to a pipeline joint on the end face of the water cooling plate 2.
Further, an insulating paper 41 is provided between the aluminum end plate 4 and the adjacent unit cell 1.
Further, the battery module still includes: and aluminum side plates 5 positioned at both sides of the entire battery module.
Further, an insulating paper 105 is provided between the aluminum side plate 5 and the adjacent row of battery packs 10.
Further, a plurality of bus bars 6 are connected to the upper sides of the two rows of the battery packs 10, respectively.
Further, the material of the bus bar 6 is aluminum.
Further, an insulating hollow plate 7 is connected above the bus bar 6.
In summary, the main design concept of the present invention is that the battery pack includes two rows of battery packs formed by arranging a plurality of square single battery cells, a water cooling plate is fixedly connected between the two rows of battery packs, and a heat conducting pad is disposed between the water cooling plate and the adjacent battery pack. With the inside of water-cooling board integration to battery module, can promote battery package thermal management performance and electric core life, improve the energy density of battery package simultaneously. Under the condition that the size of the battery module is determined, the invention provides that the square single battery cells in the module are fixed on the water cooling plate, so that more single battery cells can be arranged under the condition that the space size of the module is determined, and meanwhile, the water cooling plate is integrated with the module and can be used as a heat management part and a structural part to fix the square single battery cells.
In the embodiments of the present invention, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, and means that there may be three relationships, for example, a and/or B, and may mean that a exists alone, a and B exist simultaneously, and B exists alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" and similar expressions refer to any combination of these items, including any combination of singular or plural items. For example, at least one of a, b, and c may represent: a, b, c, a and b, a and c, b and c or a and b and c, wherein a, b and c can be single or multiple.
The structure, features and effects of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the above embodiments are merely preferred embodiments of the present invention, and it should be understood that technical features related to the above embodiments and preferred modes thereof can be reasonably combined and configured into various equivalent schemes by those skilled in the art without departing from and changing the design idea and technical effects of the present invention; therefore, the invention is not limited to the embodiments shown in the drawings, and all the modifications and equivalent embodiments that can be made according to the idea of the invention are within the scope of the invention as long as they are not beyond the spirit of the description and the drawings.

Claims (10)

1. The utility model provides a square electric core battery module of integrated water-cooling board which characterized in that includes: two rows of battery packs formed by arranging a plurality of square single battery cells, and a water cooling plate is fixedly connected between the two rows of battery packs;
and a heat conducting pad is arranged between the water cooling plate and the adjacent battery pack.
2. The water-cooled plate integrated square-cell battery module as recited in claim 1, wherein a square-shaped partition is provided between the individual cells of each row of the battery pack.
3. The square-cell battery module integrated with a water-cooling plate of claim 1, wherein the battery module further comprises: and the aluminum end plates are positioned at two ends of the whole battery module.
4. The square-cell battery module integrated with the water cooling plate of claim 3, wherein a through hole is formed in the middle of the aluminum end plate, and the through hole corresponds to a pipeline joint on the end surface of the water cooling plate.
5. The water-cooled plate integrated square-cell battery module as recited in claim 3, wherein insulating paper is disposed between the aluminum end plate and the adjacent individual cells.
6. The square-cell battery module integrated with a water-cooling plate of claim 1, wherein the battery module further comprises: aluminum side plates located on two sides of the whole battery module.
7. The square-cell battery module integrated with a water cooling plate of claim 6, wherein an insulating paper is arranged between the aluminum side plate and the adjacent row of battery packs.
8. The square-cell battery module integrated with the water cooling plate as recited in any one of claims 1 to 7, wherein busbars are connected to the upper sides of the two rows of the battery packs respectively.
9. The square-cell battery module integrated with a water-cooling plate of claim 8, wherein the bus bar is made of aluminum.
10. The water-cooled plate integrated square-cell battery module as recited in claim 8, wherein an insulating hollow plate is attached above the busbar.
CN202111178617.9A 2021-10-10 2021-10-10 Square cell battery module integrated with water cooling plate Pending CN113921947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111178617.9A CN113921947A (en) 2021-10-10 2021-10-10 Square cell battery module integrated with water cooling plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111178617.9A CN113921947A (en) 2021-10-10 2021-10-10 Square cell battery module integrated with water cooling plate

Publications (1)

Publication Number Publication Date
CN113921947A true CN113921947A (en) 2022-01-11

Family

ID=79238844

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111178617.9A Pending CN113921947A (en) 2021-10-10 2021-10-10 Square cell battery module integrated with water cooling plate

Country Status (1)

Country Link
CN (1) CN113921947A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018059143A1 (en) * 2016-09-29 2018-04-05 蔚来汽车有限公司 Battery module and new energy vehicle
CN207719276U (en) * 2017-12-11 2018-08-10 深圳市沃特玛电池有限公司 A kind of battery pack temperature uniforming heat radiation structure
CN110048184A (en) * 2019-03-25 2019-07-23 力神动力电池系统有限公司 A kind of rectangular cell water-cooled module for electric vehicle
CN209880757U (en) * 2019-03-25 2019-12-31 力神动力电池系统有限公司 Square battery water-cooling module for electric automobile
CN211719668U (en) * 2020-04-27 2020-10-20 蜂巢能源科技有限公司 Battery module fixed through water cooling plate and power battery pack thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018059143A1 (en) * 2016-09-29 2018-04-05 蔚来汽车有限公司 Battery module and new energy vehicle
CN207719276U (en) * 2017-12-11 2018-08-10 深圳市沃特玛电池有限公司 A kind of battery pack temperature uniforming heat radiation structure
CN110048184A (en) * 2019-03-25 2019-07-23 力神动力电池系统有限公司 A kind of rectangular cell water-cooled module for electric vehicle
CN209880757U (en) * 2019-03-25 2019-12-31 力神动力电池系统有限公司 Square battery water-cooling module for electric automobile
CN211719668U (en) * 2020-04-27 2020-10-20 蜂巢能源科技有限公司 Battery module fixed through water cooling plate and power battery pack thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
贺林等: "《动力电池》", 31 May 2021, 机械工业出版社, pages: 110 - 111 *

Similar Documents

Publication Publication Date Title
CN108232363B (en) Liquid cooling power battery module and automobile power battery pack
CN115803948A (en) Battery module and vehicle
WO2001075989A3 (en) Extended life battery pack with active cooling
CN215644661U (en) Battery module and battery pack
CN209418623U (en) A kind of battery modules
WO2022152154A1 (en) Prismatic long battery pack, battery module, and electric vehicle
CN213692186U (en) Crossbeam formula battery module, power battery and vehicle
CN112909401A (en) Battery module and battery pack
CN215731966U (en) Battery module and battery pack
CN211719668U (en) Battery module fixed through water cooling plate and power battery pack thereof
CN210167397U (en) Electric motorcycle and battery pack thereof
CN113921947A (en) Square cell battery module integrated with water cooling plate
CN216624395U (en) Battery module
CN218160559U (en) Battery module and battery pack
CN210182438U (en) Air-cooled battery module
US11664524B2 (en) Battery module and battery pack
CN210805858U (en) Large battery cell module unit integrally provided with water cooling plate and power battery pack thereof
CN218783174U (en) Battery pack
CN218351662U (en) Laminated busbar connection structure and battery pack
CN220627996U (en) Lithium battery module
CN221162259U (en) Dual-system battery module, battery system and electric automobile
CN220585408U (en) Battery module mounting structure and battery module
CN218300174U (en) Battery pack
CN219144358U (en) Battery pack
CN217641629U (en) High-energy density battery pack

Legal Events

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