TW201911639A - Battery assembly and traction battery - Google Patents
Battery assembly and traction battery Download PDFInfo
- Publication number
- TW201911639A TW201911639A TW107125951A TW107125951A TW201911639A TW 201911639 A TW201911639 A TW 201911639A TW 107125951 A TW107125951 A TW 107125951A TW 107125951 A TW107125951 A TW 107125951A TW 201911639 A TW201911639 A TW 201911639A
- Authority
- TW
- Taiwan
- Prior art keywords
- battery
- side wall
- unit
- cooling
- cooling unit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
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
Description
本發明涉及動力電池領域，更具體地，本發明涉及具有改善的冷卻系統的電池組件和動力電池。This invention relates to the field of power batteries and, more particularly, to battery assemblies and power batteries having improved cooling systems.
高密度動力電池不斷應用於新能源電動汽車中，同時對電池冷卻系統也提出了更高的要求。在目前電池冷卻方案設計中，大多集中在模組級別的電池冷卻方案，同時大多採用冷卻板/冷卻管方式，冷卻液體與電池間接接觸，電池與冷媒之間存在較大的熱阻致使冷卻效率不能達到最佳，同時會有冷卻板/冷卻管破裂引發冷卻液流出風險，電池動力系統安全係數降低。High-density power batteries are constantly being used in new-energy electric vehicles, and higher requirements are placed on battery cooling systems. In the current battery cooling scheme design, most of them focus on the module-level battery cooling scheme, and most of them use the cooling plate/cooling tube method. The cooling liquid is in indirect contact with the battery, and there is a large thermal resistance between the battery and the refrigerant to cause cooling efficiency. The best is not achieved, and there is a risk that the cooling plate/cooling tube will rupture and the coolant will flow out, and the safety factor of the battery power system will be reduced.
此外，現有技術方案中，液冷系統和電池模組為根據具體需求設計加工，其設計針對某一固定電池包結構，結構尺寸固定不變，當電池模組或電池包結構發生變化時，冷卻系統需要重新設計加工，需要重新開模製造，產品可攜性較差，加工成本較高。In addition, in the prior art solution, the liquid cooling system and the battery module are designed and processed according to specific requirements, and the design is directed to a fixed battery pack structure, the structure size is fixed, and when the battery module or the battery pack structure changes, the cooling is performed. The system needs to be redesigned and processed, and it needs to be re-opened, the product is less portable and the processing cost is higher.
本發明的目的在於解決或至少緩解現有技術中所存在的問題。It is an object of the present invention to solve or at least alleviate the problems in the prior art.
本發明的目的在於簡化電池冷卻系統，改善冷卻效率並提高冷卻系統安全性。It is an object of the present invention to simplify battery cooling systems, improve cooling efficiency and increase the safety of the cooling system.
本發明的目的在於簡化電池單元與冷卻系統的組裝。It is an object of the invention to simplify the assembly of a battery unit with a cooling system.
根據本發明的一方面，提供了一種電池組件，包括： 冷卻單元，所述冷卻單元具有殼體，所述冷卻單元殼體內部限定電池單元容腔，所述電池單元容腔與所述冷卻單元的流體入口和流體出口連通，所述冷卻單元殼體還限定通至所述電池單元容腔的插口；以及 電池單元，所述電池單元通過所述插口密封地配合至所述電池單元容腔中並填補所述插口，使得所述電池單元容腔封閉，而冷卻流體在通過所述電池單元容腔時不會洩漏，並且所述電池單元的電極側位於所述冷卻單元殼體外。According to an aspect of the present invention, a battery assembly includes: a cooling unit having a housing, the cooling unit housing internally defining a battery unit cavity, the battery unit cavity and the cooling unit a fluid inlet in communication with the fluid outlet, the cooling unit housing further defining a socket leading to the battery unit cavity; and a battery unit through which the battery unit is sealingly fitted into the battery unit cavity And filling the socket such that the battery cell cavity is closed, and the cooling fluid does not leak when passing through the battery cell cavity, and the electrode side of the battery cell is located outside the cooling unit housing.
可選地，在上述電池組件中，所述冷卻單元殼體的內壁上或所述電池單元的外殼上具有多條筋，所述多條筋引導流體沿所述多條筋限定的方向流過所述電池單元的外殼。Optionally, in the above battery assembly, the inner wall of the cooling unit housing or the outer casing of the battery unit has a plurality of ribs, and the plurality of ribs guide fluid to flow in a direction defined by the plurality of ribs Passing through the outer casing of the battery unit.
可選地，在上述電池組件中，所述電池單元呈立方體，所述電池單元具有在電極側處的正極柱和負極柱。Alternatively, in the above battery assembly, the battery unit is in the form of a cube, and the battery unit has a positive electrode column and a negative electrode column at the electrode side.
可選地，在上述電池組件中，所述冷卻單元的電池單元容腔呈立方體，所述電池單元容腔包括相對的第一側壁和第二側壁，所述流體入口和所述流體出口分別設置在第一側壁和第二側壁上，所述電池單元容腔還包括第一側壁和第二側壁之間的相對的第三側壁和第四側壁以及底壁。Optionally, in the above battery assembly, the battery unit cavity of the cooling unit is a cube, the battery unit cavity includes opposing first and second side walls, and the fluid inlet and the fluid outlet are respectively disposed The battery cell cavity further includes opposing third and fourth side walls and a bottom wall between the first side wall and the second side wall on the first side wall and the second side wall.
可選地，在上述電池組件中，所述第一側壁和第二側壁限定從流體入口或流體出口發散的多條筋。Optionally, in the above battery assembly, the first side wall and the second side wall define a plurality of ribs diverging from the fluid inlet or the fluid outlet.
可選地，在上述電池組件中，所述第三側壁，第四側壁以及底壁限定在所述第一側壁和所述第二側壁之間延伸的多條平行的筋。Optionally, in the above battery assembly, the third side wall, the fourth side wall and the bottom wall define a plurality of parallel ribs extending between the first side wall and the second side wall.
可選地，在上述電池組件中，所述第三側壁，第四側壁以及底壁限定迂回的筋，以限定迂回的流體路徑。Optionally, in the above battery assembly, the third side wall, the fourth side wall and the bottom wall define a rounded rib to define a meandering fluid path.
可選地，在上述電池組件中，所述冷卻單元殼體的內壁或所述電池單元的外殼在所述插口附近設置有圍繞所述插口的密封件。Alternatively, in the above battery assembly, the inner wall of the cooling unit casing or the outer casing of the battery unit is provided with a seal around the socket near the socket.
可選地，在上述電池組件中，所述冷卻單元殼體和電池單元在所述插口附近還通過焊接或黏合劑進行第二重密封。Optionally, in the above battery assembly, the cooling unit housing and the battery unit are further subjected to a second resealing by welding or an adhesive in the vicinity of the socket.
可選地，在上述電池組件中，所述冷卻單元殼體限定多個電池單元的容腔，所述冷卻單元殼體還限定通至所述多個電池單元容腔的多個插口，多個電池單元通過所述多個插口密封地配合在所述多個電池單元容腔中，並且每個電池單元的電極側位於所述冷卻單元殼體外同一側處。Optionally, in the above battery assembly, the cooling unit housing defines a cavity of the plurality of battery cells, the cooling unit housing further defining a plurality of sockets to the plurality of battery cell cavities, the plurality of A battery unit is sealingly fitted in the plurality of battery cell cavities through the plurality of sockets, and an electrode side of each of the battery cells is located at a same side of the cooling unit housing.
可選地，在上述電池組件中，所述多個電池單元容腔並聯或串聯在流體路徑上。Optionally, in the above battery assembly, the plurality of battery cell cavities are connected in parallel or in series on the fluid path.
根據另一方面，提供了一種動力電池，該動力電池包括根據各個實施例所述的電池組件。According to another aspect, a power battery is provided that includes a battery assembly in accordance with various embodiments.
容易理解，根據本發明的技術方案，在不變更本發明實質精神下，本領域的一般技術人員可以提出可相互替換的多種結構方式以及實現方式。因此，以下具體實施方式以及圖式僅是對本發明的技術方案的示例性說明，而不應當視為本發明的全部或者視為對本發明技術方案的限定或限制。It will be readily understood that, in accordance with the technical aspects of the present invention, those skilled in the art can devise various alternative embodiments and implementations. Therefore, the following detailed description and the drawings are merely illustrative of the embodiments of the invention, and are not intended to
在本說明書中提到或者可能提到的上、下、左、右、前、後、正面、背面、頂部、底部等方位用語是相對於各圖式中所示的構造進行定義的，它們是相對的概念，因此有可能會根據其所處不同位置、不同使用狀態而進行相應地變化。所以，也不應當將這些或者其他的方位用語解釋為限制性用語。The orientations of the top, bottom, left, right, front, back, front, back, top, bottom, etc. mentioned or possibly mentioned in this specification are defined with respect to the configurations shown in the respective drawings, they are Relative concepts, so it is possible to change accordingly according to their different locations and different usage states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.
首先參考圖1和圖2，其分別示出了根據本發明的一個實施例的電池組件的組裝視圖和分解視圖。電池組件包括冷卻單元1，冷卻單元1具有冷卻單元殼體19，冷卻單元殼體19內部限定電池單元容腔，電池單元容腔與流體入口11和流體出口12連通。此外，冷卻單元殼體19還限定通至電池單元容腔的插口13。電池組件還包括電池單元2，電池單元2通過插口13密封地配合入電池單元容腔中並填補插口13，使得電池單元容腔封閉，且其中的冷卻流體不會洩漏，並且電池單元2的電極側25並位於殼體外。通過這樣的佈置，冷卻流體可從流體入口11進入冷卻單元1的電池單元容腔，並從冷卻單元殼體19的內壁與電池單元的外殼24之間通過，最後從流體出口12流出。由此，冷卻流體可直接與電池單元的外殼24接觸，顯著改善了冷卻效率，同時，通過插口13可容易且方便地安裝電池單元2。Referring first to Figures 1 and 2, there are shown assembled and exploded views, respectively, of a battery assembly in accordance with one embodiment of the present invention. The battery assembly includes a cooling unit 1 having a cooling unit housing 19 that internally defines a battery unit cavity that communicates with the fluid inlet 11 and the fluid outlet 12. In addition, the cooling unit housing 19 also defines a socket 13 that leads to the battery unit cavity. The battery assembly further includes a battery unit 2 that is sealingly fitted into the battery unit cavity through the socket 13 and fills the socket 13 so that the battery unit cavity is closed, and the cooling fluid therein does not leak, and the electrode of the battery unit 2 Side 25 is located outside of the housing. With such an arrangement, the cooling fluid can enter the battery cell cavity of the cooling unit 1 from the fluid inlet 11 and pass between the inner wall of the cooling unit housing 19 and the outer casing 24 of the battery unit, and finally from the fluid outlet 12. Thereby, the cooling fluid can be directly in contact with the outer casing 24 of the battery unit, the cooling efficiency is remarkably improved, and at the same time, the battery unit 2 can be easily and conveniently mounted through the socket 13.
儘管電池單元2可具有任何適合的形狀，但在圖示的實施例中，電池單元可呈立方體，更具體地，可呈片狀。另外，在一些實施例中，電池單元2的電極側25處於頂部，並且電池單元2具有在電極側25處的正極柱21和負極柱22。當然，電池單元2還可具有在電極側25處的其他形式的電極。作為電池單元2而言，其外殼24可由塑膠材料製成，備選地，電池單元2的外殼24也可由熱傳導更佳的金屬材料製成，如鋁基合金。在電池單元2的外殼24的接近電極側的位置，電池單元2可具有密封件23，如密封條，密封件23協助電池單元2密封地配合至冷卻單元1的電池單元容腔中，並防止冷卻流體從電池單元容腔洩漏。為了保證密封性，除了密封件23外，冷卻單元殼體19和電池單元外殼在插口13附近還可通過焊接或黏合劑進行第二重密封，提供額外的密封。Although the battery unit 2 can have any suitable shape, in the illustrated embodiment, the battery unit can be in the form of a cube, and more specifically, can be in the form of a sheet. In addition, in some embodiments, the electrode side 25 of the battery cell 2 is at the top, and the battery cell 2 has the positive electrode column 21 and the negative electrode column 22 at the electrode side 25. Of course, the battery unit 2 can also have other forms of electrodes at the electrode side 25. As the battery unit 2, the outer casing 24 may be made of a plastic material. Alternatively, the outer casing 24 of the battery unit 2 may be made of a metal material which is more thermally conductive, such as an aluminum-based alloy. At a position close to the electrode side of the outer casing 24 of the battery unit 2, the battery unit 2 may have a sealing member 23, such as a sealing strip, which assists the battery unit 2 to sealingly fit into the battery unit cavity of the cooling unit 1, and prevents The cooling fluid leaks from the cell compartment. In order to ensure the tightness, in addition to the seal 23, the cooling unit housing 19 and the battery unit housing may be second resealed by welding or adhesive in the vicinity of the socket 13, providing an additional seal.
儘管冷卻單元1可具有任何適當的形狀並可限定任何形狀的電池單元容腔，但在一些實施例中，冷卻單元1的冷卻單元殼體19的外形可具有與電池單元2對應的立方體形狀並限定與電池單元2形狀對應的電池單元容腔。冷卻單元殼體19可大致由第一側壁15，第二側壁14，第三側壁17，第四側壁16以及底壁18組成，而冷卻單元殼體19的頂部為開放式並限定插口13。冷卻單元殼體19具有用於與冷卻流體供應端連接的流體入口11以及用於與冷卻流體排放端連接的流體出口12。在一些實施例中，流體入口11和流體出口12可設置在相對的第一側壁15和第二側壁16處。在一些實施例中，冷卻單元殼體19的內壁在插口13附近也可設置有圍繞插口13的密封件131(圖3中標注)，例如密封件131可包括密封條收納槽以及其中的密封條。冷卻單元殼體19也可由塑膠材料製成，備選地，冷卻單元殼體19也可由熱傳導更佳的金屬材料製成，如鋁基合金。Although the cooling unit 1 may have any suitable shape and may define a battery cell cavity of any shape, in some embodiments, the outer shape of the cooling unit housing 19 of the cooling unit 1 may have a cubic shape corresponding to the battery unit 2 and A battery cell cavity corresponding to the shape of the battery unit 2 is defined. The cooling unit housing 19 may be substantially comprised of a first side wall 15, a second side wall 14, a third side wall 17, a fourth side wall 16, and a bottom wall 18, while the top of the cooling unit housing 19 is open and defines a socket 13. The cooling unit housing 19 has a fluid inlet 11 for connection with a cooling fluid supply end and a fluid outlet 12 for connection with a cooling fluid discharge end. In some embodiments, fluid inlet 11 and fluid outlet 12 may be disposed at opposing first side wall 15 and second side wall 16. In some embodiments, the inner wall of the cooling unit housing 19 may also be provided with a seal 131 (labeled in FIG. 3) surrounding the socket 13 in the vicinity of the socket 13, for example, the seal 131 may include a weather strip receiving groove and a seal therein. article. The cooling unit housing 19 can also be made of a plastic material. Alternatively, the cooling unit housing 19 can also be made of a metal material that is more thermally conductive, such as an aluminum-based alloy.
圖3示出了冷卻單元1的電池單元容腔的內部結構。為了清楚起見，圖3中僅示出了第一側壁15，第三側壁17和底壁18，其他內壁被省去。從圖3中可見，在一些實施例中，冷卻單元殼體19的內壁上可具有多條筋151,171和181，多條筋引導流體沿多條筋限定的方向流過電池單元的外殼24。在備選的實施例中，電池單元的外殼24上可設置有多條筋(未示出)，電池單元的外殼24上的多條筋也可引導流體沿特定的路徑流過電池單元外殼24。在另一些實施例中，冷卻單元殼體19的內壁和電池單元的外殼24可均設有多條筋。FIG. 3 shows the internal structure of the battery cell cavity of the cooling unit 1. For the sake of clarity, only the first side wall 15, the third side wall 17, and the bottom wall 18 are shown in Fig. 3, and the other inner walls are omitted. As can be seen in Figure 3, in some embodiments, the inner wall of the cooling unit housing 19 can have a plurality of ribs 151, 171 and 181 that direct fluid flow through the outer casing 24 of the battery unit in a direction defined by the plurality of ribs. In an alternative embodiment, a plurality of ribs (not shown) may be disposed on the outer casing 24 of the battery unit, and the plurality of ribs on the outer casing 24 of the battery unit may also direct fluid to flow through the battery unit casing 24 along a particular path. . In other embodiments, the inner wall of the cooling unit housing 19 and the outer casing 24 of the battery unit may each be provided with a plurality of ribs.
進一步參考圖3，在一些實施例中，冷卻單元殼體19的內壁在第一側壁15處可限定從流體入口11發散的多條筋151，使得進入的流體可分散地從電池單元外殼流過。儘管未示出，相同地或類似地，冷卻單元殼體19的內壁在第二側壁14處可限定從流體出口12發散的多條筋，以使冷卻流體彙聚。冷卻單元殼體19還包括第一側壁15和第二側壁14之間的第三側壁17，第四側壁16和底壁18。在一些實施例中，冷卻單元殼體19的內壁在第三側壁17，第四側壁16以及底壁18處限定多條在第一側壁15和第二側壁14之間延伸的平行的筋。這些平行的筋限定了多條平行的冷卻液體路徑301,302,401,402，由此冷卻液體可覆蓋電池單元2的除電極側外的五個表面，與電池單元2充分地接觸。儘管在圖3所示的實施例中，冷卻單元殼體19在第三側壁17，第四側壁16以及底壁18處限定多條平行的筋，但在備選實施例中，冷卻單元殼體19的內壁可在第三側壁17，第四側壁16以及底壁18處限定迂回的筋，以限定迂回的流體路徑，例如S型，Z型或U型等，由此，冷卻流體可在這些內壁處迂回以增加冷卻流體與電池單元外殼的接觸。應當理解，所謂“迂回的筋”指包括至少一對相互成角度的筋，例如相互垂直的筋。With further reference to FIG. 3, in some embodiments, the inner wall of the cooling unit housing 19 can define a plurality of ribs 151 diverging from the fluid inlet 11 at the first side wall 15 such that the incoming fluid can be dispersedly flowed from the battery unit housing Over. Although not shown, identically or similarly, the inner wall of the cooling unit housing 19 can define a plurality of ribs diverging from the fluid outlet 12 at the second side wall 14 to concentrate the cooling fluid. The cooling unit housing 19 further includes a third side wall 17, a fourth side wall 16, and a bottom wall 18 between the first side wall 15 and the second side wall 14. In some embodiments, the inner wall of the cooling unit housing 19 defines a plurality of parallel ribs extending between the first side wall 15 and the second side wall 14 at the third side wall 17, the fourth side wall 16, and the bottom wall 18. These parallel ribs define a plurality of parallel cooling liquid paths 301, 302, 401, 402, whereby the cooling liquid can cover the five surfaces of the battery unit 2 except the electrode side, and is in full contact with the battery unit 2. Although in the embodiment shown in FIG. 3, the cooling unit housing 19 defines a plurality of parallel ribs at the third side wall 17, the fourth side wall 16, and the bottom wall 18, in an alternative embodiment, the cooling unit housing The inner wall of 19 may define a rounded rib at the third side wall 17, the fourth side wall 16, and the bottom wall 18 to define a meandering fluid path, such as an S-type, a Z-shape or a U-shape, etc., whereby the cooling fluid may These inner walls are twisted back to increase the contact of the cooling fluid with the battery unit casing. It should be understood that the term "returned tendons" refers to at least one pair of ribs that are angled to each other, such as ribs that are perpendicular to each other.
繼續參考圖4，其中大致示出了根據本發明的一個實施例的電池組件中冷卻流體的路徑。冷卻流體從流體入口11沿箭頭F1的方向進入電池單元容腔並沿第一側壁15處的多根筋151分散，部分冷卻流體從電池單元2的側邊沿多條筋171限定的路徑基本沿箭頭F2的方向通過，另一部分冷卻流體從電池單元2的底部沿多條筋181限定的路徑基本沿箭頭F3的方向通過，最後，冷卻流體在流體出口12彙聚，並沿箭頭F4的方向流出。With continued reference to Figure 4, there is shown generally a path for cooling fluid in a battery assembly in accordance with one embodiment of the present invention. The cooling fluid enters the battery cell cavity from the fluid inlet 11 in the direction of the arrow F1 and is dispersed along the plurality of ribs 151 at the first side wall 15, and a portion of the cooling fluid is substantially along the path defined by the plurality of ribs 171 from the side of the battery cell 2 The direction of the arrow F2 passes, and another portion of the cooling fluid passes from the bottom of the battery unit 2 along the path defined by the plurality of ribs 181 substantially in the direction of the arrow F3. Finally, the cooling fluid converges at the fluid outlet 12 and flows out in the direction of the arrow F4.
繼續參考圖5，其中大致示出了根據本發明的另一個實施例的電池組件中冷卻流體的路徑。在該實施例中，電池組件中冷卻單元1的殼體限定兩個電池單元的容腔，冷卻單元殼體還限定通至兩個電池單元容腔的兩個插口，兩個電池單元201,202密封地配合在這兩個插口中，並且每個電池單元的電極側填補插口並位於殼體外同一側處。儘管圖5示出了兩個電池單元容腔的實施例，根據其他實施例的電池組件還可包括更多個的電池單元容腔，如三個，五個等。在圖5所示的實施例中，電池單元的容腔以並聯形式連接在流體入口11和流體出口12之間，具體而言，沿箭頭F1方向進入的冷卻流體沿電池單元外殼與冷卻單元殼體之間沿箭頭F2的方向，或沿電池單元外殼之間沿箭頭F5的方向流至流體出口12，並沿箭頭F4的方向流出。在備選的實施例中，多個電池單元的容腔也可串聯在流體入口11和流體出口12之間，例如可提供擋板501,502，使得流體沿S型依次流過電池單元202和電池單元201的外殼。在多於兩個電池單元容腔的情況下，也可將這些電池單元的容腔並聯或串聯在流體路徑上。With continued reference to FIG. 5, a path of cooling fluid in a battery assembly in accordance with another embodiment of the present invention is generally illustrated. In this embodiment, the housing of the cooling unit 1 in the battery assembly defines a cavity of two battery cells, the cooling unit housing further defining two sockets to the two battery cell compartments, the two battery cells 201, 202 sealingly Fitted in the two sockets, and the electrode side of each battery unit fills the socket and is located at the same side of the housing. Although FIG. 5 illustrates an embodiment of two battery cell compartments, battery assemblies in accordance with other embodiments may include more battery cell compartments, such as three, five, and the like. In the embodiment shown in FIG. 5, the cells of the battery cells are connected in parallel between the fluid inlet 11 and the fluid outlet 12, in particular, the cooling fluid entering in the direction of the arrow F1 along the cell casing and the cooling unit casing The bodies flow in the direction of the arrow F2 or along the direction of the arrow F5 between the battery unit casings to the fluid outlet 12 and flow out in the direction of the arrow F4. In an alternative embodiment, the chambers of the plurality of battery cells may also be connected in series between the fluid inlet 11 and the fluid outlet 12, for example, baffles 501, 502 may be provided such that fluid flows sequentially through the battery cells 202 and the battery cells along the S-shape. The outer casing of 201. In the case of more than two cell compartments, the cells of these cells can also be connected in parallel or in series on the fluid path.
此外，在根據本發明的各個實施例的電池組件中，冷卻流體均可選用絕緣隔熱冷卻液體，由此，可提供更佳的安全性。Further, in the battery assembly according to various embodiments of the present invention, the cooling fluid may be selected from an insulating heat insulating cooling liquid, whereby better safety can be provided.
在另一些實施例中，本發明還旨在保護包括根據本發明的各個實施例的電池組件的動力電池，動力電池可用於新能源汽車。In still other embodiments, the present invention is also directed to protecting a power battery including a battery assembly in accordance with various embodiments of the present invention, the power battery being usable in a new energy vehicle.
根據本發明的各個實施例的電池組件優點包括但不限於： 1.冷卻流體直接與電池單元接觸，並優選地接觸電池單元的五個表面，提供了改善的冷卻效率； 2.冷卻流體處於冷卻單元殼體與電池外殼之間，省去了專用的管道，冷卻板等，簡化了電池冷卻系統的結構； 3.電池單元與冷卻單元更容易的組裝；以及 4.即使冷卻流體洩漏也不會接觸電極側，提供改善的安全性。Battery assembly advantages in accordance with various embodiments of the present invention include, but are not limited to: 1. The cooling fluid is in direct contact with the battery unit and preferably contacts the five surfaces of the battery unit, providing improved cooling efficiency; 2. The cooling fluid is in cooling Between the unit housing and the battery case, special pipes, cooling plates, etc. are omitted, which simplifies the structure of the battery cooling system; 3. The battery unit and the cooling unit are easier to assemble; and 4. Even if the cooling fluid leaks, it will not Contact the electrode side for improved safety.
以上所描述的具體實施例僅為了更清楚地描述本發明的原理，其中清楚地示出或描述了各個部件而使本發明的原理更容易理解。在不脫離本發明的範圍的情況下，本領域的技術人員可容易地對本發明進行各種修改或變化。故應當理解的是，這些修改或者變化均應包含在本發明的專利保護範圍之內。The specific embodiments described above are merely illustrative of the principles of the invention, and the various embodiments are Various modifications or changes may be made to the invention without departing from the scope of the invention. It is to be understood that these modifications or variations are intended to be included within the scope of the invention.
1‧‧‧冷卻單元1‧‧‧Cooling unit
11‧‧‧流體入口11‧‧‧ fluid inlet
12‧‧‧流體出口12‧‧‧ Fluid outlet
13‧‧‧插口13‧‧‧ socket
14‧‧‧第二側壁14‧‧‧ second side wall
15‧‧‧第一側壁15‧‧‧First side wall
151‧‧‧筋151‧‧ ‧ ribs
16‧‧‧第四側壁16‧‧‧fourth sidewall
17‧‧‧第三側壁17‧‧‧ third side wall
171‧‧‧筋171‧‧ ‧ ribs
18‧‧‧底壁18‧‧‧ bottom wall
181‧‧‧筋181‧‧ ‧ ribs
19‧‧‧冷卻單元殼體19‧‧‧Cooling unit housing
2‧‧‧電池單元2‧‧‧ battery unit
21‧‧‧正極柱21‧‧‧ positive column
22‧‧‧負極柱22‧‧‧ negative column
23‧‧‧密封件23‧‧‧Seal
24‧‧‧外殼24‧‧‧ Shell
25‧‧‧電極側25‧‧‧electrode side
201‧‧‧電池單元201‧‧‧ battery unit
202‧‧‧電池單元202‧‧‧ battery unit
301‧‧‧冷卻液體路徑301‧‧‧Cooling liquid path
302‧‧‧冷卻液體路徑302‧‧‧Cooling liquid path
401‧‧‧冷卻液體路徑401‧‧‧Cooling liquid path
402‧‧‧冷卻液體路徑402‧‧‧Cooling liquid path
501‧‧‧擋板501‧‧ ‧ baffle
502‧‧‧擋板502‧‧ ‧Baffle
F1‧‧‧箭頭F1‧‧‧ arrow
F2‧‧‧箭頭F2‧‧‧ arrow
F3‧‧‧箭頭F3‧‧‧ arrow
F4‧‧‧箭頭F4‧‧‧ arrow
F5‧‧‧箭頭F5‧‧‧ arrow
參照圖式，本發明的公開內容將變得更易理解。本領域技術人員容易理解的是：這些圖式僅僅用於說明的目的，而並非意在對本發明的保護範圍構成限制。此外，圖中類似的數字用以表示類似的部件，其中： 圖1示出了根據一個實施例的組裝狀態的電池組件； 圖2示出了根據一個實施例的分解狀態的電池組件； 圖3示出了根據一個實施例的電池組件的電池單元容腔的內部區域視圖； 圖4示出了根據一個實施例的電池組件內部冷卻流體流向；以及 圖5示出了根據另一個實施例的電池組件內部冷卻流體流向。The disclosure of the present invention will become more apparent from the drawings. Those skilled in the art will readily appreciate that these drawings are for illustrative purposes only and are not intended to limit the scope of the invention. In addition, like numerals are used to indicate like components, in which: FIG. 1 shows a battery assembly in an assembled state according to one embodiment; FIG. 2 shows a battery assembly in an exploded state according to one embodiment; An internal area view of a battery cell cavity of a battery assembly in accordance with one embodiment is shown; FIG. 4 illustrates a flow of cooling fluid inside the battery assembly in accordance with one embodiment; and FIG. 5 illustrates a battery in accordance with another embodiment Cooling fluid flow inside the assembly.
Claims (12)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622365.1A CN109309267A (en) | 2017-07-27 | 2017-07-27 | Battery component and power battery |
| CN201710622365.1 | 2017-07-27 | ||
| ??201710622365.1 | 2017-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201911639A true TW201911639A (en) | 2019-03-16 |
| TWI765076B TWI765076B (en) | 2022-05-21 |
Family
ID=65039402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW107125951A TWI765076B (en) | 2017-07-27 | 2018-07-26 | Battery packs and power batteries |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109309267A (en) |
| TW (1) | TWI765076B (en) |
| WO (1) | WO2019019963A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2588646A (en) * | 2019-10-30 | 2021-05-05 | Xerotech Ltd | A component for a battery module |
| CN112103441A (en) * | 2020-09-28 | 2020-12-18 | 苏州方林科技股份有限公司 | Lithium battery with shell composite cooling pipeline and preparation process thereof |
| CN116918138A (en) * | 2022-01-14 | 2023-10-20 | 宁德时代新能源科技股份有限公司 | Battery cell, manufacturing method and manufacturing equipment thereof, battery and power utilization device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203826516U (en) * | 2014-04-08 | 2014-09-10 | 淄博贝林电子有限公司 | Battery pack cooling pipeline module |
| CN205944326U (en) * | 2016-06-16 | 2017-02-08 | 广东工业大学 | Car battery heat pipe reason device |
-
2017
- 2017-07-27 CN CN201710622365.1A patent/CN109309267A/en active Pending
-
2018
- 2018-07-23 WO PCT/CN2018/096614 patent/WO2019019963A1/en active Application Filing
- 2018-07-26 TW TW107125951A patent/TWI765076B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109309267A (en) | 2019-02-05 |
| TWI765076B (en) | 2022-05-21 |
| WO2019019963A1 (en) | 2019-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6254658B2 (en) | Battery module | |
| US10601088B2 (en) | Battery module endplate with sealed hole for cooling tube connection | |
| JP6795710B2 (en) | Cell edge direct cooling type battery module and battery pack containing it | |
| KR20220035356A (en) | Battery Module and Battery Pack including the same | |
| WO2017033412A1 (en) | Battery system and electric vehicle equipped with same battery system | |
| US11296377B2 (en) | Cover for an electrochemical cell with enhanced heat conduction | |
| US20150325894A1 (en) | Battery pack and method of assembling the battery pack | |
| US8852792B2 (en) | Electricity storage device | |
| JP5201296B2 (en) | Power supply | |
| TW201911639A (en) | Battery assembly and traction battery | |
| JP6627682B2 (en) | Battery pack | |
| JP2020500409A (en) | Battery module | |
| JP2018073551A (en) | Battery pack | |
| CN116526015B (en) | Battery module and energy storage system | |
| US20180040933A1 (en) | Battery pack | |
| KR20160078035A (en) | Battery Module | |
| KR20210025293A (en) | Battery Pack Having Cell Frame | |
| WO2018209776A1 (en) | Battery module and power battery system | |
| JP5960076B2 (en) | Battery pack structure | |
| KR101908441B1 (en) | Secondary battery module | |
| TWM573900U (en) | Battery component and power battery | |
| KR20190130930A (en) | Battery pack | |
| CN219086064U (en) | Battery box, battery and power consumption device | |
| WO2018184309A1 (en) | Battery module and power battery | |
| CN116207391A (en) | Cooling plate and battery pack comprising same |