Battery mounting system

Abstract

To provide a battery mounting system for protecting an adjacent battery from damage when a thermally unstable state of one battery occurs.SOLUTION: The battery packaging system 100 comprises a packaging housing 103 for holding a plurality of battery cells, a plurality of battery cells 101 accommodated in the packaging housing, a plurality of electrical connection elements 111, 111 - 1 and at least one heat shielding element 119, 119 - 1, 119 - 2, wherein the plurality of battery cells are arranged in a plurality of battery-cell rows arranged parallel to one another, the battery cells in the battery-cell rows extend along the longitudinal direction 121, wherein the plurality of electrical connection elements conductively connect two battery cells adjacent along the longitudinal direction in the respective battery-cell row to provide an electrical series connection of the respective battery-cell row, and wherein the at least one heat shield element is arranged between two battery cells adjacent along the respective battery-cell row to provide a heat shield wall between the two battery cells adjacent in the respective battery-cell row.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a battery mounting system for mounting a plurality of battery cells in an electric vehicle. That is why. [Background technology]

[0002] The battery mounting system is a system that provides the electrical energy required to drive an electric vehicle within a conventional electric vehicle. It is used to hold multiple battery cells that provide energy. Generally, lithium ion Battery cells based on PV technology are used, but these are susceptible to overheating, overcharging, and / or mechanical damage. Certain external influences, such as scratches, can cause it to become thermally unstable.

[0003] If one of the multiple battery cells becomes thermally unstable, a large amount of high-temperature The gas is released into the environment under high pressure within a short time through the pressure relief valve of the battery cell. The packing of battery cells in a system is typically dense, resulting in thermal The hot gases emitted by a thermally unstable battery cell can also cause adjacent battery cells to become thermally unstable. Under certain circumstances, this can severely damage multiple battery cells, It can even set off a potentially destructive chain reaction. Summary of the Invention [Problem to be solved by the invention]

[0004] An object of the present invention is to provide a battery mounting system for an electric vehicle, The system is designed to prevent the adjacent battery mounting system from being damaged if a thermally unstable state occurs in one battery. Protect the battery from damage. [Means for solving the problem]

[0005] The present invention provides a battery mounting system in which the heat shielding wall is protected from heat emitted by thermally unstable battery cells. This is based on the understanding that it ensures that hot gases cannot thermally stimulate adjacent battery cells. .

[0006] In this case, the battery cells held in the battery mounting system are arranged parallel to each other. The battery cells are arranged in a plurality of rows of battery cells, and each row of battery cells has a plurality of electrical connections. The elements are electrically connected in series.

[0007] The heat shield is provided by at least one heat shield element, which is connected to each of the electric The battery cell row is placed between two adjacent battery cells, and the gap between these two adjacent battery cells is Provides a thermal barrier.

[0008] According to a first aspect of the present invention, the above object is to provide a battery pack for holding a plurality of battery cells in an electric vehicle. This battery mounting system is designed to hold multiple battery cells. a mounting housing for holding the plurality of battery cells; and the plurality of battery cells held in the mounting housing. The battery cells are provided with a plurality of electrical connection elements and at least one heat shielding element. The battery cells are arranged in a plurality of rows of parallel battery cells, and the battery cells in the rows are arranged in the longitudinal direction. Each of the plurality of electrical connection elements extends along the longitudinal direction within a respective row of battery cells. Two adjacent battery cells are electrically connected along the direction of the and the at least one heat shield element is arranged longitudinally within each row of battery cells. The battery cells are arranged between two adjacent battery cells in the same direction. provides a thermal barrier between the battery cells.

[0009] This allows at least one heat shield element to be provided between two adjacent battery cell rows. It provides an effective heat shield between battery cells, preventing one of two adjacent battery cells from being thermally If the battery cell becomes thermally unstable, the other of the two adjacent battery cells will also become thermally unstable. This provides a technical advantage in that the device is prevented from changing into a different state.

[0010] The heat shield element is made of a material having high thermal resistance and high resistance to pressure. In particular, the material of the heat shield element is at least one metal, in particular steel, iron and / or aluminum. In particular, the heat shielding element is formed as a heat shielding plate. The port has at least one protrusion and / or at least one recess.

[0011] In particular, the at least one heat shielding element may include a plurality of heat shielding elements, One of the heat shielding elements is adjacent to the other in the longitudinal direction in each battery cell row. The battery cell row is arranged between each of two adjacent battery cells. Therefore, the plurality of heat shielding elements are arranged in a row of battery cells. Alternatively, a plurality of battery cells adjacent in the longitudinal direction within a plurality of rows of battery cells arranged parallel to each other may be arranged. This ensures multiple effective thermal barriers between the tubes.

[0012] In particular, the at least one heat shielding element extends beyond each row of battery cells. In the parallel rows of the battery cells, adjacent cells are arranged in the longitudinal direction. It is placed between the battery cells.

[0013] In particular, the at least one heat shield element extends perpendicular to the longitudinal direction within the mounting housing. and extending in at least a plurality of portions, in particular extending entirely, along the transverse direction of the and / or the at least one heat shield element is arranged perpendicular to the longitudinal direction within the mounting housing. and extending in the form of at least a plurality of portions along a vertical direction extending perpendicular to the transverse direction, It can extend throughout.

[0014] Therefore, the at least one heat shielding element is particularly suitable for covering the entire inner surface of the mounting fixture. This provides an effective heat barrier that extends

[0015] In particular, the battery cell row is provided with a plurality of battery cells arranged between two adjacent battery cells along the longitudinal direction. At least one heat shield element is provided adjacent to each other along the longitudinal direction in each row of battery cells. At least one electrical connection element for enabling electrical connection between two battery cells by means of respective electrical connection elements Both have one opening.

[0016] In the context of this disclosure, longitudinally "adjacent" battery cells refer to battery cells within a single row. Refer to adjacent battery cells.

[0017] Each of the battery cells according to the present invention comprises poles of opposite polarity, in particular a positive pole and a negative pole. In particular, two battery cells adjacent to each other in one pole, in particular in each battery cell row, in the longitudinal direction The positive or negative electrode of one of the electrodes is connected to two adjacent electrodes in the longitudinal direction by the respective electrical connection elements. The battery cell is electrically connected to the other opposite polarity pole, particularly the negative pole or the positive pole, of the battery cell.

[0018] a plurality of electrical connections electrically connecting longitudinally adjacent battery cells within each row of battery cells; The device allows for effective electrical series connection within each row of battery cells. A plurality of parallel-connected, serially-connected, parallel-connected semiconductor lasers are arranged in a mounting housing. The rows of battery cells enable the effective energy density of the entire battery packaging system.

[0019] In the context of this disclosure, "side-by-side" battery cells refer to different battery cells arranged parallel to each other. Refers to the battery cell in the row.

[0020] In particular, the rows of parallel battery cells arranged in the mounting housing are spaced apart from one another; Alternatively, rows of battery cells arranged parallel to one another within the mounting housing are adjacent to one another.

[0021] In particular, cells belonging to different rows arranged parallel to one another and arranged next to one another The cells are arranged without offset along the longitudinal direction, in particular parallel to each other. The battery cells that belong to different battery cell rows and are arranged adjacent to each other are arranged in a longitudinal direction. are arranged with an offset along the

[0022] In particular, the battery cells according to the present invention include round cells.

[0023] Therefore, at least one heat shield element according to the present invention is provided for a plurality of batteries in a battery mounting system. This effectively prevents the propagation of thermally unstable states in the cell, thereby enabling particularly high energy density Battery cells based on lithium-ion technology with a high degree of conductivity can also be used.

[0024] At least one heat shielding element according to the invention allows for the heating of a plurality of batteries arranged parallel to one another. The cell row allows the battery cells to be cooled without the risk of thermal instability spreading to neighboring battery cells. It is also possible to further ensure that the batteries are particularly densely packed within the battery packaging system. In this way, it is possible to provide a battery mounting system that optimizes the installation space. .

[0025] In one preferred embodiment, the at least one heat shielding element is Each of the electrical connection elements and one of two adjacent battery cells in each battery cell row It is placed between.

[0026] This realizes the technical advantage of ensuring particularly advantageous production of battery mounting systems. do.

[0027] In particular, each electrical connection element is connected to two adjacent battery cells in each battery cell row. are connected in a firmly bonded manner to one of the the other of two adjacent battery cells in a battery cell row in a less reliable manner, and / or In particular, the at least one heat shielding element is connected to the respective electrical A connecting element is disposed between the battery cell and the battery cell that is firmly coupled in each battery cell row. are.

[0028] This means that the heat shielding elements can be advantageously positioned first, and then the connecting elements can be positioned between two adjacent the other battery cell in a low-reliability and / or high-reliability manner, and then Advantageous assembly in which a connection element is connected to one of two adjacent battery cells in a strongly bonded manner To achieve the technical advantage of being able to guarantee order.

[0029] In one embodiment, two longitudinally adjacent battery cells in each row of battery cells are Heat shielding elements disposed between the rods extend along a transverse direction perpendicular to the longitudinal direction.

[0030] This means that at least one heat shield element is particularly advantageously arranged in the mounting housing. This provides the advantage of being able to guarantee alignment.

[0031] In one embodiment, the heat shielding element has at least one opening, and each battery cell row One of two battery cells arranged adjacent to each other in a battery cell, particularly this battery cell One pole of the coil is accommodated in the opening in the form of at least a plurality of parts, or One of the electrical connection elements is disposed in the opening in the form of at least a plurality of portions. The battery cells are electrically connected to each other to provide a conductive connection between two adjacent battery cells within each row of battery cells.

[0032] This means that at least one opening of the heat shield element is electrically conductive between two adjacent battery cells. This provides the benefit of ensuring that the connection still exists.

[0033] One of two battery cells arranged adjacent to each other, especially this battery cell One pole of the or any of the electrical connection elements can be disposed within the opening.

[0034] In particular, the opening edge defining the opening is accommodated in the opening in at least a multi-part manner. The battery cell is adjacent to the heat shield element, and hot gas can pass between the heat shield element and the battery cell. It can be ensured that there are no gaps that can be

[0035] In particular, the opening edge defining the opening is disposed in the opening in at least a multi-part manner. The hot gas passes between the heat shield element and the electrical connection element adjacent to the heat shield element. It can be ensured that there are no gaps that can lead to mismatch.

[0036] In one embodiment, the at least one heat shield element may comprise a heat shield plate. Cut.

[0037] This provides the technical advantage of being able to provide an effective heat shield. The heat shield plate has at least one protrusion and / or at least one recess. It is possible.

[0038] In one embodiment, the at least one heat shielding element comprises a plurality of heat shielding elements arranged parallel to one another. A battery cell row is arranged between each two adjacent battery cells along the longitudinal direction, and The at least one heat shielding element is particularly long within the entire row of battery cells arranged parallel to one another. It is disposed between each of two adjacent battery cells along the longitudinal direction.

[0039] This means that the at least one heat shield element simultaneously extends beyond a single row of battery cells. The at least one heat shield element is disposed adjacent to the corresponding battery cell row. In particular, the at least one heat shielding layer extends into the cell row. The elements may be arranged along a transverse direction extending perpendicular to the longitudinal direction and / or perpendicular to the longitudinal direction; The vertical direction extends perpendicular to the transverse direction.

[0040] Therefore, the at least one heat shield element is arranged along the longitudinal direction within each row of battery cells. and the battery cell is disposed between each of the plurality of battery cells disposed adjacent to each other, This allows for an effective heat shield for multiple rows of battery cells with a single heat shield element. This can be done.

[0041] In one embodiment, the battery cells arranged parallel to each other have different polarities.

[0042] This has the technical advantage of enabling flexible adaptation of the battery mounting system. Realize the point.

[0043] When parallel battery cell rows have the same polarity, the polarity of the battery cells in the different battery cell rows is The poles of the battery cells that belong to the same group and are arranged adjacent to each other are of the same polarity, i.e., the same polarity In the corresponding battery cell rows having the same polarity, the arrangement of the positive and negative electrodes is symmetrical.

[0044] On the other hand, when the rows of battery cells arranged in parallel to each other have different polarities, i.e., different In the corresponding battery cell rows having the same polarity, adjacently arranged battery cell rows are In battery cells, the negative electrode of an adjacent battery cell exists next to the positive electrode of the battery cell. The opposite is also true.

[0045] In particular, rows of battery cells arranged parallel to each other have the same polarity.

[0046] In particular, in all the rows of parallel battery cells, the cells arranged adjacent to each other The two battery cell rows have different polarities.

[0047] In particular, at least some of the rows of battery cells arranged in parallel to one another have the same polarity, In at least some of the parallel rows of battery cells, two adjacent cells are The rows of battery cells have different polarities in each case.

[0048] In one embodiment, two battery cells belonging to different battery cell rows and arranged next to each other are The battery cells are arranged without offset from each other and / or belong to different battery cell rows; The two battery cells arranged adjacent to each other are arranged with an offset from each other. , this offset is particularly along the longitudinal direction of the battery cell row.

[0049] This means that battery cells belonging to different battery cell rows and arranged next to each other can be However, they may be placed with an offset from each other or without an offset from each other. In particular, the contacts of the battery packaging system located at the ends of each row of battery cells may be This realizes the technical advantage of enabling flexible adaptation of the battery mounting system to do.

[0050] In one embodiment, two battery cells belonging to different battery cell rows and arranged next to each other are The battery cells are arranged offset from one another, and the battery mounting system includes at least one a first heat insulating element and at least one second heat insulating element, each of which In each row of battery cells, two adjacent battery cells are offset from each other along the longitudinal direction. In particular, they are arranged with an offset by the above-mentioned offset amount.

[0051] This means that two battery cells that belong to different battery cell rows and are arranged next to each other offset along the longitudinal direction. , an effective gap is formed between adjacent battery cells along the longitudinal direction within each battery cell row. To ensure that the heat shield can be provided, two different heat shield elements are required. This provides the technical advantage of

[0052] In one embodiment, each of the first and second heat shielding elements has at least one first opening. In this opening, two adjacent electrodes are arranged along the longitudinal direction in each row of battery cells. One electrode of the battery cell, in particular the positive electrode, is housed in at least a multi-part form and / or Each of the first and second heat shielding elements has at least one second opening, In each battery cell row, at least one of two adjacent battery cells along the longitudinal direction is Both are housed in multiple parts.

[0053] This means that two different openings in the first and second heat shield elements accommodate the poles of the battery cells. or specifically shaped to accommodate a battery cell, This allows adjacent battery cells to be connected even though there is an offset between two adjacent battery cell rows. This provides the technical advantage of ensuring an effective heat barrier between cells.

[0054] In particular, the first opening allows the electrical connection element connected to the electrode, in particular the positive electrode, to be inserted at least in a plurality of parts. It is designed to accommodate in the form of

[0055] In particular, the first opening for receiving the electrode, in particular the positive electrode, or the electrical connection element, is It has a smaller diameter than the second opening for receiving it.

[0056] In one embodiment, each electrical connection element in the plurality of electrical connection elements has a contact area. This contact area is a contact area between the poles of one of two adjacent battery cells along the longitudinal direction, particularly The positive electrode of each battery cell is electrically connected to the positive electrode of the other battery cell of the two battery cells adjacent to each other along the longitudinal direction. The electrode is electrically conductively connected to the other pole of the cable, in particular the negative pole.

[0057] This means that the contact areas are located at different poles of two adjacent battery cells along the longitudinal direction. This provides the technical advantage of enabling an effective conductive connection between the cows.

[0058] In one preferred embodiment, the contact area is firmly bonded to at least one electrode, in particular the positive electrode. , in particular by welding, soldering and / or gluing, in particular by means of said at least one heat shielding element is disposed between each of the plurality of electrical connection elements and the pole.

[0059] This means that at least one of the two battery cells is connected to the contact area. The present invention achieves the technical advantage of enabling a particularly stable attachment of the electrical connection element to the pole. Manifest.

[0060] In particular, the contact area is connected to one pole of one of two battery cells adjacent along the longitudinal direction, In particular, the contact area is firmly bonded only to the positive electrode. The battery is firmly bonded to one pole of each of the adjacent battery cells, particularly the positive and negative poles. .

[0061] In one embodiment, a plurality of mounting elements, in particular mounting teeth, are arranged on the contact area. These mounting elements are mounted on at least one of two adjacent battery cells along the longitudinal direction. The cell ends are accommodated.

[0062] This means that the mounting elements provide effective, particularly low-fidelity mounting of the respective cell ends. This allows the corresponding battery cells to be mounted in order to ensure effective tightening. This provides the technical advantage of simply inserting the device between the two.

[0063] In one preferred embodiment, the battery mounting system is provided in a mounting housing at intervals. In particular, the battery cell array includes a plurality of heat shielding elements arranged at intervals along the longitudinal direction of the battery cell row. Each of the plurality of heat-shielding elements is arranged along the longitudinal direction within each battery cell row. Each battery cell row is placed between two adjacent battery cells. This ensures a heat shield between adjacent battery cells along the longitudinal direction.

[0064] This means that the plurality of heat shielding elements can provide effective heat shielding walls for a long period of time within each battery cell row. The technical advantage is to ensure that different adjacent battery cells are provided with the same voltage. Be realized.

[0065] The distance between the correspondingly spaced heat shield elements corresponds in particular to the length of one battery cell.

[0066] In one embodiment, the at least one heat shield element is arranged longitudinally within each row of battery cells. The battery is firmly connected to at least one of the two adjacent battery cells along the direction. They are connected in a low dynamic and / or high dynamic manner.

[0067] This means that the at least one heat shielding element is The technical advantage of this is that it allows for an effective attachment to the battery, and in particular to both battery cells. Be realized.

[0068] In particular, the at least one heat shield element is at least one of the plurality of electrical connection elements. One electrical connection element in a rigidly coupled manner, in a loosely coupled manner, and / or It is connected in a highly dynamic way.

[0069] In one preferred embodiment, each of the battery cells is provided with at least one degassing valve (gas vent valve, degassing valve). The degassing valve is designed to prevent overpressure (overpressure, At least one battery is designed to vent gas from the battery cell in the event of a pressure rise. The degassing valve is arranged in the spatial vicinity of the electrode of each battery cell, particularly the positive electrode or the negative electrode. There are.

[0070] This allows gas to escape through the degassing valve to the battery cell in the event of a thermally unstable state of the battery cell. The technical advantage is that the battery cell can be advantageously released into the environment to prevent combustion of the battery cell. Realize the point.

[0071] In particular, the degassing valve is located spatially adjacent to the pole of each battery cell, in particular the positive or negative pole. The degassing valve is arranged in close spatial proximity to at least one heat shield element. The heat shielding element is placed between two adjacent battery cells along the longitudinal direction or between the adjacent battery cells. The battery cells are arranged between the corresponding poles of the adjacent battery cells, and the degassing valve The released gas can be effectively released by the at least one heat shield element. do.

[0072] The invention will be explained in more detail below with reference to example embodiments and drawings. [Brief explanation of the drawings]

[0073] [Figure 1] FIG. 1 is a diagram showing a schematic representation of a battery mounting system according to a comparative example. [Figure 2] FIG. 1 illustrates a schematic representation of a battery mounting system in horizontal cross section according to one embodiment. [Figure 3] FIG. 2 shows a schematic representation of a battery mounting system according to the embodiment in vertical cross section. [Figure 4] FIG. 10 shows a schematic representation of a connection area between two battery cells of a battery mounting system according to the embodiment. [Figure 5] FIG. is a perspective view showing a schematic representation of the battery mounting system according to the above embodiment. [Figure 6] FIG. is a perspective view showing a schematic representation of the battery mounting system according to the above embodiment in another perspective.

BEST MODE FOR CARRYING OUT THE INVENTION

[0074] In the following detailed description, reference is made to the accompanying drawings, which are a part of this specification , and specific embodiments in which the present invention can be implemented are shown as examples. Other embodiments can be used It is obvious that structural or logical changes can be made without departing from the concept of the present invention. Therefore, the following detailed description should not be construed in a limiting sense. Furthermore, it is obvious that the features of the various embodiments described in this specification can be combined with each other unless otherwise specifically stated.

[0075] Aspects and embodiments of the present invention will be described with reference to the drawings, and the same reference numerals generally refer to the same elements. In the following description, in order to provide a thorough understanding of the aspects of the present invention, a number of specific details are clearly stated for illustrative purposes.

[0076] FIG. 1 shows a schematic representation of a battery mounting system according to a comparative example.

[0077] The battery mounting system 100 schematically shown in FIG. 1 enables the mounting of a plurality of battery cells 101 inside an electric vehicle and the battery mounting system 100 has a mounting housing 103, which in FIG. 1 is only shown for mounting a plurality of battery cells.

[0078] In conventional electric vehicles, in order to supply sufficient electrical energy to drive the vehicle, many A number of battery cells 101 are required. Typically, the battery cells 101 are based on lithium-ion technology. are used for this purpose, but these battery cells are thermally unstable under certain operating conditions. It can change.

[0079] For example, if the battery cell 101 is overcharged, if the battery cell 101 is overheated, and / or Alternatively, if the battery cell 101 is mechanically damaged, an internal short circuit of the battery cell may occur. Such an internal short circuit can release a large amount of heat energy into the battery cell 101. This can significantly increase the pressure inside the battery cell 101.

[0080] In this case, as shown schematically by the arrow symbol in FIG. The pressure relief valve that can be opened releases a large amount of hot gas into the immediate vicinity of the battery cell 101. The battery cells 101 can be packed very densely in a commonly used mounting housing 103. Because they are often packed (packed) at once, high-temperature gas is released accordingly. The thermal stimulation of the adjacent battery cells 101 is then initiated. 101 can also become thermally unstable under certain circumstances.

[0081] Under certain circumstances, this may cause certain reactions to occur, making a large number of battery cells 101 thermally unstable. As a result, the entire battery unit of the electric vehicle may be damaged. The body can be severely damaged or even destroyed.

[0082] For this reason, starting from the conventional battery configuration, the task is to to ensure effective heat shielding of the single battery cell 101, and consequently to prevent damage to the single battery cell When thermal energy is released from the battery cell 101, the adjacent battery cell 101 also becomes thermally unstable. The purpose is to prevent the state from changing.

[0083] FIG. 2 shows a schematic representation of a battery mounting system in horizontal cross section according to one embodiment.

[0084] The battery mounting system 100 has a mounting housing 103. In FIG. 03 is shown only schematically to hold a number of battery cells 101.

[0085] As can be seen from FIG. 2, the battery cells 101 are arranged parallel to each other in a mounting housing 103. The battery cells are arranged in rows 105 .

[0086] The battery cell row 105 shown in FIG. 2 is arranged in a single horizontal battery cell plane 107-1. The mounting housing 103 also includes a plurality of horizontal battery cell surfaces 107-1 arranged vertically. The rows of battery cells 105 arranged parallel to each other are provided with a plurality of horizontal electrodes, as shown in FIG. The horizontal battery cell surfaces 107-1 are arranged in the horizontal battery cell surfaces 107-1.

[0087] See FIG. 3 for a vertical cross-sectional view of a corresponding three-dimensional battery mounting system 100. .

[0088] As can be seen from FIG. 2, each of the battery cell rows 105, 105-1, 105-2, 10 The battery cells 101 in the battery pack 5-3 are arranged in a series electrical circuit. In each of the battery cell rows 105, 105-1, 105-2, and 105-3, two adjacent battery cells This means that the cables 101 are conductively connected to each other along the longitudinal direction 121.

[0089] FIG. 2 shows the first battery cell 101-1 and the longitudinal direction within each battery cell row 105-1. Take the second battery cell 101-2 adjacent to the first battery cell 101-1 along the direction 121 as an example. show.

[0090] For example, the electrode 109, particularly the negative electrode 109-1, of the first battery cell 101-1 is 101-2 is conductively connected to an electrode 109 of opposite polarity, specifically, the positive electrode 109-2.

[0091] Although not shown in FIG. 2, the electrodes 109 of the first battery cell 101-1, in particular The positive electrode 109-2 is connected to the opposite polarity electrode 109 of the second battery cell 101-2, specifically the negative electrode 109-1. can be conductively connected to

[0092] Two adjacent battery cell rows 105, 105-1, 105-2, and 105-3 are To enable effective conductive connection between the battery cells 101, 101-1, and 101-2, The battery mounting system 100 includes a plurality of electrical connection elements 111. 111 are connected to the respective battery cell rows 105, Two adjacent battery cells 105-1, 105-2, and 105-3 are arranged along the longitudinal direction 121. The cables 101, 101-1, and 101-2 are electrically connected.

[0093] In FIG. 2, the first electrical connection element 111 is highlighted, and the first electrical connection element 111 is connected to the first battery cell. The first battery cell row 105-1 is connected to the first battery cell 101- 1 and is conductively connected to a second battery cell 101-2 adjacent to the first battery cell 101-1.

[0094] Although this is only shown diagrammatically in FIG. 2, each of the electrical connection elements 111 has a contact area 113, and the contact area 113 is between two adjacent battery cells 101, 101-1, 101-2. -2, the pole 109, in particular the positive pole 109-2, of one of the battery cells 101, 101-1, 101-2 and the other of the two adjacent battery cells 101, 101-1, 101-2. The opposite polarity poles, particularly the negative poles, of the battery cells 101, 101-1, and 101-2 are electrically connected. .

[0095] In the example chosen in FIG. 2, the contact area 113 of the first electrical connection element 111 is shown only diagrammatically. , the contact area 113 is connected to the negative electrode 109-1 of the first battery cell 101-1 and the negative electrode 109-2 of the second battery cell 101-2. The positive electrode 109-2 of the cable 101-2 is electrically connected to the positive electrode 109-2 of the cable 101-2.

[0096] FIG. 2 shows the mounting elements 115, particularly the mounting teeth, arranged on the contact area 113. The mounting element 115 is connected to at least one of the two battery cells 101, 101-1, and 101-2. The end 117 of the cable is enclosed.

[0097] In the representation chosen in FIG. 2, the mounting element 115 is attached to the cell end 1 of the first battery cell 101-1. 17 to ensure effective mounting of the first battery cell 101-1. However, the contact area 113 of the electrical connection element 111 is connected to the pole 109 of the second battery cell 101-2. In particular, it is firmly connected to the positive electrode 109-2, in particular, it is welded.

[0098] Therefore, longitudinal rows of battery cells 105, 105-1, 105-2, and 105-3 are Between each of two adjacent battery cells 101, 101-1, 101-2 along the direction 121 The arranged electrical connection elements 111, 111-1 are connected to the respective battery cell rows 105, 105- All adjacent battery cells 101, 101-1, 101-1, 101-2, 105-3 Ensures an effective conductive connection between the two.

[0099] As shown in FIG. 2, the battery cell rows 105, 105-1, 105-2, 10 5-3, in particular, all the battery cell rows arranged parallel to each other have the same polarity, so that The poles 109, 109-1, 109-2, 109-3, 109-4, 109-5, 109-6, 109-7, 109-8, 109-9, 109-109, 109-1109, 109-1209, 109-1309, 109-1409, 109-15 9-3 are arranged in the same direction. The two battery cells 101 arranged adjacent to each other are aligned in the longitudinal direction 121. It is not offset.

[0100] As further shown in FIG. 2, the battery mounting system 100 includes at least one heat shield element 119. , in particular a heat shield plate, the heat shield element 119 is provided between each of the battery cell rows 105, 105- Two battery cells 101, 101-1, 105-2 are adjacent to each other along the longitudinal direction. The battery cells 105, 105-1, 105-2, and 105-1 are arranged between the respective battery cell rows 105, 105-2, and 105- 3, and is configured to provide a heat shield between adjacent battery cells 101, 101-1, and 101-2. It has been completed.

[0101] As shown only diagrammatically in FIG. 2, the heat shielding element 119 is attached to each of the battery cell rows 105, 1 Two adjacent battery cells in 05-1, 105-2, and 105-3 along the longitudinal direction 121 Ensure physical separation between 101, 101-1 and 101-2, thereby preventing thermal overload In this case, the high-temperature gas escaping from one battery cell 101, 101-1, 101-2 is shielded by a heat shielding element. The battery cells 101, 101-1, and 101-2 are held in place by the battery charger 119 so that they do not reach the other battery cells 101, 101-1, and 101-2. This also means that the adjacent battery cells 101, 101-1, and 101-2 are thermally insulated. It is possible to effectively prevent the state from changing to a stable state.

[0102] In this case, the heat shield element 119 is particularly suitable for high temperature applications, since it can withstand the hot gases that escape. Made of materials that can withstand high temperatures and pressures, especially steel, iron, and / or aluminum include.

[0103] As shown in FIG. 2, the batteries in the battery cell rows 105, 105-1, 105-2, and 105-3 The cells 101, 101-1, 101-2 extend along the longitudinal direction, and the heat shielding element 119 is It extends along a transverse direction 123 perpendicular to the longitudinal direction 121 .

[0104] Therefore, the heat shielding element 119 is connected to the single battery cell row 105, 105-1, 105-2, 10 Two adjacent battery cells 101, 101-1, 101-2 are arranged in the longitudinal direction 121 in the battery cell 5-3. -2, the heat shield elements 119 are arranged in parallel with each other. In the plurality of battery cell rows 105, 105-1, 105-2, and 105-3, The battery cells 101, 101-1, and 101-2 are arranged between adjacent battery cells 101, 101-1, and 101-2. do.

[0105] Although only a single horizontal battery cell surface 107-1 is shown in FIG. 2, the heat shield element 119 In particular, along a transverse direction 123 extending perpendicular to the longitudinal direction 121 within the mounting housing 103 and / or the heat shielding element 119 extends in the form of at least several parts, in particular extends entirely. In particular, the wiring 104 extends perpendicular to the longitudinal direction 121 and in the transverse direction 123 within the mounting housing 103. Extending at least partially, particularly entirely, along the perpendicular vertical direction; The direction is not shown in FIG.

[0106] Therefore, in particular, the heat shielding element 119 is arranged parallel to all the battery cell rows 105, Two adjacent battery cells 105-1, 105-2, and 105-3 are arranged along the longitudinal direction 121. The antennas can be arranged between the lines 101, 101-1, and 101-2.

[0107] The heat shielding elements 119 shown in FIG. 2 are arranged in the respective battery cell rows 105, 105-1, 105-2, , 105-3, two adjacent battery cells 101, 101-1, A heat insulating wall can be provided between 101-2.

[0108] Although not shown in FIG. 2, the battery cell rows 105, 105-1, 105-2, and 105-3 The battery cell 101 includes a plurality of battery cells 101, 101-1, 101-2 arranged along a longitudinal direction 121. , whereby the battery mounting system 100 can be provided with, among other things, a plurality of additional heat shielding elements 119 These additional heat shielding elements 119 are not shown in FIG. The coil springs 104 are spaced apart from one another within the housing 103, particularly along the longitudinal direction 121. They are arranged in the following order.

[0109] Each of the additional heat shield elements 119 is now connected to a respective battery cell row 105, 105- 1, 105-2, 105-3, two different battery cells adjacent along the longitudinal direction 121 101, 101-1, and 101-2, so that adjacent The adjacent battery cells 101, 101-1, 101-2, in particular the plurality of battery cells, in particular all of the battery cells 101, 101-1, 101-2, are shielded by a heat insulating wall. Thus, they can be effectively thermally isolated from each other.

[0110] At least one heat shield element 119 is provided for each battery cell row 105, 105-1, 10 Two adjacent battery cells 101, 101 in the longitudinal direction 121 in the battery cells 105-2, 105-3 101-1 and 101-2, at least one heat shield element 119 is disposed between the Also, the opening 125 has at least one opening, particularly a plurality of openings 125, and the opening 125 is shown in FIG. Not shown.

[0111] In each of the battery cell rows 105, 105-1, 105-2, and 105-3, the Two adjacent battery cells 101, 101-1, and 101-2 are arranged along the line 1. 101, 101-1, and 101-2 through the openings 125 of the respective heat shield elements 119. , these two battery cells are housed in at least a multi-part form and arranged adjacent to each other The conductive connection between 101, 101-1, and 101-2 is made possible through the heat shield element 119. This can be done.

[0112] Each of the plurality of electrical connection elements 111 is connected to the opening of the respective heat shield element 119. At least a plurality of portions are arranged in the mouth portion 125 and are adjacent to each other along the longitudinal direction 121. The conductive connection between the two battery cells 101, 101-1, and 101-2 is established by using a heat-shielding element 119. This can be enabled through

[0113] Therefore, at least one heat shield element 119 is provided adjacent to each battery cell row 105. This can ensure an effective heat shield between the battery cells 101 arranged in this manner.

[0114] For further details, see the description below.

[0115] FIG. 3 shows a schematic representation of a battery mounting system according to the above embodiment in vertical cross section.

[0116] The battery mounting system 100 shown in FIG. 3 corresponds to the battery mounting system 100 shown in FIG. 2 , Figure 3 shows a vertical cross section.

[0117] Therefore, the drawing plane shown in FIG. 3 corresponds to the vertical battery cell plane 107-2, and the drawing plane shown in FIG. 07-2 intersects with a number of horizontal battery cell planes 107-1, which are shown only diagrammatically in FIG.

[0118] FIG. 3 shows rows of battery cells 105, 105-1, 105-2, 105-3, 105-4, 105-5, 105-6, 105-7, 105-8, 105-9, 105-10, 105-11, 105-12, 105-13, 105-14, 105-15, 1 Two adjacent battery cell rows 105, 105-1, 105-2, 10-3 5-3 each have a different polarity, and different battery cell rows 105, 1 Two battery cells 101 belonging to groups 05-1 and 105-2 and arranged adjacent to each other; 101-1 and 101-2 are arranged with an offset 127 from each other. The offset 127 is the longitudinal axis of the battery cell rows 105, 105-1, 105-2, and 105-3. It extends along the direction 121 .

[0119] As shown in FIG. 3, the first battery cell row 105, 105-1 and the third battery cell row 105, 105-3 have the same polarity and are arranged without an offset 127 from each other, and the second battery cell row 105, 05-2 are adjacent first battery cell rows 105, 105-1 and adjacent third battery cell row 105-2. It can be seen that it has a different polarity from 05 and 105-3.

[0120] The second battery cell row 105, 105-2 is connected to the first and third battery cell rows 105, 105-1, Contrary to the battery cell rows 105, 105-1, and 105-3, the battery cell rows 105, 105-1, and 105-2 are arranged in the longitudinal direction 121. The data is arranged with an offset of 127.

[0121] In order to effectively cover all the terminals of the battery cells 101 in the arrangement shown in FIG. 3, the first heat shield element 119-1 and a second heat-shielding element 119-2 are required, which are In each of the battery cells 101 adjacent to each other along the longitudinal direction 121 in the battery row 105, , specifically offset by 127.

[0122] 3, the openings 125 of the first and second heat shielding elements 119-1 and 119-2 are The diameter of each of the battery cells 101, in particular its poles 109, or the battery connection elements 111 It can be seen that they are shaped differently to accommodate either one.

[0123] In particular, the cell end 117 of the battery cell 101, which includes the positive electrode 109-2, is connected to the first or second shielding The thermal elements 119-1 and 119-2 are housed within the first openings 125-1. 101 itself is located within the second opening 125-2 of the first and second heat shield elements 119-1 and 119-2. The second opening 125-2 is accommodated in the first opening 125-1, and the second opening 125-2 has a larger diameter than the first opening 125-1. Has.

[0124] FIG. 4 is a schematic diagram of the connection area between two battery cells in the battery mounting system according to the above embodiment. Indicates the present.

[0125] In the example shown in FIG. 4, two adjacent battery cells are arranged along the longitudinal direction 121 in a single battery cell row 105. The electrical connection area between the two battery cells is Shows the period of time.

[0126] The first battery cell 101-1 is connected to the second battery cell 101-2 by an electrical connection element 111. The contact area 113 of the electrical connection element 111 is electrically connected to the first battery cell 101-1. The electrode 109, particularly the negative electrode 109-1, and the electrode 109, particularly the positive electrode 109 of the second battery cell 101-2 Establish a connection with -2.

[0127] FIG. 4 also shows a heat shielding element 119, which shields the first battery cell 101-1 and the second battery cell 101-2. 101-2, and the electrode 109, particularly the positive electrode 109-2, or the electrical connection element 1 11 is accommodated in the first opening 125 of the heat shield element 119 at least in the form of a plurality of parts. There are.

[0128] The degassing valve 129 of the second battery cell 101-2, which is only shown schematically in FIG. The thermal instability of the second battery cell 101-2 causes the battery to open, releasing hot gas into the second battery cell 101-2. and is effectively released through the heat shield element 119, thereby This can prevent the thermal stability of the first battery cell 101-1 from being reduced.

[0129] FIG. 5 shows a perspective view of a schematic representation of a battery mounting system according to the above embodiment.

[0130] FIG. 5 shows a perspective view of the battery mounting system 100, particularly the height and width of the heat shield element 119. 5 shows the horizontal battery cell surface 107-1 shown in FIG. 2 and the vertical battery cell surface 107-2 shown in FIG. 107-2 is shown schematically.

[0131] FIG. 5 shows the first heat shield element 119-1 shown in FIG.

[0132] The heat shield elements 119, 119-2 are arranged along the longitudinal direction 121 within each battery cell row 105. The battery cell 101 is disposed between two adjacent battery cells 101 and has an opening 125. Adjacent battery cells 101 are electrically connected to each other through the

[0133] 3, the first heat shield element 119-1 shown in FIG. 5 is smaller. The first opening 125-1 has a large diameter, and the pole 109, particularly the At least one positive electrode 109-2 or an electrical connection element 111 connected to this electrode 109 is The electrical connection element 111 is also housed in a multi-part form. The mounting element 115 is disposed on the second battery cell 101-2. It accommodates the cell ends 117 .

[0134] 3, the first heat shield element 119-1 shown in FIG. 5 has a larger Each of the second openings 125-2 has a second opening 125-2 having a larger diameter. In the battery cell row 105, one of two adjacent battery cells 101 along the longitudinal direction 121 is , at least in the form of multiple parts.

[0135] FIG. 5 shows a first battery cell 101-1 and a second battery cell 101-2. Only the heat shield element 119-1 is shown, so the additional second battery cell 101-2 is not shown in FIG. In particular, the heat shield element 119 is not shown in the selected representation. arranged adjacent to each other in a highly spaced and / or tightly coupled manner. The battery cells 101 are connected to each other adjacent to each other in each battery cell row 105, particularly by welding. are.

[0136] FIG. 6 shows a schematic representation of the battery mounting system according to the above embodiment in another perspective view.

[0137] FIG. 6 shows a perspective view of the battery mounting system 100, particularly the height and width of the heat shield element 119. 6 shows the horizontal battery cell surface 107-1 shown in FIG. 2 and the vertical battery cell surface 107-2 shown in FIG. 107-2 is shown schematically.

[0138] FIG. 6 shows the second heat shield element 119-2 shown in FIG.

[0139] The heat shield elements 119, 119-2 are arranged along the longitudinal direction 121 within each battery cell row 105. 6. The opening 125 is disposed between two adjacent battery cells 101. , and adjacent battery cells 101 are electrically connected to each other through openings 125.

[0140] For technical reasons, FIG. 6 does not show the number of battery cells in each of the second horizontal battery cell levels 107-1. Only the second battery cell 101, particularly the second battery cell 101-2, is shown, and therefore the horizontal battery cell level The second battery cells 101-2 are electrically connected to the first battery cell 107-1. , specifically only the contact area 113 is shown without the second battery cell 101-2.

[0141] The second heat shielding elements 119-2 shown in FIG. 6 are each made up of a plurality of batteries arranged in parallel with each other. Between two battery cells 101 in a cell row 105, a space is arranged along the longitudinal direction 121. It has been done.

[0142] Therefore, the heat shielding elements 119 shown in the embodiment, particularly the first and second heat shielding elements 119-1 and 119-2, 19-2 ensures an effective thermal boundary between adjacent battery cells 101 along the longitudinal direction 121 do. [Explanation of symbols]

[0143] 100 Battery Mounting System 101 Battery Cell 101-1 First battery cell 101-2 Second battery cell 103 Mounting Housing 105 Battery Cell Row 105-1 1st battery cell row 105-2 Second battery cell row 105-3 3rd battery cell row 107-1 Horizontal battery cell surface 107-2 Vertical battery cell surface 109 Electrode 109-1 Negative electrode 109-2 Positive electrode 111 Electrical connection element 111-1 First electrical connection element 113 Contact area 115 Mounting element 117 Cell Edge 119 Heat shielding element 119-1 First heat shield element 119-2 Second heat shield element 121 Longitudinal 123 Transverse 125 opening 125-1 First opening 125-2 Second opening 127 offset 129 Degassing valve

Claims

1. A battery mounting system (101, 101-1, 101-2) for mounting a plurality of battery cells (101, 101-1, 101-2) in an electric vehicle ( 100) and a mounting housing (103) for accommodating the plurality of battery cells (101, 101-1, 101-2); A plurality of battery cells (101, 101-) housed in the mounting housing (103) 1, 101-2) and A plurality of electrical connection elements (111, 111-1); In a battery mounting system (100) having at least one heat shielding element (119, 119-1, 119-2), And, The battery cells (101, 101-1, 101-2) are arranged in parallel to one another in a plurality of battery cell rows (105, 105-1, 105-2, 105-3), and the battery cell rows (105, 105-1, 105-2, 105-3) The battery cells (101, 101-1, 101-2) extend along a longitudinal direction (121), Each of the plurality of electrical connection elements (111, 111-1) is connected to a respective one of the battery cell rows (105, 105- Two adjacent battery cells (101, 105-2, 105-3) along the longitudinal direction (121) are arranged in the battery cell (10). 1, 101-1, 101-2) are conductively connected to each other to form the respective battery cell rows (105, 105-1, 105-2, 105- 3) provides an electrical series connection of The at least one heat shield element (119, 119-1, 119-2) is provided for each of the battery cell rows (10 Two adjacent battery cells (105-1, 105-2, 105-3) along the longitudinal direction (121) are arranged in the battery cell (105-1, 105-2, 105-3). 101-1, 101-1, 101-2), and the battery cell rows (105, 105-1, 105-2, 105-3) are arranged between the battery cell rows (105, 105-1, 105-2, 105-3). ) to provide a heat shield between two adjacent battery cells (101, 101-1, 101-2) A battery mounting system (100).

2. The at least one heat shield element (119, 119-1, 119-2) is connected to the plurality of electrical connection elements (111, 111-1) and each of the battery cell rows (10 One of the two adjacent battery cells (101, 101-1, 101-2) in the battery cell stack (105, 105-1, 105-2, 105-3) The battery mounting system (100) of claim 1, wherein the battery mounting system (100) is disposed between:

3. In each of the battery cell rows (105, 105-1, 105-2, 105-3), along the longitudinal direction (121), The heat shielding element (119, 101-1, 101-2) is disposed between two adjacent battery cells (101, 101-1, 101-2). 19-1, 119-2) extend along a transverse direction (123) perpendicular to the longitudinal direction (121).

3. The battery mounting system (100) according to claim 1 or 2.

4. The heat shielding element (119, 119-1, 119-2) has at least one opening (125, 125-1, 125-2). In each of the battery cell rows (105, 105-1, 105-2, 105-3), two adjacent batteries The battery cell (101, 101-1, 101-2) on one side of the cells (101, 101-1, 101-2) is inserted through the opening (125 , 125-1, 125-2) in the form of at least a plurality of parts, or One of the electrical connection elements (111, 111-1) is connected to the opening (125, 125-1, 125-2) are arranged in the form of at least a plurality of portions, and each of the battery cell rows (10 Conduction between two adjacent battery cells (101, 101-1, 101-2) in the The battery mounting system (100) of any one of claims 1 to 3, providing a connection.

5. The at least one heat shield element (119, 119-1, 119-2) comprises a heat shield plate, The battery mounting system (100) according to any one of claims 1 to 4.

6. The at least one heat shielding element (119, 119-1, 119-2) is arranged parallel to each other. The plurality of battery cell rows (105, 105-1, 105-2, 105-3) are adjacent to each other along the longitudinal direction (121). The at least one shielding member is disposed between each of the two battery cells (101, 101-1, 101-2). The thermal elements (119, 119-1, 119-2) are arranged in parallel with each other to heat the entire battery cell row (10 Two adjacent battery cells (105-1, 105-2, 105-3) along the longitudinal direction (121) are arranged in the battery cell (105-1, 105-2, 105-3). The battery device according to any one of claims 1 to 5, wherein the electrodes are arranged between the electrodes 101-1, 101-1, and 101-2. Mounting system (100).

7. The battery cell rows (105, 105-1, 105-2, 105-3) arranged parallel to each other have the same polarity. and / or the battery cell rows (105, 105-1, 105-2, 105-3) arranged parallel to each other Two adjacent battery cell rows (105, 105-1, 105-2, 105-3) in The battery mounting system (100) according to any one of claims 1 to 6, )。

8. The battery cells belonging to different battery cell rows (105, 105-1, 105-2, 105-3) are arranged adjacent to each other. The two battery cells (101, 101-1, 101-2) are arranged without any offset (127) from each other. and / or belong to different battery cell rows (105, 105-1, 105-2, 105-3) and are mutually The two adjacent battery cells (101, 101-1, 101-2) are The offset (127) is arranged in the battery cell row (1) with an offset (127). 105-1, 105-2, 105-3) extending along the longitudinal direction (121). The battery mounting system (100) described above.

9. The battery cells belonging to different battery cell rows (105, 105-1, 105-2, 105-3) are arranged adjacent to each other. The two battery cells (101, 101-1, 101-2) have an offset (127) from each other. The battery mounting system (100) is arranged so as to include at least one first heat shielding element (119, 119-1 ) and at least one second heat insulating element (119, 119-2), and ) and the second heat insulating element (119, 119-2) are offset from each other, in particular, the offset (12 7) and offset by the previous battery cell row (105, 105-1, 105-2, 105-3) The battery cells (101, 101-1, 101-2) are arranged adjacent to each other along the longitudinal direction (121). The battery mounting system (100) of claim 8,

10. Each of the first heat insulating element and the second heat insulating element (119, 119-1, 119-2) has at least one The electrode has two first openings (125, 125-1), and the electrode is disposed in the first openings (125, 125-1). In the cell row (105, 105-1, 105-2, 105-3), two adjacent cells are arranged along the longitudinal direction (121). One electrode (109, 109-1, 109-2) of the battery cell (100, 100-1, 100-2), particularly the positive electrode (109-2), and / or the first heat shield element and the second heat shield element are accommodated in at least a multi-part form. Each of the elements (119, 119-1, 119-2) has at least one second opening (125, 125-2); Within the second openings (125, 125-2), the respective battery cell rows (105, 105-1, 105-2, 105-3) One of the two battery cells (100, 100-1, 100-2) adjacent to each other along the longitudinal direction (121) The battery mounting system according to claim 9, wherein each of the battery mounting system and the battery charger is housed in at least a multi-part form. Stem (100).

11. One of the plurality of electrical connection elements (111, 111-1) is Each of them has a contact area (113), and the contact areas (113) are adjacent along the longitudinal direction (121). The electrodes (109, 109-1, 109-2) of the two battery cells (101, 101-1, 101-2), in particular the positive electrodes (1 09-2) and adjacent to each other along the longitudinal direction (121). The negative pole (109-1) is electrically connected to the other pole (109, 109-1, 109-2) of the negative electrode (109-1). The battery mounting system (100) according to any one of claims 1 to 10.

12. The contact area (113) is firmly bonded to at least one of the electrodes (109), in particular the positive electrode (109-2). and in particular by welding, soldering and / or gluing, in particular by bonding said at least one heat shield The elements (119, 119-1, 119-2) are connected to the respective electrical connection elements (111, 111-1). The electrical connection element (111, 111-1) is disposed between the pole (109, 109-1, 109-2), Item 12. The battery mounting system (100) according to item 11.

13. The battery mounting system (100) is spaced apart from one another, particularly the battery cell rows (105, 105-1 , 105-2, 105-3) a plurality of heat shielding elements (119, 119- The mounting housing (103) includes a plurality of heat shielding elements (119, 119-1, 119-2). ) each heat shield element (119, 119-1, 119-2) of each of the battery cell rows (105, 105-1, 105-2, Two different battery cells (101, 101-1, 105-3) adjacent to each other along the longitudinal direction (121) 101-2) and arranged between the respective battery cell rows (105, 105-1, 105-2, 10 5-3) between the plurality of adjacent battery cells (101, 101-1, 101-2) along the longitudinal direction (121) The battery mounting system (100) according to any one of claims 1 to 12, which ensures a heat shield.

14. The at least one heat shield element (119, 119-1, 119-2) is provided for each of the battery cell rows (10 Two adjacent battery cells (105-1, 105-2, 105-3) along the longitudinal direction (121) are arranged in the battery cell (105-1, 105-2, 105-3). 101-1, 101-2) in a strongly coupled manner and in a highly reliable manner. and / or in a less rigid manner as claimed in any one of claims 1 to 13. A battery mounting system (100).

15. Each of the battery cells (101, 101-1, 101-2) has at least one degassing valve (129); The degassing valve (129) is adapted to release the gas in the event of overpressure in each of the battery cells (101, 101-1, 101-2). , designed to release gas from the battery cells (101, 101-1, 101-2), Another degassing valve (129) is provided for each of the electrodes (109) of the battery cells (101, 101-1, 101-2), in particular 15. The method according to claim 1, wherein the cathode (109-2) or the anode (109-1) is disposed in the spatial vicinity of the cathode (109-2) or the anode (109-1). The battery mounting system (100) described above.

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