WO2012104396A1

WO2012104396A1 - Bracing devices for electrochemical energy storage module

Info

Publication number: WO2012104396A1
Application number: PCT/EP2012/051808
Authority: WO
Inventors: Nikolaus Daubitzer; Martin Engelhardt; Thomas Heckenberger; Thomas Himmer; Lars Ludwig; Michael Moser; Heiko Neff; Rudolf Riedel; Caroline Schmid; Holger Schroth; Martin Steinbach; Florian Moldovan
Original assignee: Behr Gmbh & Co. Kg
Priority date: 2011-02-02
Filing date: 2012-02-02
Publication date: 2012-08-09
Also published as: DE102011003535A1; DE112012000649A5

Abstract

The invention relates to a device for bracing an electrochemical energy storage module (1) with a cooler (5) which comprises at least one heat transition surface for transferring thermal energy, the energy storage module comprising at least one contact surface for the heat transition surface to rest on and at least two module supports (12) which are arranged on two opposite sides of the energy storage module. The device comprises a clamping plate (15) having at least two connecting elements (18), arranged at opposite ends of the clamping plate, for connecting the clamping plate to the module supports, the clamping plate being designed such as to enclose at least part of the circumference of the cooler and as to exert a bracing force onto at least sections of a side of the cooler facing away from the heat transition surface when the clamping plate is connected to the module supports.

Description

Strainers for electrochemical

ENERGY STORAGE MODULE

The present invention relates to a device for clamping an electrochemical energy storage module with a cooler _» an energy storage device, and to a method for producing an energy storage device according to the main claims.

In order to ensure the longevity of a battery during charging, discharging or storage and to ensure its optimum performance during operation, it is necessary to keep the battery within a defined temperature range, so that the battery is neither too hot nor too cold. For this purpose, the battery or a stack is equipped with a cooler or a heater, which causes or maintains the optimum battery temperature. The cooler, however, develops its maximum effectiveness only with its optimal connection to the battery.

It is the object of the present invention to provide an improved device for clamping an electrochemical energy storage module with a cooler, an improved energy storage device, and an improved method for manufacturing an energy storage device. This object is achieved by a device for clamping an electrochemical energy storage module with a cooler, an energy storage device, and a method for producing an energy storage device according to the main claims. The present invention is based on the finding that for a connection of a battery cooler to a battery bracing devices with different clamping concepts can be used. Furthermore, interface materials can be used which reduce the heat transfer resistance between radiator and battery or increase the usable cooling area in order to achieve an optimal connection between the radiator and the battery. A thermally optimal connection of a cooling plate to the battery can be achieved by a uniform distribution of contact pressure. For this purpose, plastically preformed or pre-bent means can be used in order to be able to apply a surface-distributed force in one plane.

Advantageously, a reduction of a heat transfer resistance between an energy storage module and a temperature control unit can be achieved by using a bracing device as presented here. As a result, complex work steps, such as soldering or welding, as well as gluing can be superfluous. Reducing labor costs can result in lower production costs.

The present invention provides a device for clamping an electrochemical energy storage module with a cooler, which has at least one heat transfer surface for transferring heat energy and wherein the energy storage module has at least one contact surface for applying the heat transfer surface and at least two module carrier disposed on two opposite sides of the energy storage module are. The clamping device has a clamping plate with at least two connecting elements arranged at opposite ends of the clamping plate for connecting the clamping plate to the module carrier. like, wherein the Spannblecb is formed to enclose the radiator partially circumferentially and exert a clamping force on at least portions of a side facing away from the heat transfer surface side of the radiator when the clamping plate is connected to the module carriers. An electrochemical energy storage module can be understood to mean a device that can convert electrical energy into chemical energy by an electrochemical reaction and store it, and / or convert chemical energy stored in the reverse electrochemical reaction into electrical energy, and convert it to at least two electrical energy Can provide contacts. For example, an electrochemical energy storage module may be a battery or a rechargeable battery. The electrochemical energy storage module may comprise a one-piece housing or a multi-part housing, which may have at least one contact surface, which is suitable for mounting a cooler. The housing may have stiffening elements in order to achieve increased stability of the housing. Stiffening elements may be, for example module carrier. Under a cooler, a device can be understood that absorb and dissipate thermal energy or can supply and deliver. For example, the cooler may be a heat exchanger. The cooler may have at least one heat transfer surface to be disposed on the electrochemical energy storage module. Under a clamping plate can be understood a flat component, which may have an extension from a first module carrier to a second module carrier. A size of the clamping plate can essentially correspond to a size of the contact surface. The clamping plate may have recesses for compensating for irregularities of the radiator. A connecting element may be a device for connecting the clamping plate to one of the module carriers. The connection can be made by material connection, positive connection and additionally or alternatively by force fit. When connecting a clamping force can be exerted on the clamping plate, which can exert the clamping plate at least partially normal to the contact surface as a clamping force on the radiator. Under the characteristic "two Module carrier "can be understood according to the invention also a one-piece module, which has two module carrier, which are arranged on two opposite sides of the energy storage module.

According to one embodiment of the present invention, the connecting elements of the clamping plate may have a biasing force directed pre-bend when the clamping plate is not connected to the module carriers. Further, the clamping plate can evenly distribute the clamping force on the radiator or portions of the radiator when the clamping plate is connected to the module carriers. A pre-bend may be taken to mean a plastic deformation, so that the ends of the clamping plate are bent away from the energy storage module when the clamping plate is not connected to the module carriers. When the clamping plate is connected to the module carriers, a spring force which counteracts an elastic deformation of the pre-bend can increase the clamping force, and at the same time transfer the clamping force uniformly to the cooler. In this case, the clamping plate can be in direct or indirect contact with the radiator.

According to a further embodiment, the device may comprise at least one clamping body for arranging between the radiator and the clamping plate. A clamping body can be understood as a pressure element which can transmit the clamping force from the clamping plate to the cooler when the clamping plate is connected to the module carriers. In this case, a clamping body can deflect the clamping plate out of a plane in order to cause the clamping force of the clamping element from the clamping force of the clamping plate. Furthermore, a clamping body according to the invention can also be understood to mean a push-in clamping body, a clamping slide, a clamping block, a clamping wedge, an oval bar or an equivalent embodiment.

In this case, a state of the clamping body can be changed from a first state to a second state, wherein the clamping body in the first state, a lower clamping force on the radiator or portions of the radiator as in the second state exerts when the clamping plate is connected to the module carriers. Under a first state, a state during assembly can be understood. Under a second state, a strained state can be understood. For example, the clamping body in the second state, at least normal to the radiator have a greater extent than in the first state. As a result, the clamping plate can be elastically stretched and exert an increased clamping force in the clamping plate a larger clamping force on the radiator, as when the clamping body is in the first state. Furthermore, the clamping body can have at least one point of force application for changing the clamping body from the first state to the second state. Additionally or alternatively, the clamping body may comprise a latching device, which is designed to allow a change of the clamping body from the first state to the second state and to prevent a return from the second state to the first state. A force application point can be understood as meaning a means for moving at least part of the clamping body. In this case, the movement can be translational and / or rotational. The force application point may take various forms. For example, a tab, a bridge, a plate, a head or a gear. The force application point can transmit the movement to the tensioning body. A latching device can be understood to mean a shape on the clamping body which, in interaction with surrounding edges and / or surfaces, prevents an independent state change. For example, a latching device may be a snap spring, a cotter pin, or a fuse wire. Likewise, the latching device may briefly have a greater extent normal to the radiator during a latching, as in the second state. As a result, a state change back to the first state can be inhibited by a necessary activation force. The clamping body can be designed to distribute the clamping force evenly on the radiator or portions of the radiator when the clamping plate Connected to the module carriers, for example, a single clamping body can bring about a continuous deflection of an areal distribution of the clamping force. Likewise, a plurality of clamping bodies can effect a uniform distribution of the clamping force on the plurality of clamping bodies via one deflection of the clamping plate on each one of the clamping bodies. By varying a degree of deflection, the clamping force can also be distributed unevenly.

In a further embodiment, the clamping body may comprise means for receiving a heating element. A heating element may be a means for supplying thermal energy. For example, the heating element may be a heating wire. As a result, heat energy can be supplied to the energy storage module when the cooler does not emit energy.

Furthermore, the invention also provides an energy storage device with a cooler, with at least one heat transfer surface for transferring heat energy. Furthermore, the energy storage device comprises an energy storage module with at least one contact surface for applying the heat transfer surface and at least two module carriers, which are arranged on two opposite sides of the energy storage module, wherein the cooler is arranged on the contact surface. Furthermore, the energy storage device has a device for clamping the electrochemical energy storage module with the radiator according to an embodiment of the invention, wherein the connecting elements are connected to the module carriers _» and the clamping plate surrounds the radiator at least partially and the clamping plate a clamping force on at least portions of a heat transfer surface exerted side of the radiator.

In this case, an intermediate material can be arranged between the cooler and the energy storage module, which compensates for unevennesses of the heat transfer surface and additionally or alternatively the contact surface via a plastic and additionally or alternatively an elastic deformation. Under a Intermediate material can be understood as an interface material, that is to say as a means of reducing a heat transfer resistance. For example, the interface material may increase a contact area between the radiator and the energy storage module. The interface material can have good heat conduction properties. As a result, the interface material can form thermal bridges within the bumps and thereby reduce the heat transfer resistance.

Furthermore, the invention comprises a method for producing an energy storage device, comprising a step of providing a cooler, with at least one heat transfer surface for transferring heat energy. Furthermore, the method comprises a step of providing an energy storage module with at least one contact surface for applying the heat transfer surface and at least two module carriers, which are arranged on two opposite sides of the energy storage module. Furthermore, the method comprises a step of providing a device for clamping an electrochemical energy storage module with a cooler having a clamping plate with at least two opposing connecting elements for connecting the clamping plate to the module carriers, wherein the clamping plate is designed to enclose the cooler part of the circumference, and a Apply clamping force on at least portions of a side remote from the heat transfer surface side of the radiator, when the clamping plate is connected to the module carriers. The method also includes a step of placing the radiator on the energy storage module, wherein the heat transfer surface is applied to the abutment surface. Furthermore, the method comprises a step of connecting the connecting elements to the module carriers in order to partially enclose the cooler with the clamping plate, and to exert a clamping force on at least partial regions of a side of the cooler facing away from the heat transfer surface. Advantageous embodiments of the present invention will be explained below with reference to the accompanying drawings. Show it;

1 shows a schematic two-dimensional representation of the assembly Batte- rie;

Figure 2 is a perspective view of a battery with module carrier.

Fig. 3 is a perspective view of a battery with laminated heat sink cooler;

Fig. 4 is a perspective view of a battery with extrusion profile cooler;

5 is a perspective view of a battery with cooler and tensioning device.

Figure 6 is a perspective view of a tension of a battery with radiator on clamping body.

7 is a perspective view of a tension of a battery with a radiator via a module carrier with integrated bracing device;

8 is a perspective view of a battery with a cooler and a recessed clamping device; Figure 9 is a perspective view of a battery with cooler and slot-strap clamping.

10 shows a three-dimensional representation of a tension of a battery with a cooler via a plug-in tensioning body: Figure 1 1 is a perspective view of a tension of a battery with radiator on articulated insert clamping body.

Fig. 12 is a perspective view of an articulated insert clamping body; Fig. 13 is a perspective view of a contiguous articulated insert clamping body;

14 is a perspective view of a battery with unclamped radiator and bracing device with Spannschiebern.

Fig. 15 is a perspective view of an unstressed tensioning device with Spannschiebem;

16 is a perspective view of a battery with strained radiator and bracing device with Spannschiebern.

Fig. 1 7 is a perspective view of a battery with unstressed radiator and bracing device with clamping cubes; Fig. 18 is a perspective view of a clamping cuboid;

19 shows a detail of a cross section of a battery with unstressed radiator and bracing device with clamping cuboid; 20 is a perspective view of a battery with strained cooler and bracing device with clamping cuboid;

21 shows a detail of a cross section of a battery with strained cooler and bracing device with clamping cuboid; 22 shows a detail of a three-dimensional representation of a battery with cooler and bracing device with clamping cuboid and alternative end piece of the clamping cuboid;

FIG. 23 shows a detail of a cross section of a battery with an unclamped cooler and a clamping device with a clamping cuboid and a resilient element; FIG.

24 shows a detail of a cross section of a battery with strained cooler and bracing device with clamping cuboid and resilient element;

Fig. 25 is a perspective view of a battery with a chuck and tensioning device with clamping wedge and wedge tensioner; Fig. 26 is a perspective view of a clamping wedge and Keii tensioner;

27 shows a detail of a cross section of a battery with unclamped radiator and bracing device with clamping wedge and wedge tensioner;

FIG. 28 is a detail of a cross section of a battery with strained cooler and tensioning device with clamping wedge and wedge tensioner; FIG.

FIG. 29 shows a three-dimensional view of a battery with a cooler and a bracing device with clamping wedge plate; FIG.

Figure 30 is a detail of a cross section of a battery with unstressed radiator and bracing device with clamping wedge plate. Figure 31 is a perspective view of a battery with unstressed radiator and bracing device with oval rod. FIG. 32 shows a section of a longitudinal section of a battery with unstressed radiator and bracing device with oval rod; FIG.

, 33 shows a three-dimensional view of a battery with strained cooler and bracing device with oval bar and securing pin;

34 shows a detail of a longitudinal section of a battery with strained cooler and bracing device with oval rod; 35 is a perspective view of a battery with unstressed radiator and bracing device with elastic tensioning mat.

FIG. 36 is a perspective view of various elastic tension mats; FIG. FIG. 37 shows a detail of a plan view of a battery with an unstressed cooler and a tensioning device with an elastic tension mat; FIG.

FIG. 38 is a detail of a top view of a battery with a clamped cooler and a tensioning device with an elastic tension mat; FIG.

39 is a detail of a plan view of a battery with unclamped radiator and bracing device.

FIG. 40 shows a detail of a plan view of a battery with a braced cooler and bracing device; FIG.

, 41 is a detail of a plan view of a battery with strained cooler and bracing device with contiguous clamping body; FIG. 42 shows a three-dimensional view of a battery with an unclamped radiator and a tensioning device with an erecting clamping plate; FIG.

Fig. 43 is a perspective view of various erecting clamping plates; FIG. 44 shows a detail of a three-dimensional representation of a battery with an unclamped radiator and a bracing device with an erecting clamping plate; FIG.

45 is a detail of a plan view of a battery with unstressed radiator and bracing device with erection clamping plate.

FIG. 46 is a detail of a three-dimensional view of a battery with a clamped cooler and a tensioning device with a mounting clamping plate; FIG.

47 shows a detail of a plan view of a battery with strained cooler and bracing device with set-up clamping plate;

FIG. 48 shows a detail of a top view of a battery with a cooler and a tensioning device with a resilient element; FIG.

FIG. 49 shows a detail of a plan view of a battery with cooler and bracing device with expanding material; FIG. Fig. 50 is a perspective view of a battery with cooler and bracing device with elastic Pfro fen;

Fig. 51 is a perspective view of an elastic plug mat; FIG. 52 shows a detail of a top view of a battery with an unstressed cooler and a bracing device with elastic plugs; FIG. FIG. 53 is a detail of a plan view of a battery with a strained cooler and a bracing device with elastic plugs; FIG.

FIG. 54 shows a detail from a top view of a battery with strained cooler and bracing device with elastic plug and resilient element; FIG.

FIG. 55 is a perspective view of an elastic plug mat as an extrusion part; FIG.

FIG. 56 shows a schematic two-dimensional representation of the assembly battery with adaptation or gill plate; FIG.

Fig. 57 is a perspective view of a matching or gill plate;

FIG. 58 is a perspective view of a portion of a trim or gill plate; FIG.

FIG. 59 shows a spatial representation of a section of an alternative adaptation or gill plate; FIG.

Figure 60 a perspective view of a detail of an alternative ANPAS ^¬ tration or gills sheet. Fig. 61 is a perspective view of a portion of an alternative adapter or gill plate;

FIG. 62 is a perspective view of a portion of an alternative fitting or dimple embossing plate; FIG. FIG. 63 shows a spatial representation of a section of an alternative adaptation or dimple embossing plate; FIG.

FIG. 64 is a perspective view of a section of an alternative adaptation or dimple embossing plate; FIG. and

FIG. 65 shows a spatial illustration of an embodiment of a battery with cooler and tensioning device similar to FIG. 5.

In the following description of the preferred embodiments of the present invention, the same or similar reference numerals are used for the elements shown in the various drawings and similar, and a repeated description of these elements will be omitted. For a complete list of reference numerals, a list of reference numerals is attached.

Fig. 1 shows a schematic two-dimensional representation of the assembly battery and Fig. 2 shows a spatial representation of a corresponding battery with module carrier. The battery 1 consists essentially of one or more battery stacks 1 which are connected in series and / or parallel to each other electrically 3. The stacks 1 can be arranged side by side, behind or one above the other. The battery 1 and / or the stack 1 may be equipped with further electronic components 4. The battery 1 is usually enclosed by a housing 13. The stack 1 consists essentially of a plurality of successively arranged cells 2, which are interconnected electrically 3. In order to grasp and position the cell composite of the stack 1, the stack 1 can be provided with a module carrier 12 which holds the cell assembly together in the x, y and z directions, if possible. The module carrier 12 may, for example, have a basket-like shape or be located outside. the plates or pressure bodies that hold the tents 2 via threaded rods.

In order to keep the battery 1 in a defined temperature range, the battery 1 or the stack 1 is equipped with a cooler or heater 5, which rather causes or maintains the optimum battery temperature. The cooler 5 flows through air, coolant or refrigerant, in the Reget, however, coolant.

FIG. 3 shows a three-dimensional view of a battery with laminated plate cooler, and FIG. 4 shows a three-dimensional representation of a corresponding battery with extrusion profile cooler.

The cooler 5 can be designed in different ways. Common is a all-aluminum cooler 5, which is formed for example by laminations 6 or extrusion profiles 7. In the case of extrusion profiles 7 e.g. Flat tubes are thereby gripped at the ends via collecting boxes 8. The extrusion profiles 7 may be spaced apart from each other. The cooler 5 may have a cover or stiffening plate 9, which is mounted on the top and / or bottom of the radiator 5. The cooler 5 is supplied via lines 10 with the coolant. The cooler 5 may also be provided with electrical heating components 11 e.g. Heating wire be equipped to the Kühltnitte! and / or to heat the battery 1.

In principle, a stack 1 can be equipped with a plurality of coolers 5 by introducing the coolers 5, for example, between the individual cells 2. In general, however, the stack 1 or the battery 1 is provided only with a cooler 5, which is then attached over or above or on the sides of the stack 1 area. Shown is the second case. The cooler 5 stands in direct or indirect contact with the outer skin of the cells 2. In order to achieve the best possible efficiency of the cooler 5 in operation, it is necessary to reduce the heat transfer resistance between the cooler 5 and stack 1. For this purpose, a cohesive connection of the two components would be best suited, but this is usually not practical in real applications. The solution presented here therefore provides a tension 14 of the radiator 5 against the battery / stack 1, wherein with sufficiently high pressure and a uniform distribution of the same to the joint surfaces, the surface unevenness and roughness of the two joining partners are compensated to a possible from a thermal point of view, make high-quality contact between cooler 5 and stack 1. In this case, the space requirement of Verspannmechanismus 14 should be as low as possible. The same applies to the production costs and assembly costs.

For the sake of simplicity, the cooler 5 is always shown as an extrusion-profile cooler 7, 5 in the illustrations of the stress directions 14 below. However, the device presented here may in principle relate to each cooler 5 regardless of design and type. For reasons of clarity, the representation of collecting boxes 8 and lines 10 is dispensed with. Also, the illustrations of the radiator 5 consistently show the underside of the battery 1 as the joint of the radiator 5. However, the variants, designs and bracing regulations remain unrestricted to this application.

5 shows a three-dimensional representation of a battery with cooler and clamping device, and FIG. 6 shows a spatial representation of a tension of a corresponding battery with cooler via clamping body.

The bracing device 14 here represents a flexible, elastic tensioning band 1 5 or tensioning plate 15. This consists for example of aluminum or steel, preferably spring steel. Also a plastic is conceivable. The clamping plate 15 contacts the cooler 15 and the clamping body 16 s. below and is connected under tension with the module carrier 12 or the housing 13, so that the cooler 5 is pressed against the battery 1. The connection of the bracing device to the module carrier or the housing 18 can be brought about materially by welding or soldering or by screwing, riveting or inserting. Even a positive hooking / hooking or clipping is conceivable.

The cooler 5 itself can be carried out with clamping bodies 16, via which the clamping pressure is introduced to the cooler 5. The clamping body 16 rise at regular intervals from the radiator 5, and can be performed depending on the position on the radiator 5 at different heights. The attached in the central region of the cooler 5 clamping body 16 may be higher in an increasing manner than outside, to achieve a uniform pressure distribution on the radiator 5 outside as well as in the middle. If the cooler 5 is a cooler 7, 5 with several extrusion profiles z. B. flat tubes, and these are spaced apart and connected to each other via a cover plate 9 s. 5 and 6, the clamping bodies 16 can be applied between the extrusion profiles 7 on the cover plate 9, so that the clamping bodies 16 can also have the function of a spacer element 16 when they contact the extrusion profiles 7. The clamping body 16 may be made of plastic or metal, for example. Are extrusion profile 7, cover plate 9 and clamping body 16 made of aluminum, they can be soldered together in a suitable manner. The clamping body 16 may have recesses or holes 17, which serve as receptacles for heating elements 17 such as an electric heating wire.

FIG. 7 shows a spatial representation of a tension of a battery with a cooler via module carriers with integrated bracing device. Module carrier 12 and bracing device 14 are a part 19, preferably a metal sheet. So that the battery 1 can absorb the clamping forces of the module carrier with integrated bracing device 19, without causing the position of the Battery 1 is affected, the module carrier with integrated bracing device 19 has a resiliently flexible hook 20 which is connected and held on the cooling plate 5 opposite side of the battery 1 with this by hanging, with a pronounced elastic deformation of the hook 20th set in this assembly step, which causes a permanent distortion of the radiator 5 with the battery 1.

Fig. 8 shows a three-dimensional view of a battery with cooler and recessed clamping device. The bracing device 14 has recesses 22, whereby a plurality of bracing strips 23 is formed in the bracing device 14. As a result, the different pressures of the cooler 5 occurring in the joining region against the battery 1, which arise due to the locally varying unevennesses of the joining surface of the cooler 5 and / or the joining surface of the battery 1, can be more individual and therefore more precise when clamping the tensioning strips 23 can be adjusted so that unwanted pressure fluctuations can be reduced. The bracing device 14 has, for example, holes for screwing 21 with the module carrier 12 or the housing 13, so that during the screwing the tensioning device 14 is subjected to voltage, and is pressed due to the cooler 5 against the battery 1.

Fig. 9 shows a three-dimensional view of a battery with cooler and slot-strap bracing. The bracing device 14 has a plurality of openings / slots 24. The module carrier 12 has a plurality of tabs 25. The assembly process can take place in several steps. When tensioning the radiator 5 against the battery 1, the tabs 25 are inserted into the openings / slots 24. The tabs 25 are then bent in the clamping direction by up to 180 °. At the tabs 25 is pulled in the tensioning direction, so that the bracing device 14 is pressed against the radiator 5. The elastically and plastically deformed tabs 25 are maintaining the voltage connected to the module carrier 12, whereby the compressive stress between the cooler 5 and battery 1 is permanently "frozen",

Fig. 10 shows a three-dimensional representation of a tension of a battery with radiator via plug-in clamping body. Moduit carrier 12 and Verspannungsvorrich- device 14 or housing 13 and bracing device 14 are here first firmly connected, but not under increased voltage, the distortion of the cooler 5 with the stack 1 by means of bracing device 14 is done later by the insertion tension body 26 into the space 27 between cooler 5 and bracing device 14 are introduced. In that the height of the tension body 26 exceeds the height of the gap 27, the required compressive stress is produced during insertion. The clamping bodies 26 can also act either directly via the cooler 5, or via a cover plate 9, for example, if the extrusion profiles 7 of the cooler 5 are spaced from each other. Accordingly, the term intermediate space 27 may be understood as meaning the space between the tensioning device 14 and the cooler 5 or the space between the tensioning device 14 and the cover plate 9.

Fig. 1 1 shows a spatial representation of a strain of a Baierie with cooler on articulated insert clamping body and Fig. 12 is a three-dimensional view of an articulated insert clamping body. Fig. 13 shows a spatial representation of a coherent articulated insertion chuck body. The insert clamping body 28 designed here is referred to as an articulated insert clamping body 28. It is carried out with a plurality of tension shoes 29 and tension shoe connectors 30 and a connecting rail 31. The tension shoe connector 30 connects tension shoe 29 and connecting rail 31. The assembly process can proceed in two steps. The tensioning shoes 29 are inserted into the recesses 22 of the bracing device 14 perpendicular to the radiator 5 in the intermediate space 27. Subsequently the clamping shoes 29 are inserted horizontally to the radiator 5 in the gap 27 between the radiator 5 and the plate 15 of the bracing device 14. The connecting rail 31 serves as a holding element.

By the height of the clamping shoes 29 exceeds the height of the gap 27, the required compressive stress is produced during insertion. The distance between the tension shoe 29 and the connecting rail 31 exceeds the sheet metal thickness 15 of the bracing device 14. A plurality of articulated insert clamping bodies 28 can be provided in order to ensure a uniform compressive stress. The individual articulated insertion clamping bodies 28 can be connected to one another, or ultimately only one coherent part, so that the connecting rail 31 can be referred to as a connecting plate 32. Elevations and depressions (not shown) can be provided on the described elements, which causes the articulated clamping body 28 to engage in the cooler 5 or in the bracing device 14 during assembly, so that unintentional release of the insert clamping body 28 is prevented becomes. The articulated insert clamping body 28 may be made of a metal or a plastic. FIG. 14 shows a three-dimensional view of a battery with unstressed radiator and tensioning device with tension slides. FIG. 15 shows a three-dimensional representation of an unstressed tensioning device with tension slides. FIG. FIG. 16 shows a three-dimensional representation of a battery with strained radiator and tensioning device with tension slides.

Again, before the actual bracing the bracing device 14 must be joined and connected to the module carrier 12. Instead of a slide-in clamping body while a cocking slide 33 is used for clamping. The cocking slide 33 is essentially a flat or wavy thereby spring tension during insertion or profiled sheet 33. The cocking slide 33 is via a slot 24 in the bracing device 14 in this brought in. The cocking slide 33 is inserted into the slot 24 of the tensioning device 14 in the intermediate space 27. By the height of the cocking slide 33 exceeds the height of the gap 27, the required compressive stress is created during insertion. The cocking slide 33 may have at the respective ends of thickening or widening or bent portions which prevent release of the cocking slide 33 of the bracing device 14 before and / or after the bracing of the cooler 5. It can be provided a plurality of Spannschiebern 33. The cocking slide 33 may be contiguous. The bracing device 14, 34, for example, as a sheet metal can also have a corrugated or contoured contour 34, for example, to facilitate the insertion of clamping bodies 26, 28 or clamping slides 33 or other subsequently introduced clamping elements and / or even to achieve a resilient and thus bracing effect ,

FIG. 17 shows a three-dimensional representation of a battery with an unclamped cooler and a clamping device with a clamping cuboid. Fig. 18 shows a spatial representation of a Spannquaders. FIG. 19 shows a detail of a cross section of a battery with unstressed radiator and tensioning device with clamping cuboid. FIG. 20 shows a three-dimensional representation of a battery with clamped cooler and clamping device with clamping cuboid. Fig. 21 shows a detail of a cross section of a battery with strained cooler and bracing device with clamping cuboid. FIG. 22 shows a detail of a three-dimensional representation of a battery with cooler and bracing device with clamping cuboid and alternative end piece of the clamping cuboid.

Instead of a plug-in clamping body or a clamping slide, a clamping cuboid 35 is used for clamping. The clamping cuboid 35 is essentially a rectangular bar. At the two ends of the Spannquaders 36 may be present from the middle of the rod 37 different form. Of the Clamping block 35 is positioned between the mounting fixture 14 and the cooler 5. The center piece of the clamping square 37 is rectangular in cross section. Thus, it has here a long 38 and a short 39 page, In the untensioned state is the short side 39 of the center of the Spannquaders 37 orthogonal to the radiator 5. This short side 39 is smaller or equal to the distance between Vorspannungsvornchtung 14 and cooler fifth , which corresponds to the height of the intermediate space 27, or between Verspannungsvornchtung 14 and a cover plate 0 of the radiator 5,

The long side 38 is greater than the distance between Verspannungsvorrich- device 14 and radiator 5, which corresponds to a height of the gap 27, or between Verspannungsvornchtung 14 and a cover plate 9 of the radiator 5, the clamping cube 35 is now rotated by 90 °, so the long side of the center piece of the Spannquaders 38 is orthogonal to the radiator 5, the clamping cuboid 35 braces the radiator 5 against the Vorspannungsvornchtung 14 and the radiator 5 is thus pressed against the battery 1. A "snapping back" or, automatically turning back the clamping cube 35 in the untensioned state is prevented due to its rectangular cross-sectional shape, the corners of the tensioning cube can be rounded or taken. The end piece of the Spannquaders 36, which projects beyond the actual stack 1, may have a special shape or geometry to mechanically enable the rotation of the clamping cube 35 during the clamping process or to simplify machine.

If, for example, the cooler 5 is formed by extrusion profiles 7 and these are spaced apart from each other and the extrusion profiles 7 are connected to a cover plate 9, the clamping cubes 35 can be introduced between the extrusion profiles 7. This reduces the overall height of the cooler 5 together with Verspannapparat 14, and is often desirable for reasons of limited space available. The end piece of the Spannquaders 36 may be formed so that it does not or only slightly surmounted in the tensioned state, the height of the gap 27 on the one hand, and on the other hand with the two adjacent extrusion profiles 7 approximately contacted in order to position the clamping cube 35 lasting. It can be provided a plurality of clamping squares 35.

FIG. 23 shows a detail of a cross section of a battery with an unclamped radiator and a clamping device with a clamping cuboid and a resilient element. Fig. 24 shows a detail of a cross section of a battery with strained radiator and bracing device with clamping cuboid and resilient element. The clamping cubes 35 are installed between the extrusion profiles 7. In addition, a resilient element 40, e.g. wavy or profiled spring plate introduced into the gap 27. The resilient element 40 is located between clamping cuboid 35 and cooler 5 on the one hand and bracing device 14 on the other hand and contacts at least the clamping cubes 35 and the bracing device 14. When tensioning the clamping block 35, ie the 90 ° twist thereof, the resilient element 40 deforms elastically and in the form that the resilient element 40 is stretched over the bracing device 14 against the radiator 5, which in turn is pressed against the battery 1.

25 shows a three-dimensional representation of a battery with a chuck and tensioning device with clamping wedge and wedge tensioner. Fig. 26 shows a perspective view of a clamping wedge and wedge tensioner. FIG. 27 shows a detail of a cross section of a battery with unstressed radiator and clamping device with clamping wedge and wedge tensioner. Fig. 28 shows a detail of a cross section of a battery with strained cooler and bracing device with clamping wedge and wedge tensioner.

In this embodiment, the exciting element is not a slide-in clamping body, a clamping slide or a clamping block, but the complementary components clamping wedge 41 and wedge tensioner 42. The clamping wedge or clamping wedges 41 are in introduced the gap 27 and contact on the one hand the radiator 5 and on the other hand, the wedge clamp 42. The wedge clamp 42 in turn contacted on the one hand the clamping wedges 41 and on the other hand, the bracing device 14. The wedge clamp 42 is a loose component. The clamping wedges 41 are positioned in relation to the cooler 5, or connected thereto. The clamping wedges 41 are essentially rods with a wedge-shaped cross-sectional shape, the wedge tensioner 42 is essentially a plate or sheet with wedge-shaped elevations 43, which correspond to the clamping wedges 41. As in the previous variants, the bracing device 14 is already firmly connected to the module carrier 12 before the actual bracing. Similar to one of the variants shown here, namely the cocking slide 33, the bracing device 14 may be partially slotted 24 in the lateral area. The attachment mechanism of the wedge-tensioner 42 penetrates the slots 24 in the untensioned state. When tightening the wedge tensioner 42 is further inserted into the bracing device 14. The wedges of the wedge-tensioner 42 and the wedges of the clamping wedge 41 thereby slide along each other, so that due to the wedge-shape, the clamping wedges 41 are clamped against the radiator 5 and the wedge-tensioner 42 is clamped against the bracing device 14. The radiator 5 is consequently pressed against the battery 1. Once tensioned, the attachment mechanism of the wedge tensioner 44 prevents the wedge tensioner 42 from snapping back and thus releasing the tension. The wedge tensioner 42 is preferably a plastic part.

Fig. 29 shows a three-dimensional view of a battery with cooler and clamping device with clamping wedge plate. Fig. 30 shows a detail of a cross section of a battery with unstressed cooler and bracing device with clamping wedge plate.

The exciting element is in this embodiment, the clamping wedge plate 45. The clamping wedge plate 45 is introduced into the intermediate space 27 and contacted on the one hand the radiator 5 and on the other hand, the bracing device 14. Die Clamping plate 45 is a loose component. The clamping wedge plate 45 is essentially a plate or plate with a wedge-shaped cross-sectional shape,

The bracing device 14 is in its radiator 5 facing shape with the clamping wedge plate 45 compliant, and therefore has a sloping connection surface. As in the previous variants, the bracing device 14 is already firmly connected to the module carrier 12 before the actual bracing. Similar to one of the preceding variants [clamping slide 33], the bracing device 14 can be partially slotted 24 in the lateral area. The fastening mechanism of the clamping wedge plate 46 penetrates the slots 24 in the untensioned state. When clamping the clamping wedge plate 45 is further inserted into the bracing device 14. The clamping wedge plate 45 thereby slides along the cooler 5 and the bracing device 14, so that due to the angular contact surface of the clamping wedge plate 45 with the bracing device 14, the clamping wedge plate 45 is clamped against the radiator 5 and against the bracing device 14. The radiator 5 is consequently pressed against the battery 1. Once tensioned, the attachment mechanism of the tension wedge plate 46 prevents the tension wedge plate 45 from snapping back and thus releasing the tension. The clamping wedge plate 45 and the tensioning device 14 are preferably made of plastic in this embodiment.

Fig. 31 shows a three-dimensional view of a battery with unstressed radiator and bracing device with oval rod. FIG. 32 shows a detail from a longitudinal section of a battery with unstressed radiator and bracing device with oval rod. 33 shows a three-dimensional representation of a battery with strained cooler and bracing device with oval rod and securing tongue. Fig. 34 shows a detail of a longitudinal section of a battery with strained radiator and bracing device with oval rod. This variant differs from previous variants in principle only in the cross-sectional shape of the clamping element, which is in this variant of an oval shape and not rectangular. The clamping element is therefore referred to in this embodiment as an oval-shaped rod 47 and not as a jaw 35. in contrast to the jigging 35, which is self-locking _» 47 measures must be taken in the oval-rod, a" snapping back "or automatic turning back of the oval Prevent rod 47 in the untensioned state. For this purpose, the oval rods 47 are provided, for example in the tensioned state, with a securing pin 49 penetrating the oval rods 47, which freezes the angle of rotation of the oval rods 47. The oval bars 47 can contact the extrusion profiles 7 themselves in the case of a cooler 5 with extrusion profiles 7 or with spacer plates 48 which are introduced between the extrusion profiles 7 and project slightly beyond them. Unlike in one of the preceding variants, the clamping elements in the associated representations do not run parallel but transversely to the radiator.

FIG. 35 shows a three-dimensional representation of a battery with an unclamped radiator and a tensioning device with an elastic tension mat. FIG. 36 shows a spatial representation of various elastic tension mats. Fig. 37 shows a detail of a plan view of a battery with unstressed radiator and bracing device with elastic tensioning mat. Fig. 38 shows a detail of a plan view of a battery with strained cooler and bracing device with elastic tensioning mat.

Instead of clamping body, an elastic tensioning mat 50 is used. The variant does not require a cover plate 9 of the cooler 5 in the case of an extrusion profile cooler 7, 5. In the intermediate region 27 between cooler 5 and bracing device 14, an elastic tensioning mat 50 is introduced in the untensioned state. The elastic tensioning mat 50 is convex on at least one side. The other side may also be convex or flat. The convex side may face the radiator 5 and / or the bracing device 14 be and contacted in the untensioned state is not the entire surface with the cooler 5 and / or the bracing device 14,

The bracing takes place only with the attachment of the bracing device 14 on the module carrier 12. Then, the elastic tensioning mat 50 is elastically deformed and contacted, as a result of voltflächig with the cooler 5 and the bracing device 14. The bracing device 14 receives no later than a spherical meniscus contour, The convex shape of the elastic tensioning mat 50 is intended to allow a uniform pressure distribution to the radiator 5 in the outer and central region. The tensioning mat 50 can be preassembled with the cooler 5 or the tensioning device 14, for example, via a kind of "undercut anchor". The elastic tension mat 50 is preferably made of an elastomer, e.g. EPDM. A thermoplastic elastomer is conceivable. The elastic tensioning mat 50 may be grooved, for example, to increase the tolerance range during clamping over the entire surface and to increase the instep away or to save weight and material.

The bracing device 14, the module carrier 12 or the battery 1 may have a stop in order to limit the tension or the deformation of the tensioning mat 50. The stop defines the maximum approximation of the bracing device 14 to the battery 1 during bracing.

Fig. 39 shows a detail of a plan view of a battery with un tensioned radiator and bracing device. It does not use a chuck or elastic tension mat. In the intermediate region 27 between cooler 5 and bracing device 14 no additional element is introduced. Instead, only the bracing device 14 itself serves as a tensioning element. The bracing device 14 is for this purpose an elastic element, for example spring steel, and curved in the unstressed state in the surface convex. The bracing takes place only with the attachment of the bracing device 14 on the module carrier 12. Then the bracing device 14 is elastically deformed and contacted as a result of deformation in the contacting region almost full surface with the radiator 5. The bracing device 14 is thereby approximately in the contacting area flat. The originally convex shape of the bracing device 14 is intended to ensure a uniform pressure distribution on the cooler 5 in the outer as well as the central region in the braced state. In addition, the tensioning device 14 may be corrugated or profiled, thereby increasing the rigidity and transferable forces of the tensioning device 14.

Fig. 40 shows a detail of a plan view of a battery with strained cooler and bracing device. Fig. 41 shows a detail of a plan view of a battery with strained cooler and bracing device with contiguous clamping body.

The individual clamping bodies in the intermediate region 27 are formed into a continuous clamping body 51, e.g. Extrusion profile summarized.

FIG. 42 shows a three-dimensional view of a battery with an unclamped cooler and a bracing device with an unfolding clamping plate. Fig. 43 shows a three-dimensional representation of different set-up clamping plates. FIG. 44 shows a detail of a three-dimensional representation of a battery with an unstressed cooler and a tensioning device with an unfolding clamping plate. Fig. 45 shows a detail of a plan view of a battery with unstressed cooler and bracing device with Aufstell-clamping plate. Fig. 46 shows a detail of a three-dimensional representation of a battery with strained cooler and bracing device with set-up clamping plate. Fig. 47 shows a detail of a plan view of a battery with strained cooler and bracing device with set-up clamping plate. The exciting element is in this embodiment, similar to the wedge-tensioner and the clamping wedge plate Aufsteil clamping plate 52, the Aufstell-Spannpiatte 52 is introduced into the gap 27 and contacted on the one hand the cooler 5 and on the other hand, the bracing device 14. The erection Spannpiatte 52 is essentially a plate or plate with regularly recurring elevations 55, the installation area of the erecting Spannpiatte 55. These elevations 55 are in the untensioned state at an angle of less than 90 ° from the base plate of the erection Spannpiatte 52 away. The ends of the elevations 55 are fixedly positioned in relation to the cooler 5 in the untensioned as well as in the tensioned state.

If the radiator 5 is formed by a plurality of spaced-apart extrusion profiles 7 _'may be designed so the projections 55, that it onsprofilen in the unstressed, as well as in the tensioned state exactly in the area between the Extmsi- 7 can be positioned see, for example FIG. 42-47. As in some of the preceding variants, the bracing device 14 is already firmly connected to the module carrier 12 before the actual bracing. The bracing device 14 may be partially slotted 24 in the lateral region. These slots 24 are penetrated by tabs 54 of the erection Spannpiatte 52. The tensioning of the set-up Spannpiatte 52 is brought about by pulling on the tabs 54. As a result, the Aufstell- Spannpiatte 52 shifts relative to the tensioning device 14 and the radiator 5, whereby the elevations 55 thus raise due to their fixed positioning and are under tension. Thus, the elevations 55 are in the tensioned state at an angle of approximately 90 ° from the base plate of the erection Spannpiatte 52 away. The cooler 5 is thereby pressed against the battery 1.

After the voltage has been applied, the fastening mechanism of the erection plate 53 prevents the set-up clamping plate 52 or the setting region 55 from snapping back and thus releasing the tension. The attachment mechanism of the erecting Spannpiatte 53 may by one or more surveys 53 are formed on the underside of the set-up clamping plate 52. These attachment elevations 53 penetrate recesses 22 in the bracing device 14, the pairing fastening elevation 53 and recess 22 is matched with respect to their shape. When tightening the mounting projections 53 engage in a defined region of the recesses 22 a. For this purpose, the recesses 22 can have, for example, a bone-shaped contour, while the fastening elevations 53 are V-shaped. The erecting clamping plate 52 is preferably a plastic part.

Fig. 48 shows a detail of a plan view of a battery with cooler and bracing device with resilient element. Into the space 27 between the cooler 5 and the tensioning device 14 is one or more resilient elements 40, e.g. corrugated or profiled sheet of spring steel laid. When fastening the bracing device 14 to the module carrier 12, the resilient element 40 is partially compressed and thus elastically deformed.

Fig. 49 shows a detail of a plan view of a battery with cooler and bracing device with expanding material. Into the gap 27 between the cooler 5 and the tensioning device 14 is an expanding material 56, e.g. Polyurethane foam introduced. When expanding the material 56 of the cooler 5 is pressed by the increase in volume of the material 58 against the battery 1. The bracing device 14 must first be connected to the module carrier 12. The expanding material 56 may cure after expansion.

FIG. 50 shows a three-dimensional representation of a battery with a cooler and a tensioning device with elastic plugs. FIG. Fig. 51 shows a spatial representation of an elastic plug mat. FIG. 52 shows a detail of a top view of a battery with an unstressed cooler and a tensioning device with elastic plugs. Fig. 53 shows a detail of a plan view of a battery with strained cooler and bracing device with Elastic plug. Fig. 54 shows a detail of a plan view of a battery with strained cooler and bracing device with elastic plugs and resilient element. Fig. 55 shows a perspective view of an elastic plug mat as an extrusion part. The elastic element in this embodiment is the elastic plug or plugs 57. The elastic plugs 57 are introduced into the intermediate space 27 and contact the cooler 5 on the one hand and the bracing device 14 on the other hand. In addition, the elastic plugs 57 partially penetrate the bracing device 14 in the unstressed state which is provided with corresponding recesses 22 for this purpose. The elastic plug 57 is substantially cylindrical as a single piece, but has grooves and / or undercuts and tapered portions to pre-assemble the elastic plug 57 firstly with the recesses 22 of the tensioning device 14 in the untensioned condition, and vice versa snapping back after the voltage has been applied and thus preventing the voltage from loosening.

During clamping, the elastic plug 57 is pushed further into the intermediate region 27. As a result, it is braced between the cooler 5 and the tensioning device 14, whereby the cooler 5 is pressed against the battery 1, and deforms elastically. Due to its design with bevelled areas, the elastic plug 57 then remains in the tensioned state and does not slide back into the recess 22. The bracing device 14 is firmly connected to the module carrier 12 before the actual bracing in this embodiment. The elastic plugs 57 may be connected in the form of an elastic plug mat 58. The plugs 57 may be of different heights, in which case they are 58 higher in the central region of the plug. In a further embodiment, the plug 57 or the plug mat 58 is produced as an extrusion part 59, the plug 57 then not being cylindrical Has more shape but an elongated _» rod-shaped. The extrusion part

59 has a larger pressure surface and is more cost-effective to manufacture, but places greater demands on the tensioning device 14 in terms of strength. The elastic plugs 57, 58, 59 can be formed by a metal-elastic element or by a plastic. Preferably, the elastic plugs 57, 58, 59 are an elastomer or thermoplastic elastomer, e.g. TPE, TPV. A combination of plastic and metallic parts is conceivable. Between plugs 57, 58, 59 and cooler 5, a resilient element 40 may additionally be introduced. The plug 57, 58, 59 would not have to be elastic in this case, or to a lesser extent.

Fig. 56 shows a schematic two-dimensional representation of the assembly battery with adjustment or gill plate. In addition to the exemplary embodiments listed, it may be necessary to introduce intermediate materials, so-called interface materials, between cooler and battery or cell or stack in order to further improve the thermal contact. This may be necessary in particular if the unevenness and roughness of the parts to be joined are very pronounced and / or the radiator or the battery are made so rigid, so that a sufficient adaptation of the radiator to the interface surface of the battery by means of contact pressure Bracing causes no satisfactorily large contact areas. The interface material thus increases the effective heat-conducting contact surface or reduces the counteractive air inclusions between radiator and battery.

Fig. 57 shows a perspective view of a matching or gill plate. Fig. 58 is a perspective view of a portion of a trim or gill plate. Fig. 59 is a perspective view of a portion of an alternative adapter or gill plate. Fig. 60 is a perspective view of a portion of an alternative adapter or gill plate. FIG. 61 shows a spatial representation of a section of a alternative adaptation or gill-biting. FIG. 62 is a perspective view of a portion of an alternative fitting or dimpling embossing sheet. FIG. FIG. 63 shows a spatial representation of a section of an alternative adaptation or dimple embossing plate. FIG. 64 is a perspective view of a portion of an alternative fitting or dimpling embossing sheet; FIG.

The interface materials shown here can be of very different types and are fundamentally subdivided into the three groups of structural plates 60, adaptive intermediate media and integral connections, structural plates 60 can be soldered to the cooler. Structural sheets 60 as the adapter or gill plate 60 conform to the two contact surfaces when the radiator and battery are compressed. For this purpose, the structural plate 60 can be designed as a matching or knob / embossing plate 60, as a preformed domed sheet metal, or as a microstructure sheet. Likewise, structural sheets 60 can be designed as sheet metal sections or tips with different stiffnesses, as a corrugated embossing plate, as world-ribbed sheet metal or corrugated ribs, as an aluminum slotted foil. In the process, a slotted film is stretched, giving it a 3D surface. Furthermore, the structural sheet 60 can be designed as a sandwich honeycomb sheet, as a needled sheet metal, as a release liner with intermediate nubs made of elastomer, or as aluminum foil.

In addition to this, suitable intermediate media, such as heat-conducting film, heat-conductive silicone casting compound, plasticine, adhesive compound, aluminum flour, ceramic paste, copper paste, liquid metal, amorphous aluminum wool, PTC adhesive, phase change material, metal fleece, metal fleece, metal Velcro, metal Wool, metal flakes, compressible graphite foils, mounting foam; expanding graphite foam, liquid / spray rubber; or spray wax are used. For a connection of the illustrated structural plates with at least one of the contact surfaces can also cohesive connections, such as "baking", sintering with sintered intermediate material, vibration welding, micro-soldering, friction welding, or exothermic film welding For example, be applied with NiAl-nano-active films. Adhesive compounds for welding can also be a direct contacting cell with cooling center! enable,

FIG. 65 shows a three-dimensional representation of a battery with cooler and clamping device, which is similar to the exemplary embodiment of FIGS. 5 to 9. ,

The bracing device 14 here represents a flexible, elastic tensioning band 15 or tensioning plate 15 which, viewed over its length, has beads 64 that run parallel to the longitudinal edge. This strip or plate 15 is made, for example, of aluminum or steel, preferably spring steel. Also a plastic is conceivable. The clamping plate 15 contacts the cooler 15 below and is connected under tension with the module carrier 12 or the housing 13, so that the cooler 5 is pressed against the battery 1. The connection of the bracing device with the module carrier or the housing 18 can be brought about cohesively by welding or soldering or by screwing, riveting or insertion. Even a positive hooking / hooking or clipping is conceivable.

The beads 64 engage between the flat tubes and are supported at the bottom of the battery.

The described embodiments are chosen only by way of example and can be combined with each other. Reference list

I battery and / or battery stack

2 battery line

3 Electrical connection of the battery or cell

4 electronic components

5 coolers and / or heaters

8 laminated sheet structure of the cooler

7 extrusion profiles e.g. Flat tubes of the radiator

8 collection box of the cooler

9 deck or stiffening plate of the radiator

10 lines of the cooler

I I heater or heating wire of the radiator

12 battery or battery stack holders / carriers also module carrier

13 battery case

14 bracing device of the radiator

15 clamping plate or strap

18 clamping bodies or plates

17 Recording for heating wire

18 Connection bracing device - module carrier or connection bracing device - housing

19 Combination module carrier and bracing device

20 hooks

21 holes for screwing

22 recesses in bracing device

23 tension stripes

24 openings / slots in bracing device

25 tabs of the module carrier

26 insert clamping body

27 Space between radiator and bracing device 28 Articulated insert clamping body

29 tension shoe

30 tension shoe connectors

31 connecting rail

32 connection plate

33 cocking slide

34 Corrugated or profiled clamping plate

35 clamping cuboid

38 end piece of the tensioning block

37 Center piece of the clamping cube

38 Long side of the center piece of the cube

39 Short side of the center piece of the cube

40 spring element e.g. Spring steel sheet

41 clamping wedge

42 wedge tensioner

43 Kei I-shaped elevations of the wedge tensioner

44 Fastening device of the wedge-tensioner

45 clamping wedge plate

46 Fastening device of the clamping wedge plate

47 oval staff

48 distance tiles

49 cotter pin

50 Elastic tensioning mat

51 Connected tensioning body e.g. extrusion profile

52 Installation clamping plate

53 fixing device of the Aufstellspannplatte e.g. V-shaped elevations

54 tabs to pull

55 Installation area of the set-up clamping plate elevations

58 expanding material e.g. Polyurethane foam

57 Elastic plugs

58 Elastic plug mat 59 Elastic plug mat as extrusion part

60 Structured sheet metal, in particular adaptation, gills or nubs / embossing sheet

61 gills or lamellae

62 slotted pimples or embossing

63 embossing

64 beads

Claims

P a n t a n s p r e c h e

Device for clamping an electrochemical energy storage module (1) with a cooler (5), which has at least one heat transfer surface for transmitting heat energy, and wherein the energy storage module at least one contact surface for applying the heat transfer surface and at least two module carrier (12) _» at two each other A clamping plate (1 5) with at least two arranged at opposite ends of the clamping plate connecting elements (18) for connecting the clamping plate with the module carriers (12), wherein the clamping plate is formed is to enclose the radiator (5) partially encircled and exert a clamping force on at least portions of a side facing away from the heat transfer surface side of the radiator when the clamping plate is connected to the module carriers.

2. Device according to claim 1, wherein the connecting elements (18) of the clamping plate (15) have a biasing force opposing pre-bend when the clamping plate is not connected to the module carriers (12), and wherein the clamping plate uniformly the clamping force on the radiator (5) or parts of the cooler distributed when the clamping plate is connected to the module carriers. Device according to one of the preceding claims, comprising at least one clamping body (16) for arranging between the Kühfer (5) and the clamping plate (15).

4, Device according to claim 3, wherein a state of the clamping body (16) from a first state to a second state is variable, wherein the clamping body in the first state, a lower clamping force on the radiator (5) or portions of the radiator than in the second state exerts when the clamping plate is connected to the module carriers (12). 5. The apparatus of claim 4, wherein the clamping body (16) has at least one force application point (36) for changing the clamping body from the first state to the second state, and / or the clamping body has a latching device which is adapted to a change of Clamping body from the first state to the second state to enable and prevent a return from the second state to the first state.

Device according to one of claims 3 to 5, wherein the clamping body (16) is designed to distribute the clamping force evenly on the radiator (5) or portions of the radiator, when the clamping plate (15) is connected to the module carriers (12) ,

Device according to one of claims 3 to 6, wherein the clamping body (16) comprises means (17) for receiving a heating element.

8. An energy storage device, comprising: a radiator (5) having at least one heat transfer surface for transferring heat energy; an energy storage module (1) having at least one contact surface for applying the heat transfer surface and at least two M od u (tents (12), which are arranged on two opposite sides of the energy storage module, wherein the cooler is arranged on the contact surface and a device for Clamping the electrochemical energy storage module with the radiator according to one of claims 1 to 7, wherein the connecting elements are connected to the module carriers, and the clamping plate (15) surrounds the radiator at least part of the circumference, and the clamping plate a clamping force on at least portions of a side facing away from the heat transfer surface side of the radiator.

9. Energy storage device according to claim 8, wherein between the cooler (5) and the energy storage module (1) an intermediate material (60,61) is arranged, which via a plastic and / or elastic deformation unevennesses of the heat transfer surface and / or the contact surface balances.

10. A method of manufacturing an energy storage device, comprising the steps of:

Providing a cooler (5) having at least one heat transfer surface for transferring heat energy;

Providing an energy storage module (1) with at least one contact surface for applying the heat transfer surface and at least two module carriers (12) which are arranged on two opposite sides of the energy storage module;

Providing a device for clamping an electrochemical energy storage module with a cooler, with a clamping plate (1 5) with at least two opposite connecting elements (18) for connecting the clamping plate with the module carriers, wherein the

Clamping plate is formed to enclose the cooler part of the circumference, and exert a clamping force on at least portions of a side facing away from the heat transfer surface side of the radiator, when the clamping plate is connected to the module carriers;

Arranging the cooler on the energy storage module, wherein the heat transfer surface is applied to the contact surface; and connecting the connecting elements to the module carriers to communicate with the

Clamping to surround the radiator part of the circumference, and exert a clamping force on at least portions of a side remote from the heat transfer surface side of the radiator.