CN219321545U - Battery and electricity utilization device - Google Patents

Abstract

The application discloses battery and power consumption device, battery include a plurality of battery module that arrange along first direction, and each battery module includes a plurality of battery cells and tie down, and a plurality of battery cells arrange along the second direction, and the second direction is perpendicular to first direction. Wherein, the tie down of at least two adjacent battery module misplaces in the third direction, and the third direction intersects with first direction and second direction respectively. Through setting up the tie, connect a plurality of battery monomer and spacing, the tie of two adjacent battery module misplaces in the third direction, can be with the tie along the reasonable setting of third direction, avoid the tie overlap increase battery module space that occupies, improved the space energy density of battery.

Description

Battery and electricity utilization device

Technical Field

The present disclosure relates to battery technology, and particularly to a battery and an electric device.

Background

With the development of new energy technology, batteries are increasingly used in electric vehicles, mobile communication devices, notebook computers, battery cars, electric airplanes, electric toys and electric tools.

At present, in addition to improving the efficiency and reliability of a battery, how to improve the energy density of the battery is one of the important points of research.

Disclosure of Invention

In view of the above, the present application provides a battery and an electric device capable of improving the energy density of the battery.

In a first aspect, the present application provides a battery comprising a plurality of battery modules arranged along a first direction, each battery module comprising a plurality of battery cells and a tie down, the plurality of battery cells being arranged along a second direction, the second direction being perpendicular to the first direction. Wherein, the tie down of at least two adjacent battery module misplaces in the third direction, and the third direction intersects with first direction and second direction respectively.

In the technical scheme of this application embodiment, through setting up the constraint, connect a plurality of battery monomers and spacing, the constraint of two adjacent battery module misplaces in the third direction, can rationally set up the constraint along the third direction, avoids the space that constraint overlap increase battery module occupy, has improved the space energy density of battery.

In some embodiments, the battery module further includes two end plates arranged in the second direction, and the plurality of battery cells are stacked between the two end plates. The tie-down connects the two end plates to integrate the plurality of battery cells. Set up the end plate to with interconnect between two end plates and the constraint, constitute wholly a plurality of battery monomers, can carry out spacingly to a plurality of battery monomers, restrict the battery monomer and remove along first direction, improve the wholeness of battery and battery module's assembly efficiency.

In some embodiments, the tie down comprises a steel band disposed around the battery cells. The steel belt is convenient to install, and structural strength is high, surrounds a plurality of battery monomers with the constraint piece, can guarantee battery module structure's stability, reduces deformation or displacement that battery monomer inflation leads to, improves the reliability of battery.

In some embodiments, the number of steel strips is a plurality, the plurality of steel strips being disposed parallel to one another. Through setting up a plurality of steel bands, can improve battery module's stability, the atress stability of battery module can be guaranteed to the steel band mutual parallelism.

In some embodiments, the end plate is provided with a limiting groove, and at least part of the tie-down is accommodated in the limiting groove. Through setting up the spacing groove, restriction tie down moves along the end plate, reduces battery module and receives the removal of tie down that the striking or battery monomer took place to warp the time lead to, guarantees the relative fixation of tie down position, improves the reliability of battery.

In some embodiments, the end plate includes a body, a first protrusion and a second protrusion protruding from the body and spaced apart along a third direction. The first bulge, the second bulge and the body enclose to form a limit groove, and the third direction is mutually perpendicular to the first direction and the second direction. Through setting up first arch and second arch, with the position restriction of tie between first arch and second arch, prevent that tie from moving relative end plate, improve battery module's stability.

In some embodiments, the plurality of battery modules includes a first battery module and a second battery module disposed adjacent to each other. The limiting groove of the end plate of the first battery module and the limiting groove of the end plate of the second battery module are arranged in a staggered mode along a third direction, and the third direction is perpendicular to the first direction and the second direction.

In some embodiments, the battery further comprises a housing, and the plurality of battery modules are housed in the housing. The end plate is provided with a first positioning structure, the box body is provided with a second positioning structure, and the first positioning structure is matched with the second positioning structure. Through setting up first location structure and second location structure, can be convenient for the location between battery module and the box, improve the efficiency of battery module assembly.

In some embodiments, the first positioning structure includes a positioning hole and the second positioning structure includes a positioning post inserted into the positioning hole. The structure of locating hole and reference column, the production of being convenient for is convenient for simultaneously operate, puts into the locating hole with the reference column and can realize positioning assembly efficiency height.

In a second aspect, the present application provides an electrical device, which includes a battery in the above embodiment, where the battery is used to provide electrical energy.

The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.

Drawings

Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic illustration of a vehicle according to some embodiments of the present application;

FIG. 2 is a schematic illustration of an exploded construction of a battery according to some embodiments of the present application;

fig. 3 is a schematic exploded view of a battery cell according to some embodiments of the present application;

fig. 4 is a schematic structural view of a battery module according to some embodiments of the present application;

FIG. 5 is a schematic structural view of an end plate according to some embodiments of the present application;

fig. 6 is a schematic structural view of an end plate according to other embodiments of the present application.

Detailed description of the reference numerals

1000. A vehicle; 100. a battery; 200. a controller; 300. a motor; x, a first direction; y, second direction; z, third direction; 10. A case; 11. a first portion; 12. a second portion 13, an accommodation space; 14. a battery module; 20. a battery cell; 21. an end cap assembly; 22. a housing; 23. a cell assembly; 24. an explosion-proof valve; 25. an electrode terminal; 30. a tie-down; 40. an end plate; 401. a limit groove; 402. a body; 403. a first protrusion; 404. a second protrusion; 405. a first positioning structure; 406. and a second positioning structure.

Description of the embodiments

Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

At present, the new energy automobile market is rapidly developed, a battery is used as a power source of the new energy automobile, and the reliability of the battery is crucial to the whole vehicle system. How to increase the energy density of the battery is also an important point of research in the art.

A plurality of battery modules are arranged in the battery, and the battery modules comprise binding pieces which are arranged around the battery cells. The positions of the binding pieces of the battery modules in the height direction are consistent, the binding pieces of two adjacent battery modules overlap, and the minimum width between the two battery modules is the thickness of the two binding pieces. The application provides a battery and power consumption device to foretell technical problem, and battery module sets up along first direction. And, connect and spacing a plurality of battery monomers through setting up the constraint, the constraint of two adjacent battery module misplaces in the third direction, can be with the constraint along the reasonable setting of third direction, avoid the constraint overlap increase battery module along the width of first direction, increased the space that battery module occupy, improved the space energy density of battery.

The battery cell disclosed by the embodiment of the application can be used in electric devices such as vehicles, ships or aircrafts, but is not limited to the electric devices. The power supply system with the battery-composed power utilization device disclosed by the application can be used, so that the energy density of the battery can be improved.

For convenience of description, the following embodiment will take an electric device according to an embodiment of the present application as an example of the vehicle 1000.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the present application. The vehicle 1000 may be a fuel oil vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle. The battery 100 is provided in the interior of the vehicle 1000, and the battery 100 may be provided at the bottom or the head or the tail of the vehicle 1000. The battery 100 may be used for power supply of the vehicle 1000, for example, the battery 100 may be used as an operating power source of the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to power the motor 300, for example, for operating power requirements during start-up, navigation, and travel of the vehicle 1000.

In some embodiments of the present application, battery 100 may not only serve as an operating power source for vehicle 1000, but may also serve as a driving power source for vehicle 1000, instead of or in part instead of fuel oil or natural gas, to provide driving power for vehicle 1000.

Referring to fig. 2, fig. 2 is an exploded view of a battery 100 according to some embodiments of the present application. The battery 100 includes a case 10 and a battery cell 20, and the battery cell 20 is accommodated in the case 10. The case 10 is used to provide the accommodating space 13 for the battery cell 20, and the case 10 may have various structures. In some embodiments, the case 10 includes a first portion 11 and a second portion 12, the first portion 11 and the second portion 12 being mutually covered, the first portion 11 and the second portion 12 together defining a receiving space 13 for receiving the battery cell 20. The second portion 12 may be a hollow structure with one end opened, the first portion 11 may be a plate-shaped structure, and the first portion 11 covers the opening side of the second portion 12, so that the first portion 11 and the second portion 12 together define a containing space; the first portion 11 and the second portion 12 may be hollow structures each having an opening at one side, and the opening side of the first portion 11 is engaged with the opening side of the second portion 12. Of course, the case 10 formed by the first portion 11 and the second portion 12 may be of various shapes, such as a cylinder, a rectangular parallelepiped, or the like.

In the battery 100, the plurality of battery cells 20 may be connected in series, parallel or a series-parallel connection, wherein the series-parallel connection refers to that the plurality of battery cells 20 are connected in series or parallel. The plurality of battery cells 20 can be directly connected in series, in parallel or in series-parallel, and then the whole body formed by the plurality of battery cells 20 is accommodated in the box 10. Of course, the battery 100 may also be a battery module formed by connecting a plurality of battery cells 20 in series or parallel or series-parallel connection, and a plurality of battery modules are then connected in series or parallel or series-parallel connection to form a whole and are accommodated in the case 10. The battery 100 may further include other structures, for example, the battery 100 may further include a bus member for making electrical connection between the plurality of battery cells 20.

Wherein each battery cell 20 may be a secondary battery or a primary battery; but not limited to, lithium sulfur batteries, sodium ion batteries, or magnesium ion batteries. The battery cell 20 may be in the shape of a cylinder, a flat body, a rectangular parallelepiped, or other shapes, etc.

Referring to fig. 3, fig. 3 is a schematic exploded view of a battery cell 20 according to some embodiments of the present disclosure. The battery cell 20 refers to the smallest unit constituting the battery. As shown in fig. 3, the battery cell 20 includes an end cap assembly 21, a housing 22, a cell assembly 23, and other functional components.

The end cap assembly 21 refers to a member that is capped at the opening of the case 22 to isolate the internal environment of the battery cell 20 from the external environment. Without limitation, the shape of the end cap assembly 21 may be adapted to the shape of the housing 22 to mate with the housing 22. Alternatively, the end cap assembly 21 may be made of a material having a certain hardness and strength (such as an aluminum alloy), so that the end cap assembly 21 is not easily deformed when being extruded and collided, and the battery cell 20 has a higher structural strength, and the safety performance is improved. The end cap assembly 21 may be provided with functional components such as electrode terminals 25. The electrode terminals 25 may be used to electrically connect with the cell assembly 23 for outputting or inputting electric power of the battery cell 20. In some embodiments, the end cap assembly 21 may also be provided with a pressure relief mechanism for relieving the internal pressure of the battery cells 20 when the internal pressure or temperature reaches a threshold. The material of the end cap assembly 21 may be various, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which is not particularly limited in the embodiment of the present application. In some embodiments, insulation may also be provided on the inside of the end cap assembly 21, which may be used to isolate electrical connection components within the housing 22 from the end cap assembly 21 to reduce the risk of short circuits. By way of example, the insulation may be plastic, rubber, or the like.

The housing 22 is an assembly for mating with the end cap assembly 21 to form the internal environment of the battery cell 20. Wherein the resulting internal environment may be used to house the cell assembly 23, electrolyte, and other components. The housing 22 and the end cap assembly 21 may be separate components, and an opening may be provided in the housing 22 to form the internal environment of the battery cell 20 by covering the opening with the end cap assembly 21. It is also possible to integrate the end cap assembly 21 and the housing 22, but specifically, the end cap assembly 21 and the housing 22 may form a common connection surface before other components are put into the housing, and when it is necessary to encapsulate the inside of the housing 22, the end cap assembly 21 is then covered with the housing 22. The housing 22 may be of various shapes and sizes, such as rectangular parallelepiped, cylindrical, hexagonal prism, etc. Specifically, the shape of the housing 22 may be determined according to the specific shape and size of the cell assembly 23. The material of the housing 22 may be various, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which is not particularly limited in the embodiments of the present application.

The cell assembly 23 is a component in which electrochemical reactions occur in the battery cells 20. One or more battery cell assemblies 23 may be contained within the housing 22. The cell assembly 23 is mainly formed by winding or stacking a positive electrode sheet and a negative electrode sheet, and a separator is generally provided between the positive electrode sheet and the negative electrode sheet. The parts of the positive electrode plate and the negative electrode plate with active substances form the main body part of the battery cell assembly, and the parts of the positive electrode plate and the negative electrode plate without active substances form the electrode lugs respectively. The positive electrode tab and the negative electrode tab may be located at one end of the main body portion together or located at two ends of the main body portion respectively. During charge and discharge of the battery, the positive electrode active material and the negative electrode active material react with the electrolyte, and the tab is connected with the electrode terminal to form a current loop.

Referring to fig. 4 to 6, fig. 4 is a schematic structural diagram of a battery module 14 according to some embodiments of the present application; FIG. 5 is a schematic illustration of the structure of an end plate 40 according to some embodiments of the present application; fig. 6 is a schematic structural view of an end plate 40 according to other embodiments of the present application.

As shown in fig. 4, the embodiment of the present application provides a battery 100 including a plurality of battery modules 14 arranged along a first direction X, each battery module 14 including a plurality of battery cells 20 and a tie down 30, the plurality of battery cells 20 being arranged along a second direction Y, the second direction Y being perpendicular to the first direction X. Wherein the tie down members 30 of at least two adjacent battery modules 14 are arranged offset in a third direction Z, which intersects the first and second directions.

In the technical scheme of this embodiment, through setting up tie down 30, connect and spacing a plurality of battery monomers 20, tie down 30 of two adjacent battery module 14 misplaces in third direction Z, can be with tie down 30 along the reasonable setting of third direction Z, avoid tie down 30 overlap increase battery module 14 occupation's space, improved battery 100's space energy density.

In some embodiments of the present application, the battery module 14 further includes two end plates 40 arranged in the second direction Y, and the plurality of battery cells 20 are stacked between the two end plates 40. Tie down 30 connects two end plates 40 to integrate the plurality of battery cells 20. The end plates 40 are arranged, the two end plates 40 are connected with the binding piece 30, the battery cells 20 are integrally formed, the battery cells 20 can be limited to prevent the battery cells 20 from moving along the second direction Y, and the integrity of the battery 100 and the assembly efficiency of the battery module 14 are improved.

In some embodiments, the third direction Z is perpendicular to the first direction X and the second direction Y, and the first direction X may be a thickness direction of the battery cell 20, the second direction Y may be a width direction of the battery cell, and the third direction may be a height direction of the battery cell 20.

In some embodiments of the present application, tie down 30 comprises a steel band disposed around battery cells 20. The thickness of the steel strip is 1mm to 4mm, for example. The steel belt is convenient to install, and structural strength is high, surrounds a plurality of battery monomers 20 with the tie down 30, can guarantee the stability of battery module 14 structure, reduces deformation or displacement that battery monomer 20 inflation leads to, improves the reliability of battery 100.

In some embodiments of the present application, the number of steel strips is a plurality, and the plurality of steel strips are disposed in parallel with each other. For example, the steel strips may be provided in two. By arranging a reasonable number of steel belts, the stability of the battery module 14 can be improved, and the steel belts are mutually parallel, so that the stress stability of the battery module 14 can be ensured.

As shown in fig. 5, in some embodiments of the present application, the end plate 40 is provided with a limiting groove 401, and at least a portion of the tie down 30 is received in the limiting groove 401. By arranging the limiting groove 401, the movement of the restraint member 30 along the end plate 40 is limited, the movement of the restraint member 30 caused when the battery module 14 is impacted or the battery cell 20 is deformed is reduced, the relative fixing of the position of the restraint member 30 is ensured, and the reliability of the battery 100 is improved.

Alternatively, two ends of the end plate 40 along the second direction Y may be provided with one limit groove 401, respectively. Through setting up two spacing grooves 401, fixing tie-down 30 that can be better further guarantees tie-down 30's location effect.

In some embodiments of the present application, the end plate 40 includes a body 402, a first protrusion 403 and a second protrusion 404, where the first protrusion 403 and the second protrusion 404 protrude from the body 402 and are disposed at intervals along a third direction Z, and the third direction Z is perpendicular to the first direction X and the second direction Y. The first protrusion 403, the second protrusion 404, and the body 402 enclose to form a limiting groove 401. By providing the first projection 403 and the second projection 404, the position of the tie down 30 is limited between the first projection 403 and the second projection 404, preventing the tie down 30 from moving relative to the end plate 40, and improving the stability of the battery module 14.

In some embodiments of the present application, the plurality of battery modules 14 includes a first battery module and a second battery module disposed adjacent to each other. The limit groove 401 of the end plate 40 of the first battery module and the limit groove 401 of the end plate 40 of the second battery module are arranged in a staggered manner along a third direction Z, and the third direction Z is perpendicular to the first direction X and the second direction Y.

As shown in fig. 6, in some embodiments of the present application, the battery 100 further includes a case 10, and a plurality of battery modules 14 are accommodated in the case 10. The end plate 40 is provided with a first positioning structure 405, the box 10 is provided with a second positioning structure 406, and the first positioning structure 405 and the second positioning structure 406 are matched. By providing the first positioning structure 405 and the second positioning structure 406, positioning between the battery module 14 and the case 10 can be facilitated, and the efficiency of assembling the battery module 14 can be improved.

In some embodiments of the present application, the first positioning structure 405 includes a positioning hole and the second positioning structure 406 includes a positioning post inserted into the positioning hole. The structure of locating hole and reference column, the production of being convenient for is convenient for simultaneously operate, puts into the locating hole with the reference column and can realize positioning assembly efficiency height.

According to some embodiments of the present application, there is also provided an electrical device comprising a battery 100 as described in any of the above aspects, and the battery 100 is configured to provide electrical energy to the electrical device. The powered device may be any of the devices or systems described above that employ battery 100.

The embodiment of the application provides an electricity consumption device using a battery 100 as a power source, which may be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft, and the like. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric plane toys, and the like, and the spacecraft may include planes, rockets, space planes, and spacecraft, and the like.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A battery (100) comprising a plurality of battery modules (14) arranged along a first direction (X), each battery module (14) comprising a plurality of battery cells (20) and a tie down (30), the plurality of battery cells (20) being arranged along a second direction (Y), the second direction (Y) being perpendicular to the first direction (X);

wherein the tie-down members (30) of at least two adjacent battery modules (14) are arranged in a staggered manner in a third direction (Z), which intersects the first direction (X) and the second direction (Y) respectively.

2. The battery (100) of claim 1, wherein the battery module (14) further comprises two end plates (40) arranged along the second direction (Y), the plurality of battery cells (20) being stacked between the two end plates (40);

the tie down (30) connects the two end plates (40) to integrate the plurality of battery cells (20).

3. The battery (100) of claim 2, wherein the tie down (30) comprises a steel band disposed around the battery cell (20).

4. A battery (100) according to claim 3, wherein the number of said steel strips is plural, the plural steel strips being arranged in parallel with each other.

5. The battery (100) according to claim 2, wherein the end plate (40) is provided with a limiting groove (401), at least part of the tie down (30) being accommodated in the limiting groove (401).

6. The battery (100) of claim 5, wherein the end plate (40) includes a body (402), a first protrusion (403) and a second protrusion (404), the first protrusion (403) and the second protrusion (404) protruding from the body (402) and being spaced apart along a third direction (Z);

the first protrusion (403), the second protrusion (404) and the body (402) enclose to form the limit groove (401), and the third direction (Z) is perpendicular to the first direction (X) and the second direction (Y).

7. The battery (100) of claim 5, wherein the battery is configured to provide the battery with a battery power,

the plurality of battery modules (14) includes first and second battery modules disposed adjacent one another;

the limiting grooves (401) of the end plate (40) of the first battery module and the limiting grooves (401) of the end plate (40) of the second battery module are arranged in a staggered mode along a third direction (Z), and the third direction (Z) is perpendicular to the first direction (X) and the second direction (Y).

8. The battery (100) of any of claims 2-7, wherein the battery (100) further comprises a housing (10), the plurality of battery modules (14) being housed within the housing (10);

the end plate (40) is provided with a first positioning structure (405), the box (10) is provided with a second positioning structure (406), and the first positioning structure (405) is matched with the second positioning structure (406).

9. The battery (100) of claim 8, wherein the first positioning structure (405) includes a positioning hole and the second positioning structure (406) includes a positioning post inserted into the positioning hole.

10. An electrical consumer, characterized in that the electrical consumer comprises a battery (100) according to any one of claims 1-9, the battery (100) being adapted to provide electrical energy.

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