DE102008013523A1 - Solar module, has solar cells that are optically and mechanically coupled with optical concentrator device over optical coupling material and form hybrid concentrator-solar cells-component with device - Google Patents

Abstract

The module has an optical concentrator device (5) made of optical polymer and provided with optical concentrator elements (50) separately formed by front- and rear-sided encapsulation surface elements (1, 2) e.g. glass panels. Each concentrator element is spatially attached to one of solar cells (4) such that the concentrator elements guide large portion of light to a light incidence surface (40) of the associated cell. The cells are optically and mechanically coupled with the device over an optical coupling material (51) and form a hybrid concentrator-solar cells-component with the device.

Description

The The invention relates to a solar module with optical concentrator device according to the preamble of claim 1.

• • ein frontseitiges Verkapselungsflächenelement mit einem umlaufenden frontseitigen Randbereich;
• • ein rückseitiges Verkapselungsflächenelement mit einem umlaufenden rückseitigen Randbereich;
• • eine zumindest abschnittweise im oder benachbart zum rückseitigen Randbereich und zumindest abschnittsweise im oder benachbart zum frontseitigen Randbereich derart angeordnete Dichtungseinrichtung, dass sich ein Verkapselungsvolumen ausbildet, das durch eine innere Grenzfläche der Dichtungseinrichtung, eine innere Grenzfläche des rückseitigen Verkapselungsflächenelements und eine innere Grenzfläche des frontseitigen Verkapselungsflächenelements räumlich begrenzt ist,
• • eine Mehrzahl im Verkapselungsvolumen angeordneter und miteinander verschalteter Solarzellen, die jeweils eine Lichteintrittsfläche aufweisen, wobei die Summe aller Lichteintrittsflächen mindestens ein Viertel der inneren Grenzfläche des frontseitigen Verkapselungsflächenelements beträgt und
• • mindestens eine im Verkapselungsvolumen angeordnete optische Konzentratoreinrichtung mit einer Mehrzahl optischer Konzentratorelemente, wobei jedes optische Konzentratorelement jeweils mindestens einer der Solarzellen derart räumlich zugeordnet ist, dass die optischen Konzentratorelemente den Großteil des durch das frontseitige Verkapselungsflächenelement auf die optischen Konzentratorelemente einfallenden Lichts auf die Lichteintrittsfläche der zugeordneten Solarzelle lenkt.

For example, from the DE 298 233 51 U1 is a solar module with optical concentrator device with the following features:

• A front-side encapsulation surface element with a peripheral front edge region;
• A back encapsulating sheet with a circumferential back edge region;
• An at least partially in or adjacent to the rear edge region and at least partially in or adjacent to the front edge region such arranged sealing device that an encapsulation volume forms, by an inner interface of the sealing device, an inner boundary surface of the back Verkapselungsflächenelements and an inner boundary surface of the front Verkapselungsflächenelements is spatially limited,
• A plurality of solar cells arranged in the encapsulation volume and interconnected, each having a light entry surface, the sum of all light entry surfaces being at least one quarter of the inner boundary surface of the front encapsulation surface element, and
• At least one optical concentrator device arranged in the encapsulation volume with a plurality of optical concentrator elements, each optical concentrator element spatially associated with at least one of the solar cells such that the optical concentrator elements impinge the majority of the light incident on the optical concentrator elements by the front encapsulation surface element on the light entry surface of the associated photocell Solar cell steers.

This Solar module has the disadvantage that the concentrator integral with the front encapsulation sheet is trained. The inside of the front glass pane has to cylindrical lenticular curved surface areas on. These surface areas focus light that is in a defined angular range on the front glass pane meets, on solar cells, which are spaced apart on a likewise formed as a glass pane back encapsulation surface element are arranged. Because of the one-piece training of front glass pane and concentrator device, is the front side Glass pane as a special component for the encapsulation of the module mandatory.

From the DE 39 175 03 A1 is another solar module with the features described above known. Unlike the DE 298 233 51 U1 Here, the concentrator device is formed separately from the front side also formed as a glass encapsulation surface element. The concentrator device is in the form of a film-shaped holographic optical element which is fixed on the inside of the front glass pane. However, this structure has the disadvantage that both the fixing of the concentrator device and the fixing of the front-side and the rear-side encapsulation surface element during encapsulation are associated with an adjustment process. Only if certain positional tolerances are met does the solar module with the concentrator device fulfill the desired optical properties.

The Solar industry is under the requirement, the cost of to significantly reduce a kilowatt-hour of solar power generated. A good approach is to do the simplest possible and thus use inexpensive optical concentrator devices. These concentrator devices usually have one Light entry surface and one in relation to it smaller light exit surface. On the smaller light exit surface This is the light incident surface of the concentrator concentrated incident light. With increasing light concentration increases the operating temperature of the solar cell, what its efficiency decreases. Therefore it is - depending on the conditions of use and the concentration factor - required, additional Provide cooling facilities for the solar cells. These However, cooling devices require additional Assembly costs and increase the total cost of solar modules. Therefore become the cost optimization concentrator facilities preferably, the incident light by less than a factor four. In such Konzentratoreinrichtungen are usually no additional cooling facilities required for the solar cells. Therefore, may be from the same Solar cell area a higher electrical power are generated, which only costs extra for manufacturing and mounting the concentrator device requires.

Solar module manufacturers need to be regular for the solar modules Guarantees over periods of 20 years and more give. That means also under adverse and strongly fluctuating Weather conditions need the solar modules over These periods of time work reliably.

In order to be able to meet these collected requirements in terms of cost reduction and warranty periods, it is necessary that as simple and cost-effective as possible be developed for solar modules. These must be robust and durable at the same time to ensure the required guaranteed lifetime.

Of the The present invention is therefore based on the object, a solar module to create with optical concentrator, which is easier and cheaper to produce, without thereby the life of the solar module is reduced.

These The object is achieved by a solar module with the features of the claim 1 solved.

According to the invention provided that the solar cells via a first optical Coupling material with the concentrator optically and mechanically coupled are and thus with the concentrator a hybrid concentrator solar cell device form.

Under the feature of optical and mechanical coupling is in the frame of the present invention, that the first optical coupling material ensures a fixation of the solar cells to the concentrator. This fixation has the consequence that the concentrator device and prefabricate the solar cells as a concentrator solar cell device to let. The manufacture of the hybrid concentrator solar cell device in a separate manufacturing process therefore allows this Manufacturing process for itself technologically and economically to optimize. In the upstream production of the concentrator solar cell component can be the optimal positioning between solar cells and concentrator device. You can continue the individual solar cells on associated support elements already interconnect electronically. The concentrator solar cell component can thus be formed as a non-encapsulated solar module. On This way, the use of particularly low-priced standard components for the subsequent encapsulation of the concentrator solar cell component in the solar module allows. This opens up another important potential for saving costs.

The first optical coupling material creates next to the mechanical Coupling the optical coupling, which turns out to be a largely homogeneous Course of the refractive index between the optical concentrator device and the solar cell represents. The first optical coupling material has an optical transmission in the visible wavelength spectrum of preferably more than 90% and a refractive index of preferably more than 1.4 on. It can be in the form of a thermosetting adhesive or as a gel-like fluid. Furthermore, it is in terms of his thermal expansion coefficients selected such that it is between the thermal expansion coefficient of the material the solar cell and the thermal expansion coefficient of the contacted Material of the concentrator device mediates.

Prefers a plurality of concentrator means is provided, each one with more than two solar cells over the first optical coupling material Hybrid Concentrator Solar Cell Components Training. To the production the entire solar module by mass production particularly economical are the hybrid concentrator solar cell devices formed substantially identical. The encapsulation volume facing interface of the back Verkapselungsflächenelementes is in the solar module largely with the hybrid concentrator solar cell components stocked.

In In a preferred first embodiment, the hybrid act Concentrator solar cell components as spacers between the front encapsulating sheet and the back Verkapselungsflächenelement. That way you can In the encapsulation of solar modules often required spacers and save associated costs.

A sees preferred second embodiment of the solar module before that in the encapsulation volume a plurality of spacer elements is provided between the Verkapselungsflächenelementen. This structure has the advantage that also concentrator solar cell components which can be used for mechanical stress during use as a spacer between front and back Encapsulation surface element are not suitable.

For the first and second embodiments of the solar module, it is advantageous that the concentrator elements with their surfaces facing the front encapsulation surface element are optically and / or mechanically coupled to the inner boundary surface of the front encapsulation surface element via a second optical coupling material. As a result, reflection losses occurring at optical interfaces can be further reduced. A purely optical coupling is present if the second optical coupling material does not ensure any significant mechanical fixation of the concentrator elements on the front encapsulation surface element. A significant mechanical fixation is present when the adhesive force exerted by the second optical coupling material exceeds at least the weight of the hybrid concentrator solar cell component. With regard to the physical parameters of the thermal Expansion coefficients and the refractive index apply the statements made to the first optical coupling material above accordingly.

Prefers is the above-described variant of the solar module in such a way further developed that the first optical coupling material and the second optical coupling material made of the same material are. This leads to a further simplification in the Module production. In addition, the optical coupling material both between the concentrator device and the solar cell as also between the concentrator device and the front side Encapsulation surface element thermally induced mechanical Compensate for voltages.

For all embodiments of the solar module are the solar cells Advantageously in the form of narrower along an extension direction extending strip of a monolithic wafer solar cell formed and with their light entry surfaces substantially parallel or evenly angled to the Verkapselungsflächenelementen arranged. Commercially available wafer solar cells with let essentially square or rectangular basic shape easily cut into strips whose length the original edge length of the wafer solar cell equivalent. This is a cutting or breaking in just one Spatial direction required. Narrow strips in the sense of the present Invention are when the ratio of length to width greater than 5, preferably greater than 10 is.

Corresponding the previously described narrow strip-shaped Solar cells, the concentrator elements are preferred as along the extension direction of the solar cells extending, rib-shaped Elements with a trapezoidal or a curved tapered cross section formed. In essence Trapezoidal cross-section correspond to the two in parallel aligned edges of the trapezium of the light entrance and light exit surface of the concentrator element. The Ratio of these two surfaces to each other in a first approximation, the factor of optical concentration dar. The converging flanks of the trapezoidal Concentrator element cross-section are usually of Surrounded by air and form an optical boundary layer. Due to the lower refractive index of the air compared to the refractive index of the concentrator module becomes light that is below a critical angle on the interface meets totally reflected. By a Adaptation of the geometric configuration of the concentrator element cross-section can the concentrator device for different lighting scenarios of Solar module can be optimized.

With Advantage are the concentrator with the concentrator elements monolithic made of an optical polymer. This opens the Advantage of a further cost reduction, since the concentrator devices for example, from polymethyl methacrylate and polycarbonate by injection molding can be produced.

For a simple structure of the solar module, it is preferred that the Sealing device a the encapsulation volume laterally encircling sealing element having. The sealing device preferably consists of a single laterally encircling sealing element. Circumferential is defined so that the sealing element substantially in or adjacent to the back or front Edge region of the back or front encapsulation surface element located.

In In a first variant, the sealing element is exclusive in the opposite edge regions of the encapsulation surface elements arranged and thus is located exclusively between the two encapsulation surface elements. In a second Variant is the sealing element exclusively in the opposite edge regions of the encapsulation surface elements arranged; d. H. the sealing element surrounds the edge regions the encapsulation interfaces U-shaped. In a third variant, the sealing element is exclusive is arranged adjacent to the edge regions and is thus of outside on the edge surfaces of the encapsulation surface elements at. Furthermore, a variety of combinations of the foregoing variants are conceivable in which a single sealing element or a plurality of sealing elements is provided. Important for a simple, inexpensive and durable Structure of the solar module is that between the sealing device and the boundary surface elements formed boundary layers a sufficiently large and permanently effective diffusion barrier against the penetration of moisture into the encapsulation volume represents.

Around a permanently effective diffusion barrier between encapsulation surface element and to ensure sealing device, there is an advantageous Variant therein, the front encapsulation surface element form as a glass sheet. In particular, when the sealing device one or more sealing elements of isobutylene or polyisobutylene has, so are the boundary layers between these materials and glass permanent sufficiently high diffusion barriers Humidity.

Accordingly, the back can be used with advantage Form side encapsulation surface element as a glass sheet. With regard to consistent protection against moisture diffusion, interfaces of isobutylene and polyisobutylene are of similar quality to metal layers. Therefore, the back-side encapsulation surface element can advantageously also be embodied as a metal plate or as an encapsulation film. At least in the region of the sealing device, this encapsulation film has a metal layer in contact with the sealing device.

Around To permanently secure the sealing properties of the solar module is preferably provided that the sealing means pressure medium comprising the encapsulating sheets and the sealing means compress.

The Pressure medium are in a variant with advantage as an adjacent arranged to the sealing device, between the Verkapselungsflächenelementen extending adhesive layer formed. In this case, the sealing device preferably as a single, adjacent to the adhesive layer arranged Seal formed. That way you can realize a slim, frameless solar module.

A Another variant for the formation of the pressure medium provides that the pressure means are designed as frame elements which surround the edge regions of Encapsulation surface elements at least in the region of the sealing device embrace. This allows the function of the pressure medium couple with the structure of a module frame.

Further Advantages and characteristics of the invention are related with the description of concrete embodiments explained below.

It shows:

1 a first embodiment of the solar module with optical concentrator device in a schematic cross-sectional representation not to scale;

2 a second embodiment of the solar module with optical concentrator device in a schematic cross-sectional representation not to scale;

3 a third embodiment of the solar module with optical concentrator device in a schematic cross-sectional representation not to scale;

4 a fourth embodiment of the solar module with optical concentrator device in a schematic cross-sectional representation not to scale;

5 a fifth embodiment of the solar module with optical concentrator device in a schematic cross-sectional representation not to scale;

6a an enlarged view of the in the 2 . 3 and 5 area designated as VIa;

6b an enlarged view of the in the 2 . 3 and 5 VIb labeled area and

7 a schematic not to scale cross-sectional representation of an alternative for all embodiments of the solar module concentrator.

1 shows a first embodiment of the solar module with optical concentrator device 5 in a schematic not to scale cross-sectional view. On a glass encapsulated back encapsulation surface element 2 is a plurality of flat carrier elements 7 fixed. In the 1 are only those with the first support element 7 Coupled components provided with reference numerals. Adjacent to the first carrier element 7 is another carrier element 7 provided with identically coupled components. For clarity, here and in the following 2 to 6 has been dispensed with the repetition of the reference numerals for identical components. It is emphasized that once made statements for a component, however, apply accordingly to identically designed components.

On each support element 7 in 1 are five equally sized solar cells 4 equidistant from each other. The from the back glass pane 2 opposite side of each solar cell 4 represents a light entry surface 40 dar. Each solar cell 4 is about a first optical coupling material 51 each with a substantially identical concentric element 50 optically and mechanically coupled. The five concentrator elements 50 form as preferred monolithically formed component, the optical concentrator device 5 , Each concentrator element 50 has in the cross-sectional view one of the rear glass pane 2 upwards opening trapezoidal contour. The two diverging reflection edges of the trapezoidal contour begin in the region of the first optical coupling material 51 on the outer edges of the solar cell 4 , Thus, the two diverging reflection edges in this area are in the width of Light entry surface 40 spaced. The light entry surface 40 the solar cells 4 is substantially identical in dimensions to that over the first optical coupling material 51 coupled light exit surface of the concentrator element 50 educated. The two divergent reflection edges run at the same angle to the rear glass pane 2 and form an upwardly opening funnel-shaped structure. The reflection edges of adjacent concentrator elements 50 meet each other at an acute angle. Parallel to the light exit surface of the concentrator elements 50 is a unified light entry surface for all concentrator elements 50 the concentrator device 5 intended. The light entry surface of the concentrator device 5 Finally, there is a second optical coupling material 52 optically and / or mechanically with a likewise designed as a glass pane front encapsulation surface element 1 coupled.

The front glass pane 1 and the back glass pane 2 are spaced substantially parallel to each other, the distance through which between the glass sheets 1 . 2 arranged components is defined. The on the support element 7 arranged solar cells 4 form together with the optically and mechanically to the solar cells 4 coupled optical concentrator device 5 a hybrid concentrator solar cell device. These concentrator solar cell components can be prefabricated in a separate production sequence. With the concentrator solar cell devices, the surface of the back side Verkapselungsflächenelementes 2 except for a circumferential rear edge portion 20 stocked. The individual concentrator solar cell components are still to be electrically coupled with each other. In this arrangement is then compared to the back Verkapselungsflächenelement 2 same size front encapsulation surface element 1 over the second optical coupling material 52 placed flush. Between the two encapsulation surface elements 1 . 2 An encapsulation volume V, which forms in the region of the outer edges of the encapsulation surface elements, is formed 1 . 2 with a circumferential sealing device 3 is completed.

With substantially the same dimensions are adjacent to the outer edges of the encapsulation surface elements 1 . 2 circumferential front and rear edge areas 10 . 20 provided that not with the support element 7 or the optical concentrator device 5 the hybrid concentrator solar cell components are occupied. Also from the front or rear edge area 10 . 20 the encapsulation area elements 1 . 2 are included on the outer surfaces of each encapsulation surface element 1 . 2 adjacent to the edge portions extending as far away from the edges as the inside opposite edge portions. Also the edge surfaces of the encapsulation surface elements 1 . 2 covering the outside and inside of the encapsulation surface elements 1 . 2 arranged front and back edge areas 10 . 20 interconnected, is covered by the definition of the edge region in the context of the present invention.

For the encapsulation of the solar module, it is essential that the sealing device 3 at least in sections in or adjacent to the rear edge region 20 and to the front edge area 10 Forms interfaces. There are a number of plastics such. For example, butyl rubber in the form of isobutylene or polyisobutylene, which form permanent and sufficiently high diffusion barriers to moisture to materials such as glass or metal.

At the in 1 includes the sealing device 3 a sealing element 30 made of butyl rubber, which both the front edge area 10 as well as the back edge area 20 U-shaped embraces. Furthermore, the sealing device 3 lever 31 on, in the form of a frame element 311 are formed. The frame element 311 includes the sealing element 30 U-shaped and presses this simultaneously with its sealing interfaces against the edge areas 10 . 20 the encapsulation surface elements designed as glass panes 1 . 2 ,

2 shows a second embodiment of the solar module with optical concentrator device 5 in a schematic not to scale cross-sectional view. Identical components are provided with the same reference numerals. Reference is made expressly to the above remarks to avoid repetition. Unlike the first embodiment of the solar module, the sealing device 3 with a sealing element 30 formed exclusively between the front glass pane 1 and the back glass pane 2 is arranged. As pressure means of the sealing device 3 is an adhesive layer 312 provided the front and rear glass panel with compressed sealing element 30 fixed.

3 shows a third embodiment of the solar module. Unlike the first two embodiments, here the hybrid concentrator solar cell components do not act as spacers between the front glass pane 1 and the back glass pane 2 , For this purpose, a plurality of spacers 6 intended. Also eliminates the optical coupling between the concentrator 5 and the Front glass pane 1 , According to the second embodiment, the sealing element 30 arranged exclusively between the glass panes. In contrast to the representation in 2 are the pressure means 31 similar to 1 as a frame element 311 educated.

4 shows a fourth embodiment of the solar module. Similar to in 3 are also spacers here 6 between front glass pane 1 and back glass 2 intended. The hybrid concentrator solar cell components are here via the second optical coupling material 52 optically and mechanically coupled with the front glass pane. The carrier elements 7 do not lie on the back glass 2 on. The sealing device 3 is according to the first embodiment of 1 built up.

5 shows a fifth embodiment of the solar module. The sealing device shown here 3 is according to the embodiment of 2 built up. Unlike in all previous embodiments, the solar cells are all here at the same acute angle to the rear glass pane 2 arranged. For this purpose are on the support elements 7 Solar cell wedges 8th arranged on which the solar cells 4 are fixed with the desired angle of attack. The over the first optical coupling material 51 optically and mechanically coupled concentrator elements 50 are perpendicular to the surface of the solar cells 4 viewed, again uniformly trapezoidal structure. The angling of the solar cells 4 is advantageous if that on the front encapsulation surface element 1 falling light for the most part in the angle range similar to the angle of attack of solar cells 4 meets the solar module.

6a shows an enlarged view of the in the 2 . 3 and 5 Area labeled VIa. The back encapsulating sheet 2 is not designed here as a glass pane but as a metal plate. This forms a metal layer 200. opposite the sealing element 30 the sealing boundary layer to the rear encapsulation surface element 2 , This variant can be used in combination with all embodiments described above.

Another alternative for the formation of the back encapsulation surface element 2 shows 6b , Unlike in all previous embodiments and their variants is the back encapsulation surface element 2 here designed as a laminate. At least on the encapsulation volume V and facing surface, the encapsulation surface element in turn has a metal layer 200. on. This metal layer 200. is fixed as a thin film or as a laminated metal foil on an underlying polymer film. With comparable encapsulation properties, such a laminate offers a significantly lower weight than a glass pane or a metal plate.

7 shows a schematic not to scale cross-sectional representation of an alternative for all the preceding embodiments of the solar module concentrator device 5 , The reflection edges of the individual concentrator elements 50 have no rectilinear but mirror-symmetrically opposed curved reflection edges. It is clear to the person skilled in the art that the optical properties of the concentrator device 5 to be adapted to the respective lighting conditions of the solar module. For a variety of geometries for statically installed concentrator devices can be used.

1

front side Verkapselungsflächenelement

10

front side border area

2

back Verkapselungsflächenelement

20

back border area

200

metal layer

3

seal means

30

sealing element

31

lever

310

adhesive layer

311

framing members

4

solar cell

40

Light entry surface a solar cell

5

concentrator

50

concentrator

51

first optical coupling material

52

second optical coupling material

6

spacers

7

support element

8th

Solar cells Wedge

V

encapsulating volume

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 29823351 U1 [0002, 0004]
• - DE 3917503 A1 [0004]

Claims (16)

Solar module with optical concentrator device comprising: - a front encapsulation surface element ( 1 ) with a circumferential front edge area ( 10 ); A back encapsulating sheet ( 2 ) with a circumferential rear edge region ( 20 ); An at least in sections in or adjacent to the rear edge region ( 20 ) and at least partially in or adjacent to the front edge area ( 10 ) so arranged sealing device ( 3 ), that an encapsulation volume (V) is formed, which passes through an inner interface of the sealing device ( 3 ), an inner interface of the backside encapsulation sheet ( 2 ) and an inner interface of the front encapsulation sheet ( 1 ) is spatially limited, - a plurality in the encapsulation volume (V) arranged and interconnected solar cells ( 4 ), each having a light entry surface ( 40 ), wherein the sum of all light entry surfaces ( 40 ) at least a quarter of the inner boundary surface of the front encapsulation surface element ( 1 ) and - at least one in the encapsulation volume (V) arranged optical concentrator device ( 5 ) having a plurality separate from the encapsulation surface elements ( 1 . 2 ) formed optical concentrator elements ( 50 ), each optical concentrator element ( 50 ) at least one of the solar cells ( 4 ) is spatially associated such that the optical concentrator elements ( 50 ) the majority of through the front encapsulation surface element ( 1 ) to the optical concentrator elements ( 50 ) incident light on the light entry surface ( 40 ) of the associated solar cell ( 4 ), characterized in that the solar cells ( 4 ) via a first optical coupling material ( 51 ) with the concentrator device ( 5 ) are optically and mechanically coupled and thereby with the concentrator device ( 5 ) form a hybrid concentrator solar cell device. Solar module according to claim 1, characterized in that a plurality of concentrator devices ( 5 ), each with more than two solar cells ( 4 ) over the first optical coupling material ( 51 ) form hybrid concentrator solar cell components. Solar module according to claim 2, characterized in that the hybrid concentrator solar cell components as a spacer between the front encapsulation surface element ( 1 ) and the rear encapsulating sheet ( 2 ) Act. Solar module according to claim 2, characterized in that in the encapsulation volume (V) a plurality of spacer elements ( 6 ) between the encapsulation area elements ( 1 . 2 ) is provided. Solar module according to one of claims 1 to 4, characterized in that the concentrator elements ( 50 ) with their front encapsulation surface element ( 1 ) facing surfaces via a second optical coupling material ( 52 ) optically and / or mechanically with the inner boundary surface of the front encapsulation surface element ( 1 ) are coupled. Solar module according to claim 5, characterized in that the first optical coupling material ( 51 ) and the second optical coupling material ( 52 ) are formed of the same material. Solar module according to one of the preceding claims, characterized in that the solar cells ( 4 ) in the form of narrow strips along a direction of extension of a monolithic wafer solar cell and with their light entry surfaces ( 40 ) substantially parallel or evenly angled relative to the encapsulation surface elements ( 1 . 2 ) are arranged. Solar module according to claim 7, characterized in that the concentrator elements ( 50 ) than along the direction of extent of the solar cells ( 4 ), rib-shaped elements are formed with a trapezoidal or a curved tapered cross-section. Solar module according to one of the preceding claims, characterized in that the concentrator devices ( 5 ) with the concentrator elements ( 50 ) are monolithically made of an optical polymer. Solar module according to one of the preceding claims, characterized in that the sealing device ( 3 ) a the encapsulation volume (V) laterally encircling sealing element ( 30 ) having. Solar module according to one of the preceding claims, characterized in that the front-side encapsulation surface element ( 1 ) is designed as a glass pane. Solar module according to claim 11, characterized in that the rear encapsulating surface element ( 2 ) as a glass sheet, as a metal plate or is formed as an encapsulation film. Solar module according to claim 12, characterized in that the encapsulation foil formed on the back Verkapselungsflächenelement ( 2 ) at least in the region of the sealing device ( 3 ) one with the sealing device ( 3 ) in contact metal layer ( 200. ) having. Solar module according to one of the preceding claims, characterized in that the sealing device ( 3 ) Pressure medium ( 31 ) comprising the encapsulating sheets ( 1 . 2 ) and the sealing device ( 3 ) compress. Solar module according to claim 14, characterized in that the pressure means ( 31 ) as one adjacent to the sealing device ( 3 ) between the encapsulation surface elements ( 1 . 2 ) extending adhesive layer ( 310 ) are formed. Solar module according to claim 14, characterized in that the pressure means ( 31 ) as frame elements ( 311 ) are formed, which the edge regions ( 10 . 20 ) of the encapsulation surface elements ( 1 . 2 ) at least in the region of the sealing element ( 30 ) embrace.