Heat reflective Solar Module

Abstract

The disclosed technology relates to a solar module in the form of a laminate which exhibits a solar cell system having an encapsulation layer on a back side and a front side, a barrier layer arranged on the back side encapsulation layer and arranged on the front side encapsulation layer, a first SiOx layer, a base web layer, a second SiOx layer, an optional lacquer layer, an adhesive layer and a glass layer whereby a silver containing low-E coating is arranged within one or between two front side layers thereby protecting the corrosion sensitive silver containing low-E coating from exposure to moisture.

Claims

1-12. (canceled)

13. A solar module comprising: a laminate, which exhibits a solar cell system having a front side and a back side, the solar cell system having an encapsulation layer on the back side and an encapsulation layer on the front side of the solar cell system; a barrier layer arranged on the back side encapsulation layer; and, arranged in order on the front side encapsulation layer, a first SiOx layer, a base web layer, a second SiOx layer, an adhesive layer and a glass layer; wherein a silver containing low-E coating is arranged on the front side of the solar cell system.

14. The solar module according to claim 13 wherein the silver containing low-E coating is arranged between the glass layer and the adhesive layer.

15. The solar module according to claim 13 wherein the silver containing low-E coating is arranged between the second SiOx layer and the base web layer.

16. The solar module according to claim 13 wherein the silver layer is arranged within the front side encapsulation layer.

17. The solar module according to claim 13 wherein the adhesive layer comprises a water scavenging adhesive.

18. The solar module according to claim 14 wherein the adhesive layer comprises a water scavenging adhesive.

19. The solar module according to claim 15 wherein the adhesive layer comprises a water scavenging adhesive.

20. The solar module according to claim 16 wherein the adhesive layer comprises a water scavenging adhesive.

21. The solar module according to claim 17 wherein the water scavenging adhesive is a polyurethane based adhesive.

22. The solar module according to claim 13 wherein the encapsulation layer comprises an encapsulation material selected from the group consisting of ethylene vinyl acetate (EVA), polyolefin elastomer (POE), polyvinylbutyral (PVB) and epoxy resins.

23. The solar module according to claim 14 wherein the encapsulation layer comprises an encapsulation material selected from the group consisting of ethylene vinyl acetate (EVA), polyolefin elastomer (POE), polyvinylbutyral (PVB) and epoxy resins.

24. The solar module according to claim 15 wherein the encapsulation layer comprises an encapsulation material selected from the group consisting of ethylene vinyl acetate (EVA), polyolefin elastomer (POE), polyvinylbutyral (PVB) and epoxy resins.

25. The solar module according to claim 16 wherein the encapsulation layer comprises an encapsulation material selected from the group consisting of ethylene vinyl acetate (EVA), polyolefin elastomer (POE), polyvinylbutyral (PVB) and epoxy resins.

26. The solar module according to claim 17 wherein the encapsulation layer comprises an encapsulation material selected from the group consisting of ethylene vinyl acetate (EVA), polyolefin elastomer (POE), polyvinylbutyral (PVB) and epoxy resins.

27. The solar module according to claim 18 wherein the encapsulation layer comprises an encapsulation material selected from the group consisting of ethylene vinyl acetate (EVA), polyolefin elastomer (POE), polyvinylbutyral (PVB) and epoxy resins.

28. The solar module according to claim 13 wherein the encapsulation layer comprises a desiccant.

29. The solar module according to claim 14 wherein the encapsulation layer comprises a desiccant.

30. The solar module according to claim 15 wherein the encapsulation layer comprises a desiccant.

31. The solar module according to claim 16 wherein the encapsulation layer comprises a desiccant.

32. The solar module according to claim 17 wherein the encapsulation layer comprises a desiccant.

33. The solar module according to claim 18 wherein the encapsulation layer comprises a desiccant.

34. The solar module according to claim 19 wherein the encapsulation layer comprises a desiccant.

35. The solar module according to claim 13 wherein the barrier layer comprises an aluminum foil preferably having a thickness of greater than 20 microns and less than 150 microns.

36. The solar module according to claim 14 wherein the barrier layer comprises an aluminum foil preferably having a thickness of greater than 20 microns and less than 150 microns.

37. The solar module according to claim 15 wherein the barrier layer comprises an aluminum foil preferably having a thickness of greater than 20 microns and less than 150 microns.

38. The solar module according to claim 16 wherein the barrier layer comprises an aluminum foil preferably having a thickness of greater than 20 microns and less than 150 microns.

39. The solar module according to claim 17 wherein the barrier layer comprises an aluminum foil preferably having a thickness of greater than 20 microns and less than 150 microns.

40. The solar module according to claim 18 wherein the barrier layer comprises an aluminum foil preferably having a thickness of greater than 20 microns and less than 150 microns.

41. The solar module according to claim 19 wherein the barrier layer comprises an aluminum foil preferably having a thickness of greater than 20 microns and less than 150 microns.

42. The solar module according to claim 20 wherein the barrier layer comprises an aluminum foil preferably having a thickness of greater than 20 microns and less than 150 microns.

43. The solar module according to claim 13 wherein the barrier layer comprises a film containing ethylene vinyl acetate and a desiccant whereby the film contacts the back side encapsulation layer.

44. The solar module according to claim 14 wherein the barrier layer comprises a film containing ethylene vinyl acetate and a desiccant whereby the film contacts the back side encapsulation layer.

45. The solar module according to claim 15 wherein the barrier layer comprises a film containing ethylene vinyl acetate and a desiccant whereby the film contacts the back side encapsulation layer.

46. The solar module according to claim 16 wherein the barrier layer comprises a film containing ethylene vinyl acetate and a desiccant whereby the film contacts the back side encapsulation layer.

47. The solar module according to claim 17 wherein the barrier layer comprises a film containing ethylene vinyl acetate and a desiccant whereby the film contacts the back side encapsulation layer.

48. The solar module according to claim 18 wherein the barrier layer comprises a film containing ethylene vinyl acetate and a desiccant whereby the film contacts the back side encapsulation layer.

49. The solar module according to claim 19 wherein the barrier layer comprises a film containing ethylene vinyl acetate and a desiccant whereby the film contacts the back side encapsulation layer.

50. The solar module according to claim 20 wherein the barrier layer comprises a film containing ethylene vinyl acetate and a desiccant whereby the film contacts the back side encapsulation layer.

51. The solar module according to claim 21 wherein the barrier layer comprises a film containing ethylene vinyl acetate and a desiccant whereby the film contacts the back side encapsulation layer.

52. The solar module according to claim 13 wherein a water scavenging edge tape is arranged on an edge of the solar module.

52. The solar module according to claim 14 wherein a water scavenging edge tape is arranged on an edge of the solar module.

52. The solar module according to claim 15 wherein a water scavenging edge tape is arranged on an edge of the solar module.

52. The solar module according to claim 16 wherein a water scavenging edge tape is arranged on an edge of the solar module.

52. The solar module according to claim 17 wherein a water scavenging edge tape is arranged on an edge of the solar module.

52. The solar module according to claim 18 wherein a water scavenging edge tape is arranged on an edge of the solar module.

52. The solar module according to claim 19 wherein a water scavenging edge tape is arranged on an edge of the solar module.

52. The solar module according to claim 20 wherein a water scavenging edge tape is arranged on an edge of the solar module.

52. The solar module according to claim 21 wherein a water scavenging edge tape is arranged on an edge of the solar module.

52. The solar module according to claim 22 wherein a water scavenging edge tape is arranged on an edge of the solar module.

53. The solar module according to claim 13 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 14 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 15 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 16 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 17 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 18 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 19 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 20 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 21 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 22 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

53. The solar module according to claim 23 wherein the solar module is enclosed by a frame further comprising a desiccant whereby the desiccant is arranged between the solar module and the frame.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The solar module according to the disclosed technology is explained in more detail below with reference to exemplary embodiments in the drawings, in which, purely schematically:

[0023] FIG. 1 shows an embodiment of the solar module in longitudinal section;

[0024] FIG. 2 shows an embodiment of the solar module in longitudinal section;

[0025] FIG. 3 shows an embodiment of the solar module in longitudinal section;

[0026] FIG. 4 shows an embodiment of the solar module with a circumferential frame in longitudinal section.

DETAILED DESCRIPTION OF THE TECHNOLOGY

[0027] FIG. 1 shows a solar module 1 according to the disclosed technology. It is easily perceived that the solar module 1 has a laminate structure. The solar cell system 3 has an encapsulation layer 5 arranged on its back side and an encapsulation layer 7 arranged on its front side, respectively. In order to further protect the solar cell system 3 a barrier layer 9 which contacts the encapsulation layer 5 is arranged on the back side of the solar cell system 3. On the front side of the solar cell system 3 there are a first SiO.sub.x layer 11 and a second SiO.sub.x layer 15, with a base web layer 13 placed in between the SiO.sub.x layers 11 and 15,

[0028] FIG. 3 shows a a solar module 1 according to the disclosed technology. The silver containing low-E coating 21 is arranged within the encapsulation layer 7 on the front side of the solar cell system 3.

[0029] FIG. 4 shows a solar module having the same laminate structure as described in FIG. 1. In addition, a frame 25 is shown protecting the edges of the solar module 1. The frame 25 is sealed to the solar module 1 by an adhesive film 27. A closed cavity 29 which runs around the entire solar module one contains a desiccant 31. encapsulation layer and arranged on the front side encapsulation layer, a first SiO.sub.x layer, a base web layer, a second SiO.sub.x layer, an optional lacquer layer, an adhesive layer and a glass layer whereby a silver containing low-E coating is arranged within one or between two front side layers thereby protecting the corrosion sensitive silver containing low-E coating from exposure to moisture.