SOLAR MODULE SERIALLY CONNECTED IN THE FRONT
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Abstract
The present invention shows a solar cell element comprising a semiconductor substrate layer (2) with precisely one first doping, a layer structure (1) which is disposed on the front-side of the substrate layer (2) and is adjacent to the substrate layer, said layer structure having at least one doping complementary to the first doping, a rear-side metallisation (3) which is disposed on the rear-side of the substrate layer which is situated opposite the layer structure (1) and is adjacent to the substrate layer, and a first (4) and a second (6) front-side metallisation, the first front-side metallisation (4) contacting the layer structure (1) electrically and the second front-side metallisation (6), electrically insulated from the first front-side metallisation and the layer structure (1), being disposed on the front-side of the substrate layer adjacent to the substrate layer.
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Citations
79 Claims
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1-36. -36. (canceled)
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37. A solar cell module comprising at least two series-connected solar cell elements which are disposed respectively with a rear-side metallization on a carrier structure, the electrical contacting of the series connection of at least two of the series-connected solar cell elements being configured exclusively on a front-side of these solar cell elements which is situated opposite the carrier structure, at least one of the at least two solar cell elements connected on the front-side having:
- a supporting semiconductor layer with only one first type of doping;
a layer structure which is disposed on a front-side of the supporting semiconductor layer adjacent to the supporting semiconductor layer and which has at least one doping complementary to the first doping;
the rear-side metallization being disposed on the rear-side of the supporting semiconductor layer which is situated opposite the layer structure, adjacent to the supporting semiconductor layer;
a first front-side metallization and a second front-side metallization, the first front-side metallization contacting the layer structure electrically, and the second front-side metallization being spaced from the first front-side metallization and the layer structure on the front-side of the supporting semiconductor layer adjacent to the supporting semiconductor layer such that, between the second front-side metallization and the rear-side metallization, only the supporting semiconductor layer is situated. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 79)
- a supporting semiconductor layer with only one first type of doping;
- 76. A method for the production of a solar cell module, wherein at least two solar cell elements respectively with their rear-side metallizations being disposed on a carrier structure and being connected in series, the electrical contacting at least of two of the solar cell elements being configured exclusively on a front-side of these solar cell elements which is situated opposite the carrier structure, and at least one of the solar cell elements having a supporting semiconductor layer with precisely one first type of doping, a layer structure which is disposed on the front-side of the supporting semiconductor layer adjacent to the supporting semiconductor layer, said layer structure having a doping complementary to the first doping, a rear-side metallization which is disposed on the rear-side of the supporting semiconductor layer which is situated opposite the layer structure and is adjacent to the supporting semiconductor layer, and first and second front-side metallizations, the first front-side metallization contacting the layer structure electrically, and the second front-side metallization being spaced from the first front-side metallization and the layer structure on the front-side of the supporting semiconductor layer adjacent to the supporting semiconductor layer such that, between the second front-side metallization and the rear-side metallization, exclusively the supporting semiconductor layer is situated as the electrical contacting, in that all the individual elements for a solar cell element are configured respectively repeatedly on a supporting semiconductor layer, and wherein thereafter the supporting semiconductor layer together with the repeatedly configured individual elements on the side which is orientated away from the front-side are at least one of glued and soldered on a carrier structure, and wherein thereafter the multiple solar cell elements are separated from the supporting semiconductor layer which is applied on the carrier structure and wherein finally the individual solar cell elements are connected to each other electrically.
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77. A method for the production of a solar cell module, wherein at least two solar cell elements respectively with their rear-side metallizations being disposed on a carrier structure and being connected in series, the electrical contact at least of two of the solar cell elements being configured exclusively on the front-side of these solar cell elements which is situated opposite the carrier structure, and at least one of the solar cell elements having a supporting semiconductor layer, which forms an electrical contacting, with precisely one first type of doping, a layer structure which is disposed on the front-side of the supporting semiconductor layer adjacent to the supporting semiconductor layer, said layer structure having at least one doping complementary to the first doping, a rear-side metallization which is disposed on the rear-side of the supporting semiconductor layer which is situated opposite the layer structure and is adjacent to the supporting semiconductor layer, and first and second front-side metallizations, the first front-side metallization contacting the layer structure electrically, and the second front-side metallization, electrically insulated from the first front-side metallization and the layer structure, being disposed on the front-side of the supporting semiconductor layer adjacent to the supporting semiconductor layer such that, between the second front-side metallization and the rear-side metallization, exclusively the supporting semiconductor layer is situated as the electrical contacting, wherein all the individual elements for a solar cell element are configured respectively repeatedly on a supporting semiconductor layer, and wherein thereafter the front-side metallization at least of two different solar cell elements which are still to be separated is connected electrically via cell connectors, and wherein thereafter, on the front-side, at least one of a transparent filling compound and silicone is applied, and wherein thereafter at least one of a transparent plate and a glass plate is applied on the side of the filling compound, which is orientated away from the substrate layer, on said filling compound, and wherein thereafter the multiple solar cell elements are separated from the supporting semiconductor layer which is applied on the carrier structure wherein, from the side, which is oriented away from the plate, between the solar cell elements which are still to be separated, gaps are introduced up to at least the filling compound and wherein finally the supporting semiconductor layer together with the separated solar cell elements is at least one of glued and soldered on the side thereof which is oriented away from the front-side onto a carrier structure.
Specification