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US 10,483,419 B2Granted
Solar cell module and method of manufacturing the solar cell module
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsTakaaki Nakajima, Atsushi Nakauchi, Teruhiko Ienaga, Shingo Okamoto
Life of this patent
Estimating the term…
Abstract
On a projected plane in parallel to the main surface of the solar cell module 100, an output interconnection 10 includes: a first output interconnection section 10a arranged along an conductive member 4 in a power non-generating field; and a second output interconnection section 10b leading to the first output interconnection section 10a in a power generating section X.
Claims23
A solar cell module comprising:
- a plurality of solar cell groups forming a power generating field including a light receiving surface for receiving light and a back surface provided on the opposite side of the light receiving surface, for generating electric power by receiving light, wherein each of the plurality of solar cell groups includes a plurality of solar cells arrayed in a first direction, the plurality of solar cell groups being arranged one after another in a second direction substantially orthogonal to the first direction;
- a power non-generating field which is an area outside of the plurality of solar cell groups;
- a conductive member including a first conductive section extending to the power non-generating field from the power generating field in the first direction, a second conductive section extending to the power non-generating field from the power generating field in the first direction and being spaced apart from the first conductive section in the second direction, and a third conductive section extending along the second direction in the power non-generating field and electrically connecting the first conductive section and the second conductive section to each other in the power non-generating field, wherein at least a part of each of the first conductive section and the second conductive section is provided above an outermost solar cell group positioned at an outermost position among the plurality of solar cell groups in the second direction;
- and
- an output interconnection through which the electric power generated in the power generating field is outputted to an outside of the solar cell module through a terminal box positioned at the back surface and including a bypass diode, wherein the output interconnection includes:
- a first output interconnection section connected to the third conductive section in the power non-generating field and extending along the first direction from the power non-generating field to the power generating field;
- and
- a second output interconnection section connected to the first output interconnection section and extending along the second direction over solar cells of two or more of the plurality of solar cell groups in the power generating field, the solar cell module further comprises:
- a first wiring provided in an area closer, in the second direction, to the terminal box than the first conductive section is and extending to the power non-generating field from the power generating field in the first direction;
- a second wiring being spaced apart from the first wiring in the second direction and extending to the power non-generating field from the power generating field in the first direction;
- a solar cell group connecting member extending in the second direction from an area of one of the plurality of solar cell groups to an area of another of the plurality of solar cell groups in the power non-generating field and electrically connecting the first wiring and the second wiring to each other;
- and
- a bypass diode connecting interconnection provided in an area closer, in the second direction, to the terminal box than the first output interconnection section is and extending along the first direction from the solar cell group connecting member to the power generating field,
- wherein in the power non-generating field including a boundary between the power generating field and the power non-generating field, as seen in a direction orthogonal to the back surface of the solar cell module,
- i) the output interconnection includes no portions that are overlapped with the bypass diode connecting interconnection,
- ii) the output interconnection includes no portions that are overlapped with the first conductive section and the second conductive section,
- iii) the bypass diode connecting interconnection includes no portions that are overlapped with the first wiring and the second wiring,
- iv) the third conductive section includes no portions that are overlapped with the bypass diode connecting interconnection, and
- v) the output interconnection includes no portions that are overlapped with the solar cell group connecting member, and
- the third conductive section includes an extended portion extending from a position corresponding to the first conductive section toward a side of the terminal box in the second direction, the first output interconnection section connected to the extended portion of the third conductive section in the power non-generating field.
17 more elements
A method of manufacturing a solar cell module, comprising:
- forming a power generating field by arranging a plurality of solar cell groups, in each of which a plurality of solar cells are arrayed in a first direction such that the plurality of solar cell groups are arranged one after another in a second direction substantially orthogonal to the first direction, the power generating field including a light receiving surface for receiving light and a back surface provided on the opposite side of the light receiving surface, wherein a power non-generating field is an area outside of the plurality of solar cell groups;
- electrically connecting a conductive member to an outermost solar cell group provided at an outermost position among the plurality of solar cell groups in the second direction;
- electrically connecting a solar cell group connecting member extending along the second direction to a first wiring and a second wiring, wherein the first wiring is electrically connected to one of the plurality of solar cell groups and extends to the power non-generating field from the one solar cell group in the first direction, and the second wiring is electrically connected to another solar cell group and extends to the power non-generating field from the another solar cell group in the first direction;
- electrically connecting an output interconnection to the conductive member outside the power generating field, wherein electric power generated in the power generating field is outputted through the output interconnection to a terminal box positioned at the back surface and including a bypass diode;
- and
- electrically connecting a bypass diode connecting interconnection to the solar cell group connecting member,
- wherein
- the conductive member comprises a first conductive section extending to the power non-generating field from the power generating field in the first direction, a second conductive section extending to the power non-generating field from the power generating field in the first direction and being spaced apart from the first conductive section in the second direction, and a third conductive section extending along the second direction in the power non-generating field and electrically connecting the first conductive section and the second conductive section to each other in the power non-generating field, wherein at least a part of each of the first conductive section and the second conductive section is provided above the outermost solar cell group provided at the outermost position among the plurality of solar cell groups in the second direction;
- the solar cell group connecting member extends along the second direction and electrically connecting the first wiring and the second wiring in the power non-generating field;
- the output interconnection comprises:
- a first output interconnection section connected to the third conductive section in the power non-generating field and extending along the first direction from the power non-generating field to the power generating field;
- and a second output interconnection section extending along the second direction over solar cells of two or more of the plurality of solar cell groups in the power generating field;
- the bypass diode connecting interconnection is provided in an area closer, in the second direction, to the terminal box than the first output interconnection section is and extends along the first direction from the solar cell group connecting member to the power generating field;
- wherein in the power non-generating field including a boundary between the power generating field and the power non-generating field, as seen in a direction orthogonal to the back surface of the solar cell module,
- i) the output interconnection includes no portions that are overlapped with the bypass diode connecting interconnection,
- ii) the output interconnection includes no portions that are overlapped with the first conductive section and the second conductive section,
- iii) the bypass diode connecting interconnection includes no portions that are overlapped with the first wiring and the second wiring,
- iv) the third conductive section includes no portions that are overlapped with the bypass diode connecting interconnection, and
- v) the output interconnection includes no portions that are overlapped with the solar cell group connecting member, and
- the third conductive section includes an extended portion extending from a position corresponding to the first conductive section toward a side of the terminal box in the second direction, the first output interconnection section connected to the extended portion of the third conductive section in the power non-generating field.
17 more elements
Dependencies are inferred from the claim text.