An attachment structure for vehicle solar panel includes: a vehicle-body configuring member configuring a part of a vehicle body; a solar panel provided on the vehicle-body configuring member, the solar panel including a glass exposed to an outside of the vehicle body, and a solar module provided on a vehicle inner-side surface of the glass; and a coupling member that couples the vehicle-body configuring member and the solar module. The coupling member includes: a panel-side attachment portion connected to the solar module; a vehicle-body-side attachment portion connected to the vehicle-body configuring member; and a connection portion that connects the panel-side attachment portion and the vehicle-body-side attachment portion and has flexibility.
The present invention provides: a method for manufacturing a solar cell, with which it is possible to improve durability and conversion efficiency; a method for manufacturing a solar cell module; a solar cell; and a solar cell module. A method for manufacturing a solar cell 10 includes: a step for forming an electron transport layer 3 on a first electrode 2; a step for forming a light absorption layer 4 of a perovskite compound on the electron transport layer 3; a step for forming a hole transport layer 5 on the light absorption layer 4; and a step for forming a second electrode 6 on the hole transport layer 5. The step for forming the hole transport layer 5 and/or the step for forming the electron transport layer 3 includes a buffer layer formation step for forming a buffer layer 31, 51 between the hole transport layer 5 and the light absorption layer 4 and/or between the electron transport layer 3 and the light absorption layer 4. In the buffer layer formation step, a solution which contains a polyamino acid that is obtained by polymerizing an amino acid having a charged side chain of a reactive functional group is added.
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 30/85 - Layers having high electron mobility, e.g. electron-transporting layers or hole-blocking layers
H10K 30/86 - Layers having high hole mobility, e.g. hole-transporting layers or electron-blocking layers
H10K 71/12 - Deposition of organic active material using liquid deposition, e.g. spin coating
H10K 85/50 - Organic perovskitesHybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3
A solar cell module (1) comprises: a solar cell string (S) in which a plurality of solar cells (10) are connected in series in a first direction; a bus bar (30) that extracts current from the solar cell string (S); and an interconnector (20) that electrically connects the solar cells (10) at the ends of the solar cell string (S) and the bus bar (30). The interconnector (20) has a shape in which a second direction orthogonal to the first direction in plan view is the longitudinal direction. The bus bar (30) uses a metal material having a thermal expansion coefficient falling within the range of 1x10-6/K to 6x10-6/K (a metal material having a thermal expansion coefficient close to that of Si), and has an intermediate layer (32) extending in the second direction.
A solar cell 100 has a first electrode 10, a hole transport layer 20, a photoelectric conversion layer 30 containing a perovskite compound, an electron transport layer 40, and a second electrode 50 in this order. At least one of the hole transport layer 20 and the electron transport layer 40 is formed with two layers, and at least one of the two layers is partially provided with an opening.
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 30/85 - Layers having high electron mobility, e.g. electron-transporting layers or hole-blocking layers
H10K 30/86 - Layers having high hole mobility, e.g. hole-transporting layers or electron-blocking layers
H10K 85/50 - Organic perovskitesHybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3
Provided is a photoelectric conversion element that, in a tandem solar cell, suppresses the occurrence of peeling between both a top cell light absorption layer and a bottom cell light absorption layer, by reducing shear stress between both light absorption layers generated by a temperature change or the like. The photoelectric conversion element includes a top cell (11) disposed on a light receiving surface side and a bottom cell (12) disposed on a rear surface side, and is configured such that a top cell light absorption layer (114) is divided into a plurality of regions by a gap portion (14) formed in the top cell light absorption layer (114).
H10K 30/57 - Photovoltaic [PV] devices comprising multiple junctions, e.g. tandem PV cells
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 39/12 - Electrical configurations of PV cells, e.g. series connections or parallel connections
H10K 39/15 - Organic photovoltaic [PV] modulesArrays of single organic PV cells comprising both organic PV cells and inorganic PV cells
Provided is a bifacial solar cell that has a tandem structure, in which a front-side light-receiving surface and a rear-side light-receiving surface on which light can be incident, and a top cell 10 and a bottom cell 20 comprising photoelectric conversion cells of different types from each other and disposed between the front-side light-receiving surface 6 and the rear-side light-receiving surface 7, are provided in this order from the front-side light-receiving surface 6 side toward the rear-side light-receiving surface 7 side. The bifacial solar cell is characterised in that the bottom cell 20 can receive light incident from the front-side light-receiving surface and light incident from the rear-side light-receiving surface, and under standard test conditions (STC), the magnitude of the photovoltaic current of the bottom cell 20 due to light 3 incident from the front-side light-receiving surface is inferior to the magnitude of the photovoltaic current of the top cell 10 due to the light 3 incident from the front-side light-receiving surface.
H10K 30/57 - Photovoltaic [PV] devices comprising multiple junctions, e.g. tandem PV cells
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 39/12 - Electrical configurations of PV cells, e.g. series connections or parallel connections
H10K 39/15 - Organic photovoltaic [PV] modulesArrays of single organic PV cells comprising both organic PV cells and inorganic PV cells
Provided is a photoelectric conversion element which, in a tandem solar cell, can achieve current matching between a top cell and a bottom cell while suppressing non-uniformity of in-plane current density. The photoelectric conversion element includes a top cell (11) disposed on a light-receiving surface side and a bottom cell (12) disposed on a rear surface side, and is configured such that an opening groove (14) is formed in a top cell light-absorbing layer (114) so that a portion of the light incident from the light-receiving surface side can be incident on a bottom cell light-absorbing layer (122) without passing through the top cell light-absorbing layer (114).
H10K 30/57 - Photovoltaic [PV] devices comprising multiple junctions, e.g. tandem PV cells
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 39/12 - Electrical configurations of PV cells, e.g. series connections or parallel connections
H10K 39/15 - Organic photovoltaic [PV] modulesArrays of single organic PV cells comprising both organic PV cells and inorganic PV cells
The present invention provides a photoelectric conversion element (10) in a tandem solar cell, including: a top cell (11) disposed on a light-receiving surface side and a bottom cell (12) disposed on a rear surface side. An electrode layer (a front surface grid electrode (111) and a front surface transparent electrode (112)) on the upper surface side of the top cell (11) and an electrode layer (a rear surface transparent electrode (124) and a rear surface grid electrode (125)) on the rear surface side of the bottom cell (12) are divided into a plurality of regions. The divided regions in the electrode layer on the upper surface side and the divided regions in the electrode layer on the rear surface side correspond to each other.
H10K 39/15 - Organic photovoltaic [PV] modulesArrays of single organic PV cells comprising both organic PV cells and inorganic PV cells
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 30/57 - Photovoltaic [PV] devices comprising multiple junctions, e.g. tandem PV cells
Provided is a solar battery cell having excellent design properties. The solar battery cell (40) comprises a coating layer (5) applied on at least a linear portion of the peripheral edge of a light-receiving surface (12) of the solar battery cell (40). The solar battery cell (40) is characterized in that the light-receiving surface (12) thereof includes an anti-reflection film, the coating layer (5) is formed on the anti-reflection film, and the color of the coating layer (5) is the same color as or a color similar to the color of the light-receiving surface (12) of the solar battery cell (40).
A solar cell 100 in which one or more photoelectric conversion elements 10(1) to 10(n) are formed on a substrate 1 in which a first conductive film 2 and a first charge transport layer 3 are arranged in the stated order on the surface on one side of a substrate 1 comprises wiring regions βA, βB connecting wiring materials (6, 7) to the first conductive film 2, one or more holes 8A, 8B are formed in the first charge transport layer 3 in the wiring regions βA, βB, and the one or more holes 8A, 8B include holes having a depth reaching at least the first conductive film 2. The method for manufacturing the solar cell 100 includes a first step for forming a first charge transport layer 3 on a first conductive film 2 formed on the surface on one side of a substrate 1, and a second step for forming one or more holes 8A, 8B in the first charge transport layer 3 in the wiring regions βA, βB.
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 30/82 - Transparent electrodes, e.g. indium tin oxide [ITO] electrodes
H10K 39/12 - Electrical configurations of PV cells, e.g. series connections or parallel connections
H10K 85/50 - Organic perovskitesHybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3
11.
PHOTOELECTRIC CONVERSION ELEMENT AND METHOD FOR PRODUCING SAME
The present invention provides: a photoelectric conversion element that uses a reverse-structure-type porous structure which has high reliability and high light utilization efficiency during electricity generation; and a method for producing the same. A method for producing a photoelectric conversion element according to the present disclosure comprises: a laminate formation step for forming a laminate A that has a first conductive layer 1, a porous hole transport layer 4, a porous electron transport layer 6, and a second conductive layer 8 in this order; a solution dripping step for dripping, from the second conductive layer 8 side of the laminate A, precursor solution B that can constitute a perovskite compound and causing the precursor solution B to permeate the laminate A, thereby obtaining a laminate A filled with the precursor solution B; and a heating step for heating the laminate A that has been subjected to the solution dripping step. The precursor solution B does not contain an additive which increases affinity to the porous electron transport layer 6 but does contain a solvent that has higher ability than γ-butyrolactone to permeate the porous electron transport layer 6.
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 71/12 - Deposition of organic active material using liquid deposition, e.g. spin coating
H10K 85/50 - Organic perovskitesHybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3
12.
PHOTOELECTRIC CONVERSION ELEMENT, PHOTOELECTRIC CONVERSION MODULE, AND PHOTOELECTRIC CONVERSION SYSTEM
A photoelectric conversion element (10) comprises: a first electrode (11) and a second electrode (15); a photoelectric conversion layer (13) provided between the first electrode (11) and the second electrode (15); and a hole transport layer (14) provided between the first electrode (11) and the photoelectric conversion layer (13) or between the second electrode (15) and the photoelectric conversion layer (13). The hole transport layer (14) includes a hole-transporting molecular material and Cs atoms.
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 30/86 - Layers having high hole mobility, e.g. hole-transporting layers or electron-blocking layers
H10K 39/10 - Organic photovoltaic [PV] modulesArrays of single organic PV cells
This solar cell module 10a is a photoelectric conversion element that comprises: a first electrode 22a; a second electrode 13a1 and a third electrode 13a2 which face the first electrode 22a and are disposed apart from each other in a horizontal direction on a surface of the first electrode 22a; and a perovskite layer 17a which is disposed between the first electrode 22a, and the second electrode 13a1 and the third electrode 13a2. A first photoelectric conversion element and a second photoelectric conversion element have opposite polarities, the first photoelectric conversion element comprising the first electrode 22a, the perovskite layer 17a, and the second electrode 13a1, and the second photoelectric conversion element comprising the first electrode 22a, the perovskite layer 17a, and the third electrode 13a2. The perovskite layer 17a included in the first photoelectric conversion element and the perovskite layer 17a included in the second photoelectric conversion element are continuous with each other.
H10K 39/12 - Electrical configurations of PV cells, e.g. series connections or parallel connections
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 30/83 - Transparent electrodes, e.g. indium tin oxide [ITO] electrodes comprising arrangements for extracting the current from the cell, e.g. metal finger grid systems to reduce the serial resistance of transparent electrodes
14.
SOLAR BATTERY MODULE AND METHOD FOR MANUFACTURING SAME
A solar battery module (1) includes a plurality of solar battery cells (10). Each solar battery cell (10) is provided with, in order from a substrate (2), a transparent electrode layer (3), a porous electron transport layer (5), an insulating layer (6), and a second conductive layer (7). The porous electron transport layer (5) and the insulating layer (6) have a porous structure including voids containing a perovskite compound. Between the insulating layer (6) of any one of the solar battery cells (10) and the insulating layer (6) of an adjacent solar battery cell, a gap section (10a) is provided for separating the solar battery cells (10) from each other. The gap section (10a) is provided with interposing parts (9) containing a perovskite compound.
H10K 39/12 - Electrical configurations of PV cells, e.g. series connections or parallel connections
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
15.
SOLAR BATTERY CELL, SOLAR BATTERY MODULE, AND METHOD FOR MANUFACTURING SAME
In this solar battery cell (10), there are provided, in order from a substrate (2), a transparent electrode layer (3), a porous electron transport layer (5), an insulating layer (6), and a second conductive layer (7). The porous electron transport layer (5) and the insulating layer (6) include a porous layer and a light absorption part. The second conductive layer (7) is provided with a window (7a) that exposes a portion of the upper surface of the insulating layer (6).
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 30/85 - Layers having high electron mobility, e.g. electron-transporting layers or hole-blocking layers
16.
PHOTOELECTRIC CONVERSION ELEMENT, PHOTOELECTRIC CONVERSION MODULE, AND PHOTOELECTRIC CONVERSION SYSTEM
A photoelectric conversion element (10) comprises: a bottom substrate (11); a photoelectric conversion unit (PE) provided on the bottom substrate (11) and including a photoelectric conversion layer (15) containing a perovskite compound; a sealing layer (18) provided in a region above the bottom substrate (11) where the photoelectric conversion unit (PE) is not present; and an inactive layer (19) formed between the bottom substrate (11) and the sealing layer (18).
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
A photoelectric conversion device (100) is provided with a substrate (20), and a photoelectric conversion element (10) including a lower electrode (11), an electron transport layer (12) disposed on the lower electrode (11), a photoelectric conversion layer (13) disposed on the electron transport layer (12), and an upper electrode (15) disposed on the photoelectric conversion layer (13). A separation groove (P2) for connecting the upper electrode (15) of a photoelectric conversion element (10a) and the lower electrode (11) of a photoelectric conversion element (10b) is provided in a connection region between the two adjacent photoelectric conversion elements (10a, 10b). Inside the separation groove (P2), the upper electrode (15) is in contact with the upper surface of the electron transport layer (12) and the lower electrode (11).
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
This method for manufacturing a solar cell 25 includes: a first step for arranging functional layers 4 on the surfaces of respective first electrodes 3 on the side opposite from a base body 2, on which the first electrodes 3 are formed on a surface on one side thereof; and a second step for forming second cell forming structures P2 each having a plurality of island-shaped parts Pb-Pb formed in a deep island shape by cutting processing on the layers formed on the surface on the one side of the base body 2. The second cell formation structures P2 of the solar cell 25 each have the plurality of island-shaped parts Pb-Pb having a deep island shape.
H10K 39/12 - Electrical configurations of PV cells, e.g. series connections or parallel connections
H10F 19/33 - Patterning processes to connect the photovoltaic cells, e.g. laser cutting of conductive or active layers
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
19.
SOLAR BATTERY CELL STRING, SOLAR BATTERY CELL STRING UNIT, SOLAR BATTERY MODULE, AND METHOD FOR MANUFACTURING SOLAR BATTERY MODULE
In this solar battery cell string, a plurality of solar battery cells (20) arranged along a first direction (D1) are electrically connected by inter-cell wiring (32). The inter-cell wiring (32) comprises a first wiring part (31) extending in the first direction (D1), and a second wiring part (32) connected to the first wiring part (31) and extending in a second direction (D2), and is disposed at least between the solar battery cells (20) adjacent to each other in the first direction (D1). The first wiring part (31) is connected to an electrode of the solar battery cell (20). The second wiring part (32) is provided so as to be longer than the length of the solar battery cell (20) in the second direction (D2) and shorter than 1.5 times the length of the solar battery cell (20) in the second direction (D2), and at least one end (321, 322) of the second wiring part in the second direction (D2) extends more than the solar battery cell (20).
A solar battery module (1) is provided with a plurality of solar battery string units (100). Each of the solar battery string units (100) includes a plurality of solar battery cell strings (11) formed by electrically connecting a plurality of solar battery cells (20) arranged along a first direction (D1), and the plurality of solar battery cell strings (11) are aligned in a second direction (D2) intersecting the first direction (D1) and are connected in parallel. The plurality of solar battery cells (20) adjacent to each other in the first direction (D1) are electrically connected in series, and the plurality of solar battery cells (20) adjacent to each other in the second direction (D2) are electrically connected in parallel. At least two adjacent solar battery string units (100) among the plurality of solar battery string units (100) are electrically connected in series.
A conveyance cart (1) comprises a plurality of travel parts (2) that are long in a progression direction (A), a body part (3) to which the travel parts (2) are attached, and a cargo stand part (4) on the body part (3). The travel parts (2) are configured including a set of outside travel parts (21), and an inside travel part (22) that is provided between the outside travel parts (22). The outside travel parts (21) and the inside travel part (22) are positioned offset from each other in the progression direction (A).
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