Abstract: In a solar cell element including a silicon substrate that includes a p-type semiconductor region in a surface thereof and an electrode that is located on the p-type semiconductor region and based on aluminum, the electrode includes a glass component containing vanadium oxide, tellurium oxide, and boron oxide, the glass component having a vanadium oxide content smaller than the sum of a tellurium oxide and a boron oxide content. Alternatively, the electrode includes a glass component containing vanadium oxide, tellurium oxide, and boron oxide, the glass component containing 5 to 33 parts by mass of vanadium oxide, 4 to 30 parts by mass of tellurium oxide, and 4 to 18 parts by mass of boron oxide based on 100 parts by mass of the glass component.

Abstract: A surface electrode (5) is installed on the light receiving surface of a solar cell element, the surface electrode (5) comprises three bus bar electrodes (5a) for extracting light-produced at the solar cell element to the outside and collecting finger electrodes (5b) connected to these bus bar electrodes (5a), and the bus bar electrodes (5a) are not less than 0.5 mm and not more than 2 mm in width and the finger electrodes (5b) are not less than 0.05 mm and not more than 0.1 mm in width. A high-efficient solar cell module can be obtained with substantially lowered resistance by increasing the number of bus bar electrode (5a) and thereby decreasing the lengths of the finger electrodes (5b).

Abstract: A solar cell element comprising a semiconductor substrate including a first surface to receive light, and a second surface provided on a back side of the first surface, a plurality of base collector electrodes provided on the second surface of the semiconductor substrate, a plurality of collector electrodes provided on the plurality of base collector electrodes, a connector electrode to electrically connect the collector electrodes adjacent to each other across a region between the plurality of base collector electrodes among the plurality of collector electrodes. A first extracting electrode provided between the plurality of base collector electrodes, and a second extracting electrode electrically connected to at least one of the plurality of collector electrodes.

Abstract: A solar cell with a simple configuration and high efficiency, and a manufacturing method therefor are provided. A solar cell of the present invention includes a semiconductor substrate that has a first surface receiving sunlight and a second surface on the back side of the first surface and that includes a through hole passing through between the first surface and the second surface; and a first electrode that includes a main electrode portion containing a glass component and formed on the first surface of the semiconductor substrate and a conducting portion electrically connected to the main electrode portion, formed in the through hole of the semiconductor substrate, and having a lower glass-component content than the main electrode portion.

Abstract: A solar cell module with a simple configuration and high efficiency is provided. A solar cell module of the present invention is configured by electrically connecting a plurality of solar cell elements. Each of the plurality of solar cell elements includes a plurality of first connection parts representing wiring connection parts in a first electrode and a plurality of second connection parts representing wiring connection parts in a second electrode on the same surface. A first solar cell element and a second solar cell element arranged adjacent to each other have portions of the plurality of first connection parts of the first solar cell element and the plurality of second connection parts of the second solar cell element connected by a wiring having a linear form in plan view.

Abstract: A surface electrode (5) is installed on the light receiving surface of a solar cell element, the surface electrode (5) comprises three bus bar electrodes (5a) for extracting light-produced at the solar cell element to the outside and collecting finger electrodes (5b) connected to these bus bar electrodes (5a), and the bus bar electrodes (5a) are not less than 0.5 mm and not more than 2 mm in width and the finger electrodes (5b) are not less than 0.05 mm and not more than 0.1 mm in width. A high-efficient solar cell module can be obtained with substantially lowered resistance by increasing the number of bus bar electrode (5a) and thereby decreasing the lengths of the finger electrodes (5b).

Abstract: A surface electrode (5) is installed on the light receiving surface of a solar cell element, the surface electrode (5) comprises three bus bar electrodes (5a) for extracting light-produced at the solar cell element to the outside and collecting finger electrodes (5b) connected to these bus bar electrodes (5a), and the bus bar electrodes (5a) are not less than 0.5 mm and not more than 2 mm in width and the finger electrodes (5b) are not less than 0.05 mm and not more than 0.1 mm in width. A high-efficient solar cell module can be obtained with substantially lowered resistance by increasing the number of bus bar electrode (5a) and thereby decreasing the lengths of the finger electrodes (5b).

Abstract: Disclosed are: a printing plate having improved productivity; and a method for manufacturing a solar cell element, which uses the printing plate. A printing plate according to one embodiment of the present invention comprises: a metal plate; a buffer layer that is arranged on one main surface of the metal plate; and a slit that penetrates through the metal plate and the buffer layer. The slit has a first penetrating part that is located in the metal plate, a second penetrating part that is located in the buffer layer, and a bridge that is arranged inside and across the first penetrating part. When viewed in plan from the above-mentioned main surface side, the buffer layer-side opening edge of the first penetrating part is inside the metal plate-side opening edge of the second penetrating part.

Abstract: A solar cell module with a simple configuration and high efficiency is provided. A solar cell module of the present invention is configured by electrically connecting a plurality of solar cell elements. Each of the plurality of solar cell elements includes a plurality of first connection parts representing wiring connection parts in a first electrode and a plurality of second connection parts representing wiring connection parts in a second electrode on the same surface. A first solar cell element and a second solar cell element arranged adjacent to each other have portions of the plurality of first connection parts of the first solar cell element and the plurality of second connection parts of the second solar cell element connected by a wiring having a linear form in plan view.

Abstract: A solar cell module with a simple configuration and high efficiency is provided. A solar cell module of the present invention is configured by electrically connecting a plurality of solar cell elements. Each of the plurality of solar cell elements includes a plurality of first connection parts representing wiring connection parts in a first electrode and a plurality of second connection parts representing wiring connection parts in a second electrode on the same surface. A first solar cell element and a second solar cell element arranged adjacent to each other have portions of the plurality of first connection parts of the first solar cell element and the plurality of second connection parts of the second solar cell element connected by a wiring having a linear form in plan view.

Abstract: Disclosed are: a printing plate having improved productivity; and a method for manufacturing a solar cell element, which uses the printing plate. A printing plate according to one embodiment of the present invention comprises: a metal plate; a buffer layer that is arranged on one main surface of the metal plate; and a slit that penetrates through the metal plate and the buffer layer. The slit has a first penetrating part that is located in the metal plate, a second penetrating part that is located in the buffer layer, and a bridge that is arranged inside and across the first penetrating part. When viewed in plan from the above-mentioned main surface side, the buffer layer-side opening edge of the first penetrating part is inside the metal plate-side opening edge of the second penetrating part.

Abstract: A surface electrode (5) is installed on the light receiving surface of a solar cell element, the surface electrode (5) comprises three bus bar electrodes (5a) for extracting light-produced at the solar cell element to the outside and collecting finger electrodes (5b) connected to these bus bar electrodes (5a), and the bus bar electrodes (5a) are not less than 0.5 mm and not more than 2 mm in width and the finger electrodes (5b) are not less than 0.05 mm and not more than 0.1 mm in width. A high-efficient solar cell module can be obtained with substantially lowered resistance by increasing the number of bus bar electrode (5a) and thereby decreasing the lengths of the finger electrodes (5b).

Abstract: A photovoltaic conversion element includes a one conductivity-type crystalline Si semiconductor; an opposite conductivity-type semiconductor which is joined to the crystalline Si semiconductor to form a pn junction therebetween; an electrode provided on the opposite conductivity-type semiconductor; and a depletion region formed from the side of the one conductivity-type crystalline Si semiconductor to the side of the opposite conductivity-type semiconductor across the pn junction formed therebetween. The depletion region has a first depletion region located inside the crystalline Si semiconductor and under the electrode, and the first depletion region has an oxygen concentration of 1E18 [atoms/cm3] or less.

Abstract: A solar cell element comprising a semiconductor substrate including a first surface to receive light, and a second surface provided on a back side of the first surface, a plurality of base collector electrodes provided on the second surface of the semiconductor substrate, a plurality of collector electrodes provided on the plurality of base collector electrodes, a connector electrode to electrically connect the collector electrodes adjacent to each other across a region between the plurality of base collector electrodes among the plurality of collector electrodes. A first extracting electrode provided between the plurality of base collector electrodes, and a second extracting electrode electrically connected to at least one of the plurality of collector electrodes.

Abstract: A solar cell with a simple configuration and high efficiency, and a manufacturing method therefor are provided. A solar cell of the present invention includes a semiconductor substrate that has a first surface receiving sunlight and a second surface on the back side of the first surface and that includes a through hole passing through between the first surface and the second surface; and a first electrode that includes a main electrode portion containing a glass component and formed on the first surface of the semiconductor substrate and a conducting portion electrically connected to the main electrode portion, formed in the through hole of the semiconductor substrate, and having a lower glass-component content than the main electrode portion.

Abstract: The conductive paste contains a conductive metal powder and an organic vehicle. The conductive paste has characteristics that the viscosity falls within the range of 200 Pa·s to 350 Pa·s when the shear rate of 10 s?1 is applied and within the range of 80 Pa·s to 120 Pa·s when the shear rate of 40 s?1 is applied under 25° C. and magnitudes of a storage elastic modulus G? and a loss elastic modulus G? are reversed when distortion applied to the conductive paste at the frequency of 1 Hz is varied from 0 to 20%.

Abstract: [Object] An object is to provide a solar cell element exhibiting a reduced warp, a low resistance loss and a high adhesion between the silicon substrate and the electrode, and a method for manufacturing the same. [Solving Means] The solar cell element includes a silicon substrate 1, and a first electrode 5a formed of aluminum and a metal containing zinc on the silicon substrate 1. The solar cell element is produced by a method including the step of preparing a silicon substrate and an electroconductive paste containing an aluminum powder and a powder containing zinc, the step of applying the electroconductive paste onto the silicon substrate, the step of heating the electroconductive paste applied onto the silicon substrate at a temperature higher than the melting point of the powder containing zinc to melt the electroconductive paste, and the step of cooling the molten electroconductive paste to form an electrode.

Abstract: A solar cell module with a simple configuration and high efficiency is provided. A solar cell module of the present invention is configured by electrically connecting a plurality of solar cell elements. Each of the plurality of solar cell elements includes a plurality of first connection parts representing wiring connection parts in a first electrode and a plurality of second connection parts representing wiring connection parts in a second electrode on the same surface. A first solar cell element and a second solar cell element arranged adjacent to each other have portions of the plurality of first connection parts of the first solar cell element and the plurality of second connection parts of the second solar cell element connected by a wiring having a linear form in plan view.

Abstract: A photovoltaic conversion element includes a one conductivity-type crystalline Si semiconductor; an opposite conductivity-type semiconductor which is joined to the crystalline Si semiconductor to form a pn junction therebetween; an electrode provided on the opposite conductivity-type semiconductor; and a depletion region formed from the side of the one conductivity-type crystalline Si semiconductor to the side of the opposite conductivity-type semiconductor across the pn junction formed therebetween. The depletion region has a first depletion region located inside the crystalline Si semiconductor and under the electrode, and the first depletion region has an oxygen concentration of 1E18 [atoms/cm3] or less.

Abstract: A surface electrode (5) is installed on the light receiving surface of a solar cell element, the surface electrode (5) comprises three bus bar electrodes (5a) for extracting light-produced at the solar cell element to the outside and collecting finger electrodes (5b) connected to these bus bar electrodes (5a), and the bus bar electrodes (5a) are not less than 0.5 mm and not more than 2 mm in width and the finger electrodes (5b) are not less than 0.05 mm and not more than 0.1 mm in width. A high-efficient solar cell module can be obtained with substantially lowered resistance by increasing the number of bus bar electrode (5a) and thereby decreasing the lengths of the finger electrodes (5b).