Abstract: In the solar cell module including a plurality of solar cells interconnected with wiring members, each of the solar cells includes a plurality of front-side finger electrodes that are disposed on a light-receiving surface of the solar cell and connected with tabs and a plurality of rear-side finger electrodes that are disposed on a rear surface of the solar cell and connected with tabs. Rear-side auxiliary electrode sections are arranged in regions, which is wider than the front-side finger electrodes, on the rear surface opposite to regions where the front-side finger electrodes are present.

Abstract: A solar cell according to the present invention includes: a photoelectric conversion part having a photoelectric converting function; and a collector electrode provided at a side of a light-receiving surface of the photoelectric conversion part in a way that parts of the light-receiving surface are exposed. Interconnection tabs are connected at a side of a light-receiving surface of the collector electrode with an adhesive being interposed in between. The collector electrode contains a thermosetting first resin, an conductive material and a second resin for forming a sea-island structure between the second resin and the first resin. The collector electrode includes an internal region in the inside, a concentration ratio of the second resin to the first resin being higher in the internal region than in the surface region at the side of either the adhesive or the photoelectric conversion part.

Abstract: A solar cell (10) provided with connecting wires (351) which are connected to light receiving surface side fine-line electrodes (30A). The connecting wires (351) have expanding portions (BP1, BP2) which expand from the connection region (R1) where wiring member is to be connected. The expanding portions (BP1, BP2) expand in an orthogonal direction orthogonal to the longitudinal direction of the wiring material in a state where the wiring member is connected to the connecting wires (351).

Abstract: Provided is a solar cell in which a linear n finger electrode and a linear p finger electrode are alternately arranged on a projection plane parallel to a main surface of a substrate, and which is arranged in a predetermined arrangement direction, including an n-side bus bar electrode connected to the n finger electrode and insulated from the p finger electrode and a p-side bus bar electrode connected to the p finger electrode and insulated from the n finger electrode. The n-side bus bar electrode and the p-side bus bar electrode are provided on a same main surface side of the substrate, intersect with the n finger electrode and the p finger electrode respectively on the projection plane, and have a slope angle relative to the predetermined arrangement direction.

Abstract: The battery charging apparatus has an auxiliary battery 1, a first charging circuit 20 for charging the auxiliary battery 1 with a first charging current derived from an externally connected commercial power source AC, and a second charging circuit 30 for charging the load battery LB with a second charging current that is higher than the first charging current and is derived from power from the auxiliary battery 1, which is charged by the first charging circuit 20. The first charging circuit 20 is connected to allow power supply to the auxiliary battery 1 and the second charging circuit 30. This makes charging circuit switching unnecessary and eliminates the need for components such as high-power switching devices. The charging apparatus has the positive features that stability and reliability are improved, and the load battery can be charged with the auxiliary battery 1 in a shorter time than using commercial power.

Abstract: Conductive paste allowing narrowing of an electrode prepared from the conductive paste and suppressing increase of resistance resulting from a small sectional area of the electrode is obtained. This conductive paste comprises binder resin, a conductive material dispersed in the binder resin and an additive, dispersed in the binder resin, containing at least either layered sulfide particles or spheroidal particles.

Abstract: A solar-cell module comprises a plurality of solar cells electrically connected each other by wiring materials. Each solar cell comprises: a photoelectric conversion body including a first surface irradiated with light and a second surface located on the opposite side to the first surface, the photoelectric conversion body configured to generate carriers by the irradiation of light; a plurality of finger electrodes provided on both the first surface and the second surface, and configured to collect the carriers generated by the photoelectric conversion body; and a busbar electrode provided on each of the first surface and the second surface so as to intersect the plurality of finger electrodes, and having a non-linear shape. Each of the busbar electrodes provided on the first surface and the busbar electrode formed on the second surface includes at least two markers for alignment of positions.

Abstract: A ratio of an area in which a first exposed portion 12b is formed to an area of a first main surface A (a first value v) is smaller than a ratio of an area in which a second exposed portion 13b to an area of the second main surface B (a second value w). A ratio of the first value v to the second value w is smaller than a ratio of a third value x to a fourth value y, where the third value x is a ratio of an area in which the first connecting portion 12a is formed to an area of a region C, and the fourth value y is a ratio of an area in which the second connecting portion 13a is formed to an area of a region D.

Abstract: An aspect of the invention provides a method for measuring I-V characteristics of a solar cell, the solar cell comprising a plurality of fine line-shaped electrodes formed on a first surface in a predetermined direction; and a coupling line formed on the first surface that electrically couples at least two fine line-shaped electrodes among the plurality of fine line-shaped electrodes, the coupling line having a line width larger than a line width of the fine line-shaped electrodes. The method includes: contacting a probe pin for voltage measurement with the coupling line; contacting two or more probe pins for current measurement electrically connected to each other with two or more fine line-shaped electrodes including the fine line-shaped electrodes coupled to each other by the coupling line among the plurality of fine line-shaped electrodes; and measuring I-V characteristics while irradiating the first surface with light.

Abstract: In the solar cell module 100, the resin adhesive 12 includes a plurality of removed portions 12a on the principal surface of the photoelectric conversion part 20 by removing the resin adhesive 12 in a vertical direction. The plurality of removed portions 12a are formed in the row in cross directions K.

Abstract: A wiring member is arranged on protruding parts each formed so as to protrude toward a thin line-shaped electrode adjacent to one portion of the thin line-shaped electrode, and is connected to the thin line-shaped electrodes on the protruding parts. At this time, the longitudinal direction of the wiring member becomes a direction along the arrangement direction, and thus becomes the same direction as the protruding direction of the protruding part.

Abstract: A first surface of a first section of a connection member includes a first conductive region, and a second surface of a second section of the connection member includes a second conductive region. The first conductive region is formed along an n-side electrode included in one solar cell, and is electrically connected to the n-side electrode. The second conductive region is formed along a p-side electrode included in a different solar cell, and is electrically connected to the p-side electrode. The first conductive region and the second conductive region are electrically connected to each other.

Abstract: A wiring member is arranged to have a protruding portion extending beyond a bonding layer at its end in the extending direction

Abstract: Provided is a solar cell in which a linear n finger electrode and a linear p finger electrode are alternately arranged on a projection plane parallel to a main surface of a substrate, and which is arranged in a predetermined arrangement direction, including an n-side bus bar electrode connected to the n finger electrode and insulated from the p finger electrode and a p-side bus bar electrode connected to the p finger electrode and insulated from the n finger electrode. The n-side bus bar electrode and the p-side bus bar electrode are provided on a same main surface side of the substrate, intersect with the n finger electrode and the p finger electrode respectively on the projection plane, and have a slope angle relative to the predetermined arrangement direction.

Abstract: A solar cell according to the present invention includes: a photoelectric conversion part having a photoelectric converting function; and a collector electrode provided at a side of a light-receiving surface of the photoelectric conversion part in a way that parts of the light-receiving surface are exposed. Interconnection tabs are connected at a side of a light-receiving surface of the collector electrode with an adhesive being interposed in between. The collector electrode contains a thermosetting first resin, an conductive material and a second resin for forming a sea-island structure between the second resin and the first resin. The collector electrode includes an internal region in the inside, a concentration ratio of the second resin to the first resin being higher in the internal region than in the surface region at the side of either the adhesive or the photoelectric conversion part.

Abstract: With the method for manufacturing the solar cell module according to the present embodiment, the width W1 of the connection region C in which the wiring member 11 and the connecting electrode 40 are electrically connected is set to be larger than the substantially half of the width W2 of the wiring member 11 in the thermocompression bonding process of the wiring member 11 using the resin adhesive 12 including the particles 13 onto the principal surface of the solar cell 10.

Abstract: In the solar cell module 1, one finger electrode 30 is branched into multiple branched portions 30a in an intersecting region ? where the one finger electrode 30 intersects a conductive body including a wiring member 40 configured to collect photo-generated carriers from the finger electrode 30.

Abstract: A fin (6) is provided with a rib (15) extending generally parallel to an outer edge (25) of the fin (6) and insertion holes (22) placed in staggered arrangement for receiving heat exchange tubes. The insertion holes (22) and the rib (15) are formed such that when an inside diameter of the insertion holes (22) is set as D [mm], a distance between a center of the insertion hole (22) and the outer edge (25) is set as L [mm], a distance between a center of the rib (15) and the outer edge (25) is set as La [mm], a width of the rib (15) is set as LL1 [mm], a thickness of the fin (6) is set as t [mm], a height of the rib (15) is set as h1 [mm], and a minimum distance between the insertion holes is set as P [mm], then 0.4<La<(L?D/2?0.5), 0.15<LL1<0.5, 0.05<t<0.15, 0.5t<h1<2.5t, D<7.5, P>15, and D/P<0.5.

Abstract: An air purification member is provided that can reduce the generation of unpleasant odor or the occurrence of air contamination without necessitating frequent cleaning or replacement. The air purification member can be part of an air purification unit or an air conditioning apparatus. A first photocatalytic filter of an air purifier is a filter for purifying air that contains particulates containing viruses or microbes, and is provided with a photocatalytic filter and a photocatalytic apatite. The photocatalytic filter collects the particulates. The photocatalytic apatite removes viruses or microbes that are contained in the particulates collected by the photocatalytic filter.

Abstract: A heat exchanger includes an auxiliary heat exchanger, which has plate-shaped first fins and a plurality of first heat transfer tubes, and a main heat exchanger which has plate-shaped second fins and a plurality of second heat transfers tubes. A plurality of burrs are present at specified intervals on edges of the first fins. The auxiliary heat exchanger and the main heat exchanger are so positioned that the edges of the first fins on which the burrs are present are in contact with edges of the second fins, and the edges having the burrs present thereon are positioned on the inner side.