Metallization of semiconductor substrates using a laser beam, and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, solar cell circuit, solar cell strings, and solar cell arrays are described. A solar cell string can include a plurality of solar cells. The plurality of solar cells can include a substrate and a plurality of semiconductor regions disposed in or above the substrate. A plurality of conductive contact structures is electrically connected to the plurality semiconductor regions. Each conductive contact structure includes a locally deposited metal portion disposed in contact with a corresponding one of the semiconductor regions.

A solar battery module having high photoelectric conversion efficiency and superior aesthetic appearance. A solar battery module comprises a plate-shaped front-surface protection material having, on an exterior peripheral part, a light-blocking region that blocks light; a plurality of solar battery strings each having a plurality of solar battery cells that are aligned in one line in a first direction and connected, the plurality of solar battery strings being positioned aligned in a second direction that intersects with the first direction on the back side of the front-surface protection material; a plate-shaped or sheet-shaped back-surface protection material positioned on the back side of the plurality of solar battery strings; and a sealing material filled between the front-surface protection material and the back-surface protection material. The solar battery strings are arranged so that a portion of at least one end of the solar battery cells overlaps with the light-blocking region.

A solar cell module comprising a plurality of solar cells mounted on a flexible support, the support comprising a conductive layer on the top surface thereof divided into two electrically isolated portions—a first conductive portion and a second conductive portion. Each solar cell comprises a front surface, a rear surface, and a first contact on the rear surface and a second contact on the front surface. Each one of the plurality of solar cells is placed on the first conductive portion with the first contact electrically connected to the first conductive portion so that the solar cells are connected through the first conductive portion. A second contact of each solar cell is then connected to the second conductive portion by a respective interconnect.

A solar cell module, which is easily coordinated with the color of an exterior member at the installation position, comprises a solar cell; a light receiving side sealing material and a light receiving side protection member laminated and disposed in this order on a light receiving side with reference to the solar cell; and a back-side sealing material and a back-side protection member laminated and arranged in this order on a back side on the opposite side from the light receiving side. A value computed from a measured value of the color of reflected light combining positive reflected light and diffused reflected light which are based on light that has become incident on an object to be measured, and a measured value of the color only of the diffused reflected light based on the light that has become incident on the object to be measured, satisfies a specific condition.

Provided is a solar cell assembly that includes a plurality of small segments serving as a plurality of solar cells when divided, and has one linear side in plan view, each of the plurality of small segments being defined by a defining line, which is a straight line substantially parallel to the linear one side of the cell assembly, the solar cell assembly including: a photoelectric conversion part having a main surface; a transparent conductive layer disposed on an area of the main surface of the photoelectric conversion part corresponding to each of the plurality of small segments, the transparent conductive layer having a first area and a second area located at a different position from the first area; a collector electrode disposed on the first area of the transparent conductive layer and including a plating layer; and a transparent insulating layer disposed on the second area of the transparent conductive layer, in which the photoelectric conversion part is exposed in a defining area, which is an area formed along the defining line and including the defining line.

Each of at least three solar cell strings has a first end and a second end in a first direction each including a connector. At the first end and the second end, a wire member is provided to which the connector of the first end of each of at least two solar cell strings out of the at least three solar cell strings and the connector of the second end thereof are connected. A first sheet member is provided to allow the wire member at the first end to be located in a specific positional relationship with the wire member at the second end, and a second sheet member is provided to allow the wire member at the second end to be located in a specific positional relationship with the wire member at the first end.

The finger electrode is formed by hard-soldered silver paste. The melting point of the first type solder layer provided on the surface of the terminal wiring member is higher than the melting point of the second type solder layer provided on the surface of the wire. The first width, in the first direction, of the second type solder layer in the first portion where the wire is connected to the terminal wiring member is larger than the second width, in the first direction, of the second type solder layer in the second portion where the wire is connected to the finger electrode.

A photovoltaic converter for electric power generating panels includes a plurality of photovoltaic modules (5), each comprising a substrate (14), extending along a main direction (D) from a first end to a second end, and a plurality of photovoltaic devices (15), arranged on the substrate (14) in succession along the main direction (D). The photovoltaic converter further includes at least a bridge module (10, 11) insertion-connecting a respective upstream photovoltaic module (5) and a respective downstream photovoltaic module (5).

A conductive interconnection member includes: a conductive layer (1), and an insulating layer (4) and electrical connectors (2) located on one side of the conductive layer (1). The conductive layer (1) is provided with a conductive circuit; the insulating layer (4) is provided with openings (41), and the electrical connectors (2) are located in the openings (41) of the insulating layer (4); the electrical connectors (2) include a first electrical connector (21) and a second electrical connector (22); the first electrical connector (21) is used to be electrically connected to a first electrode (31) of a back contact solar cell (3) and the conductive circuit; the second electrical connector (22) is used to be electrically connected to a second electrode (32) of a back contact solar cell (3) and the conductive circuit; and the polarities of the first electrode (31) and the second electrode (32) are opposite.

A welding ribbon and a solar cell assembly are provided. The welding ribbon comprises a composite core and a coating wrapped around said composite core; the composite core comprises a plurality of welding cores, at least one first bending part is provided on each of said welding cores, and the plurality of welding cores are wound with each other by means of the respective first bending parts to form the composite core; in addition, at least one third bending part is also provided on the welding ribbon, at least one of the third bending parts is closely attached to the middle part of the corresponding battery sheet, and the direction of bending of the third bending part is perpendicular to the length direction of the welding core.