The present invention discloses a method for preparing a small-width linear structure on the upper surface of a target layer of a layer stack and application thereof. The method includes the steps of: acquiring the preset positions of both sides of the linear structure on the upper surface of the target layer, which are denoted as a first side position and a second side position; forming a protruding line at at least one side position by producing a plurality of protrusions at intervals along the side length direction at at least one of the first side position and the second side position of the upper surface of the target layer; and applying a liquid-type linear structure material to one side of the protruding line for deposition to obtain a linear structure confined to one side of the protruding line.

Photovoltaic module with a plurality of thin film photovoltaic cells (2). Each thin film photovoltaic cell (2) has a transparent electrode (12) provided on a transparent substrate (11), a solar cell stack (13) positioned on the transparent electrode (12), and a top electrode (14) positioned on the solar cell stack (13). A plurality of parallel connected PV cell units (3) are provided, each comprising a string of series connected PV cells (2). A positive connection part (6, 20a) and a negative connection part (5, 20b) are present in a single top interconnection layer, providing the parallel connection circuit of the parallel connected PV cell units (3). At least one cross over connection member (9a, 9b) is present in a layer different from the single top interconnection layer, which provides an electrical connection in the negative connection part (5, 20b) and/or in the positive connection part (6, 20a).

Photovoltaic module with a plurality of thin film photovoltaic cells (2). Each thin film photovoltaic cell (2) has a transparent electrode (12) provided on a transparent substrate (11), a solar cell stack (13) positioned on the transparent electrode (12), and a top electrode (14) positioned on the solar cell stack (13). A plurality of parallel connected PV cell units (3) are provided, each comprising a string of series connected PV cells (2). A positive connection part (6, 20a) and a negative connection part (5, 20b) are present in a single top interconnection layer, providing the parallel connection circuit of the parallel connected PV cell units (3). At least one cross over connection member (9a, 9b) is present in a layer different from the single top interconnection layer, which provides an electrical connection in the negative connection part (5, 20b) and/or in the positive connection part (6, 20a).

The present application relates to a solar cell and a method for preparing the same, a photovoltaic module, and a power consuming device. The solar cell may have a plurality of sub-cells, each of the plurality of sub-cells including a first electrode layer, a photovoltaic conversion module, and a second electrode layer that may be sequentially stacked along a thickness direction of the sub-cell, the second electrode layer including a main body portion and a connection portion electrically connected to the main body portion, and the connection portion of one of the plurality of sub-cells being configured to be electrically connected to the first electrode layer of another sub-cell, such that the plurality of sub-cells may be electrically connected, where a thickness of the main body portion may be greater than that of the connection portion.

A method for optimizing the aspect ratio of a metal grid based on surface modification includes: obtaining a photovoltaic module including a front electrode; providing a laser process on the front electrode; and forming protrusion structures on the top of the front electrode by laser induction, at least two rows of protrusion structure groups forming a confining space, so that the width of liquid applied is confined within the spacing between the two adjacent protrusion structure groups and the thickness of the liquid applied is confined within the height of the formed protruding. Since the upwardly shaped protrusion structures, which may be irregular structures, are formed by laser induction on the top of the front electrode composed of a material of the front electrode, the ink and/or paste applied are confined between two or more lines.

Described is a flexible composite strip including a flexible printed circuit comprising at least a first and a second conductor track, a plurality of groups of photovoltaic cells being connected in parallel to said first and second tracks for supplying them; the composite strip comprises a plurality of soldering pads at which the first and second conductor tracks are accessible; the flexible composite strip is configured to be cut at the soldering pads.

Described is a flexible composite strip including a flexible printed circuit comprising at least a first and a second conductor track, a plurality of groups of photovoltaic cells being connected in parallel to said first and second tracks for supplying them; the composite strip comprises a plurality of soldering pads at which the first and second conductor tracks are accessible; the flexible composite strip is configured to be cut at the soldering pads.

A space power module (SPM) can include a plurality of solar cells, a plurality of interconnect elements, and a plurality of planar pieces of cover glass forming a mosaic sheet of cover glass overlaying light receiving surfaces of the plurality of solar cells. Each interconnect element can connect two adjacent solar cells of the plurality of solar cells and can be arranged in-plane relative to the two adjacent cells. The plurality of planar pieces of cover glass can cover at least portions of the plurality of interconnect elements.

A space power module (SPM) can include a plurality of solar cells, a plurality of interconnect elements, and a plurality of planar pieces of cover glass forming a mosaic sheet of cover glass overlaying light receiving surfaces of the plurality of solar cells. Each interconnect element can connect two adjacent solar cells of the plurality of solar cells and can be arranged in-plane relative to the two adjacent cells. The plurality of planar pieces of cover glass can cover at least portions of the plurality of interconnect elements.

The present invention relates to a solar cell and a method of manufacturing the same. The method of manufacturing the solar cell, according to the present invention, includes: a first step of forming a lower transparent resin layer on a lower cover glass; a second step of disposing a plurality of thin-film solar cells and a plurality of glass blocks on the lower transparent resin layer; a third step of forming an upper transparent resin layer on top of the plurality of thin-film solar cells and the plurality of glass blocks; and a fourth step of disposing an upper cover glass on the upper transparent resin layer to configure the solar cell, wherein, in the second step, the plurality of glass blocks are each disposed between the plurality of thin-film solar cells on the lower transparent resin layer.