A system of interconnected solar cells is described. The system includes a first solar cell. The system includes a second solar cell adjacent to the first solar cell. The system includes a conductive interconnect configured to conduct electricity between a first terminal of the first solar cell and a second terminal of the second solar cell. The conductive interconnect includes a first end aligned on an axis and configured to conduct electricity at a first terminal on the first solar cell. The conductive interconnect includes a second end aligned on the axis and configured to conduct electricity at a second terminal on the second solar cell. The conductive interconnect includes a center portion connecting the first end to the second end and configured to conduct electricity between the first end and the second end.

A solar cell panel can include a plurality of solar cells; and a diode member connected to the plurality of solar cells, the diode member being formed of a solar cell unit disposed within the solar cell panel under at least a portion of one of the plurality of solar cells at a non-light-incident region.

A special-figure design ribbon for connecting back contact cells includes a body, a plurality of first solder joints, and a plurality of second solder joints. The plurality of first solder joints and the plurality of second solder joints are respectively located on two sides of the body in a width direction. Each of the first solder joints stretches outward from a first side of the body. Each of the second solder joints stretches outward from a second side of the body. A shape of each first solder joint is different from a shape of each second solder joint. Center lines of at least one set of the first solder joint and the second solder joint adjacent to each other are staggered from each other in the width direction of the body.

A high efficiency configuration for a solar cell module comprises solar cells conductively bonded to each other in a shingled manner to form super cells, which may be arranged to efficiently use the area of the solar module, reduce series resistance, and increase module efficiency.

A solar device includes a first string of first solar wafers, wherein a plurality of the first solar wafers each overlap with at least one vertically adjacent solar wafer from the first string. Additionally, the solar device includes a second string of second solar wafers, wherein a plurality of the second solar wafers each overlap with at least one vertically adjacent solar wafer from the second string, wherein a plurality of the first solar wafers overlap with one or more of the plurality of second solar wafers to electrically connect horizontally adjacent solar wafers in parallel.

A solar cell according to an embodiment of the present invention includes a semiconductor substrate; a first conductive type region positioned at or on the semiconductor substrate; and a first electrode electrically connected to the first conductive type region. The first electrode includes a plurality of first finger lines formed in a first direction and parallel to each other; and a plurality of first bus bars including a plurality of first pad portions positioned in a second direction intersecting with the first direction. The plurality of first finger lines include a contact portion which is in direct contact with the first conductive type region. The plurality of first pad portions have a different material, a composition, or a multi-layered structure that is different from that of the plurality of first finger lines, and are spaced apart from the first conductive type region.

The present disclosure relates to a 3D formable photovoltaic solar panel, in particular to a semi-finished free-formable photovoltaic module for a 3D formed solar panel, and to a method for manufacturing thereof. The semi-finished free-formable photovoltaic module comprising: a plurality of laterally spaced back contactable flexible photovoltaic elements; a plurality of flexible electrically conductive wiring elements forming an electrically conductive interconnection between flexible photovoltaic elements, each wiring element having an overlap with the respective back terminals of adjacent flexible photovoltaic elements; and an encapsulant over layer, wherein the encapsulant cover layer essentially fixates the overlaps of the wiring elements with respect to the respective back terminals.

Provided is a solder strip. A cross section of the solder strip includes a base portion and a reflective portion arranged above the base portion. The reflective portion includes a top edge, a first side edge and a second side edge. A first angle is formed between the first side edge and an extension line of the top edge. A second angle is formed between the second side edge and the extension line of the top edge. The first angle and the second angle are greater than 42.5° .

A solar cell includes a substrate having a front surface and a back surface; an emitter formed on the front surface of the substrate; a plurality of first electrodes positioned on the emitter and extended in first direction; a plurality of first bus lines positioned on the emitter and extended in second direction crossing to the first direction; a plurality of back surface field regions formed on the back surface of the substrate and extended in the first direction; a plurality of second electrodes positioned on the plurality of back surface field regions and extended in the first direction; and, a plurality of second bus lines extended in the second direction.

The present invention relates to a solar cell having an edge collecting electrode and a solar cell module comprising the same, the solar cell being capable of preventing a cell crack phenomenon caused by an interconnector and improving an adhesive characteristic of the interconnector by dividing a planar area of the solar cell into a main area and an edge area and positioning the outermost contact point of the interconnector at a boundary between the main area and the edge area, and being capable of improving carrier collecting efficiency by arranging, in the edge area, the edge collecting electrode and the branched electrode which are physically separated from the interconnector.