Provided is a photovoltaic solar cell, a solar cell module and a manufacturing process. The photovoltaic solar cell includes a silicon substrate, and a passivation layer located on at least one surface of the silicon substrate. An electrode, an electrode pad and an extension line are printed on at least one surface of the silicon substrate. The electrode includes a busbar and a finger crossed with each other, and the finger is in contact with the silicon substrate. Two ends of the extension line are respectively connected to the busbar and the electrode pad, and the extension line is in contact with the silicon substrate.

A fail proof electrical connector apparatus offers a unique structure for solar photovoltaic (PV) system installations. The apparatus includes a compact connector enclosure that can be installed at flexible locations of a solar module. The tabs of the connector enclosure connect to various solar cells of the module. The insertion pins of the tabs are mounted inside plugs of a pin connector, which connects to a cable. The cable comprises a one-plug end and a multiple-plug end with a wire connecting both. Of the two or more plugs of the multiple-plug end, only one active plug is electrically connected to the wire. The cable is connected to the module with the active plug being inserted to a center plug of the pin connector, and the one-plug end connected to an outer plug of the pin connector of an adjacent module, thus, achieving fail proof, reliable installations while saving labor hours.

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.

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.

An energy harvester, wherein it comprises: a flat plate-like energy harvesting part having a power generation region which generates electric power by utilizing an energy in the external environment and an internal wiring to which the electric power thus generated is supplied; a connector part connectable to an external device; a diode of which anode is electrically connected with the internal wiring; and a flexible wiring sub state on which the diode and a connection part for electrically connecting a cathode of the diode to the connector part are provided, wherein the internal wiring extends from the power generation region to a side edge portion of the energy harvesting part, and at least a portion of the flexible wiring substrate is provided in the side edge portion so as to overlap a portion of the internal wiring.

A FPCB/FCCL replacing a tinned-copper welding strip as a photovoltaic module bus bar is a composite material including an insulating base material and a conductive layer, and the insulating base material is made from PI or PET, and the conductive layer is generally the copper foil. According to the present invention, when the flexible solar module adopts the FPCB/FCCL to replace the tinned-copper welding strip as the photovoltaic module bus bar, the product quality and product stability are greatly improved, and the FPCB/FCCL bus bar is also suitable for the double-glass solar module and the single-glass solar module. The copper foil of FPCB/FCCL may be integrated with circuits, or be the complete copper foil (without circuits), or the copper foil of FPCB/FCCL may simultaneously has the part with circuits and the part without circuits.

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.

Embodiments of the present invention may utilize one or more techniques, alone or in combination, to maximize a surface area of a receiver that is configured to convert light into another form of energy. One technique enhances collection efficiency by controlling a size, shape, and/or position of a cell relative to an expected illumination profile under various conditions. Another technique positions non-active elements (such as electrical contacts and/or interconnects) on surfaces likely to be shaded from incident light by other elements of the receiver. Another technique utilizes embodiments of interconnect structures occupying a small footprint. According to certain embodiments, the receiver may be cooled by exposure to a fluid such as water or air.

A solar cell can include a silicon semiconductor substrate; an oxide layer on a first surface of the silicon semiconductor substrate; a polysilicon layer on the oxide layer; a diffusion region at a second surface of the silicon semiconductor substrate; a dielectric film on the polysilicon layer; a first electrode connected to the polysilicon layer through the dielectric film; a passivation film on the diffusion region; and a second electrode connected to the diffusion region through the passivation film.