A high power solar cell module including a cover plate, a back plate, a first encapsulation, a second encapsulation, a plurality of N type hetero-junction solar cells, and a plurality of reflective connection ribbons is provided. The back plate is opposite to the cover plate. The first encapsulation is located between the cover plate and the back plate. The second encapsulation is located between the first encapsulation and the back plate. The N type hetero-junction solar cells and the reflective connection ribbons are located between the first encapsulation and the second encapsulation, and any two adjacent N type hetero junction solar cells are connected in series along a first direction by at least one of the reflective connection ribbons, wherein each of the reflective connection ribbons has a plurality of triangle columnar structures. Each of the triangle columnar structures points to the cover plate and extends along the first direction.

Disclosed are a solar cell module and a method of fabricating the same. The solar cell module includes a substrate, a solar cell panel located on the substrate and including a plurality of solar cells, a buffer sheet on the solar cell panel, and a bus bar connected to one of the solar cells while passing through the buffer sheet. The method of fabricating a solar cell module includes forming a solar cell panel including a plurality of solar cells on a substrate, forming a buffer sheet including a bus bar connected to one of the solar cells, and locating the buffer sheet including the bus bar on the solar cell panel. The bus bar passes through the buffer sheet.

Photovoltaic module with a negative terminal (5) and a positive terminal (6), and a parallel connection (3, 4) of m sub-modules (2) connected to the negative and the positive terminal (5, 6) of the photovoltaic module (1). Each of the m sub-modules (2) has a string of n series-connected back-contact cells (9), wherein the n cells (9) of each sub-module (2) are arranged in an array. The parallel connection (3, 4) and connections (8) for each string of n series-connected back contact cells (9) are provided in a back conductive sheet, and the back conductive sheet comprises designated areas (7) for the parallel connection (3, 4), corresponding to edge parts of each corresponding sub-module (2).

A solar cell includes: first and second conductivity type diffusion layers which are formed on a backside of a light-receiving surface of a substrate, first and second electrode portions, first and second electrode line portions, and first and a second electrode bus bar portions; a first insulator film which is formed to cover a side portion and a top of the second electrode portion in an intersection region of the second electrode portion and the first electrode bus bar portion, a second insulator film which is formed to cover a side portion and a top of the first electrode portion in an intersection region of the first electrode portion and the second electrode bus bar portion, wherein the second electrode portion is formed continuously in a line shape under the first insulator film, and the first electrode portion is formed continuously in a line shape under the second insulator film.

Solar cells having a plurality of sub-cells coupled by metallization structures having a metal bridge, and singulation approaches to forming solar cells having a plurality of sub-cells coupled by metallization structures, are described. In an example, the metal bridge can provide structural support and provide for an electrical connection between a first contact pad and a first busbar. Adjacent ones of the singulated and physically separated semiconductor substrate portions have a groove there between and where the metal bridge can be perpendicular to the groove. The solar cell can include a first contact pad adjacent to a second contact pad.

An electrical connector for electrically connecting multiple photovoltaic bus bars. A casing includes first and second opposing walls. An elastic strip is bent into a bent elastic strip with a first leg and a second leg. The bent elastic strip is disposed between the first and second walls of the casing with the first leg pressing against the first wall and the second leg pressing against the second wall. The bent elastic strip is configured to hold at least one of the photovoltaic bus bars between the first leg and the first wall and another of the photovoltaic bus bars between the second leg and the second wall. The bent elastic strip may be formed of resilient spring metal with a thickness and an elastic modulus. The thickness and/or the elastic modulus of the elastic strip is/are configured so that the bus bars are inserted without requiring a tool to open a space and so that the bus bars are removed from the connector without requiring a tool to break the electrical connection.

A solar cell and a solar cell module including a plurality of solar cells are discussed. The solar cell according to an embodiment includes a substrate of a first conductive type, an emitter layer of a second conductive type opposite the first conductive type disposed on the substrate, a plurality of first electrodes electrically connected to the emitter layer, a second electrode electrically connected to the substrate, a first current collector electrically connected to the plurality of first electrodes, and a second current collector electrically connected to the second electrode. The second current collector includes a plurality of second electrode current collectors electrically connected to the second electrode, and a current collector connector for connecting the plurality of second electrode current collectors to one another.

A solar cell module is provided with: a plurality of solar cells, each of which comprises a first electrode and a second electrode that are formed on a photoelectric conversion unit; and a wiring material that is fitted on the first electrode and the second electrode using an adhesive and connects the solar cells with each other. The adhesive is provided so as to extend beyond a region (R) directly below the wiring material and to adhere to a lateral surface of the wiring material. The solar cell module has a pore in the region (R) directly below the wiring material.

In a solar cell module, a first encapsulant and a second encapsulant are provided between a first protective member and a second protective member, and solar cells are provided between the first encapsulant and the second encapsulant. A connecting tab wire cover is laminated on the first encapsulant. A connecting tab wire encapsulant is laminated on the connecting tab wire cover. The multiple solar cells are laminated on the first encapsulant. Through a slit formed on the connecting tab wire encapsulant, fixing members fix a connecting tab wire, which connects multiple solar cells, and the connecting tab wire cover.

A solar cell module includes: two solar cells, each including: a first main face and a second main face; a first electrode on the first main face, comprising a bus-bar electrode having at least one of an opening portion, notch portion, and gap portion; and a second electrode on the first or second main face having a polarity opposite to that of the first electrode; a wiring member that electrically connects the first electrode of one solar cell to the second electrode of another solar cell; and an electrically conductive connection layer that contacts the wiring member and the first main face.