Abstract:
A solar cell includes a substrate formed of n-type single crystal silicon, an emitter region of a p-type which is positioned at a first surface of the substrate and includes a first emitter region having a first sheet resistance and a second emitter region having a second sheet resistance less than the first sheet resistance, a plurality of surface field regions of the n-type locally positioned at a second surface opposite the first surface of the substrate, a plurality of first electrodes which are positioned only on the second emitter region to be separated from one another and are connected to the second emitter region, and a plurality of second electrodes which are positioned on the plurality of surface field regions to be separated from one another and are connected to the plurality of surface field regions.
Abstract:
A solar cell includes a first conductive type substrate; an emitter layer of a second conductive type opposite the first conductive type, the emitter layer and the substrate forming a p-n junction; an anti-reflection layer positioned on the emitter layer; a plurality of first electrodes passing through the anti-reflection layer and being electrically connected to the emitter layer, at least one of the plurality of first electrodes including: a first electrode layer and a plurality of first electrode auxiliaries separated from the first electrode layer and positioned around the first electrode layer; and a second electrode layer positioned on the first electrode layer and on the plurality of first electrode auxiliaries; and a second electrode electrically connected to the substrate.
Abstract:
A solar cell module includes a plurality of solar cells comprising a first solar cell and a second solar cell adjacent to each other; a conductive ribbon, wherein each of the plurality of solar cells comprises: a substrate; an emitter layer of positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; and at least one first collector formed in a second direction crossing the first direction, the at least one first collector being electrically connected to the plurality of finger electrodes, wherein the conductive ribbon is attached to the at least one first collector in the second direction by a conductive adhesive, and wherein the conductive ribbon is attached on a collector region where the at least one first collector is formed and a deletion where the at least one first collector is not formed.
Abstract:
A solar cell includes a substrate, a selective emitter region which is positioned at the substrate and includes a lightly doped region and a heavily doped region, a first dielectric layer which is positioned on the selective emitter region and includes a plurality of first openings, which are separated from one another, and a plurality of second openings positioned around the plurality of first openings, a first electrode connected to the selective emitter region through the plurality of first openings and the plurality of second openings, and a second electrode which is positioned on the substrate and is connected to the substrate. The plurality of first openings and the plurality of second openings each have a different plane shape. The plane shape of the first opening has a line shape, and the plane shape of the second opening has a dot shape.
Abstract:
A solar cell module includes a plurality of solar cells comprising a first solar cell and a second solar cell adjacent to each other, a conductive ribbon electrically connecting the first solar cell and the second solar cell, a front member positioned on a front surface of the plurality of solar cells, a back member positioned on a back surface of the plurality of solar cells, a first protection film positioned between the front member and the plurality of solar cells, and a second protection film positioned between the back member and the plurality of solar cells.
Abstract:
A solar cell can include a substrate of a first conductive type; an emitter layer of a second conductive type opposite the first conductive type, and positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; a plurality of first collector regions; a plurality of first electrodes positioned in a plurality of first collector regions and extending in the first direction from the plurality of finger electrodes; a plurality of second electrodes positioned in the plurality of first collector regions and formed in a perpendicular direction crossing the first direction; a plurality of third electrodes positioned in the plurality of first collector regions, connecting two neighboring first electrodes of the plurality of first electrodes and formed in the perpendicular direction; and a plurality of deletions positioned in the plurality of first collector regions. Furthermore, one of the plurality of second electrodes is positioned between a pair of the plurality of first electrodes.
Abstract:
A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate, a conductive type region formed at the substrate, an insulating film formed on the conductive type region, and an electrode electrically connected to the conductive type region through openings formed in the insulating film. The electrode includes finger electrodes and at least one bus bar electrode formed in a direction crossing the finger electrodes. The bus bar electrode includes electrode parts separated from each other. The insulating film includes a plurality of openings corresponding to the electrode parts to be exposed between the electrode parts at a portion at which the bus bar electrode is disposed. The electrode parts include seed layers electrically connected to the conductive type region via the openings of the insulating film and plating layers disposed on the seed layers and the insulating film.
Abstract:
A solar cell includes a semiconductor substrate of a first conductive type, an emitter region having a second conductive type different from the first conductive type and positioned at a first surface of the semiconductor substrate, a semiconductor region positioned directly on a second surface opposite the first surface of the semiconductor substrate, forming a charge accumulation layer on the second surface of the semiconductor substrate, and containing impurities of the first conductive type, a first electrode positioned on the first surface of the semiconductor substrate and coupled to the emitter region, and a second electrode positioned on the second surface of the semiconductor substrate and coupled to the semiconductor substrate.
Abstract:
A solar cell includes a substrate formed of n-type single crystal silicon, an emitter region of a p-type which is positioned at a first surface of the substrate and includes a first emitter region having a first sheet resistance and a second emitter region having a second sheet resistance less than the first sheet resistance, a plurality of surface field regions of the n-type locally positioned at a second surface opposite the first surface of the substrate, a plurality of first electrodes which are positioned only on the second emitter region to be separated from one another and are connected to the second emitter region, and a plurality of second electrodes which are positioned on the plurality of surface field regions to be separated from one another and are connected to the plurality of surface field regions.
Abstract:
A solar cell according to an embodiment of the invention includes a substrate of a first conductive type, an emitter region of a second conductive type opposite the first conductive type, which is positioned at the substrate, an anti-reflection layer including a first opening exposing the emitter region and a plurality of second openings which expose the emitter region and are separated from one another, a first electrode which is positioned on a first portion of the emitter region exposed through the first opening and is connected to the first portion, a first bus bar which is positioned on a second portion of the emitter region exposed through the plurality of second openings and is connected to the second portion and the first electrode, and a second electrode which is positioned on the substrate and is connected to the substrate.