US 2026/0090135 A1 · SOLAR CELL, TANDEM SOLAR CELL, AND PHOTOVOLTAIC MODULE

Abstract

Provided are a solar cell, a method for preparing a solar cell, a tandem solar cell, and a photovoltaic module. The solar cell includes a substrate, a doped conductive layer, and a dielectric layer. The substrate has a first surface, where the first surface includes electrode regions and non-electrode regions that are alternatingly arranged along a first direction. The doped conductive layer is formed over the first surface of the substrate. The doped conductive layer includes first conductive portions and at least one second conductive portion. Each respective first conductive portion of the first conductive portions is formed over a respective electrode region of the electrode regions, and each respective second conductive portion of the at least one second conductive portion is formed over a part of a non-electrode region of the non-electrode regions. The dielectric layer is between the first surface and the doped conductive layer.

Claims20

Dependent claims

A solar cell, comprising:

a substrate having a first surface, wherein the first surface includes first regions and second regions that are alternatingly arranged along a first direction and that extend in a second direction intersecting with the first direction;
a doped conductive layer formed over the first surface of the substrate, the doped conductive layer including first conductive portions and at least one second conductive portion, a respective first conductive portion of the first conductive portions being formed over a respective first region of the first regions, and a respective second conductive portion of the at least one second conductive portion being formed over a corresponding second region of the second regions;
and
a dielectric layer between the first surface and the doped conductive layer;
wherein the respective second conductive portion is over a part of the corresponding second region.

2 more elements

A tandem solar cell, comprising:

a bottom cell, wherein the bottom cell includes:
a substrate having a first surface, wherein the first surface includes first regions and second regions that are alternatingly arranged along a first direction and that extend in a second direction intersecting with the first direction;
a doped conductive layer formed over the first surface of the substrate, the doped conductive layer including first conductive portions and at least one second conductive portion, a respective first conductive portion of the first conductive portions being formed over a respective first region of the first regions and a respective second conductive portion of the at least one second conductive portion being formed over a corresponding second region of the second regions;
and
a dielectric layer between the first surface and the doped conductive layer, wherein the respective second conductive portion has an orthographic projection on the first surface, the orthographic projection being within only a part of the corresponding second region;
and
a top cell, located on a side of the doped conductive layer in the bottom cell away from the substrate.

4 more elements

Dependencies are inferred from the claim text.

Solar cell, tandem solar cell, and photovoltaic module

Life of this patent

Solar cell, tandem solar cell, and photovoltaic module

Life of this patent

Abstract

Claims20