Solar cell, manufacturing method thereof, and photovoltaic module
US12132138B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 12, 2023 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Sep 12, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F77/707
Abstract
Provided are a solar cell, including: a semiconductor substrate, in which a rear surface of the semiconductor substrate having non-pyramid-shaped microstructures, the non-pyramid-shaped microstructures include two or more first substructures at least partially stacked on one another, and a one-dimensional size of the surface of the outermost first substructure is less than or equal to 45 μm; a first passivation layer located on a front surface of the semiconductor substrate; first and second tunnel oxide layers located on the non-pyramid-shaped microstructures; first and second doped conductive layers located on a surface of the first and second tunnel oxide layers, the first and second doped conductive layer has different conductive types; a second passivation layer located on a surface of the first and second doped conductive layers; and electrodes formed by penetrating through the second passivation layer to be in contact with the first and second doped conductive layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.