JinkoSolar has been granted a patent for a solar cell design that features a substrate, tunneling dielectric layer, doped conductive layer, first electrodes, transmission layers, and diffusion regions. The innovation includes specific arrangements and doping concentrations aimed at enhancing solar cell efficiency. GlobalData’s report on JinkoSolar gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on JinkoSolar, Artificial photosynthesis was a key innovation area identified from patents. JinkoSolar's grant share as of July 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.
Solar cell with advanced layers and diffusion regions
The granted patent US12074230B2 describes a novel solar cell design that incorporates a substrate, a tunneling dielectric layer, and a doped conductive layer. The conductive layer features multiple main body portions arranged at intervals, with first electrodes extending in a specified direction. Each first electrode is partially embedded in its corresponding main body portion, ensuring electrical connectivity. The design includes at least one transmission layer positioned between adjacent main body portions and first electrodes, with both the doped conductive layer and transmission layer being doped with ions of the same type. Additionally, the solar cell features diffusion regions that are strategically located within the transmission layers, with varying doping ion concentrations across different regions, enhancing the cell's efficiency.
Furthermore, the patent outlines specific configurations for the doping ion concentrations and thicknesses of various regions within the solar cell. For instance, the doping concentration in the first region is less than that in the second region, which in turn is less than that in the third region. The patent also details the arrangement of multiple transmission layers and the potential shapes of diffusion regions. The solar cell can be integrated into a photovoltaic module, which consists of multiple cell strings encapsulated and covered by protective layers. This innovative design aims to improve the performance and efficiency of solar cells, contributing to advancements in photovoltaic technology.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
