Cradle to Gate
Identity ID
3051ac98-d29e-43ef-90fe-370ffb05b6b8
Materials
Associated ID
1b3ba9a6-a347-4bbb-90d8-1e4b8a12fd37
Included activities starts
Included activities ends
Description
This product represents an N-type monocrystalline silicon photovoltaic cell produced using TOPCon cell technology, a key component of solar panels. The cell has an area of approximately 0.033 m², a weight of 10.3 g per cell, a power output of 8.25 W, and a conversion efficiency of 25%. 1%; the dataset includes primary raw materials, auxiliary materials, energy, atmospheric emissions, and waste from the production process; infrastructure such as equipment manufacturing for production and factory construction are not included within the system boundary of the dataset; the life cycle inventory was compiled from multiple data sources, with certain data corrected and updated based on industry average values from the 2023 Photovoltaic Industry Report; the manufacturing process for TOPCon solar cells mainly consists of texturing, diffusion, laser SE, high-temperature annealing, BSG removal, alkaline etching, LPPOLY, diffusion, PSG removal, RCA cleaning, thin-film deposition, screen printing, sintering, light soaking, testing, and efficiency binning. .
Activity Description
The manufacturing process of TOPCon photovoltaic cells includes major steps such as texturing, diffusion, laser doping (SE), high-temperature annealing, BSG removal, alkaline polishing, LPPOLY, diffusion, PSG removal, RCA cleaning, thin-film deposition, screen printing, sintering, light soaking, testing, and efficiency binning.
Process Description
This product represents one N-type monocrystalline silicon photovoltaic cell produced using TOPCon cell technology. Photovoltaic cells convert light into electricity and serve as a key component of solar panels. Monocrystalline photovoltaic cells are generally more efficient than multicrystalline photovoltaic cells.
Time period
2020
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
The manufacturing process of TOPCon photovoltaic cells includes major steps such as texturing, diffusion, laser doping (SE), high-temperature annealing, BSG removal, alkaline polishing, LPPOLY, diffusion, PSG removal, RCA cleaning, thin-film deposition, screen printing, sintering, light soaking, testing, and efficiency binning.