Jul 31, 2021 solar cell

Tin-coated solder tape for solar cell welding

The function of tinned solder tape is to realize the electrical connection between solar cells, and the function of flux is to assist the completion of the welding work and ensure the quality of welding. This task is mainly to…

Jul 24, 2021 solar cell

What is a laser scribing machine and how to use it?

Laser scribing machineThe working voltage of a monolithic solar cell is usually 0.4 ~ 0.5V (open circuit voltage is 0.6V). After cutting the-slice into two slices, the voltage of each slice does not change, and under the same conversion efficiency,…

Jul 20, 2021 solar cell

Solar simulator and test temperature correction

Solar simulatorSolar cells are semiconductor devices that convert solar energy into electrical energy. From the perspective of application and research, its photoelectric conversion efficiency, output volt-ampere characteristic curve and parameters must be measured, and this measurement must be measured in…

Jul 17, 2021 solar cell

Solar cell measurement circuit under standard conditions

The amount of electricity produced by solar cells is not only related to its conversion efficiency, but also related to solar irradiance and the area of ​​the solar cell. In order to make the output power of different solar cells…

Jul 15, 2021 solar cell

The working principle and use method of metallurgical microscope

1.IntroductionThe metallographic microscope is mainly used to identify and analyze the internal structure and organization of metals. It is an important instrument for studying metallography in metallurgy and a key equipment for product quality identification in the industrial sector. This…

Jul 14, 2021 solar cell

Solar cell imaging technology and standard solar cells

Solar cell imaging technologySolar cell imaging technology has a wide range of applications in the observation of surface microstructures, the inspection of thermal effects, CCD imaging positioning, CCD surface color detection, and EL and PL light-emitting defect detection. Here is…

Jul 13, 2021 solar cell

Testing technology of solar cell’s I-U characteristics/spectral response and minority carrier lifetime

Solar cells are the core components of photovoltaic modules, and their performance directly affects the performance of photovoltaic modules. Improving the conversion efficiency of solar cells and reducing the production cost of solar cells can ultimately reduce the cost of…