Solar PV technology trends: A review of RIsen 700 W solar module

In recent years, there has been a trend towards larger and more powerful solar modules, with manufacturers pushing the limits of what is technically possible. The latest announcement from Risen Energy is a perfect example of this trend, with the release of their new 700 W solar module.

The Risen 700 W solar module is an n-type SHJ (Silicon Heterojunction) module, which uses a-Si (amorphous silicon) film replaced with microcrystalline Si for improved efficiency. With a module efficiency of 22.52% and cell efficiency of 25.2%, the Risen 700 W solar module is one of the most efficient modules on the market today.

One of the standout features of the Risen 700 W solar module is its size. At approximately 1.3 m x 2.35 m and a module size of around 3.0 m2, the module is one of the largest available. The use of half-cut cells also helps to increase the module’s efficiency, as it reduces the internal resistance and improves performance in low light conditions.

In terms of metallization, Risen has used a low-temperature, low-silver method, which helps to reduce costs and improve the module’s environmental performance. The interconnect type is multiwire, with 24 interconnects in total.

One of the key benefits of the n-type SHJ technology used in the Risen 700 W solar module is its inherently high bifaciality. This means that the module can generate electricity from both sides, increasing its overall energy yield. The module also has a VOC (open-circuit voltage) of 750 mV, which is higher than many other modules on the market.

While the Risen 700 W solar module has many impressive features, there are some potential risks and challenges associated with its use. For example, the module is substantially larger than many other modules, which could make it more difficult to install in some applications. Additionally, the use of microcrystalline Si could potentially impact the module’s long-term durability, although this remains to be seen.

Overall, the Risen 700 W solar module is an impressive technological achievement, pushing the boundaries of what is possible in solar module design. As the solar industry continues to evolve, it will be exciting to see what new developments emerge in the years to come.