Sharp announced the launch of five new transparent solar module products on July 31, 2013. This follows the release of its first transparent solar cell module, the "NA-B095AA," in September 2012. These innovative modules are designed to blend seamlessly into architectural elements like windows, railings, and curtain walls, offering both functionality and aesthetic appeal.
The transparent solar cell modules are created by etching thin trenches into thin-film silicon solar cells. While these trenches do not generate electricity, they allow for a balance between power generation and natural lighting. The goal is to integrate solar technology into spaces where glass is commonly used, such as balconies, windows, and building facades.
Among the five new models, the NA-B07A and NA-B07B are smaller than the NA-B095AA, making them ideal for open-style balcony railings that prioritize ventilation. These models also feature improved anti-static performance—about 1.9 times better than the previous model—making them suitable for high-rise buildings.
There are two versions with opening ratios of 10% and 20%, giving users flexibility based on their design needs. The NA-B11A and NA-B11B are specifically designed to support a 1200mm column spacing commonly used in Japanese construction. They measure 1150mm in width, accounting for wiring and window frame connections between multiple modules. These models are well-suited for use in curtain walls and skylights installed in ceilings.
Of the five products, the NA-B07A and NA-B11A focus more on power generation, with a 10% aperture ratio, while the other three prioritize light transmission with a 20% aperture ratio. This allows customers to choose based on their specific location and energy requirements.
This advancement highlights Sharp's commitment to integrating renewable energy solutions into everyday architecture, making solar power more versatile and accessible. (Reporter: Yutaro Kojima)
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