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Luvata and teamtechnik bring street appeal to solar rooftops

Image:  Sunwire Deco

(24 May 2017) The market for solar is driven by improved efficiency and lower costs for solar overall. To date the vast majority of homes harnessing the sun's energy are doing so using rack-mounted modules installed on rooftops. However, as the market for solar continues to grow, the demand for differentiated solar solutions has expanded as well.

Building-integrated photovoltaics (BIPV) and building-applied photovoltaics (BAPV; retrofit) incorporate solar photovoltaic materials in place of traditional building materials of a home or building such as in the roof, skylights or facades. The intent of both BIPV and BAPV is to generate electricity for on-site use or for export to the grid. While aesthetically minded homeowners and architects want to embrace the benefits of solar and maintain visual appeal, manufacturers have struggled to satisfy both of these desires.

Not anymore. The answer to an integrated solution is here.

The perfect combination - Sunwire Deco in black and teamtechnik stringers. Photo: teamtechnik

Discerning solar customers and architects can combine the available PV ribbon colors of Sunwire® Deco by Luvata Special Products, with teamtechnik's stringer systems and unique hold-down devices. This means that solar customers no longer have to compromise with the visually intrusive silver lines of solar ribbon running across the PV module. Sunwire Deco in black, the most popular alternative color, blends naturally into the solar panel, making the panel virtually invisible on the rooftop.

PV module manufacturers also benefit from this development. teamtechnik is a worldwide technology leader for stringer systems. Its high output stringer systems separate the handling process from the soldering process, which minimize the thermal stress and therefore also reduce stress cracks in the solar cells. This means that PV modules manufacturers see breakage rates of less than 0.1 – 0.3%.  Photo: teamtechnik

The advantages of Sunwire Deco also mean that it will exert lower stresses on solar cells, thus leading to reduced cell breakage. A solar ribbon's yield strength influences how much stress the soldered ribbon can cause on a silicon cell – the higher the stress, the higher the risk of fracturing the cell. Sunwire is available with lower yield strength, proven to be the softest and straightest solar PV ribbon on the market today.

"Major solar modules manufacturers around the world rely on the high-speed and high-performance of our stringer systems," indicates Sven Kramer, Vice President Sales of Solar Technology with teamtechnik. "Sunwire Deco runs excellent on our stringer systems, helping us in meeting the growing demand for BIPV."

Luvata Special Products and teamtechnik have partnered with the Solar Energy Research Institute of Singapore (SERIS) for fabrication, testing, and evaluation of PV modules incorporating Sunwire Deco in black. The institute has dedicated state-of-the-art module fabrication and testing facilities for advanced module development. The black module was fabricated at SERIS and has passed standard reliability tests such as the thermal cycling and damp-heat tests; longer term reliability tests are ongoing.




Visit Luvata and teamtechnik at Intersolar Europe:

Luvata: Hall A2, Booth A2.320
teamtechnik: Hall A2, Booth A2.255

About teamtechnik Group:

Based in Freiberg, Germany, teamtechnik has been developing and building intelligent and reliable automation solutions for the solar and medical technology and automotive sectors for 40 years. The company has been building stringers for series production and customer-specific applications since 2004. Its highly dependable output and top soldering quality have made teamtechnik the technology leader in this solar technology segment. The senior management team has set a sales target of €150 million for the current business year. The company employs 900 people around the world. teamtechnik Group has 6 production sites in Germany, Poland, China and the USA.

About Solar Energy Research Institute of Singapore (SERIS):

Founded in 2008 and located at the National University of Singapore (NUS), the Solar Energy Research Institute of Singapore (SERIS) is Singapore's national institute for applied solar energy research. SERIS conducts research, development, testing and consulting on solar energy technologies and their integration into power systems and buildings. The institute's R&D spectrum covers materials, components, processes, systems and services, with an emphasis on solar photovoltaic cells, modules and systems. SERIS is globally active but focuses on technologies and services for tropical regions, in particular for Singapore and South-East Asia. For more information visit www.seris.sg.

About Luvata:

Luvata is a world leader in metal solutions manufacturing and related engineering services to industries such as renewable energy, automotive, healthcare, and power generation and distribution. The company's continued success is attributed to its longevity, technological excellence and strategy of building partnerships beyond metals. Employing over 1,300 staff in 7 countries, Luvata works in partnership with customers such as ABB, CERN, Siemens, SolarWorld and Toyota. Luvata is a group company of Mitsubishi Materials Corporation.

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In May 2017, the Special Products division of Luvata was acquired by Mitsubishi Materials Corporation.


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