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Solar & Alternative Energy

Materials for photovoltaic modules

DuPont

DuPont announces the commercialization of two new families of photovoltaic encapsulant sheets that are expected to improve durability and efficiency of photovoltaic modules. The new DuPont™ PV5300 Series and DuPont™ PV5200 Series deliver long-term protection for solar cells. They contribute to longer life and reduced cost-per-watt, helping system manufacturers deliver more reliable and cost-effective solar power.

"DuPont science is helping enable the faster spread of solar power," said William F. Weber, vice president and general manager -- DuPont Packaging & Industrial Polymers. "These new encapsulant materials contribute to keeping cost-per-watt low and reducing the total cost of ownership for solar power. We expect growth for encapsulant materials like these of more than 25 percent per year in the next five years, due to the anticipated strong growth in solar module installations globally."

DuPont™ PV5300 Series sheets are five times tougher and 100 times stiffer than materials typically used as encapsulants. Their structural properties make possible new module designs such as building-integrated photovoltaic (BIPV) tiles that can be installed on building roofs.

The company also launched DuPont™ PV5200 Series sheets which are designed to meet the needs of thin-film solar power generation, a fast-growing segment of the industry. They are based on polyvinyl butyral polymer technology and offer high performance in physical processing. They enable faster, more efficient module production and longer service life.

www2.dupont.com