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Local company's 'green' solar panel backsheets hit the market

BioSolar says its new product is safer, cheaper than oil-based backsheets

Posted: May 20, 2010 5:02 p.m.
Updated: May 20, 2010 8:52 p.m.
BioSolar, Inc. (BSRC), based in Valencia, Calif., officially announced the commencement of high volume commercial production and sales of its proprietary bio-based backsheet for solar panels on Monday.

The BioBacksheet (TM) is a protective backing for photovoltaic (PV) solar modules that replaces current expensive and environmentally hazardous petroleum-based backsheets.

"This day has been four years in the making," Dr. David Lee, CEO of BioSolar said. "We have finally completed the development of the world's first commercial-grade 'green' backsheet and are ramping up production and are able to accept and fulfill orders.

"Over the past month, we have been demonstrating the BioBacksheet to major solar panel manufacturers," Lee said. "They are all excited about the BioBacksheet due to its high durability and improved performance over other backsheets on the market, and have requested large quantities for full scale integration trials into their solar panel production lines."

The primary material for the commercial-grade BioBacksheet is a durable polyamide resin made from castor beans, which is then compounded with a secondary non-petroleum material during the extrusion process to form a unique and highly durable PV backsheet film which, in addition to being "green," has several additional advantages over other commercial backsheet films, according to BioSolar.

"BioBacksheet's monolithic (single layer) construction does not exhibit inter-layer de-lamination, a common problem in conventional laminated backsheets," said Dr. Stanley B. Levy, Chief Technology Officer of BioSolar. "Therefore, it is more reliable than backsheets on the market today and we have received raving reviews from (photovoltaic) manufacturers about this feature.

"In addition to the use of renewable bio-based materials, BioBacksheet's durability characteristics are equal to or better than those of multi-layer conventional petroleum based backsheets," Levy said. "Most importantly, it is more cost effective when compared with similar grades of conventional petroleum-based backsheets."

"A backsheet that is made from green sources and costs less is good for business, and good for the solar industry," Lee said. "This a very important inflection point in BioSolar's growth and we are extremely proud and excited about our accomplishments. We look forward to being a significant player in the solar industry."

About BioSolar, Inc.
BioSolar, Inc. has developed a breakthrough technology to produce bio-based materials from renewable plant sources that will reduce the cost per watt of solar cells.

Most of the solar industry is focused on photovoltaic efficiency to reduce cost. BioSolar is the first company to introduce a new dimension of cost reduction by replacing petroleum-based plastic solar cell components with durable bio-based materials.


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