Novel system to ‘spray’ solar cells onto New Energy’s SolarWindow™ replaces slow, expensive methods with high-speed, cost-saving process; Previous breakthrough replaces ‘visibility-blocking’ metal with see-thru, environmentally-friendly compounds.
Burtonsville, MD – January 11, 2010 – New Energy Technologies, Inc. (OTCBB: NENE), developer of MotionPower™ technologies for generating sustainable electricity from the kinetic energy of moving vehicles and SolarWindow™ technologies capable of generating electricity on see-thru glass windows, today announced that researchers have developed a novel, patent-pending process for ‘spraying’ solar cells and their related components onto glass – a technical achievement recently presented in AZoNano’s (peer-reviewed, Journal of Nanotechnology Online; Dec. 20, 2009), “Nanotechnology Thought Leaders” series.
(Click here to view article: http://www.azonano.com/details.asp?ArticleId=2470)
“The ability to spray solar coatings directly onto glass follows on the heels of our recent breakthrough which replaced visibility-blocking metal with environmentally-friendly see-thru compounds, and marks an important advance in the development of our see-thru glass windows capable of generating electricity,” announced Mr. Meetesh V. Patel, President and CEO of New Energy Technologies, Inc.
“In commercial terms, this new spray technology could translate into important manufacturing advantages for our SolarWindow™, including significant cost-savings, high-speed production, and room-temperature deposition – common barriers to commercial success for innovative solar technologies.”
Once scaled-up for use in commercial-scale production, researchers anticipate the ability to spray solar coatings directly onto New Energy’s first-of-its-kind see-thru SolarWindow™, currently under development, could provide significant commercial production advantages over today’s thin-films. Conventional solar films are typically manufactured using expensive and slow manufacturing methods which rely on high-temperature and finicky ‘vacuum deposition’ processes for depositing solar materials onto substrates; the resultant products are simply too thick to allow for transparency, an important consideration in the development of a commercially viable solar-powered glass window.
Last week, New Energy announced that researchers successfully overcame one of the biggest transparency-related obstacles faced by scientists developing New Energy’s SolarWindow™ technology — the presence of metal, an opaque material which blocks visibility and prevents light from passing through glass. Eliminating metal has proved especially challenging since the metal component acts as the negative ‘polar contact’ – an important function in collecting the electricity generated from solar cells on the surface of the glass.
Last week’s breakthrough replaces this ‘visibility-blocking’ metal with environmentally-friendly and more transparent compounds. These compounds now function as the negative polar contact and collect electricity from New Energy’s SolarWindow™.
(Click here to view press release, announcing “New Energy Achieves Major ‘Transparency’ Breakthrough in Development of See-Thru Windows Capable of Generating Electricity”:
The production of solar-generated electricity on glass is made possible by the world’s tiniest working solar cells, which along with their related components, have now been successfully sprayed on to glass surfaces by researchers currently developing the Company’s SolarWindow™.
These ultra-small solar cells measure less than 1/4 the size of a grain of rice, are fabricated using environmentally-friendly materials, and successfully produce electricity, as demonstrated in a published peer-reviewed study in the Journal of Renewable and Sustainable Energy of the American Institute of Physics.
(Click here to view study: http://dx.doi.org/10.1063/1.2998825)
Unique performance properties of New Energy’s ultra-small solar cells enable development of an ultra-thin film, only 1/1000th the thickness of a human hair, or 1/10th of a micrometer. In contrast, conventional thin films are exponentially thicker, measuring several micrometers thick and inhibiting transparency. In photovoltaic applications such as see-thru windows, where transparency is a primary concern, today’s thin film solar cells simply cannot be utilized to produce a transparent solar window for application in homes, offices, and commercial buildings.
There are nearly 5 million commercial buildings in America, according to the Energy Information Administration, and more than 80 million single detached homes. New Energy’s SolarWindow™ technology is under development for commercial application in such buildings.
About SolarWindow Technologies, Inc.
SolarWindow Technologies, Inc. is a developer of next generation, transparent electricity-generating SolarWindow™ coatings.
SolarWindow™ coatings generate electricity on see-through glass and flexible plastics with colored tints popular to skyscraper glass. Unlike conventional systems, SolarWindow™ can be applied to all four sides of tall towers, generating electricity using natural and artificial light conditions and even shaded areas. SolarWindow™ uses organic materials, which are dissolved into liquid, ideal for low-cost high-output manufacturing; and is the subject of a patent pending technology.
The company’s Proprietary Power Production & Financial Model (Power & Financial Model) uses photovoltaic (PV) modeling calculations that are consistent with renewable energy practitioner standards for assessing, evaluating and estimating renewable energy for a PV project. The Power & Financial Model estimator takes into consideration building geographic location, solar radiation for flat-plate collectors (SolarWindow™ irradiance is derated to account for 360 degree building orientation and vertical installation), climate zone energy use and generalized skyscraper building characteristics when estimating PV power and energy production, and carbon dioxide equivalents. Actual power, energy production and carbon dioxide equivalents modeled may vary based upon building-to-building situational characteristics and varying installation methodologies.
For additional information, please call Ms. Briana L. Erickson toll free at 1-800-213-0689 or visit: www.solarwindow.com.
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