Magnolia Solar is a subsidiary of Ecoark Holdings, Inc. (EARK) which strives to develop and produce low-cost, high efficiency solar generation technology.
Magnolia Solar is a subsidiary of Ecoark Holdings, Inc. (EARK) which strives to develop and
produce low-cost, high efficiency solar generation technology. The Company is currently
developing nanotechnology that can be utilized for new and existing solar applications; an
ultra-high-efficiency solar cell and a nanostructure-based coating technology. Both
technologies are designed to collect about 15-20% of the energy lost in traditional solar cells
which in turn generates a greater amount of power. The development of this technology has
been funded by two groups, the New York State Energy Research & Development Authority
(NYSERDA) and the Department of Defense (DoD) as SBIR Programs.
How are Magnolia Solar’s solar cells different from what is currently available on the
Most solar cells for commercial applications are silicon-based and primarily developed in
countries outside of the U.S. Those solar cells can be improved using Magnolia Solar’s
nanotechnology, particularly the nanostructure-based coating technology, at any point before,
during or after the installation process. The coating technology, which can boost efficiency
upwards of about 15-20%, in turn provides a higher power output.
The company is also working on ultra-high efficiency solar cells which are can be used for
government and defense operations as opposed to commercial and residential solar
applications. Unlike the commercial market which uses silicon, these solar cells are made
using a gallium arsenide (GaAs and related materials) as the semiconductor - a much more
expensive material which can provide solar cells with increased efficiency of 30% or higher.
What prompted Magnolia Solar to look into nanotechnology for its solar cells instead of
traditional materials like crystalline silicon?
When we started Magnolia Solar in 2009 people were just starting to talk about using
nanotechnology, which prompted us to consider using it for solar cells and and solar panels.
Earlier this year we merged with Ecoark Holdings Inc., giving us the opportunity to
commercialize the technologies and allowing us to improve the solar technology currently
available in the marketplace. Our goal is to be able to use nanostructure-based coatings,
applied to either a thin film or to the solar cell itself, to enhance the efficiency of existing
commercial solar technologies.
How does the technology work in your solar cells?
In a solar cell, you want to absorb as much energy as possible in order to generate a higher
voltage and current, which provides a greater amount of power. Unfortunately, with
traditional solar panels, when light shines on the panel a large portion is reflected back at
oblique angles resulting in about a 15-25% energy loss. Our Company’s nanotechnology is
designed to reflect the light back into the solar cell, allowing the collection of 15-20% of the
energy that would have been originally lost. By keeping more energy and voltage within the
solar cell, a higher amount of power is generated, increasing the efficiency of the cell.
What benefits do nanotechnologies provide to the production of solar cells (cost,
Nanostructure-based coating technology provides increased energy efficiency while
minimizing costs. The coating technology is applicable to numerous aspects in the solar
energy generation process, particularly the use on or with silicon solar cells. It is designed for
longevity, especially with the use of flexible thin film coating technology which can be
removed and replaced to introduce energy efficiency upgrades to the existing solar cell
without significant construction. Simultaneously, solar cells are able to generate a greater
amount of energy using the nanostructured coating technology. This coating technology, once
it’s in production, is estimated to be very economical which will enable a greater return on
At what stage of development and production are you with the nanotech solar cells?
Magnolia Solar is currently in the development stage and is starting to explore the pilot
production for the nanostructured coating technology.
Is Magnolia Solar producing solar cells for commercial use or residential?
Magnolia Solar’s nanotechnology is still in development phase however, one of the
Company’s primary goals is to improve solar cells in the commercial space.
Where do you plan to manufacture the cells?
A large portion of the Company’s work has been done at the Albany Nanotechnology Center,
based in Albany, NY. As such, Magnolia Solar will most likely look to set up pilot facility in
Albany, NY region. The Company will and also look into manufacturing close to Ecoark
Holding’s headquarters in Rogers, Arkansas. This will be done, once Magnolia Solar begin
the commercialization process.
How can solar technology help to decrease the dependency on fossil fuels, particularly
as global warming becomes a larger concern?
Currently, fossil fuels are used for ‘peak power’ meaning they are the constant energy source
used to power our commercial and residential locations during the hours when energy usage
is at its peak. Now that solar is providing higher efficiency at a lower cost, we’re seeing a
shift to renewables which have the potential to be the ‘peak power’ energy source. Energy
consumption increases during the day when commercial establishments such as malls,
workplaces and government buildings are open for public use. Since the sun is out during this
time, there is an opportunity to use solar energy to power these facilities during their prime
hours of energy usage. In addition, the use of net metering with solar applications for these
facilities can help to better monitor energy usage and introduce excess energy generated
during these peak hours back into the grid.
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