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Sat Feb 23, 2013, 08:35 AM

How 3D printing could revolutionise the solar energy industry

http://www.guardian.co.uk/environment/blog/2013/feb/22/3d-printing-solar-energy-industry


3D solar cells, despite advances in energy storage, can capture more sunlight than conventional PV models. Photograph: Andy Newman/AFP/Getty Images

During President Obama's recent state of the union address, I was particularly drawn to one specific comment he made. The statement by the president I'm referring to was, "A once-shuttered warehouse is now a state-of-the art lab where new workers are mastering the 3D printing that has the potential to revolutionise the way we make almost everything." 3D printing has been increasingly used to produce jewellery, dental work, prototyping and even creating human organs. However, as an energy strategist, I'm most excited about the potential for 3D printing to revolutionise solar panel and photovoltaic (PV) cell manufacturing.

For starters, for those not familiar with 3D printing, it's the ability to make a three-dimensional "solid" object from digital design specifications. In other words, 3D printing is really a smart printer that creates objects layer by layer through additive manufacturing or the deposits of materials such as glass, silicon, plastic, resin and ceramic by following a virtual blueprint or animated software.

You may be asking why I'm so positive on its relationship to solar power. Well, that's easy. Right now there is a huge lack of energy storage, which, coupled with known manufacturing inefficiencies, have damaged solar industry sentiment. Therefore future production of solar cells must be more sustainable. This has me intrigued by the potential 3D printing can have on the solar sector.

I believe this new printing medium could be a game-changer as 3D solar cells, despite advances in energy storage, can capture more sunlight than conventional PV models. How? They are more precise (using copper, indium, gallium, selenide: CIGS), less complex and weigh less. Greater efficiency in lieu of not having direct sunlight overhead is something I believe is extremely encouraging for 3D solar considering many pessimists who continue to question the longevity of solar power produced in a day by ordinary flat PV cells. Researchers at the Massachusetts Institute of Technology (MIT) believe 3D solar panels could be roughly 20% more efficient than flat solar panels. 3D printing can extend the amount of solar absorbed into cells, which may turn some haters of solar power into believers.

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Reply How 3D printing could revolutionise the solar energy industry (Original post)
xchrom Feb 2013 OP
pscot Feb 2013 #1

Response to xchrom (Original post)

Sat Feb 23, 2013, 11:34 AM

1. We could use a game changer

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