Solar energy becomes cheaper than ever as the market is more competitive so manufacturers lookout for new ways to differentiate their modules and make their products more efficient. To get more value out of solar panel, the sunlight reflected from the ground can also generate electricity. The bificial panels does exactly that aside from the usual sky-facing surface converting sunlight into power.
The firm Yingli China, one of the biggest solar module manufacturers in the world created bificial panels TwinMax series with their special technology known as Panda cells. They used 10% more efficient phosphorous instead of boron to treat silicon for conducting electricity. Panda cells gave more energy at the beginning and end of day.
As a result, TwinMax panels are 30% more productive than conventional modules. They also provide 30 year warranty, making them durable and reliable. This case shows that competition in sustainability technologies to make them work in better ways faster, and it is very exciting to look forward to the next better technology that will lead to a more sustainable future.
Resources:
http://www.eco-business.com/news/why-two-faced-solar-panels-are-a-bright-idea/
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