Manz CIGS Solar Panel Reaches 14.6% Efficiency

公開日 2012/09/10
Manz 

Manz has achieved a technological breakthrough: its integrated production line for CIGS thin-film solar panels, the Manz CIGSfab, can be used to manufacture solar panels that in the future, will supply power costing between 4 euro cents (Spain) and 8 euro cents (Germany) per kilowatt hour, depending on the location.

- High-tech engineering firm Manz sets world record for thin-film panels in production conditions with total panel efficiency of 14.6%

- Efficient production technology used in Manz CIGSfab cuts manufacturing costs

- Solar power now at similar cost level as electricity from fossil fuels, much cheaper than offshore wind, and competitive without subsidies

Manz has achieved a technological breakthrough: its integrated production line for CIGS thin-film solar panels, the Manz CIGSfab, can be used to manufacture solar panels that in the future, will supply power costing between 4 euro cents (Spain) and 8 euro cents (Germany) per kilowatt hour, depending on the location. This means the cost of solar power is now at similar level as electricity from fossil power plants and is significantly less expensive than electricity from offshore wind parks. According to Dieter Manz, founder and CEO of Manz AG, "our technology has the potential to revolutionize the solar industry." Manz's CIGS solar panel was manufactured on a mass production line, and with a total panel efficiency of 14.6% and an aperture efficiency of 15.9%, sets a world record for thin-film solar panels. This panel impressively surpassed both the world record for total panel efficiency held by the former cost leader for thin-film panels, First Solar, as well as the record for aperture efficiency held by MiaSolé. In addition, when it comes to efficiency, thin-film solar panels have now pulled even with polycrystalline solar panels.

"As a result, we were able to make up for thin-film technology's only drawback up until now, namely the lower efficiency rates – since when it comes to production costs, thin-film is already much less expensive to produce," explained Dieter Manz. With its fully automated production line, the Manz CIGSfab, the company was able to cut the investment costs for a production line by about 40 percent during the previous two years. This was primarily made possible thanks to new developments related to the systems in the process, such as the CIGS co-evaporator, a significant increase in throughput, and the standardization of the equipment used. "The thin-film panels manufactured on our systems are competitive everywhere in the world," says Dieter Manz, "and as a result, the solar market's growth will no longer be dependent on national subsidy conditions."

The manufacturing costs possible using a CIGSfab production line with an annual capacity of 200MW equal only $0.55/Wp. In fact, these costs fall to below $0.40/Wp in factories producing in the gigawatts. In comparison, Chinese crystalline solar cell manufacturers' production costs are close to $1/Wp on average, and the lion's share are sold for less than the production costs.

And what's more, CIGS technology is nowhere near its limit – Manz's exclusive development partner, the Baden-Württemberg Center for Solar Energy and Hydrogen Research (ZSW), has already achieved an efficiency of 20.3 percent in a laboratory. The record-setting cell from First Solar in the CdTe segment only has an efficiency of 17.3%. As a result, out of all thin-film technologies CIGS has the greatest potential to further increase efficiency rates and cut costs.

In an ambitious development roadmap for the coming years, Manz shows potential customers the next steps in the process of transferring the world record set by the laboratory cell to mass production and making further massive cuts in the cost of producing CIGS panels.

 

出所: Manz
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