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It's elastic
super thin and can be glued to almost anything: the new solar film from
Heliatek is intended to ensure nothing less than a revolution in the solar industry.
For twelve years, the Dresden company has been working on the so-called organic
Researched solar cell – now it stands
Technology shortly before its breakthrough, according to Martin Hermenau, the
Head of product development at Heliatek. "We will start with the 2020
Series production, "he says. The solar start-up with its 150 employees is currently looking for
Specialists, production runs in test mode.

The special: The
Solar film does not contain silicon, lead and other pollutants, that's what makes it
more environmentally friendly. Organic solar cells have another
Semiconductor, based on hydrocarbon compounds. That is why
Hermenau explains that the cell's ecological footprint is much smaller than that of conventional photovoltaic modules. In addition, there are material shortages, like for example
with rare earths
, almost impossible.

Even Prime Minister Kretschmer praises it

In addition, the film
light and flexible. While normally solar modules appear as solid glass panels
Land on the roofs of houses and garages, the solar film can be used flexibly:
In Spain, Heliatek covered the tower of a wind turbine, in France that
Lightweight roof of a middle school in Donauwörth
the facade of a grain silo, in Berlin the honeycomb
Air dome. Last summer even looked at Saxony
Prime Minister Michael Kretschmer
(CDU) over to the plant inauguration and he said something that the whole
The solar industry likes to hear: "From Dresden, organic solar films are made in
ensure clean and sustainable energy generation around the world. "

It actually works
currently the other way around. Germany has not exported for a long time
Significant solar cells, but
meanwhile it imports from China, Taiwan or South Korea. "Of the
There is not much left in Germany in the solar industry, "says Norbert Allnoch, head of the International Economic Forum for Renewable Energies (IWR), which is committed to expanding the
renewable energies. According to the Federal Ministry of Economics, there were still 156,700 people in 2011
employed in the solar industry, there were only 42,800 at the end of 2017. "Almost the entire industrial
Value added has been lost, "says Allnoch. Of the 350
There are hardly a few solar cell producers that existed eight years ago
Dozen left. In the former solar valley near Bitterfeld-Wolfen, the majority
of companies filed for bankruptcy.

Textbook example of wrong industrial policy, "says Volker Quaschning, professor for regenerative
Energy systems at HTW Berlin and co-organizer of Scientists-for-Future-Move. The government from the Union and the FDP cut this in 2011
Feed-in tariffs in the Renewable Energy Sources Act are so drastic that solar power production in Germany
became unattractive. The number of installations dropped by three quarters between 2012 and 2014. "The
But the world market is growing by 20 to 30 percent annually, "says Quaschning.

The manufacturers lacked the German market

German solar companies would have had to grow with them to remain competitive.
This is the only way to negotiate other prices, for example for silicon. "In
the moment the home market collapsed, the Germans had none
More chance to grow, "says Quaschnig, who estimates German manufacturers' share of the world market to be less than one percent
technological connection lost. Companies like Q-Cells, Inventux, Solar Millennium or Solon had to give up, often they did
taken over by foreign corporations.

The acquisitions from China, South Korea and Taiwan primarily obtained valuable patents, the German one
Know-how of the solar industry. The Fraunhofer Institute for Solar purchased
Energy Systems (ISE) some patents "for the preservation of this future technology in
Germany ", as head of the institute Eicke Weber explains
However, Asian companies used patents for their technological
Triumph. Whether Jinko Solar, JA Solar or Trina Solar: The three largest
All of the world's solar corporations now come from China, which compete primarily on price
, "The cells and therefore the most valuable
A share of this economy comes from Asia, "said Allnoch. But there is, after all
in Germany the "added value in solar use", he says. In order to
he means machine builders, plant operators and craft businesses, the new one
Build solar systems.

. (tagsToTranslate) Economy (t) Solar cells (t) Renewable energies (t) Environmental protection (t) Climate protection (t) Energy transition (t) Solar energy (t) Michael Kretschmer (t) BMWi


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