Heraeus Photovoltaics and Cell Engineering Announce Partnership to Bring High-Yield LECOTechnology and Metallization Pastes to Market.

Press Release

Heraeus Photovoltaics and
Cell Engineering announce partnership to bring high-yield LECO technology and
metallization pastes to market

HANAU,
Germany and SHANGHAI, China, September 9, 2019- Heraeus Photovoltaics, a
leading technology solution provider for the renewable energy industry, and
Cell Engineering, an engineering company based in Germany, today announced their
joint development partnership on LECO technology. LECO (Laser Enhanced Contact
Optimization) is a patented solution for solar cell manufacturers to
significantly improve high-efficiency cell bin yields. Heraeus has invented,
and is now refining, new LECO-specific metallization pastes which additionally
improve overall cell efficiency by up to 0.15%. The technology is
versatile and designed to be applicable for nearly all cell technologies which
use co-firing.

The
breakthrough LECO tool and metallization package is a simple add-in technology
that leverages the industry expertise of Heraeus and Cell Engineering. This
technology solution significantly reduces metal-induced recombination while
maintaining low contact resistance, thereby increasing cell efficiency with
minimal impact to the production line and no process change required. As part
of the joint development partnership, Heraeus acquired a LECO tool and invented
the new metallization paste to take advantage of the new technology.

Martin
Ackermann, President of Heraeus Photovoltaics, said, “Our collaboration and
partnership with Cell Engineering has produced what we believe is a potential
game-changer for solar cell metallization. It will enable ‘perfect’
metallization contacts and help customers get even greater performance from
their solar cells.”

Hans
Jochen von Bomhard, Managing Director Cell Engineering, said, “Cell Engineering
offers the customer the optimal equipment for the use of LECO pastes. The
production spectrum includes a laboratory machine as well as equipment for
integration into cell lines”. 

Heraeus
will present its work on LECO-specific paste development this week at the EU
PVSEC 2019 conference, taking place in Marseille, France. The presentation,
scheduled for Thursday, September 12, will feature results of LECO-specific
metallization pastes on several different cell types, including P-type
ultra-low doped homogeneous PERC, selective emitter (SE) PERC, N-type PERT and
TOPCon.

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About the Heraeus Photovoltaics Global Business Unit

The Heraeus Photovoltaics Global
Business Unit is an industry leading developer and manufacturer of silver
metallization pastes for the photovoltaic industry. For over 40 years, Heraeus
has built a reputation of innovation, extensive research and new product
development in thick film technologies for some of the most prominent companies
within a variety of industries. In the field of photovoltaics, the Heraeus Photovoltaics
Business Unit applies this history and its innovative technology to offer
metallization pastes for solar cell applications. The Heraeus SOL Series of silver
pastes is specially formulated to provide higher efficiencies and wider processing
windows, resulting in better yields and higher output for cell manufacturers.

About Cell Engineering

The German CE Cell
Engineering GmbH is an attractive engineering partner specialized in research
on crystalline solar cells, in particular the development and optimization of
manufacturing technologies for the manufacture and repair of such cells. The
company is a member of the international Hörmann group of companies. With 3600
employees, the family-run medium-sized group of companies achieves an annual
turnover of 640 million euros. It has grown successfully for over 60 years in
the areas of public warning systems, communication systems for railways all
over the world, as a supplier to the automotive industry with a focus on
commercial vehicles and as a provider of engineering services and special
mechanical engineering. Most recently, it has been involved in an additional
division in the field of renewable energies. Its activities include a number of
geothermal projects, the construction of solar thermal power plants and the
repair and reproduction of PV modules of all kinds.

Media Contacts

Jeff Oddo

Sr. Manager, Communications

Heraeus, Inc.

Phone: +1 (215) 944-9981 or Mobile: (215) 666-3390

e-mail: jeffery.oddo@heraeus.com

Tina Li

Sr. Marketing Communications
Manager

Heraeus Photovoltaics

Phone:    + 86 21 3357 5123

e-mail:    tina.li@heraeus.com

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