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PV Pastes an example for industrial leadership in Europe Heraeus Precious Metals

PV Pastes an example for industrial leadership in Europe Heraeus Precious Metals Dr. Michael Jörger , VP R&D . Outline. Heraeus, a material supplier in the PV Market PV industry trends Case study – line conductivity How to remain competitive in Europe (PV Pastes ).

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PV Pastes an example for industrial leadership in Europe Heraeus Precious Metals

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  1. PV Pastes an example for industrial leadership in Europe Heraeus Precious Metals Dr. Michael Jörger, VP R&D

  2. Outline • Heraeus, a material supplier in the PV Market • PV industrytrends • Case study – lineconductivity • Howtoremaincompetitive in Europe (PV Pastes) 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  3. Heraeus at a glance • Heraeus is a globally active precious metals and technology Group with firm roots in Germany. • The company has been family-owned for over 160 years. • We operate in global niche markets characterised by lasting growth and attractive returns. • 13,300 employees, €4.8 billion product revenue, €21.3 billion precious metals trading revenue • Key markets – Precious Metals, Materials and Technologies, Sensors, Dental Products, Biomaterials and Medical Products, Quartz Glass, Specialty Light Sources 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  4. Heraeus andthe PV Market • Leading supplier of front side metallization pastes • Globally present production and R&D sites • Collaborator with specialised equipment manufacturers worldwide • Partner with European universities and research institutes on technical projects 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  5. Our Core Competences • 35 years expertise in R&D and manufacturing thick film pastes • In-house R&D facility • Own precious metals, glass powder and vehicle production • In house precious metals trading department 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  6. Ag Front side contacts Front side busbars * Ag Rear side pads * Back sidefield 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  7. Market development – PV cellproduction 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  8. PV installations Source: EPIA January 2012 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  9. Cost pressure for PV industry 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  10. PV Pastesand Other Materials Market 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  11. Options forCostReduction • Higher efficiency • Alternative glasses • Improvedcontactresistance • Less material • Fine lineprinting • Higher densitylines • Alternative material → Ag-freeorAg-reduced • Alternative productionmethods • Seedlayer • Plating • Galvanisation 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  12. 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  13. 96xx aims for higher eff. and lower paste usage Ph. 3 New Gen. Seed layer Sampled Current product Multi Cell Eff. (%) SOL96XX (better contact) (2012) SOL9455 (Fine Line) SOL9411 (2011) SOL9235H (2010) FS Ag paste usage (gram/cell) 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  14. Critical improvements over the years: line conductivity (1) Improved line conductivity • Sintering Sintering • Higher silver percentage resulting in denser fingers 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  15. Critical improvements over the years: line conductivity (2) Improved line conductivity • Sintering • Better line uniformity • Improved line uniformity • Smaller difference min-max • Obtained by improvements in vehicle (binders and solvents) 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  16. Critical improvements over the years: line conductivity (3) Improved line conductivity • Sintering • Better line uniformity • Better aspect ratio and availability of better screens 2010 2011 2012 2009 SOL9117 SOL9235H SOL9411 SOL9600 130µm 100µm 63µm 55µm 52µm 63µm 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  17. How to remain competitive in Europe • Close interdisciplinary collaboration with research institutes and entire industry value chain, from powder to solar cell module • Maintain leading edge in material & process development • Strong equipment and manufacturing base in Europe • Strict intellectual property protection • Guarantee material supply chain, strengthen security of supply of raw materials • Highly educated workforce • Guarantee innovation friendly environment!!! 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

  18. Thankyouforyourattention! • Dr. Michael B. Jörger • VicePresident R&D Thick Film Division • Heraeus PreciousMetals GmbH & Co. KG • Heraeusstr. 12-14 • 63450 Hanau • Germany • Tel: +49-6181-35-4779 • Email: michael.joerger@heraeus.com 20 June 2012, Industrial Technologies 2012, Dr. Joerger, Heraeus

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