Slide 1: Third Silicon Conference
Elkem Solar AS Proprietary Elkem Solar AS Third Silicon Conference München, 3 April 2006 Page 1
Slide 2: Agenda
Elkem Solar AS Proprietary Agenda Agenda Orkla, Elkem; an overview Elkem Solar; Metallurgical Solar Silicon • Most recent results • The process • Status and results from the Pilot Phase • Next steps Page 2
Slide 3: Elkem is now part of the Orkla Group
Elkem Solar AS Proprietary Elkem is now part of the Orkla Group One of Norway’s largest corporations Orkla Group Branded Consumer Speciality Materials Financial Goods Investments Elkem Orkla Foods Elkem Solar AS Portfolio Orkla Brands Sapa Orkla Finans Orkla Media Borregaard Real Estate Business are
Slide 4: Overview: Elkem Silicon Metal business unit
Elkem Solar AS Proprietary Overview Elkem Silicon Metal business unit Solar Polysilicon Chemical/ Feedstock /Electronic Silicones Aluminium Feil Bilde!!! Elkem Salten Elkem Thamshavn • Chemical / Elkem Bremanger Aluminium • • Elkem Fiskaa Solar Chemical Electronic • Page 4
Slide 5: Elkem Solar Masterplan: Industrialisation in 2007
Elkem Solar AS Proprietary ELKEM SOLAR MASTERPLAN Industrialisation in 2007 1980 - 2004 2005 - 2006 2007 Product & Process development Build Pre- Industrial Industrial Pilot and study Stage 1 Stage 2 Business start case Development Industrialisation In 2005, the team at Elkem Solar has concentrated
Slide 6: Product qualified on industrial line
Elkem Solar AS Proprietary PRODUCT QUALIFIED ON INDUSTRIAL LINE DATA CONFIRMED BY PARALLEL CELL PROCESSING AT UKON Product qualified on industrial line…. …results confirmed in UKON lab % 17 Avg Efficiency 16 16 15 15 efficiency [%] 14 14 Standard cells from line Cells with ES material 25% Elkem-Si 1
Slide 7: Above 18% efficiency with litho cell processing at UKON
Elkem Solar AS Proprietary ABOVE 18% EFFICIENCY WITH LITHO CELL PROCESSING AT UKON - CERTIFIED BY FRAUNHOFER ISE Photolithography based Record results suggest that efficiency is solar cell process limited by applied cell process rather than by feedstock material properties Silicon Voc jsc FF η Effic
Slide 8: 1st CZ monocrystal produced at IKZ in Berlin
Elkem Solar AS Proprietary 1st CZ MONOCRYSTAL PRODUCED AT INSTITUT FÜR KRISTALLZÜCHTUNG (IKZ) IN BERLIN First tests on CZ provide encouraging Program continues with high priority results • Industrial scale CZ • Homogenous monocrystalline • Tests on Float-Zone (FZ) process ingot • High lifetime Page
Slide 9: Cost efficient metallurgical refining process
Elkem Solar AS Proprietary COST EFFICIENT METALLURGICAL REFINING PROCESS Process capability demonstrated in pilot plant Elkem Silicon Metal • Elkem Silicon arc furnace Pyro-metallurgical refining • Energy efficient slag refining Hydro-metallurgical refining • Acid/Alcaline surface treatment Final po
Slide 10: Successful scale-up demonstrated in pilot plant
Elkem Solar AS Proprietary 2005: SUCCESSFUL SCALE-UP DEMONSTRATED IN PILOT PLANT Pyrometallurgical Hydrometallurgical Finishing for shipment QA in dedicated solar lab treatment unit treatment unit in white-room • ICP-MS environment • ICP-OES • LECO Challenge • Halleff/Res Confirm successful scale up
Slide 11: Elkem Solar Masterplan: Industrialisation in 2007
Elkem Solar AS Proprietary ELKEM SOLAR MASTERPLAN Industrialisation in 2007 Development Industrialisation 2001 - 2004 2005 - 2006 2007 Product & Process development Build Pre- Industrial Industrial Pilot and study Stage 1 Stage 2 Business start case Industrialization plan on track ü Product qualifie
Slide 12: Preparing to break ground for 1st industrial feedstock unit Kristiansand
Elkem Solar AS Proprietary PREPARING TO BREAK GROUND FOR 1ST INDUSTRIAL FEEDSTOCK UNIT KRISTIANSAND Administration • Elkem Solar AS Pilot Plant (Large-Scale Tests) • Elkem Global Research Centre Si furnaces Elkem Solar • Industrial plant site Page 12