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Tobias Grindberg – Aperam Stainless Precision
September , 20th 2017
Pre-coated stainless steel for Fuel Cell stacks Pre-coated stainless steel for Fuel Cell stacks
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Who we are…
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VS Batch
coating Stainless
Steel
Aperam solution for PEMFC bipolar plates
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Our solution:
Pre-coated stainless steel coils ready to be cut & formed
Aperam’s strategy: cost efficiency ! • The choice of pre-coated coils
• The use of existing mill
• Optimization of feasible and existing coating
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Aperam solution for PEMFC bipolar plates
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The choice of pre-coated coils to increase productivity
With Aperam product
• Higher productivity
• Down to 0.075mm thickness
• Thin, efficient coating
Conventional method
• Low productivity process
• Additional transport cost
• Intermediate stocks
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A technical team dedicated to Fuel Cell…
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To develop a product with high electrical performance, electrochemical stability and durability
ELECTRICAL PROPERTIES :
• Aperam coating is below the DOE target
• Close to Gold coating but far more cost effective
• Stable & homogeneous electrical properties,
even after stack test
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Towards a more efficient product
• 10 years of R&D and industrialization
• From direct check in line to the end user validation:
Interfacial Contact Resistance
Electrochemical tests
Microstructure
• Constant improvement of the coating and of stainless
steel to meet customers specifications
Interfacial Contact Resistance (ICR)
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Aperam Product
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Aperam Contacts
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Tobias Grindberg APERAM Stainless Services & Solutions Germany GmbH Hildener Straße 28 D – 40699 Erkrath T +49 (0)2104 309 160 | F +49 (0)2104 309 199 | M +49 (0)152 0168 2484 [email protected] | www.aperam.com/precision Marc Yves Werle APERAM Stainless Services & Solutions Germany GmbH Hildener Straße 28 D – 40699 Erkrath T +49 (0)2104-309 170 | F +49 (0)2104-309 199 | M +49 (0)162-134 9006 [email protected] | www.aperam.com/precision