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Energy Components & Materials
Metallic Interconnector material for SOFC ZMG™232J3, ZMG™232G10
Overview
Solid oxide fuel cell (SOFC) is a promising fuel cell with high efficiency operated at high temperatures in the range of about 650 to 900 degrees C.
• Good properties are required for the interconnector (separator) material of SOFC as follows;
(1) good electrical conductivity at operating temperature,
(2) good oxidation resistance at operating temperature for a long time,
(3)coefficient of thermal expansion close to electrolyte material YSZ (zirconia ceramics).
• There are some problem for conventional heat-resistant alloys as follows;
(1) 430SS does not have sufficient oxidation resistance,
(2) austenitic alloys with good oxidation resistance(ex.Inco600) have much higher thermal expansion than YSZ,
(3) Al-containing ferritic alloys with better oxidation resistance than austenitic alloys have low electrical conductivity of oxide layer.
Current material, ZMG232L is a Fe-22%Cr ferritic alloy with a small addition of special elements for SOFC interconnector which is alloy-designed and developed to obtain these required properties at the same time. ZMG232J3 has better oxidation resistance and better electrical conductivity than those of ZMG232L. ZMG232G10 has lower Cr evaporation than that of ZMG232L and ZMG232J3.
• Good properties are required for the interconnector (separator) material of SOFC as follows;
(1) good electrical conductivity at operating temperature,
(2) good oxidation resistance at operating temperature for a long time,
(3)coefficient of thermal expansion close to electrolyte material YSZ (zirconia ceramics).
• There are some problem for conventional heat-resistant alloys as follows;
(1) 430SS does not have sufficient oxidation resistance,
(2) austenitic alloys with good oxidation resistance(ex.Inco600) have much higher thermal expansion than YSZ,
(3) Al-containing ferritic alloys with better oxidation resistance than austenitic alloys have low electrical conductivity of oxide layer.
Current material, ZMG232L is a Fe-22%Cr ferritic alloy with a small addition of special elements for SOFC interconnector which is alloy-designed and developed to obtain these required properties at the same time. ZMG232J3 has better oxidation resistance and better electrical conductivity than those of ZMG232L. ZMG232G10 has lower Cr evaporation than that of ZMG232L and ZMG232J3.
Our Stock Delivery System : ZMG232J3, ZMG232G10
We, Hitachi Metals , Ltd., as being your beneficial supplier, always keep ZMG232J3, ZMG232G10 stock and Instant Delivery System mainly, for your “R&D”.
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| Concerning the dimension of our stock inventory might be changed without prior notice. As to the reason, we do sincerely ask you to get in touch with us and confirm our stock inventory in each case base. |
Promotional Sales for Fuel Cell Related Material
We can accept your material processing such as “Pressing, Etching, Mesh-shaping and Surface treatment”.
We would like to thank New Energy and Industrial Technology ResearchDevelopmentOrganization (NEDO) for supporting most of this research and development.
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| Sample 1 Pressing | Sample 2 Etching | Sample 3 Mesh-shaping |
We would like to thank New Energy and Industrial Technology ResearchDevelopmentOrganization (NEDO) for supporting most of this research and development.
Products Catalogs (PDF file)
| Product | File Size |
|---|---|
| Metallic Interconnector material for SOFC ZMG™232J3, ZMG™232G10 |
262KB  |
