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AssigneeToyota Jidosha Kabushiki Kaisha
InventorsRentaro Mori, Sumio Kamiya, Yukihiro Kato, Susumu Sarai
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Provided are a composite material that has lower volume resistivity in comparison with SiC, SiC—Si, and the like, which are materials for forming constituent elements of an EHC, has low temperature dependence of volume resistivity, and thus is able to form a constituent element of a high-performance EHC; an electrode film, an electrode terminal, and a honeycomb substrate that are constituent elements of an EHC formed with such composite material, and a method for producing them. The composite material contains MoSi2 and at least one of Si or SiC, and is a material for forming a constituent element of an electrically heated catalytic converter. An electrode film 2, an electrode terminal 3, and a substrate 1 are produced from such composite material.
An electrode film provided on a surface of a honeycomb substrate with a catalyst coating layer, the electrode film being formed of a composite material comprising MoSi2 and at least one of Si or SiC, the electrode film being a constituent element of an electrically heated catalytic converter, wherein a content of MoSi2 of the electrode film is greater than 35 mass % of the electrode film, and the volume resistivity of the electrode film is lower than or equal to 1/1000 of the volume resistivity of the honeycomb substrate.
Dependencies are inferred from the claim text.