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公开(公告)号：EP2950091B1
公开(公告)日：2018-01-10
申请号：EP14743576.2
申请日：2014-01-27
IPC分类号： G01N27/407 , G01N27/409 , G01N27/416 , G01N27/41 , H01B1/16
CPC分类号： C09D5/24 , B22F2301/25 , C04B35/482 , C04B2235/3217 , C04B2235/3225 , C04B2235/408 , C09D1/00 , C09D5/34 , C09D7/20 , G01N27/304 , G01N27/404 , G01N27/4045 , G01N27/4073 , G01N27/4075 , G01N27/4141 , H01B1/02 , H01B1/16
摘要： To be provided is a metal paste from which an electrode having high electrode activity as a sensor electrode of various gas sensors can be produced. The present invention is a metal paste for forming a gas sensor electrode obtained by dispersing a conductive particle including Pt or a Pt alloy and a ceramic powder including zirconia or stabilized zirconia, or any of zirconia and stabilized zirconia and one or more oxides of La, Ce, Pr, Nd, Sm, and Hf in a solvent, the metal paste further including an inorganic oxide particle containing alumina and an insoluble particle that is insoluble in the solvent, in which 0.5 or more to 3.0 mass% or less of the inorganic oxide particle and 1.0 to 5.0 mass% of the insoluble particle are dispersed based on the mass of the solid content of the conductive particle, the ceramic powder, the inorganic oxide particle, and the insoluble particle.
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公开(公告)号：EP2950091A1
公开(公告)日：2015-12-02
申请号：EP14743576.2
申请日：2014-01-27
IPC分类号： G01N27/409 , G01N27/41 , G01N27/416
CPC分类号： C09D5/24 , C09D5/34 , G01N27/304 , G01N27/404 , G01N27/4045 , G01N27/4073 , G01N27/4075 , G01N27/4141 , H01B1/16
摘要： To be provided is a metal paste from which an electrode having high electrode activity as a sensor electrode of various gas sensors can be produced. The present invention is a metal paste for forming a gas sensor electrode obtained by dispersing a conductive particle including Pt or a Pt alloy and a ceramic powder including zirconia or stabilized zirconia, or any of zirconia and stabilized zirconia and one or more oxides of La, Ce, Pr, Nd, Sm, and Hf in a solvent, the metal paste further including an inorganic oxide particle containing alumina and an insoluble particle that is insoluble in the solvent, in which 0.5 or more to 3.0 mass% or less of the inorganic oxide particle and 1.0 to 5.0 mass% of the insoluble particle are dispersed based on the mass of the solid content of the conductive particle, the ceramic powder, the inorganic oxide particle, and the insoluble particle.
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