Ceramic member with oxygen ion conductivity and use thereof

Details Ceramic member with oxygen ion conductivity and use thereof Ceramic member with oxygen ion conductivity and use thereof

2002-11-07

2008-10-28

Neckel, Alexa D (Department: 1795)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

C095S054000, C096S004000, C096S011000, C501S135000, C501S152000

Reexamination Certificate

active

07442344

ABSTRACT:
It is an object of the present invention to provide a ceramic member with excellent balance between oxygen ion conductivity and endurance (resistance to cracking and the like), an oxygen ion permeation module and a chemical reactor such as an oxygen separator, using such a ceramic member. The ceramic member with oxygen ion conductivity in accordance with the present invention has a perovskite-type crystal structure and a composition represented by the general formula:in-line-formulae description="In-line Formulae" end="lead"?(Ln1−xMx)(Ti1−yFey)O3in-line-formulae description="In-line Formulae" end="tail"?(where Ln represents at least one element selected from lanthanoids, and M represents at least one element selected from the group containing Sr, Ca, and Ba, 0<x<1, 0.4≦y<1, x+y≧1). The oxygen ion permeation module composed by employing such a ceramic member can be used as a structural component of an oxygen separator, an oxidation reactor (for example, a reactor for partial oxidation of hydrocarbons), and the like.

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