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Title:
SOLID OXIDE FUEL CELL
Document Type and Number:
Japanese Patent JP2014089847
Kind Code:
A
Abstract:

To provide a solid oxide fuel cell in which reoxidation of a substrate tube can be prevented even when the substrate tube is directly exposed to oxygen, and also in which the difference of thermal expansion coefficient between the substrate tube and each power generation element is reduced and generation of leakage current at high temperatures can be suppressed.

A solid oxide fuel cell includes: a substrate tube; a plurality of power generation elements formed by stacking a fuel electrode, an electrolyte and an air electrode on the substrate tube and arranged along the axial direction of the substrate tube; and an interconnector connecting the power generation elements adjacent each other. The substrate tube contains at least SrZrO3 as a main constituent.


Inventors:
MATSUMOTO MINEAKI
TSUKUDA HIROSHI
MATAKE NORIHISA
YOSHIDA SHIN
Application Number:
JP2012238273A
Publication Date:
May 15, 2014
Filing Date:
October 29, 2012
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
H01M8/02; H01M8/12
Domestic Patent References:
JPH11144747A1999-05-28
JPH0636782A1994-02-10
JPH07130385A1995-05-19
JP2010537390A2010-12-02
JPH0734281A1995-02-03
Attorney, Agent or Firm:
Seishin ip patent business corporation



 
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