CERAMIC ELEMENT USING METAL OXIDE AND METHOD FOR MANUFACTURING SAME

WIPO Patent Application WO/2020/060062

A1

The present invention relates to a ceramic element using a metal oxide and a method for manufacturing same and, more specifically, to a ceramic element in which a metal oxide is employed so as to protect the metal against oxidation during thermal treatment and thus has a nanoporous structure while preventing the shrinkage and expansion thereof, and a method for manufacturing same. The present invention provides a multilayered ceramic laminate comprising: a ceramic tape; and an electrode that comprises a core including at least one metal oxide selected from the group consisting of copper oxide and nickel oxide, and a shell including a metal and sheathing the core and which is coated with glass on the surface thereof and then printed in mixture with a binder on the ceramic tape. The technical gist of the present invention lies in the feature that when the ceramic laminate is subjected to secondary thermal treatment in a reductant atmosphere after a primary thermal treatment in an oxidative atmosphere, the metal oxide is reduced to a metal with the segregation of oxygen therefrom and the concomitant generation of pores at the oxygen-segregated portions, whereby the reduced metal has a nanoporous structure.

JEONG SOON JONG (KR)
LIM DONG HWAN (KR)
KOO BO KUN (KR)
KIM MIN SOO (KR)
KIM IN SUNG (KR)
SHIN DONG JIN (KR)

PCT/KR2019/011055

March 26, 2020

August 29, 2019

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KERI KOREA ELECTROTECHNOLOGY RES INST (KR)

H01G4/30; H01G4/12

KR101509878B1	2015-04-07
JP2004289089A	2004-10-14
KR101018240B1	2011-03-03
KR101266002B1	2013-05-22
US20080010796A1	2008-01-17

PUKYUNG INTERNATIONAL PATENT & LAW FIRM (KR)

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