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1. EP2403044 - Sealing materials, solid oxide fuel cells utilizing such materials and a method of making such materials

Office European Patent Office
Application Number 11181659
Application Date 03.04.2008
Publication Number 2403044
Publication Date 04.01.2012
Publication Kind B1
IPC
H01M 8/12
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
10Fuel cells with solid electrolytes
12operating at high temperature, e.g. with stabilised ZrO2 electrolyte
C03B 27/012
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
27Tempering glass products
012by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
C03C 3/064
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
064containing boron
C03C 8/24
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
8Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
24Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders
C03C 10/00
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
10Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
C03C 14/00
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
14Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
CPC
C03C 3/064
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
3Glass compositions
04containing silica
062with less than 40% silica by weight
064containing boron
C03C 8/24
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
8Enamels; Glazes
24Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders
C03C 10/0036
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
10Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
0036containing SiO2, Al2O3 and a divalent metal oxide as main constituents
C04B 37/025
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
37Joining burned ceramic articles with other burned ceramic articles or other articles by heating
02with metallic articles
023characterised by the interlayer used
025consisting of glass or ceramic material
C04B 2237/10
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
2237Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
02Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
10Glass interlayers, e.g. frit or flux
C04B 2237/348
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
2237Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
30Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
32Ceramic
34Oxidic
345Refractory metal oxides
348Zirconia, hafnia, zirconates or hafnates
Applicants CORNING INC
Inventors LAMBERSON LISA A
MORENA ROBERT M
SANFORD EARL J
THIBAULT YVES
WHEATON BRYAN R
Designated States
Priority Data 08742523 03.04.2008 EP
92302107 12.04.2007 US
Title
(DE) Dichtungsmaterialien, Festoxidbrennstoffzellen mit den Materialien und Verfahren zur Herstellung der Materialien
(EN) Sealing materials, solid oxide fuel cells utilizing such materials and a method of making such materials
(FR) Matériaux d'étanchéité, piles à combustible à oxyde solide utilisant lesdits matériaux et procédé de fabrication de ces matériaux
Abstract
(EN)
According to one embodiment a solid oxide fuel cell device incorporates a seal resistant to hydrogen gas permeation at a in the range of 600°C to 900°C, the seal having a CTE in the range of 80x10-7/°C to 120x10-7/°C, wherein the seal comprises a sealing material being highly crystalline, with at least 70 vol% crystalline phase, the sealing material comprises: (i) 80 to 100 wt % of glass frit, wherein the glass frit composition includes in mole% MgO, 0-10% CaO, 0-30% BaO, 30-50% B2O3, greater than 19% and less than 40% Al2O3, 10-30% SiO2, 10-30%; and (ii) a filler, 0 wt % to 20 wt%.

(FR)
Cette invention se rapporte à une pile à combustible d'oxyde solide comprenant un joint résistant à la perméation de gaz d'hydrogène dans une gamme de 600 °C à 9 000 °C, ledit joint ayant une valeur CTE comprise entre 100 x l0-7/°C et 120 x l0-7/°C, ledit joint comprenant un matériau de scellement comportant en % en poids : (i) de 80 à 100 % en poids de joint organique, ledit joint organique comprenant en % en mole : de 0 à 10 % de MgO, de 0 à 30 % de CaO, de 30 à 50 % de BaO, de 0 à 40 % de B2O3, de 10 à 30 % d'Al2O3, de 10 à 30 % de SiO2, et (ii) de 0 à 20 % en poids d'une charge.