SEALING MATERIALS AND DEVICES UTILIZING SUCH MATERIALS

Title:

SEALING MATERIALS AND DEVICES UTILIZING SUCH MATERIALS

Document Type and Number:

WIPO Patent Application WO2006078747

Kind Code:

A3

Abstract:

A solid oxide fuel cell device incorporates a sealing material resistant to hydrogen gas permeation at a sealing temperature in the intermediate temperature range of 600°C -800°C, the seal having a CTE in the 100x10^-7 /°C to 120x10^-7/°C , wherein the sealing material comprises in weight %, of: (i) a 80 to 95 wt % of glass frit, the glass frit itself having a composition in mole percent of : SiO₂ 70-85%; Al₂O₃0-5%; Na₂O₃ 0-8%; K₂O 10-25%; ZnO 0-10%; ZrO₂ 0-6%; MgO 0-7%; TiO₂ 0-2%; and (ii) and 5wt % to 25wt% of addition comprising at least one of: alumina, zirconia or leucite.

Inventors:

CORTRIGHT JEFFREY E (US)
MORENA ROBERT M (US)
LAMBERSON LISA A (US)
MAUREY PAMELA A (US)

Application Number:

PCT/US2006/001781

Publication Date:

September 08, 2006

Filing Date:

January 13, 2006

Export Citation:

Click for automatic bibliography generation Help

Assignee:

CORNING INC (US)
CORTRIGHT JEFFREY E (US)
MORENA ROBERT M (US)
LAMBERSON LISA A (US)
MAUREY PAMELA A (US)

International Classes:

H01M2/08; C03C8/02; C03C8/04; C03C8/16; C03C8/20; C03C8/24

Foreign References:

US4946622A	1990-08-07
US5273837A	1993-12-28
US6291092B1	2001-09-18

Other References: