B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 18/00 (2006.01) C04B 35/622 (2006.01) H01M 8/02 (2006.01) H01M 8/12 (2006.01) H01M 8/24 (2006.01)
Patent
CA 2328347
To provide effective seals between the separator plates of fuel cells, particularly planar solid oxide fuel cells (SOFC's), a method of applying a glass-ceramic coating to such a separator plate (50) comprises providing a laminar body incorporating a glass powder, e.g., a tape-cast sheet (60), forming a bond between the laminar body (60) and the separator plate to form an assembly comprising the separator plate and the laminar body and heat treating the assembly to convert the glass-powder to a glass-ceramic.
L'invention se rapporte à un procédé permettant de constituer des joints efficaces entre les plaques de séparation de cellules électrochimiques, notamment de cellules électrochimiques à oxyde solide (SOFC) planes. Ce procédé consiste à appliquer un revêtement vitrocéramique à une telle plaque de séparation (50) en utilisant un corps laminaire contenant une poudre de verre, par exemple une feuille (60) moulée sous forme de bande, à former un lien entre le corps laminaire (60) et la plaque de séparation de façon à former un ensemble comprenant la plaque de séparation et le corps laminaire et à soumettre à un traitement thermique ledit ensemble afin de transformer la poudre de verre en vitrocéramique.
Pyke Stephen
Thompson Christopher
Wood Anthony
Alstom Uk
Alstom Uk Ltd.
Fetherstonhaugh & Co.
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