Noble metal gas barriers

Details Noble metal gas barriers Noble metal gas barriers

2006-07-11

2006-07-11

Greene, Jason M. (Department: 1724)

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

C095S054000, C095S055000, C095S056000, C096S004000, C096S011000, C429S006000, C429S006000, C429S006000, C429S006000, C429S047000, C429S053000, C429S057000, C429S082000

Reexamination Certificate

active

07074255

ABSTRACT:
A method for separating gases within a barrier, and a metallic barrier separating the gases is provided for use in solid oxide fuel cells, or SOFC. A network of pores can vent steam formed within the barrier by the reaction of hydrogen diffusing from one side and oxygen diffusing from the other side. This venting prevents the buildup of destructive pressure within the barrier, while retaining the required gas separation and electrical conductivity properties. The invention can be applied to systems other than solid oxide fuel cells and includes barriers made of noble metals and non-noble metals.

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