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Title: Operation of mixed conducting metal oxide membrane systems under transient conditions

Patent ·
OSTI ID:985699

Method of operating an oxygen-permeable mixed conducting membrane having an oxidant feed side, an oxidant feed surface, a permeate side, and a permeate surface, which method comprises controlling the differential strain between the permeate surface and the oxidant feed surface at a value below a selected maximum value by varying the oxygen partial pressure on either or both of the oxidant feed side and the permeate side of the membrane.

Research Organization:
Air Products and Chemicals, Inc. (Allentown, PA)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-98FT40343
Assignee:
Air Products and Chemicals, Inc. (Allentown, PA)
Patent Number(s):
7,468,092
Application Number:
11/115,778
OSTI ID:
985699
Country of Publication:
United States
Language:
English

References (4)

Chemical Expansivity of Electrochemical Ceramics journal September 2001
Use of the Rigid Band Formalism to Interpret the Relationship between O Chemical Potential and Electron Concentration in La 1 x Sr x CoO 3 δ journal September 1996
Prospects and problems of dense oxygen permeable membranes journal February 2000
Creep of ceramics: Part 1 Mechanical characteristics journal January 1983