High permeance sulfur tolerant Pd/Cu alloy membranes

Title: High permeance sulfur tolerant Pd/Cu alloy membranes

A method of making a membrane permeable to hydrogen gas (H.sub.2.uparw.) is disclosed. The membrane is made by forming a palladium layer, depositing a layer of copper on the palladium layer, and galvanically displacing a portion of the copper with palladium. The membrane has improved resistance to poisoning by H.sub.2S compared to a palladium membrane. The membrane also has increased permeance of hydrogen gas compared to palladium-copper alloys. The membrane can be annealed at a lower temperature for a shorter amount of time.

Inventors:: Ma, Yi Hua; Pomerantz, Natalie

Issue Date:: 2014-02-18

OSTI Identifier:: 1124795

Assignee:: Worcester Polytechnic Institute (Worcester, MA) NETL

Patent Number(s):: 8,652,239

Application Number:: 13/099,688

Contract Number:: FC26-07NT43058; FG26-04NT42194

Resource Relation:: Patent File Date: 2011 May 03

Research Org:: Worcester Polytechnic Institute, Worcester, MA, USA

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

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Other works cited in this record:

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