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Title: High permeance sulfur tolerant Pd/Cu alloy membranes

Abstract

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:
;
Issue Date:
Research Org.:
Worcester Polytechnic Institute, Worcester, MA, USA
Sponsoring Org.:
USDOE
OSTI Identifier:
1124795
Patent Number(s):
8652239
Application Number:
13/099,688
Assignee:
Worcester Polytechnic Institute (Worcester, MA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
DOE Contract Number:  
FC26-07NT43058; FG26-04NT42194
Resource Type:
Patent
Resource Relation:
Patent File Date: 2011 May 03
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Ma, Yi Hua, and Pomerantz, Natalie. High permeance sulfur tolerant Pd/Cu alloy membranes. United States: N. p., 2014. Web.
Ma, Yi Hua, & Pomerantz, Natalie. High permeance sulfur tolerant Pd/Cu alloy membranes. United States.
Ma, Yi Hua, and Pomerantz, Natalie. Tue . "High permeance sulfur tolerant Pd/Cu alloy membranes". United States. https://www.osti.gov/servlets/purl/1124795.
@article{osti_1124795,
title = {High permeance sulfur tolerant Pd/Cu alloy membranes},
author = {Ma, Yi Hua and Pomerantz, Natalie},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {2}
}

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