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Title: Method of making sulfur-resistant composite metal membranes

Abstract

The invention provides thin, hydrogen-permeable, sulfur-resistant membranes formed from palladium or palladium-alloy coatings on porous, ceramic or metal supports. Also disclosed are methods of making these membranes via sequential electroless plating techniques, wherein the method of making the membrane includes decomposing any organic ligands present on the substrate, reducing the palladium crystallites on the substrate to reduced palladium crystallites, depositing a film of palladium metal on the substrate and then depositing a second, gold film on the palladium film. These two metal films are then annealed at a temperature between about 200.degree. C. and about 1200.degree. C. to form a sulfur-resistant, composite PdAu alloy membrane.

Inventors:
 [1];  [2];  [3]
  1. Boulder, CO
  2. Golden, CO
  3. Littleton, CO
Issue Date:
Research Org.:
Colorado School of Mines (Golden, CO)
Sponsoring Org.:
USDOE
OSTI Identifier:
1034638
Patent Number(s):
8101243
Application Number:
11/768,188
Assignee:
Colorado School of Mines (Golden, CO)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
DOE Contract Number:  
FG26-03NT41792; FG02-93ER14363
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Way, J Douglas, Lusk, Mark, and Thoen, Paul. Method of making sulfur-resistant composite metal membranes. United States: N. p., 2012. Web.
Way, J Douglas, Lusk, Mark, & Thoen, Paul. Method of making sulfur-resistant composite metal membranes. United States.
Way, J Douglas, Lusk, Mark, and Thoen, Paul. Tue . "Method of making sulfur-resistant composite metal membranes". United States. https://www.osti.gov/servlets/purl/1034638.
@article{osti_1034638,
title = {Method of making sulfur-resistant composite metal membranes},
author = {Way, J Douglas and Lusk, Mark and Thoen, Paul},
abstractNote = {The invention provides thin, hydrogen-permeable, sulfur-resistant membranes formed from palladium or palladium-alloy coatings on porous, ceramic or metal supports. Also disclosed are methods of making these membranes via sequential electroless plating techniques, wherein the method of making the membrane includes decomposing any organic ligands present on the substrate, reducing the palladium crystallites on the substrate to reduced palladium crystallites, depositing a film of palladium metal on the substrate and then depositing a second, gold film on the palladium film. These two metal films are then annealed at a temperature between about 200.degree. C. and about 1200.degree. C. to form a sulfur-resistant, composite PdAu alloy membrane.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2012},
month = {1}
}

Patent:

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