Method for measuring recovery of catalytic elements from fuel cells
Abstract
A method is provided for measuring the concentration of a catalytic clement in a fuel cell powder. The method includes depositing on a porous substrate at least one layer of a powder mixture comprising the fuel cell powder and an internal standard material, ablating a sample of the powder mixture using a laser, and vaporizing the sample using an inductively coupled plasma. A normalized concentration of catalytic element in the sample is determined by quantifying the intensity of a first signal correlated to the amount of catalytic element in the sample, quantifying the intensity of a second signal correlated to the amount of internal standard material in the sample, and using a ratio of the first signal intensity to the second signal intensity to cancel out the effects of sample size.
- Inventors:
-
- Edison, NJ
- Berkeley, NJ
- Issue Date:
- Research Org.:
- BASF Corporation (Florham Park, NJ)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1016542
- Patent Number(s):
- 7901940
- Application Number:
- US Patent Application 12/134,543
- Assignee:
- BASF Corporation (Florham Park, NJ)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- DOE Contract Number:
- FC36-03GO13104
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE
Citation Formats
Shore, Lawrence, and Matlin, Ramail. Method for measuring recovery of catalytic elements from fuel cells. United States: N. p., 2011.
Web.
Shore, Lawrence, & Matlin, Ramail. Method for measuring recovery of catalytic elements from fuel cells. United States.
Shore, Lawrence, and Matlin, Ramail. Tue .
"Method for measuring recovery of catalytic elements from fuel cells". United States. https://www.osti.gov/servlets/purl/1016542.
@article{osti_1016542,
title = {Method for measuring recovery of catalytic elements from fuel cells},
author = {Shore, Lawrence and Matlin, Ramail},
abstractNote = {A method is provided for measuring the concentration of a catalytic clement in a fuel cell powder. The method includes depositing on a porous substrate at least one layer of a powder mixture comprising the fuel cell powder and an internal standard material, ablating a sample of the powder mixture using a laser, and vaporizing the sample using an inductively coupled plasma. A normalized concentration of catalytic element in the sample is determined by quantifying the intensity of a first signal correlated to the amount of catalytic element in the sample, quantifying the intensity of a second signal correlated to the amount of internal standard material in the sample, and using a ratio of the first signal intensity to the second signal intensity to cancel out the effects of sample size.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {3}
}
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