Precious Metal Recovery from Fuel Cell MEA's
- BASF Catalysts LLC, Iselin, NJ (United States)
In 2003, Engelhard Corporation received a DOE award to develop a cost-effective, environmentally friendly approach to recover Pt from fuel cell membrane electrode assemblies (MEA’s). The most important precious metal used in fuel cells is platinum, but ruthenium is also added to the anode electrocatalyst if CO is present in the hydrogen stream. As part of the project, a large number of measurements of Pt and Ru need to be made. A low-cost approach to measuring Pt is using the industry standard spectrophotometric measurement of Pt complexed with stannous chloride. The interference of Ru can be eliminated by reading the Pt absorbance at 450 nm. Spectrophotometric methods for measuring Ru, while reported in the literature, are not as robust. These slides will discuss the options for measuring Pt and Ru using the method of UV-VIS spectrophotometry
- Research Organization:
- BASF Catalysts LLC, Iselin, NJ (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- DOE Contract Number:
- FC36-03GO13104
- OSTI ID:
- 962821
- Report Number(s):
- DOE-GO13104-3; TRN: US200917%%103
- Resource Relation:
- Conference: 2004 AIChE Spring Meeting, New Orleans, LA (United States), 25 - 29 Apr 2004
- Country of Publication:
- United States
- Language:
- English
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