Ex-situ PEM fuel cell testing: towards visualizing gas...

Details Ex-situ PEM fuel cell testing: towards visualizing gas... Ex-situ PEM fuel cell testing: towards visualizing gas...

2008-07-01

2008-07-01

Drodge, Joseph W (Department: 1797)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S433000, C204S435000, C204S630000, C324S438000, C422S051000, C422S082070, C422S082080

Reexamination Certificate

active

07393442

ABSTRACT:
The invention comprises novel apparatuses and testing methods for evaluating a fluid diffusion component. The apparatus includes a fluid capable of undergoing oxidation or reduction, a half-cell electrode assembly able to receive the fluid, and a change in acidity indicator in communication with the assembly. An inventive method of the invention includes the steps of passing a fluid capable of undergoing oxidation or reduction through a half-cell electrode assembly to form a sample, contacting the sample with an indicator, and detecting a change in acidity in the indicator.

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Reddington, et. al. Combinatorial Electrochemistry: A Highly Parallel, Optical Screening Method for Discovery of Better Electrocatalysts, Science, 280, 1735-1737 (1998).
Tillmetz, W., Ph.D. Thesis, Technical Institute of Munich (Anorganisch-Chemisches Institut der Technischen Univeritat Munchen), 1984, p. 228-230.

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