Within a hydrogen fuel cell, which outcome prematurely halts electricity production?

💡 Explanation

Platinum catalyst surface poisoning occurs because even trace amounts of adsorbed carbon monoxide strongly inhibit hydrogen oxidation reaction, thus the cell voltage collapses rapidly rather than maintaining an optimal reaction condition because poisoning blocks catalytic sites.

• Which outcome occurs when pump flow exceeds thresholds?
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• Which risk increases greatly when applying reverse bias?
• Which risk increases during mass spectrometry of organic isotopes?
• Which outcome results when radioactive material experiences neutron bombardment?
• Which outcome occurs when polar molecules aggregate at an interface in an emulsion?