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A Gerischer Phase Element in the Impedance Diagram of the Polymer Electrolyte Membrane Fuel Cell Anode †

✍ Scribed by Meland, Anne-Kristine; Bedeaux, Dick; Kjelstrup, Signe

Book ID
125967767
Publisher
American Chemical Society
Year
2005
Tongue
English
Weight
99 KB
Volume
109
Category
Article
ISSN
0022-3654

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Rate limiting proton hydration in the an
Rate limiting proton hydration in the anode of the polymer electrolyte membrane fuel cell
✍ Anne-Kristine Meland; Signe Kjelstrup; Dick Bedeaux 📂 Article 📅 2006 🏛 Elsevier Science 🌐 English ⚖ 434 KB

We studied the isothermal hydrogen adsorption and reaction at the carbon and platinum (Pt) surface of the humidified E-TEK electrode of a polymer electrolyte fuel cell (PEMFC) with a Nafion ® 117 membrane by impedance spectroscopy at 30 and 50 • C. We found three rate-limiting steps, one of them is