dorsal/arxiv
View SchemaThe Stirred Tank Reactor Polymer Electrolyte Membrane Fuel Cell
| Authors | Jay Benziger, E. Chia, E. Karnas, J. Moxley, C. Teuscher, I. G. Kevrekidis |
|---|---|
| Categories | |
| ArXiv ID | physics/0310037 |
| URL | https://arxiv.org/abs/physics/0310037 |
Abstract
The design and operation of a differential Polymer Electrolyte Membrane (PEM) fuel cell is described. The fuel cell design is based on coupled Stirred Tank Reactors (STR); the gas phase in each reactor compartment was well mixed. The characteristic times for reactant flow, gas phase diffusion and reaction were chosen so that the gas compositions at both the anode and cathode are uniform. The STR PEM fuel cell is one-dimensional; the only spatial gradients are transverse to the membrane. The STR PEM fuel cell was employed to examine fuel cell start- up, and its dynamic responses to changes in load, temperature and reactant flow rates. Multiple time scales in systems response are found to correspond to water absorption by the membrane, water transport through the membrane and stress-related mechanical changes of the membrane.
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"abstract": "The design and operation of a differential Polymer Electrolyte Membrane (PEM)\nfuel cell is described. The fuel cell design is based on coupled Stirred Tank\nReactors (STR); the gas phase in each reactor compartment was well mixed. The\ncharacteristic times for reactant flow, gas phase diffusion and reaction were\nchosen so that the gas compositions at both the anode and cathode are uniform.\nThe STR PEM fuel cell is one-dimensional; the only spatial gradients are\ntransverse to the membrane. The STR PEM fuel cell was employed to examine fuel\ncell start- up, and its dynamic responses to changes in load, temperature and\nreactant flow rates. Multiple time scales in systems response are found to\ncorrespond to water absorption by the membrane, water transport through the\nmembrane and stress-related mechanical changes of the membrane.",
"arxiv_id": "physics/0310037",
"authors": [
"Jay Benziger",
"E. Chia",
"E. Karnas",
"J. Moxley",
"C. Teuscher",
"I. G. Kevrekidis"
],
"categories": [
"physics.chem-ph"
],
"title": "The Stirred Tank Reactor Polymer Electrolyte Membrane Fuel Cell",
"url": "https://arxiv.org/abs/physics/0310037"
},
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