The United States Department of Energy's high temperature, low relative humidity membrane program

Garland, Nancy; Kopasz, John P.

doi:10.1016/j.jpowsour.2007.01.025

Cited by 76 publications

(50 citation statements)

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“…Nafion). These advantages include faster electrode reaction kinetics, high tolerance to CO in fuel hydrogen, elimination of cathode flooding and simpli-fied thermal management [1,2]. In particular, high temperature operation eliminates the need for a humidification unit, which is quite attractive for vehicles equipped with PEMFCs.…”

Section: Introductionmentioning

confidence: 99%

Enhanced performance of polybenzimidazole-based high temperature proton exchange membrane fuel cell with gas diffusion electrodes prepared by automatic catalyst spraying under irradiation technique

Pasupathi

Bladergroen

et al. 2013

Journal of Power Sources

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Su, H. et al. (2013). Enhanced performance of polybenzimidazole-based high temperature proton exchange membrane fuel cell with gas diffusion electrodes prepared by automatic catalyst spraying under irradiation technique. Huaneng Su, Sivakumar Pasupathi, Bernard Jan Bladergroen, Vladimir Linkov and Bruno G. Pollet Abstract Gas diffusion electrodes (GDEs) prepared by a novel automatic catalyst spraying under irradiation (ACSUI) technique are investigated for improving the performance of phosphoric acid (PA)-doped polybenzimidazole (PBI) high temperature proton exchange membrane fuel cell (PEMFC). The physical properties of the GDEs are characterized by pore size distribution and scanning electron microscopy (SEM). The electrochemical properties of the membrane electrode assembly (MEA) with the GDEs are evaluated and analyzed by polarization curve, cyclic voltammetry (CV) and electrochemistry impedance spectroscopy (EIS). Effects of PTFE binder content, PA impregnation and heat treatment on the GDEs are investigated to determine the optimum performance of the single cell. At ambient pressure and 160 o C, the maximum power density can reach 0.61 W cm -2 , and the current density at 0.6 V is up to 0.38 A cm -2 , with H /air and a platinum loading of 0.5 mg cm -2 on both electrodes. The MEA with the GDEs shows good stability for fuel cell operating in a short term durability test.

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Section: Introductionmentioning

confidence: 99%

Enhanced performance of polybenzimidazole-based high temperature proton exchange membrane fuel cell with gas diffusion electrodes prepared by automatic catalyst spraying under irradiation technique

Pasupathi

Bladergroen

et al. 2013

Journal of Power Sources

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“…PEMFCs operating above 100 C are preferred over that operating at low temperature to overcome several disadvantages (like CO catalyst poisoning and heat and water management) associated with the later [1,6,7,24]. Inferior proton conductivity of Nafion at high temperature and low humidity has prompted towards the development of new polymer membranes such as polyethersulfone (PES) [25,26], polyetheretherketone (PEEK) [27][28][29][30], polyimide (PI) [31][32][33], polybenzimidazole (PBI) [34][35][36][37][38][39][40][41], polystyrene-acrylonitrile (SAN) [42,43], and polyvinylidene fluoride (PVDF) [44][45][46] to meet the U. S. Department of Energy (DOE) targets [47,48].…”

Section: Development Of Polymer Membranes For Fuel Cell Applicationsmentioning

confidence: 99%

Polymer-Layered Silicate Nanocomposite Membranes for Fuel Cell Application

Mishra

Kuila

Kim

et al. 2013

Handbook of Polymernanocomposites. Processing, Performance and Application

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“…Thus, many approaches have been proposed to develop alternative membranes as described in recent reviews. 3,4 One interesting approach for the development of elevated temperature membranes is to replace water with low-volatile proton solvent in the membrane. Heterocycles such as imidazole, triazole, or pyrazole have demonstrated to be promising candidates as they undergo a very similar behavior toward protons to that of water.…”

Section: Introductionmentioning

confidence: 99%

Immobilization of imidazole in polymer electrolyte membranes for elevated temperature anhydrous applications

Li¹,

Li²,

Zhang³

et al. 2011

J of Applied Polymer Sci

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Polymer electrolyte composite membranes were cast from the mixture of Nafion V R ionomer and 2-substituted imidazole. The existing flexible hydrocarbon chain on 2-position of imidazole facilitates proton transfer in the membrane at elevated temperature. The formed composite membrane showed an increased glass transition temperature and improved mechanical property compared with plain Nafion V R membrane. At temperature above 100 C, the ionic conductivity of the composite membrane increases with the increase in temperature, reaching 5 Â 10 À3 S cm À1 at 160 C under anhydrous condition.

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The United States Department of Energy's high temperature, low relative humidity membrane program

Cited by 76 publications

References 0 publications

Enhanced performance of polybenzimidazole-based high temperature proton exchange membrane fuel cell with gas diffusion electrodes prepared by automatic catalyst spraying under irradiation technique

Enhanced performance of polybenzimidazole-based high temperature proton exchange membrane fuel cell with gas diffusion electrodes prepared by automatic catalyst spraying under irradiation technique

Polymer-Layered Silicate Nanocomposite Membranes for Fuel Cell Application

Immobilization of imidazole in polymer electrolyte membranes for elevated temperature anhydrous applications

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