Composite S-PEEK membranes for medium temperature polymer electrolyte fuel cells

Carbone, A.; Pedicini, R.; Saccà, A.; Gatto, Irene; Passalacqua, E.

doi:10.1016/j.jpowsour.2007.10.023

Cited by 51 publications

(41 citation statements)

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“…11 shows the polarization and power density curves of fuel cells which were tested with the as-prepared membranes at 60°C and 80°C and 90% relative humidity. The fuel cell performance improved at higher temperature due to the desired electrode kinetics and higher proton conductivity of the membrane [62][63][64]. The open circuit voltage (OCV) of SP/IT1 membrane at 60°C was 0.84 and was increased to 0.87 at 80°C.…”

Section: Fuel Cell Performance Testmentioning

confidence: 99%

Fabrication and physico-chemical properties of iron titanate nanoparticles based sulfonated poly (ether ether ketone) membrane for proton exchange membrane fuel cell application

2015

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Section: Fuel Cell Performance Testmentioning

confidence: 99%

Fabrication and physico-chemical properties of iron titanate nanoparticles based sulfonated poly (ether ether ketone) membrane for proton exchange membrane fuel cell application

2015

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“…The membrane proton conductivity was determined at T cell = 120 C as a function of RH (%) by using a 10, 25, 44% RH [35].…”

Section: Proton Conductivity Measurementsmentioning

confidence: 99%

Phosphotungstic Acid Supported on a Nanopowdered ZrO₂ as a Filler in Nafion‐Based Membranes for Polymer Electrolyte Fuel Cells

et al. 2008

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An inorganic filler prepared by impregnation of phosphotungstic heteropolyacid on zirconia (HPW/Zr) was developed to be inserted into a perfluorosulphonic polymer matrix for a polymer electrolyte fuel cell (PEFC) operating at a medium temperature (80–120 °C) and low relative humidity (RH). Two different phosphotungstic acid (PWA) loadings (30 and 45% w/w) were anchored on a nanopowdered ZrO2. Such compounds were characterised by different techniques: differential scanning calorimetry (DSC), X‐ray diffraction (XRD), energy dispersive X‐ray analysis (EDX) and porosity and surface area by Brunauer–Emmett–Teller (BET), to verify the introduction and anchorage of PWA on ZrO2. Two composite Nafion membranes were prepared and characterised in terms of chemical–physical characteristics and electrochemical tests. Thermogravimetric analysis (TGA) provided evidence that HPW/Zr had been incorporated into composite membranes and it was not eluted. A good proton conductivity of about 6 × 10–3 S cm–1 at 120 °C and 25% RH was recorded.Accelerated in situ ageing tests highlighted a good electrochemical stability (more than 150 cycles at 90 °C with dry gases) of the composite membranes with a slow decay and a reasonable integrity of the analysed membrane‐electrodes assembly (MEA). Finally, a post‐mortem SEM–EDX analysis on MEAs confirmed the presence of HPW/Zr in the membrane after the in situ testing.

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“…A 2.5 cm Â 0.52 cm sample was assembled into the cell, in contact with two platinum electrodes placed at a fixed position. The membranes conductivity was determined as a function of temperature (from 30 to 120 C) and relative humidity (RH) of 100% [23].…”

Section: Electrochemical Characterizationmentioning

confidence: 99%

Electrochemical characterization of sulfonated PEEK-WC membranes for PEM fuel cells

Iulianelli

Gatto

Trotta

et al. 2013

International Journal of Hydrogen Energy

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Composite S-PEEK membranes for medium temperature polymer electrolyte fuel cells

Cited by 51 publications

References 11 publications

Fabrication and physico-chemical properties of iron titanate nanoparticles based sulfonated poly (ether ether ketone) membrane for proton exchange membrane fuel cell application

Fabrication and physico-chemical properties of iron titanate nanoparticles based sulfonated poly (ether ether ketone) membrane for proton exchange membrane fuel cell application

Phosphotungstic Acid Supported on a Nanopowdered ZrO₂ as a Filler in Nafion‐Based Membranes for Polymer Electrolyte Fuel Cells

Electrochemical characterization of sulfonated PEEK-WC membranes for PEM fuel cells

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Composite S-PEEK membranes for medium temperature polymer electrolyte fuel cells

Cited by 51 publications

References 11 publications

Fabrication and physico-chemical properties of iron titanate nanoparticles based sulfonated poly (ether ether ketone) membrane for proton exchange membrane fuel cell application

Fabrication and physico-chemical properties of iron titanate nanoparticles based sulfonated poly (ether ether ketone) membrane for proton exchange membrane fuel cell application

Phosphotungstic Acid Supported on a Nanopowdered ZrO2 as a Filler in Nafion‐Based Membranes for Polymer Electrolyte Fuel Cells

Electrochemical characterization of sulfonated PEEK-WC membranes for PEM fuel cells

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Phosphotungstic Acid Supported on a Nanopowdered ZrO₂ as a Filler in Nafion‐Based Membranes for Polymer Electrolyte Fuel Cells