Performance of Polymer Electrolyte Membrane Fuel Cell Single Cells Prepared Using Hierarchical Microporous-Mesoporous Carbon Supported Pt Nanoparticles Activated Catalysts

Sepp, Silver; Vaarmets, Kersti; Nerut, Jaak; Tallo, Indrek; Tee, Ester; Kurig, Heisi; Aruväli, Jaan; Kanarbik, Rait; Lust, Enn

doi:10.1016/j.electacta.2016.03.158

Cited by 28 publications

(46 citation statements)

References 41 publications

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“…Polymeric materials have been used as an alternative for production of electrolytes for several devices such as batteries, fuel cells, and supercapacitors . Thermoplastic polymers, due to its thermal and mechanical properties, were the first polymers to be used for the production of polymeric electrolytes.…”

Section: Introductionmentioning

confidence: 99%

New all solid‐state polymer electrolyte based on epoxy resin and ionic liquid for high temperature applications

Silva

Soares

2017

J of Applied Polymer Sci

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Flexible epoxy network loaded with high amount of ionic liquid (IL) 1‐decyl‐3‐methylimidazolium bromide ([DMIM]Br) has been reported by using a mixture of polyol amine as curing agent. The IL presents good electrochemical response even at 170 °C, as no evidence of redox reactions was observed. The incorporation of as high as 50 wt % of this IL within the epoxy matrix resulted in solid and flexible electrolyte with good thermal stability below 180 °C, as measured by thermogravimetric analysis and ionic conductivity of around 10−6 S cm−1 at room temperature and higher than 10−3 S cm−1 at high temperature. This electrolyte presented a prodigious potential for applications in electrochemical devices at high temperature like batteries and supercapacitors, and the flexibility of this solid electrolyte persist at low temperature because of its low glass transition temperature. Furthermore, leakage problems were not observed. Thereby, impedance spectroscopy and cyclic voltammetry were performed to characterize the electrochemical properties. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45838.

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Section: Introductionmentioning

confidence: 99%

New all solid‐state polymer electrolyte based on epoxy resin and ionic liquid for high temperature applications

Silva

Soares

2017

J of Applied Polymer Sci

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“…Based on the particle size analysis of many surface areas (with more than 130 particles), the average size of the Pt nanoparticles deposited into/onto C(Mo 2 C)750°C support was found to be 6.0 ± 1.7 nm [37]. However, also somewhat bigger agglomerates of platinum nanoparticles have been deposited onto some surface areas (Fig.…”

Section: Resultsmentioning

confidence: 96%

“…The Pt nanoparticles were deposited onto the carbon support by the sodium borohydride reduction method [35,37,38]. For better comparison, the similar protocol with the previous works [32,37] was used to synthesize about 0.4 g catalyst material (cathodes as well as anodes), where the mass percent of Pt in the catalyst materials synthesized was ∼ 7 0 w t % (1 4 a t .% , i . e. , e l ec t r o de l oa di ng w as ∼0.7 mg Pt cm −2 ).…”

Section: Experimental Preparation and Deposition Of Pt Nanoclusters Omentioning

confidence: 99%

“…The prepared MEA was placed between the graphite plates with septrine gas flow channels. The polytetrafluoroethylene gaskets (0.25 mm) and ELAT 1400W gas diffusion layers [37] were used for assembling of the single cell. The single cell was held together by eight 6-mm bolts with a torque of 5 N m.…”

Section: Preparation Of the Membrane Electrode Assemblymentioning

confidence: 99%

“…In our previous paper [37], it was demonstrated that membrane electrode assemblies (MEAs) prepared from CDC carbon powder-based Pt-C(Mo 2 C) cathodes and Pt-C(Vulcan XC72) anodes are excellent objects to study the impact of carbon catalyst support properties on the performance of a PEMFC single cell. The main aims of this work were to study the suitability of platinum nanocluster activated Pt-C(Mo 2 C) anodes and cathodes (i.e., MEAs with symmetrical chemical composition and structural characteristics) in the fuel cell single-cell conditions and to compare the properties of these materials with those for commonly used commercial carbon support Vulcan XC72-based catalyst Pt-C(Vulcan).…”

Section: Introductionmentioning

confidence: 99%

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Enhanced stability of symmetrical polymer electrolyte membrane fuel cell single cells based on novel hierarchical microporous-mesoporous carbon supports

Sepp

Vaarmets

Nerut

et al. 2016

J Solid State Electrochem

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Fuel cell electrodes were prepared from Pt nanocluster activated hierarchical microporous-mesoporous carbon powders. The carbon supports were synthesized from molybdenum carbide applying the high-temperature chlorination method. Six different synthesis temperatures within the range from 600 to 1000°C were used for preparation of carbon supports. Thermogravimetric analysis, X-ray diffraction, low-temperature nitrogen sorption, and high-resolution scanning electron microscopy methods were used to characterize the structure of the electrode materials and symmetrical membrane electrode assemblies (MEAs). The MEAs prepared were used to conduct the proton exchange membrane fuel cell (PEMFC)single-cell measurements. The polarization and power density curves for single cells were calculated to evaluate the activity of the catalyst materials synthesized. The electrochemically active surface area (from 2.4 to 11.9 m 2 g −1) was obtained in order to estimate the contact surface areas of platinum and Nafion® electrolyte. The values of the electrolyte resistance, polarization resistance, and cell degradation rate were calculated from electrochemical impedance spectroscopy data. The carbon materials synthesized within temperature range from 600 to 850°C were found to be the most suitable supports for PEMFCs, having higher maximum power density values and better stability (cell potential degradation 240 μV h −1) than commercial carbonbased (Vulcan XC72; 670 μV h −1) single cells.

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Developments in fuel cells and electrochemical batteries using nanoparticles and nanofluids

Ghosh

Subudhi

2021

Energy Storage

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Performance of Polymer Electrolyte Membrane Fuel Cell Single Cells Prepared Using Hierarchical Microporous-Mesoporous Carbon Supported Pt Nanoparticles Activated Catalysts

Cited by 28 publications

References 41 publications

New all solid‐state polymer electrolyte based on epoxy resin and ionic liquid for high temperature applications

New all solid‐state polymer electrolyte based on epoxy resin and ionic liquid for high temperature applications

Enhanced stability of symmetrical polymer electrolyte membrane fuel cell single cells based on novel hierarchical microporous-mesoporous carbon supports

Developments in fuel cells and electrochemical batteries using nanoparticles and nanofluids

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