Preparation and performance evaluation of a Nafion-TiO2 composite membrane for PEMFCs

Tian, Jianhua; Gao, Pengfei; Zhang, Zhiyuan; Luo, Wenhui; Shan, Zhongqiang

doi:10.1016/j.ijhydene.2008.07.036

Cited by 61 publications

(14 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Apart from ionic conductivity, addition of fillers increases the mechanical integrity of polymer electrolyte membranes. Addition of fillers can improve interfacial stability between electrodes and electrolytes, enhance cationic diffusivity by altering the ionic transport properties, reduce the water retention of polymer electrolyte membranes and decrease glass transition temperature ( T g ) of the polymer matrix [ 8 , 9 , 10 , 11 , 12 , 13 ]. Nanotechnology has received an upsurge of interest in recent years.…”

Section: Introductionmentioning

confidence: 99%

Poly(Acrylic acid)–Based Hybrid Inorganic–Organic Electrolytes Membrane for Electrical Double Layer Capacitors Application

Liew

Numan

et al. 2016

Polymers

View full text Add to dashboard Cite

Nanocomposite polymer electrolyte membranes (NCPEMs) based on poly(acrylic acid)(PAA) and titania (TiO 2 ) are prepared by a solution casting technique. The ionic conductivity of NCPEMs increases with the weight ratio of TiO 2 .The highest ionic conductivity of (8.36˘0.01)ˆ10´4 S¨cm´1 is obtained with addition of 6 wt % of TiO 2 at ambient temperature. The complexation between PAA, LiTFSI and TiO 2 is discussed in Attenuated total reflectance-Fourier Transform Infrared (ATR-FTIR) studies. Electrical double layer capacitors (EDLCs) are fabricated using the filler-free polymer electrolyte or the most conducting NCPEM and carbon-based electrodes. The electrochemical performances of fabricated EDLCs are studied through cyclic voltammetry (CV) and galvanostatic charge-discharge studies. EDLC comprising NCPEM shows the specific capacitance of 28.56 F¨g´1 (or equivalent to 29.54 mF¨cm´2) with excellent electrochemical stability.

show abstract

Section: Introductionmentioning

confidence: 99%

Poly(Acrylic acid)–Based Hybrid Inorganic–Organic Electrolytes Membrane for Electrical Double Layer Capacitors Application

Liew

Numan

et al. 2016

Polymers

View full text Add to dashboard Cite

show abstract

“…The tetragonal phase of ZrO 2 nanoparticles is considered to be the one that is highly catalytic, with low thermal conductivity and thermal expansion coefficient compared with the others, rendering them suitable for use as oxide ion conductors in higher temperature sensors (Adjemian et al, 2006;Costamagna et al, 2002). This tetragonal ZrO 2 is also used as a catalyst and catalyst support for various gas phase reactions (Casciola et al, 2008;Jian-Hua et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Synthesis of zirconia-based solid acid nanoparticles for fuel cell application

Sigwadi

Mavundla

Moloto

et al. 2016

J. energy South. Afr.

View full text Add to dashboard Cite

Zirconia nanoparticles were prepared by the precipitation and ageing methods. The precipitation method was performed by adding ammonium solution to the aqueous solution of zirconium chloride at room temperature. The ageing method was performed by leaving the precipitate formed in the mother liquor in the glass beaker for 48 hours at ambient temperatures. The nanoparticles from both methods were further sulphated and phosphated to increase their acid sites. The materials prepared were characterised by X-ray diffraction (XRD), thermo-gravimetric analysis (TGA), Brunauer-EmmettTeller (BET), transmission electron microscopy (TEM) and scanning electron microscopy (SEM) methods. The XRD results showed that the nanoparticles prepared by the precipitation method contained mixed phases of tetragonal and monoclinic phases, whereas the nanoparticles prepared by ageing method had only tetragonal phase. The TEM results showed that phosphated and sulphated zirconia nanoparticles obtained from the ageing method had a smaller particle size (10-12 nm) than the nanoparticles of approximately 25-30 nm prepared by precipitation only. The BET results showed that the ZrO 2 nanoparticles surface area increased from 32 to 72 m 2 /g when aged.

show abstract

“…Among the metal oxide fillers, titanium dioxide has gained attention in different applications due to its good thermal, mechanical, and optical properties, low cost, chemical stability, and non‐toxicity . There are three principal crystal phases in TiO 2 ; anatase, rutile, and brookite, being rutile the most stable and anatase the crystalline phase most commonly found in the literature . Different nanostructures can be obtained with titanium dioxide; nanoparticles, nanowires, nanotubes, and nanofibers .…”

Section: Introductionmentioning

confidence: 99%

The effect of TiO₂ nanoparticles on the properties of sulfonated block copolymers

Ortiz-Negrón

Suleiman

2015

J of Applied Polymer Sci

View full text Add to dashboard Cite

Block copolymers composed of styrene and different elastomeric blocks were sulfonated to high ion exchange capacities (IECs). Titanium dioxide (TiO2) nanoparticles were added to these polymers to improve their mechanical and thermal stabilities, while influencing their transport properties for direct methanol fuel cell (DMFC) applications. Materials properties as proton exchange membranes (PEMs) were analyzed using: FT‐IR, water absorption, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), IEC, methanol permeability, and proton conductivity studies. Although there was no effect of TiO2 nanoparticles on the thermal stability of the membranes, significant changes were observed in the mechanical properties of both sulfonated block copolymers studied. Water absorption increased at low TiO2 content, but was then reduced with the incorporation of more nanoparticles. To enhance the interaction between the inorganic fillers and the polymers, sulfonic and amino groups were attached to the surface of the titania nanoparticles. The effect of sulfonated nanoparticles on the properties of the materials was more significant than the effect of the amino functionalized nanoparticles on all the properties evaluated, suggesting enhanced chemical interactions with the ionic domains of the polymer membranes. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42651.

show abstract

Preparation and performance evaluation of a Nafion-TiO2 composite membrane for PEMFCs

Cited by 61 publications

References 17 publications

Poly(Acrylic acid)–Based Hybrid Inorganic–Organic Electrolytes Membrane for Electrical Double Layer Capacitors Application

Poly(Acrylic acid)–Based Hybrid Inorganic–Organic Electrolytes Membrane for Electrical Double Layer Capacitors Application

Synthesis of zirconia-based solid acid nanoparticles for fuel cell application

The effect of TiO₂ nanoparticles on the properties of sulfonated block copolymers

Contact Info

Product

Resources

About

Preparation and performance evaluation of a Nafion-TiO2 composite membrane for PEMFCs

Cited by 61 publications

References 17 publications

Poly(Acrylic acid)–Based Hybrid Inorganic–Organic Electrolytes Membrane for Electrical Double Layer Capacitors Application

Poly(Acrylic acid)–Based Hybrid Inorganic–Organic Electrolytes Membrane for Electrical Double Layer Capacitors Application

Synthesis of zirconia-based solid acid nanoparticles for fuel cell application

The effect of TiO2 nanoparticles on the properties of sulfonated block copolymers

Contact Info

Product

Resources

About

The effect of TiO₂ nanoparticles on the properties of sulfonated block copolymers