Cross-linked sulfonated poly(ether ether ketone)-poly ethylene glycol/silica organic–inorganic nanocomposite membrane for fuel cell application

Kumari, Monika; Sodaye, H. S.; Bindal, R.C.

doi:10.1016/j.jpowsour.2018.07.053

Cited by 37 publications

(19 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Kumari et al applied silicate as a filler in a SPEEK matrix polymer. Silica improved the proton conductivity and mechanical strength of the SPEEK polymer membrane with various weight percentages, as shown in Figure .…”

Section: Functional Properties Of Membrane Affected By Additivesmentioning

confidence: 99%

“…SPEEK membrane with silica nanofiller and the enhancement of mechanical properties in stress vs strain graph [Colour figure can be viewed at wileyonlinelibrary.com]…”

Section: Functional Properties Of Membrane Affected By Additivesmentioning

confidence: 99%

“…Additionally, as the organic-inorganic bonds formed lead to the formation of ion pairs, there is an acid-base interaction, hydration of composite sulfonic acid, and hydrophilicity for silanol groups, and the silica phase is also reduced. Kumari et al 268 applied silicate as a filler in a SPEEK matrix polymer. Silica improved the proton conductivity and mechanical strength of the SPEEK polymer membrane with various weight percentages, as shown in Figure 7.…”

Section: Mechanical Strengthmentioning

confidence: 99%

See 2 more Smart Citations

Recent advances in additive‐enhanced polymer electrolyte membrane properties in fuel cell applications: An overview

2019

View full text Add to dashboard Cite

Summary Additives such as fillers, cross‐linkers, and plasticizers have become increasingly important in the polymer nanocomposite production field, especially for enhancing the structural morphology, functional behavior, and final performance of nanocomposites in broad applications. The current work is an overview of the effects of additive substances such as fillers, cross‐linkers, and plasticizers in the polymer electrolyte membrane composites applied to fuel cells. A comparative review is conducted by categorizing fillers into several types, and the most popular cross‐linkers and plasticizers used in fuel cell membranes are included in this review. The highlighted properties include the proton conductivity, permeability, mechanical properties, thermal properties, crystallinity, and structure of additive‐modified nanocomposites. Furthermore, the challenges and future prospects in the additive field are discussed in Section 5.0. This review can provide a reference for researchers seeking specific substances that can be used to enhance nanocomposite properties, especially in membrane fuel cell applications.

show abstract

Section: Functional Properties Of Membrane Affected By Additivesmentioning

confidence: 99%

“…SPEEK membrane with silica nanofiller and the enhancement of mechanical properties in stress vs strain graph [Colour figure can be viewed at wileyonlinelibrary.com]…”

Section: Functional Properties Of Membrane Affected By Additivesmentioning

confidence: 99%

Section: Mechanical Strengthmentioning

confidence: 99%

See 1 more Smart Citation

Recent advances in additive‐enhanced polymer electrolyte membrane properties in fuel cell applications: An overview

2019

View full text Add to dashboard Cite

show abstract

“…10 However, it has many drawbacks such as complicated synthetic procedure, loss of ionic conductivity at higher temperatures, and high cost, which hinder its further applications. 11,12 This is the reason that the current research focuses on the development of alternative proton conducting membranes comparable to Naon in terms of technical and economic viability for fuel cell applications. 13 Poly(vinyl alcohol)-based electrolyte membranes are most desirable candidates due to their extensive applications in fuel cells.…”

Section: Introductionmentioning

confidence: 99%

Novel cross-linked poly(vinyl alcohol)-based electrolyte membranes for fuel cell applications

2020

View full text Add to dashboard Cite

show abstract

“…One way to modify the properties is to use graphene oxide [9] or carbon nanotubes [10] for SPEEK composite preparation. Cross-linking and blending with other polymer are also considered as efficient modification methods [11]. Inorganic additives can be montmorillonite (MMT), zeolites, SiO2, TiO2.…”

Section: Introduction mentioning

confidence: 99%

Composite Membranes of Sulfonated Poly(ether ether ketone) with Active Carbon: Composite Preparation and Investigation of their Properties for Potential Application for CO2 Electrochemical Reduction

Fedorenko

Vaivars²

2020

View full text Add to dashboard Cite

In this study, synthesis of sulfonated poly(ether ether ketone) (SPEEK) was performed using sulfonation method with concentrated sulfuric acid. Polymer with three degrees of sulfonation was obtained: 0.87; 0.82 and 0.74. Composite membranes were synthesized with an activated carbon. Ultrasonication method was used in order to achieve homogeneity of distribution of the additive in polymer solution and then in polymer membranes. Membranes with various content of the additive were made: 0; 0.15; 0.3; 0.5; 0.6; 0.8; 1.0; 2.0 and 3.0 %. Swelling degree, water uptake, proton conductivity, isoelectric point, thermal properties and surface morphology of the membranes were analyzed. Proton conductivity was determined using impedance analysis with two electrode system and through-plane configuration. Two methods were used: differential and single membrane method. Differential method is proposed to have significant advantage as it reduces contact resistance, which otherwise is difficult to control and evaluate. Surface zeta potential of membrane surface was investigated, and membranes have shown variation of the potential. Isoelectric point was determined for the membranes with DS 0.82 and carbon content 0 % and 0.5 %, and it was found to be at pH 4. Water uptake and swelling degree of the membranes was studied, and active carbon content was found to not have major influence on those properties, but higher content of sulfonic groups leads to increased water uptake and swelling degree. Thermogravimetric analysis showed slightly better thermal properties of membranes with the additive, compared to the blank membranes, which can be related to differences in the water uptake. Surface of the membrane was investigated using scanning electron microscopy, and no considerable defects were observed.

show abstract

Cross-linked sulfonated poly(ether ether ketone)-poly ethylene glycol/silica organic–inorganic nanocomposite membrane for fuel cell application

Cited by 37 publications

References 43 publications

Recent advances in additive‐enhanced polymer electrolyte membrane properties in fuel cell applications: An overview

Recent advances in additive‐enhanced polymer electrolyte membrane properties in fuel cell applications: An overview

Novel cross-linked poly(vinyl alcohol)-based electrolyte membranes for fuel cell applications

Composite Membranes of Sulfonated Poly(ether ether ketone) with Active Carbon: Composite Preparation and Investigation of their Properties for Potential Application for CO2 Electrochemical Reduction

Contact Info

Product

Resources

About