Nanofiber mats electrospun from composite proton exchange membranes prepared from poly(aryl ether sulfone)s with pendant sulfonated aliphatic side chains

Wang, Limei; Zhu, Jianguo; Zheng, Jifu; Zhang, Suobo; Dou, Liyan

doi:10.1039/c4ra02286f

Cited by 14 publications

(9 citation statements)

References 24 publications

(17 reference statements)

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“…PEMs composed of aligned electrospun nanofibers can offer a uniaxial arrangement of the polymer chains in nanofibers, thereby providing better mechanical properties and promoting the formation of interconnected channels, resulting in enhanced proton conductivity [ 232 ]. In the field of PEMs, polymers such as sulfonated poly (ether ether ketone) [ 233 , 234 ], polyimide [ 235 ], and Nafion ® [ 236 , 237 ], among others, have been electrospun into fibers.…”

Section: Composite Membranesmentioning

confidence: 99%

Recent Progress in the Development of Composite Membranes Based on Polybenzimidazole for High Temperature Proton Exchange Membrane (PEM) Fuel Cell Applications

et al. 2020

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The rapid increasing of the population in combination with the emergence of new energy-consuming technologies has risen worldwide total energy consumption towards unprecedent values. Furthermore, fossil fuel reserves are running out very quickly and the polluting greenhouse gases emitted during their utilization need to be reduced. In this scenario, a few alternative energy sources have been proposed and, among these, proton exchange membrane (PEM) fuel cells are promising. Recently, polybenzimidazole-based polymers, featuring high chemical and thermal stability, in combination with fillers that can regulate the proton mobility, have attracted tremendous attention for their roles as PEMs in fuel cells. Recent advances in composite membranes based on polybenzimidazole (PBI) for high temperature PEM fuel cell applications are summarized and highlighted in this review. In addition, the challenges, future trends, and prospects of composite membranes based on PBI for solid electrolytes are also discussed.

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Section: Composite Membranesmentioning

confidence: 99%

Recent Progress in the Development of Composite Membranes Based on Polybenzimidazole for High Temperature Proton Exchange Membrane (PEM) Fuel Cell Applications

et al. 2020

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“…Furthermore, gravimetric water swelling was lower than expected, based on the volume fraction of ionomer. Similar approaches have been employed by others to prepare composite membranes comprising electrospun ionomers with the pores filled by inert or charged polymers [59,[110][111][112][113][114][115][116][117][118][119][120][121], and an summary overview is given in Table 3.…”

Section: Composite Membranes Comprising An Uncharged Polymer and An Ementioning

confidence: 99%

Electrospun nanofibre composite polymer electrolyte fuel cell and electrolysis membranes

et al. 2016

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International audienceLarge-scale commercialisation of Proton Exchange Membrane Fuel Cell (PEMFC) technology for automotive and stationary applications demands the development of a robust, durable and cost-effective materials. In this regard, ionomer membranes being present at the core of PEMFCs are required to maintain elevated proton conductivity, high mechanical strength and low gas permeability during the lifespan of the fuel cell. These challenges are addressed by investigating novel nano-structured membrane materials possessing long-range spatial organisation of ionic and hydrophobic domains at the micro-and nano-scales. Electrospinning, a versatile and easily up-scalable tool for the preparation of nanofibrous polymers and ceramics with targeted architectures, is being extensively applied for the development of nanostructured electrolyte membranes. This review describes the most important advances in the use of electrospun materials for the preparation of new generation fuel cell proton conducting membranes. It also highlights the challenges to be overcome and the new directions and future application fields of composite nanofibre-based membranes in the broader context of energy materials

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“…Careful optimization of the electrospinning parameters allows preparation of mats of varying thickness, fiber diameter, and basis weight, and thus opens access to robust membranes with percolating nanoporosity. Electrospinning process has been utilized for the preparation of the PEMs with well‐connected and aligned proton‐conducting channels, but the focus has been on complex macromolecular architectures obtained by multistep synthetic procedures . The electrospun (ES) mats of P(VDF‐ co ‐CTFE) (ES‐P(VDF‐ co ‐CTFE)) are then utilized in surface‐initiated (SI) ATRP of 4SSNa.…”

Section: Introductionmentioning

confidence: 99%

Surface‐Initiated Atom Transfer Radical Polymerization from Electrospun Mats: An Alternative to Nafion

Javakhishvili

Dimitrov

Tynelius

et al. 2016

Macro Materials & Eng

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Proton exchange membranes for fuel cell applications are synthesized by surface‐initiated (SI) atom transfer radical polymerization (ATRP). Poly(vinylidene fluoride‐co‐chlorotrifluoroethylene) is electrospun into 50 µm thick mat, which is then employed as multifunctional initiator for copper‐mediated SI ATRP of 4‐styrene sulfonic acid sodium salt. Fine‐tuning of the ATRP conditions allows adjustment of the membrane's ion exchange capacity by varying the loading of the grafted ionomer. Structure and composition of the membranes are investigated by spectroscopic means and thermogravimetric analysis, respectively. The membrane morphology is probed by scanning electron microscopy. A membrane with proton conductivity as high as 100 mS cm−1 is obtained. Long‐term durability study in direct methanol fuel cells is conducted for over 1500 h demonstrating the viability of this novel facile approach.

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Nanofiber mats electrospun from composite proton exchange membranes prepared from poly(aryl ether sulfone)s with pendant sulfonated aliphatic side chains

Abstract: The electrospun nanofiber mats revealed high porosity and an interconnected open pore structure. The nanofibers are clearly visible and uniform throughout the composite membrane, which was completely pore-filled.

Cited by 14 publications

References 24 publications

Recent Progress in the Development of Composite Membranes Based on Polybenzimidazole for High Temperature Proton Exchange Membrane (PEM) Fuel Cell Applications

Recent Progress in the Development of Composite Membranes Based on Polybenzimidazole for High Temperature Proton Exchange Membrane (PEM) Fuel Cell Applications

Electrospun nanofibre composite polymer electrolyte fuel cell and electrolysis membranes

Surface‐Initiated Atom Transfer Radical Polymerization from Electrospun Mats: An Alternative to Nafion

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