Fabrication and Characterization of Cross-Linked Phenyl-Acrylate-Based Ion Exchange Membranes and Performance in a Direct Urea Fuel Cell

Kim, Jung Min; Wang, Yuyang; Lin, Yi-hung; Yoon, Jaesik; Huang, Tina Cu; Kim, Dong-Joo; Auad, María L.; Beckingham, Bryan S.

doi:10.1021/acs.iecr.1c02798

Cited by 10 publications

(25 citation statements)

References 63 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…To address this, they further developed the cross-linked IEMs with considerable mechanical properties utilizing a cross-linker (methylenebis(acrylamide)), hydrophobic monomer (phenyl acrylate (PA) or phenyl methacrylate (PMA)), and charged monomer (2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS) for CEM or methacroylcholine chloride (MACC) for AEM). [104] By employing PA/MACC AEM in a DUFC, the achieved OCV and power densities were evaluated as 0.89 V and 2.19 mW/cm 2 at PA/M-30-OH membrane, slightly higher than that of the commercial Fumasep FAA-3-50 membrane. This excellent performance could be ascribed to the restricting urea migration and OH À transfer in alkaline medium, greatly elevating electrochemical reaction efficiency.…”

Section: Direct Urea Fuel Cellmentioning

confidence: 97%

“…But they found that the mechanical stability of membrane would be probably weakened after modification, much reducing the applicability. To address this, they further developed the cross‐linked IEMs with considerable mechanical properties utilizing a cross‐linker (methylenebis(acrylamide)), hydrophobic monomer (phenyl acrylate (PA) or phenyl methacrylate (PMA)), and charged monomer (2‐acrylamido‐2‐methyl‐1‐propanesulfonic acid (AMPS) for CEM or methacroylcholine chloride (MACC) for AEM) [104] . By employing PA/MACC AEM in a DUFC, the achieved OCV and power densities were evaluated as 0.89 V and 2.19 mW/cm 2 at PA/M‐30‐OH membrane, slightly higher than that of the commercial Fumasep FAA‐3‐50 membrane.…”

Section: Energy‐related Uor Applications and Devicesmentioning

confidence: 99%

See 1 more Smart Citation

Electrochemical Urea Oxidation in Different Environment: From Mechanism to Devices

Wang

Duan

et al. 2022

ChemCatChem

View full text Add to dashboard Cite

Urea has been regarded as an important chemical compound in the food‐water‐energy nexus. However, the emission of urea from human activity, industrial manufacture, and agricultural fertilization into the environment has caused an ecological nitrogen imbalance. Besides addressing the environmental pollution, the applications of clean energy conversion from urea‐rich wastewater has strong potential for resource and energy recovery. Herein, we conducted a comprehensive overview of electrochemical urea oxidation reaction (UOR) for pollution control and energy harvesting. The present mechanisms and behaviors of UOR under different water matrices have been characterized and compared in detail. Additionally, the latest development of electrochemical UOR integrated into electrolyzers and fuel cells are presented. Finally, we discuss the prospects and challenges of UOR technologies, suggesting several directions for the electrochemical conversion of urea‐abundant wastewater in the near future.

show abstract

Section: Direct Urea Fuel Cellmentioning

confidence: 97%

Section: Energy‐related Uor Applications and Devicesmentioning

confidence: 99%

Electrochemical Urea Oxidation in Different Environment: From Mechanism to Devices

Wang

Duan

et al. 2022

ChemCatChem

View full text Add to dashboard Cite

show abstract

“…The mechanical characteristics of the hydrated polymer films were assessed using a commercial tensile test apparatus (DMA, TA Instruments RSA III) in the air at room temperature (~25 °C). The hydrated films (thickness of 0.2 mm) were pre-cut into rectangles measuring 10 mm by 40 mm, and each composition was characterized in at least triplicate with a 0.05 mm/s deformation rate [ 21 ].…”

Section: Methodsmentioning

confidence: 99%

“…Herein, we combine phenyl acrylate (PA), a monomer previously found to improve mechanical properties [ 21 , 22 ], and the commercially available zwitterionic monomer sulfobetaine methacrylate (SBMA) within crosslinked polymer films using N,N′-methylenebisacrylamide (MBAA) as the crosslinker. The physiochemical properties of a series of fabricated polymer membranes at varied PA/SBMA content—including water content, dry polymer density, and transport behavior including permeability and solubility—are characterized and discussed.…”

Section: Introductionmentioning

confidence: 99%

Salt Transport in Crosslinked Hydrogel Membranes Containing Zwitterionic Sulfobetaine Methacrylate and Hydrophobic Phenyl Acrylate

2023

Self Cite

View full text Add to dashboard Cite

Produced water is a by-product of industrial operations, such as hydraulic fracturing for increased oil recovery, that causes environmental issues since it includes different metal ions (e.g., Li+, K+, Ni2+, Mg2+, etc.) that need to be extracted or collected before disposal. To remove these substances using either selective transport behavior or absorption-swing processes employing membrane-bound ligands, membrane separation procedures are promising unit operations. This study investigates the transport of a series of salts in crosslinked polymer membranes synthesized using a hydrophobic monomer (phenyl acrylate, PA), a zwitterionic hydrophilic monomer (sulfobetaine methacrylate, SBMA), and a crosslinker (methylenebisacrylamide, MBAA). Membranes are characterized according to their thermomechanical properties, where an increased SBMA content leads to decreased water uptake due to structural differences within the films and to more ionic interactions between the ammonium and sulfonate moieties, resulting in a decreased water volume fraction, and Young’s modulus increases with increasing MBAA or PA content. Permeabilities, solubilities, and diffusivities of membranes to LiCl, NaCl, KCl, CaCl2, MgCl2, and NiCl2 are determined by diffusion cell experiments, sorption-desorption experiments, and the solution-diffusion relationship, respectively. Permeability to these metal ions generally decreases with an increasing SBMA content or MBAA content due to the corresponding decreasing water volume fraction, and the permeabilities are in the order of K+ > Na+ > Li+ > Ni2+ > Ca2+ > Mg2+ presumably due to the differences in the hydration diameter.

show abstract

“…Anion exchange membranes (AEMs) play a significant role in the energy conversion applications, such as fuel cells and water electrolysis for hydrogen production. , In the AEM-based electrochemical devices, nonplatinum group metal (PGM) catalysts could be used to reduce the cost of fuel cells and water electrolysis devices. , However, because of inferior mobility of hydroxide ions, AEMs have lower ionic conductivity than proton exchange membranes (PEMs) . Furthermore, under alkaline conditions, both polymer backbones and cationic groups of AEMs are prone to be attacked by nucleophilic hydroxide ions .…”

Section: Introductionmentioning

confidence: 99%

Anion Exchange Membranes Based on Poly(aryl piperidinium) Containing Both Hydrophilic and Hydrophobic Side Chains

Wang

Min

et al. 2022

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

Recently, ether-free poly(aryl piperidinium) polymers have been considered as promising materials for developing anion exchange membranes (AEMs), because of their excellent alkaline stability and facile synthesis methods. However, its main chain structure hinders the formation of wide ion-transport networks, limiting the further improvement of its performance. Herein, we introduce both hydrophilic and hydrophobic side chains into the poly(aryl piperidinium) backbone to promote the aggregation of ionic clusters and the formation of microphaseseparated structures. The AEMs are designed by introducing 1-(6bromohexyl)-N-methyl piperidinium bromide (hydrophilic) and 1bromohexane (hydrophobic) into the poly(m-terphenyl piperidinium) backbone. After grafting hydrophilic and hydrophobic side chains, the resulted membrane (m-PTP−32P8C) exhibits outstanding conductivity (112 mS cm −1 at 80 °C) and dimensional stability. Meanwhile, under the alkaline condition of 1 mol L −1 NaOH at 80 °C, the conductivity is still maintained above 80% after 1200 h of immersion. When used in the water electrolysis cell with a nonplatinum group metal anode, the m-PTP−32P8C membrane presents a high current density of 0.752 A cm −2 at 2.2 V with the electrolyte of 1 mol L −1 KOH at 60 °C. Compared with those grafted with only hydrophilic or hydrophobic side chains, m-PTP−32P8C exhibits better physicochemical properties and conductivity.

show abstract

Fabrication and Characterization of Cross-Linked Phenyl-Acrylate-Based Ion Exchange Membranes and Performance in a Direct Urea Fuel Cell

Cited by 10 publications

References 63 publications

Electrochemical Urea Oxidation in Different Environment: From Mechanism to Devices

Electrochemical Urea Oxidation in Different Environment: From Mechanism to Devices

Salt Transport in Crosslinked Hydrogel Membranes Containing Zwitterionic Sulfobetaine Methacrylate and Hydrophobic Phenyl Acrylate

Anion Exchange Membranes Based on Poly(aryl piperidinium) Containing Both Hydrophilic and Hydrophobic Side Chains

Contact Info

Product

Resources

About