Novel Filler-Filled-Type Polymer Electrolyte Membrane for PEFC Employing Poly(vinylphosphonic acid)-<i>b</i>-polystyrene-Coated Cellulose Nanocrystals as a Filler

Arita, Toshihiko; Tabata, Keisuke; Saito, Takaaki; Shimada, Ryuichiro; Nakazaki, Haruki; Suzuki, Yukina; Sato, Ryota; Masuhara, Akito

doi:10.1021/acsami.1c18695

Cited by 14 publications

(19 citation statements)

References 39 publications

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“…It was confirmed that direct current (DC) power was generated at room temperature under atmospheric conditions, indicating that the PEM was of a level that could be put to practical use. In contrast to existing PEM, such as Nafion, − which as a result of having superstrong acidity (p K a ∼ −6) by perfluorinated sulfonyl acid needs to use platinum for the catalyst and treat the acid durability around the system, the fabricated membranes have low acidity (p K a ∼ 2.5) and, thus, have the potential to generate electricity using catalysts other than platinum . However, their proton conductivity was still about 1 order of magnitude lower than that of Nafion.…”

Section: Introductionmentioning

confidence: 94%

“…The functionalized filler (CNC@PVPA-b-PS) was synthesized using the same fabrication methods used in previous experiments. 22 Obtained CNC@PVPA-b-PS (0.50 g) was dispersed in haloalkane, a highly polar solvent [10:1 mixture of dichloromethane (FUJIFILM Wako Pure Chemical Corporation)/1,2-dichloroethane (FUJIFILM Wako Pure Chemical Corporation)], used to dissolve the binder resins. Simultaneously, each binder resin was dissolved in the same mixture to make the resin solution.…”

Section: ■ Experimental Sectionmentioning

confidence: 99%

“…In contrast to existing PEM, such as Nafion, 28−30 which as a result of having superstrong acidity (pK a ∼ −6) by perfluorinated sulfonyl acid needs to use platinum for the catalyst and treat the acid durability around the system, the fabricated membranes have low acidity (pK a ∼ 2.5) and, thus, have the potential to generate electricity using catalysts other than platinum. 22 However, their proton conductivity was still about 1 order of magnitude lower than that of Nafion. To further improve proton conductivity, we focused on the water uptake ratios of the matrix resins.…”

Section: ■ Introductionmentioning

confidence: 98%

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Relationship between the Proton Conductive Performance and Water Uptake Ratio on a Filler-Filled Polymer Electrolyte Membrane

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Polymer electrolyte fuel cells are attracting attention as clean, highly efficient power generation devices that can solve problems such as energy resource depletion, global warming, and environmental pollution. In this research, we have fabricated proton conductive filler-filled membranes, employing polymer-coated cellulose nanocrystals and different binder resins. Moreover, we have demonstrated the relationship between proton conductivity and water uptake of binder resins. It was clarified that the fabricated membrane with a high water uptake ratio showed excellent proton conduction performance under high humidity at low temperatures with a low activation energy for proton conduction. The substantiation of the compatibility relationship between water absorption and efficacy of proton conduction can contribute to the design and fabrication of a new binder resin synthesis model and contributes to the knowledge of the polymer skeleton structure for the improvement of the proton conductive performance of polymer electrolyte membranes.

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Section: Introductionmentioning

confidence: 94%

Section: ■ Experimental Sectionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 98%

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Relationship between the Proton Conductive Performance and Water Uptake Ratio on a Filler-Filled Polymer Electrolyte Membrane

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“…On the other hand, we also tried to fabricate silica@PVPA/PC membranes, however, the affinity between silica@PVPA and PC was too low to produce a freestanding membrane. 28…”

Section: Fabrication Of Silica@pvpa-b-ps/pc Membranementioning

confidence: 99%

Proton conductivity dependence on the surface polymer thickness of core–shell type nanoparticles in a proton exchange membrane

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“…The PAFC is one of the most popular commercialized FC technologies among the several types of FCs [14,[38][39][40]. Because of their mild working temperature, PAFCs have a long lifespan and a simple build.…”

Section: Types Of Fcsmentioning

confidence: 99%

A Critical Review on Artificial Intelligence for Fuel Cell Diagnosis

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In recent years, fuel cell (FC) technology has seen a promising increase in its proportion in stationary power production. Several pilot projects are in operation across the world, with the number of running hours steadily rising, either as stand-alone units or as part of integrated gas turbine–electric energy plants. FCs are a potential energy source with great efficiency and zero emissions. To ensure the best performance, they normally function within a confined temperature and humidity range; nevertheless, this makes the system difficult to regulate, resulting in defects and hastened deterioration. For diagnosis, there are two primary approaches: restricted input information, which gives an unobtrusive, rapid yet restricted examination, and advanced characterization, which provides a more accurate diagnosis but frequently necessitates invasive or delayed tests. Artificial Intelligence (AI) algorithms have shown considerable promise in providing accurate diagnoses with quick data collecting. This work focuses on software models that allow the user to evaluate many different possibilities in the shortest amount of time and is a vital method for proper and dynamic analysis of such entities. The artificial neural network, genetic algorithm, particle swarm optimization, random forest, support vector machine, and extreme learning machine are common AI approaches discussed in this review. This article examines the modern practice and provides recommendations for future machine learning methodologies in fuel cell diagnostic applications. In this study, these six AI tools are specifically explained with results for a better understanding of the fuel cell diagnosis. The conclusion suggests that these approaches are not only a popular and beneficial tool for simulating the nature of an FC system, but they are also appropriate for optimizing the operational parameters necessary for an ideal FC device. Finally, observations and ideas for future research, enhancements, and investigations are offered.

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Novel Filler-Filled-Type Polymer Electrolyte Membrane for PEFC Employing Poly(vinylphosphonic acid)-b-polystyrene-Coated Cellulose Nanocrystals as a Filler

Cited by 14 publications

References 39 publications

Relationship between the Proton Conductive Performance and Water Uptake Ratio on a Filler-Filled Polymer Electrolyte Membrane

Relationship between the Proton Conductive Performance and Water Uptake Ratio on a Filler-Filled Polymer Electrolyte Membrane

Proton conductivity dependence on the surface polymer thickness of core–shell type nanoparticles in a proton exchange membrane

A Critical Review on Artificial Intelligence for Fuel Cell Diagnosis

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