Thermoset‐Based Composite Bipolar Plates in Proton Exchange Membrane Fuel Cell

Al-Mufti, Salah M. S.; Rizvi, S. J. A.

doi:10.1002/9781119829553.ch7

Cited by 6 publications

(4 citation statements)

References 220 publications

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“…This modification not only increases water absorption but also improves ion conductivity, particularly for protons. Sulfonation induces the formation of ionic domains within the polymer, attracting and holding water molecules, contributing to higher water uptake. − …”

Section: Resultsmentioning

confidence: 99%

Advancing High-Temperature PEMFCs: Synthesis and Characterization of Poly(2,5-benzimidazole) Nanoclay/SPVC Composite Membranes

Altaf,

Ahmed,

Khan

et al. 2024

Energy Fuels

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High-temperature proton-exchange membrane fuel cells (HT-PEMFCs) have indeed emerged as highly efficient devices for energy conversion with numerous applications, ranging from portable electronics to transportation. The development of advanced electrolyte materials is imperative to enhance the PEMFCs' stability and performance. Herein, we use sulfonated polyvinyl chloride (SPVC) and 2,5-benzimidazole-modified montmorillonite (AB-MMT) to create a series of novel composite electrolytes for PEMFC via a solution-casting method. PVC, well known for its excellent film-forming properties, is combined with modified MMT, a natural inorganic clay with a high surface area and ion-exchange capability (IEC). The composite polymer electrolyte membranes (PEMs) are further doped with phosphoric acid (PA) at varying concentrations. The structural, morphological, and electrochemical properties of prepared PEMs are systematically analyzed using FTIR, XRD, SEM, and impedance spectroscopies. The effect of PA on PEMs in terms of water uptake, mechanical and chemical stability, and ionic conductivity is also analyzed. The synergy between SPVC and AB-MMT creates a favorable microenvironment for ion transport within the membrane, contributing to enhanced PEMFC performance. The experimental results demonstrate that 10SBZMP exhibits a substantial increase in ionic conductivity, i.e., 0.069 at 150 °C and RH 98% with a power density of 0.252 W/cm 2 . The development of advanced materials like these paves the way for more efficient and reliable fuel-cell technologies, contributing to the sustainable energy landscape of the future.

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Section: Resultsmentioning

confidence: 99%

Advancing High-Temperature PEMFCs: Synthesis and Characterization of Poly(2,5-benzimidazole) Nanoclay/SPVC Composite Membranes

Altaf,

Ahmed,

Khan

et al. 2024

Energy Fuels

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“…2 Bipolar plate performance needs and research directions at a glance. 36,37,[47][48][49][50][51][55][56][57][58][59][60][61][62][63][64][65][66][67] composite bipolar plates due to their small particle size, which gives them a high surface energy. In addition, because most of the carbon-based nanollers have poor compatibility with resins, [86][87][88] excessive addition of nanollers can not be wetted by resin.…”

Section: Application Of Nanofillers In Composite Bipolar Platesmentioning

confidence: 99%

“…As a kind of new type of bipolar plate with increased research heat in recent years, it combines the advantages of metal bipolar plate and graphite bipolar plate: easy to be processed, 54 good corrosion resistance, and low cost, 36,55,56 but due to the problems of poor compatibility between the resin and the graphite, the electrical conductivity and the mechanical properties are difficult to be balanced, and the porosity is large. In order to solve the problem of poor performance of composite bipolar plates, 57,58 the current primary use by adding conductive llers, such as carbon nanotubes (CNTs), 59,60 graphene, 60 carbon bers, [61][62][63] carbon black, [64][65][66][67] etc. Among these conductive llers, nanollers have become the main second conductive ller due to their excellent performance and signicant effect, oen used together with graphite to enhance the performance of composite bipolar plates.…”

Section: Introductionmentioning

confidence: 99%

Current status of research on composite bipolar plates for proton exchange membrane fuel cells (PEMFCs): nanofillers and structure optimization

Wenkai,

Zhiyong,

Haodong

2024

RSC Adv.

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“…A graphite bipolar plate is currently the most mature type of bipolar plate. It has the advantages of high electrical conductivity and corrosion resistance, but it also has problems such as difficult processing and poor mechanical properties [ 13 , 14 , 15 , 16 ]. Metal bipolar plates have excellent mechanical properties, processing properties, and electrical conductivity [ 17 , 18 , 19 , 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

Structure and Properties of Carboxylated Carbon Nanotubes@Expanded Graphite/Polyethersulfone Composite Bipolar Plates for PEM

Zhao

Pan

et al. 2023

Nanomaterials

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Composite bipolar plates (BPs) hinder their application in proton exchange membrane fuel cells (PEMFC) because of their poor conductivity and mechanical properties. Nanofillers can effectively solve this problem but often have a limited effect due to their easy agglomeration. In this work, a continuous mesh carboxylated multi-walled carbon nanotube (MWCNT) coating on the surface of graphite was synthesized by chemical vapor deposition (CVD) and carboxylation modification, and the composite BPs were prepared by molding using prepared reticulated carboxylated MWCNTs, expanded graphite, and resin. By optimizing the carboxylation treatment time and the content of the nano-filler, the composite BPs had the best performance at a 15 min carboxylation treatment time and 2.4% filler content. The planar conductivity reached up to 243.52 S/cm, while the flexural strength increased to 61.9 MPa. The thermal conductivity and hydrophobicity were improved compared with the conventional graphite/resin composite BPs, and good corrosion resistance has been demonstrated under the PEMFC operating environment. This work provides a novel nanofiller modification paradigm for PBs.

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Thermoset‐Based Composite Bipolar Plates in Proton Exchange Membrane Fuel Cell

Cited by 6 publications

References 220 publications

Advancing High-Temperature PEMFCs: Synthesis and Characterization of Poly(2,5-benzimidazole) Nanoclay/SPVC Composite Membranes

Advancing High-Temperature PEMFCs: Synthesis and Characterization of Poly(2,5-benzimidazole) Nanoclay/SPVC Composite Membranes

Current status of research on composite bipolar plates for proton exchange membrane fuel cells (PEMFCs): nanofillers and structure optimization

Structure and Properties of Carboxylated Carbon Nanotubes@Expanded Graphite/Polyethersulfone Composite Bipolar Plates for PEM

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