Polyaniline-based nanocomposites for direct methanol fuel cells (DMFCs) - A Recent Review

Madaswamy, Suba Lakshmi; Alothman, Asma A.; Al-Anazy, Murefah Mana; Ifseisi, Ahmad A.; Alqahtani, Khadraa N.; Natarajan, Sendhil Kumar; Angaiah, Subramania; Dhanusuraman, Ragupathy

doi:10.1016/j.jiec.2021.02.008

Cited by 56 publications

(21 citation statements)

References 95 publications

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“…Subsequently, other conductive polymers and their composites such as polyacetylene, polyaniline (PANI), and polythiophene have shown quite promising applications. [ 150 ] The high electrochemical and mechanical stability of conductive polymer carriers make them a good carrier material for DMFC anode catalysts. In addition, they can be purposefully modified by covalent binding of various molecules.…”

Section: Conventional Carriersmentioning

confidence: 99%

Review and Development of Anode Electrocatalyst Carriers for Direct Methanol Fuel Cell

Chen

Sun

et al. 2022

Energy Tech

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Direct methanol fuel cell (DMFC) can be used as a promising portable power device due to its excellent energy conversion efficiency and low pollutant emissions. The performance of DMFC largely depends on the anode electrocatalyst for methanol oxidation reaction (MOR). As an important part of the electrocatalyst, the carrier greatly affects the activity and stability of the electrocatalyst. Herein, the research progress of carbonaceous carriers (such as activated carbon, nanostructured carbon), noncarbonaceous carriers (metal compounds), and conducting polymers in DMFC is reviewed. Furthermore, an overview of the development of self‐supporting carriers for flexible DMFC electronics is presented. Its role as the most ideal DMFC carrier in the future provides new ideas for the challenges and development of the commercialization of flexible DMFC.

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Section: Conventional Carriersmentioning

confidence: 99%

Review and Development of Anode Electrocatalyst Carriers for Direct Methanol Fuel Cell

Chen

Sun

et al. 2022

Energy Tech

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“…Direct methanol fuel cells (DMFCs) based on a proton exchange membrane appear to be indispensable components of energy technologies in the future − due to their advantages of high efficiency, low pollution, and not being limited by the Carnot cycle. Meanwhile, methanol is characterized by a higher energy density (6.09 kW h kg –1 ), more abundant sources, as well as safer transportation and storage compared with hydrogen. It is also well compatible with the current energy supply system …”

Section: Introductionmentioning

confidence: 99%

Nest-Type ZNC⊂PtZn_δ/C as a Highly Efficient Catalyst for Methanol Electro-Oxidation

Liang

Zhao

et al. 2023

ACS Appl. Energy Mater.

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For promotion of direct methanol fuel cells (DMFCs), a nest-type electrocatalyst with a Zn-N x -C (abbreviated as ZNC) nest framework surrounding the catalytic Pt centers has been designed and revealed to be more practical than a common Pt/C catalyst with all active sites barrier-free exposed. The ZNC nest is constructed by the pyrolysis of ZIF-8, which tightly surrounds the Pt centers, using a preparation strategy of anchoring and self-assembly. After pyrolysis, a small amount of Zn enters the Pt lattice, besides the ZNC nest framework. The Pt centers are dual-modulated by the alloying-Zn and the electronic doping from the nest framework through the Mott−Schottky effect. Additionally, the ZNC nest not only increases the local concentration of methanol at the catalytic centers but also enhances the stability of the catalyst for the methanol oxidation reaction by inhibiting the agglomeration of Pt. As a result, the mass-specific activity and areaspecific activity of ZNC⊂PtZn δ /C achieved 1.54 A mg Pt −1 and 1.60 mA cm Pt −2, which are 4.1 and 2.6 times that of a commercial Pt/C, respectively. It also shows a much better CO* intermediate tolerance and cyclic stability compared with that of the commercial Pt/ C. We envision that the electrocatalyst with nest-type catalytic centers reflecting the properties of synergistic catalysis will give an impetus to the progress of DMFCs.

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“…A micro direct methanol fuel cell (

DMFC) is a miniature electrochemical energy conversion device. It has been considered as a potential alternative to lithium-ion batteries thanks to its high power density, accessible storage, simple structure, etc., which make it suitable for use in portable electronics and vehicle applications [ 1 , 2 , 3 , 4 , 5 ]. Its essential part, the membrane electrode assembly (MEA), consists of an anode electrode, a cathode electrode, and a membrane sandwiched between these parts [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Reduced Graphene Oxide/Carbon Paper for the Anode Diffusion Layer of a Micro Direct Methanol Fuel Cell

Zhang

Wang

et al. 2022

Nanomaterials

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The diffusion layer (DL) in the structure of the membrane electrode assembly (MEA) of a micro direct methanol fuel cell (μDMFC) plays an essential role in reactant/product mass transfer and catalyst loading. The material selection and structure design of the μDMFC affects its performance. In this work, a reduced graphene oxide/carbon paper (rGO/CP) was proposed and prepared for the anode DL of a μDMFC. It was prepared using electrophoretic sedimentation combined with an in situ reduction method. The rGO/CP reduced the cell’s ohmic and charge transfer resistances. Meanwhile, it provided more significant mass transfer resistance to reduce the methanol crossover, allowing the cell to operate stably at higher concentrations for a longer duration than conventional μDMFCs. The experimental results showed that the maximum power density increased by 53% compared with the traditional anode DL of carbon paper.

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Polyaniline-based nanocomposites for direct methanol fuel cells (DMFCs) - A Recent Review

Cited by 56 publications

References 95 publications

Review and Development of Anode Electrocatalyst Carriers for Direct Methanol Fuel Cell

Review and Development of Anode Electrocatalyst Carriers for Direct Methanol Fuel Cell

Nest-Type ZNC⊂PtZn_δ/C as a Highly Efficient Catalyst for Methanol Electro-Oxidation

Reduced Graphene Oxide/Carbon Paper for the Anode Diffusion Layer of a Micro Direct Methanol Fuel Cell

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Polyaniline-based nanocomposites for direct methanol fuel cells (DMFCs) - A Recent Review

Cited by 56 publications

References 95 publications

Review and Development of Anode Electrocatalyst Carriers for Direct Methanol Fuel Cell

Review and Development of Anode Electrocatalyst Carriers for Direct Methanol Fuel Cell

Nest-Type ZNC⊂PtZnδ/C as a Highly Efficient Catalyst for Methanol Electro-Oxidation

Reduced Graphene Oxide/Carbon Paper for the Anode Diffusion Layer of a Micro Direct Methanol Fuel Cell

Contact Info

Product

Resources

About

Nest-Type ZNC⊂PtZn_δ/C as a Highly Efficient Catalyst for Methanol Electro-Oxidation