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Review
. 2022 Aug 29;14(17):3565.
doi: 10.3390/polym14173565.

A Brief Review of Poly(Vinyl Alcohol)-Based Anion Exchange Membranes for Alkaline Fuel Cells

Asep Muhamad Samsudin  1   2 , Merit Bodner  1 , Viktor Hacker  1
Affiliations
Review

A Brief Review of Poly(Vinyl Alcohol)-Based Anion Exchange Membranes for Alkaline Fuel Cells

Asep Muhamad Samsudin et al. Polymers (Basel). .

Abstract

Anion exchange membrane fuel cells have unique advantages and are thus gaining increasing attention. Poly(vinyl alcohol) (PVA) is one of the potential polymers for the development of anion exchange membranes. This review provides recent studies on PVA-based membranes as alternative anion exchange membranes for alkaline fuel cells. The development of anion exchange membranes in general, including the types, materials, and preparation of anion exchange membranes in the last years, are discussed. The performances and characteristics of recently reported PVA-based membranes are highlighted, including hydroxide conductivity, water uptake, swelling degree, tensile strength, and fuel permeabilities. Finally, some challenging issues and perspectives for the future study of anion exchange membranes are discussed.

Keywords: alkaline fuel cell; anion exchange membrane; fuel cell; fuel permeability; hydroxide conductivity; poly(vinyl alcohol); preparation.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
The number of research articles published about AEMFC. Source: https://www.webofscience.com/, accessed on 4 July 2022, keywords: “Anion Exchange Membrane” Fuel Cell (Topic) or “Alkaline Fuel Cell” (Topic) and “Fuel Cell” (Abstract).
Figure 2
Figure 2
Classification of Fuel Cells (range temperature data adapted from [39]).
Figure 3
Figure 3
Schematic diagram of AEMFC.
Figure 4
Figure 4
Schematic of Anion Exchange Membrane Structure.
Figure 5
Figure 5
Anion Exchange Membrane types.
Figure 6
Figure 6
Membrane casting method: (a) solution casting; (b) electrospinning.
Figure 7
Figure 7
Chemical structures of PVA [81].
Figure 8
Figure 8
Hydroxide conductivity of PVA-based AEMs [33,34,35,44,59,62,91,92,93,94,95,97,106,112,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158].
Figure 9
Figure 9
Water uptake and swelling degree of PVA-based AEMs [33,34,35,44,59,62,91,92,93,94,95,97,106,112,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158].
Figure 10
Figure 10
Tensile strength of PVA-based AEMs [34,62,92,93,94,97,106,112,117,123,124,125,126,127,131,135,136,137,140,141,142,143,147,148,149,150,152,154].
Figure 11
Figure 11
Alcohol Permeability of PVA-based AEMs [62,94,97,106,112,115,118,119,122,126,128,129,131,132,133,134,137,138,143,144,146,150,153,156].
See this image and copyright information in PMC

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