Review: chitosan-based biopolymers for anion-exchange membrane fuel cell application

Bauyrzhan Myrzakhmetov, Aktilek Akhmetova, Aiman Bissenbay, Mirat Karibayev, Xuemiao Pan, Yanwei Wang, Zhumabay Bakenov, Almagul Mentbayeva

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)

Abstract

Chitosan (CS)-based anion exchange membranes (AEMs) have gained significant attention in fuel cell applications owing to their numerous benefits, such as environmental friendliness, flexibility for structural alteration, and improved mechanical, thermal and chemical durability. This study aims to enhance the cell performance of CS-based AEMs by addressing key factors including mechanical stability, ionic conductivity, water absorption and expansion rate. While previous reviews have predominantly focused on CS as a proton-conducting membrane, the present mini-review highlights the advancements of CS-based AEMs. Furthermore, the study investigates the stability of cationic head groups grafted to CS through simulations. Understanding the chemical properties of CS, including the behaviour of grafted head groups, provides valuable insights into the membrane's overall stability and performance. Additionally, the study mentions the potential of modern cellulose membranes for alkaline environments as promising biopolymers. While the primary focus is on CS-based AEMs, the inclusion of cellulose membranes underscores the broader exploration of biopolymer materials for fuel cell applications.

Original languageEnglish
Pages (from-to)230843
JournalRoyal Society Open Science
Volume10
Issue number11
DOIs
Publication statusPublished - Nov 2023

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