4.7 Review

Ionic liquid-modified materials as polymer electrolyte membrane and electrocatalyst in fuel cell application: An update

Journal

INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Volume 46, Issue 3, Pages 2166-2211

Publisher

WILEY
DOI: 10.1002/er.7362

Keywords

AEMFC; DMFC; electrocatalyst; ionic liquid; MCFC; MFC; PEMFC; polymer electrolyte membrane

Funding

  1. Universiti Kebangsaan Malaysia [DIP-2020-015]

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Ionic liquids show promise as solvents for various applications due to their high conductivity and stability, with this review focusing on incorporating ILs into fuel cell systems. Improving polymer electrolyte membranes and electrocatalysts with IL additives is crucial for enhancing fuel cell performance.
Ionic liquids (ILs) are promising solvents for catalytic and electrolyte applications, gas absorption, and extractions in electrochemical systems due to their useful features, such as high conductivity and good thermal, chemical, and electrical stability. This review focuses on incorporating ILs into fuel cell (FC) systems, specifically into two main components of FC (ie, polymer electrolyte membrane and electrocatalyst). In FC, a polymer electrolyte membrane with excellent conductivity and deprived of humidity even at high temperatures must be created for effective early commercialization of this technology. Electrocatalyst performance can also be enhanced with additive materials, such as ILs, thus further improving the entire achievement of FCs. This work discusses the most important reasons for ongoing studies and outlines the current progress in using ILs as a revolutionary form of polymer electrolyte membrane and electrocatalyst.

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