期刊
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
卷 45, 期 11, 页码 15760-15782出版社
WILEY-HINDAWI
DOI: 10.1002/er.6899
关键词
catalyst support; fuel cell; MXene; oxygen reduction reaction
资金
- Ministry of Higher Education Malaysia [FRGS/1/2019/STG01/UKM/02/2]
- Universiti Kebangsaan Malaysia [PP-SELFUEL-2020]
The oxygen reduction reaction (ORR) in proton exchange membrane fuel cells is a major issue due to sluggish kinetics, and exploring 2D MXene materials as catalyst supports presents great potential. MXenes exhibit excellent electronic properties, electrical conductivity, hydrophilicity, and chemical and thermal stability, making them promising catalyst supports.
The oxygen reduction reaction (ORR) that occurs in the cathode of fuel cells is a major issue in proton exchange membrane fuel cells (PEMFCs) due to their sluggish kinetics. Exploring suitable materials for use as cathode catalysts can be challenging because the materials should be chemically active yet must be stable in an extremely corrosive environment in fuel cells. Since the successful introduction of graphene, 2-dimensional (2D) materials have received extensive research interest regarding their use as support materials for cathode catalysts due to their large surface area for catalyst dispersion. Recently, research on 2D MXene-based catalyst supports has started to increase. Excellent electronic properties, electrical conductivity, hydrophilicity and chemical and thermal stability are the key properties of potential MXenes used as catalyst supports. Therefore, in this review, the properties and performance of 2D MXene-based catalyst supports in the ORR are comprehensively discussed. This finding provides the groundwork for the exploration of MXenes in electrocatalysis, especially in the ORR. Challenges and future research directions are also discussed in this review.
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