期刊
MOLECULES
卷 27, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/molecules27030761
关键词
carbon-based nanomaterials; oxygen reduction reaction; specific activity; durability; energy conversion; polarization curves
资金
- Ministry of Science and Technology [MOST 107-2113M-027-005-MY3]
- Taiwan (ROC)
- Science and Engineering Research Board (SERB), Government of India, New Delhi [EEQ/2016/000427]
Carbon-based nanocomposites have become the most promising materials in nanoscience and technology. They possess unique physical and chemical characteristics and are widely used in catalysts, sensors, and energy storage devices. This study focuses on the application of various carbon nanomaterials in the development of hydrogen fuel cells and discusses the principles, reaction mechanisms, and challenges of fuel cell technology.
Carbon-based nanocomposites have developed as the most promising and emerging materials in nanoscience and technology during the last several years. They are microscopic materials that range in size from 1 to 100 nanometers. They may be distinguished from bulk materials by their size, shape, increased surface-to-volume ratio, and unique physical and chemical characteristics. Carbon nanocomposite matrixes are often created by combining more than two distinct solid phase types. The nanocomposites that were constructed exhibit unique properties, such as significantly enhanced toughness, mechanical strength, and thermal/electrochemical conductivity. As a result of these advantages, nanocomposites have been used in a variety of applications, including catalysts, electrochemical sensors, biosensors, and energy storage devices, among others. This study focuses on the usage of several forms of carbon nanomaterials, such as carbon aerogels, carbon nanofibers, graphene, carbon nanotubes, and fullerenes, in the development of hydrogen fuel cells. These fuel cells have been successfully employed in numerous commercial sectors in recent years, notably in the car industry, due to their cost-effectiveness, eco-friendliness, and long-cyclic durability. Further; we discuss the principles, reaction mechanisms, and cyclic stability of the fuel cells and also new strategies and future challenges related to the development of viable fuel cells.
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