Journal
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY
Volume -, Issue -, Pages -Publisher
KOREAN SOC PRECISION ENG
DOI: 10.1007/s40684-023-00550-3
Keywords
Fuel cells; Carbon nanotubes; Synthesis; Oxygen reduction reaction; Nanocomposite
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This article summarizes the application strategies of carbon nanotubes (CNTs) in key components of fuel cells, including catalysts, polymer electrolyte membranes (PEMs), gas diffusion layers (GDLs), and bipolar plates (BPs). It also provides a summary of methods for the synthesis and mass production of CNTs, such as arc discharge, chemical vapor deposition (CVD), and laser ablation. The challenges and remarkable contributions of CNTs in fuel cells are discussed. The application of CNTs in fuel cells still holds great potential for outstanding improvements in electrochemical performance and durability.
Fuel cells are promising electrochemical energy conversion devices with eco-friendliness and sustainability, while challenges have remained depending on their components. Meanwhile, researchers have paid significant attention to carbon nanotubes (CNTs) due to their excellent mechanical, thermal, electrical, morphological, and chemical properties. To meet this demand, suitable synthesis methods for CNTs have been naturally developed for large-scale production and proper application for devices. Also, numerous research efforts have been made to apply CNTs to ultimately improve fuel cell performance and durability. This review summarizes the brilliant strategies of CNTs that have been applied to pivotal components in fuel cells, such as catalysts, polymer electrolyte membranes (PEMs), gas diffusion layers (GDLs), and bipolar plates (BPs). Plus, this review provides a summary of methods that have been introduced for the synthesis and mass production of CNTs, like arc discharge, chemical vapor deposition (CVD), and laser ablation. Based on these proposed approaches in the literature, laid issues that need to be overcome for each component and what remarkable contribution occurred due to the application of CNTs in fuel cells are examined and discussed. In consequence, the application of CNTs in fuel cells still holds great potential for outstanding improvements in electrochemical performance and durability.
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