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A Review of the Application of CNTs in PEM Fuel Cells

机译：碳纳米管在PEM燃料电池中的应用综述

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摘要

Fuel cells are an important source of renewable energy technology and currently the subject of much research. Hydrogen gas, which is the main fuel source in fuel cells, is relatively easily available, and the exhaust does not consist of greenhouse gases, unlike fossil fuel-based power sources. Some of the challenges persisting in fuel cell technology are the cost of the fuel cell due to factors such as platinum catalyst loading and water management. This study reviews the use of carbon nanotubes (CNTs) in fuel cell applications. CNTs have a large number of superior properties, including electrical conductivity, thermal conductivity, mechanical strength, and ability to support catalysts by providing an increased surface area. Carbon nanotubes offer great promise for overcoming the problems of existing fuel cells. However, they still pose challenges of functionalization on components of the polymer electrolyte membrane fuel cell (PEMFC), namely the membrane electrode assembly (MEA), the gas diffusion layer (GDL), and the bipolar plates. This paper discusses various experimental techniques that have achieved success in this functionalization process. Application of CNTs in fuel cells is expected to improve fuel cell performance and efficiency and bring down the cost by reducing platinum (Pt) catalyst loading
机译：燃料电池是可再生能源技术的重要来源，目前是许多研究的主题。氢是燃料电池中的主要燃料来源，相对容易获得，并且废气不同于化石燃料基的动力源，它不包含温室气体。燃料电池技术中持续存在的一些挑战是由于诸如铂催化剂负载和水管理之类的因素造成的燃料电池成本。这项研究回顾了碳纳米管（CNTs）在燃料电池应用中的用途。 CNT具有许多优越的性能，包括电导率，导热率，机械强度，以及通过增加表面积来负载催化剂的能力。碳纳米管有望克服现有燃料电池的问题。然而，它们仍然对聚合物电解质膜燃料电池（PEMFC）的组件，即膜电极组件（MEA），气体扩散层（GDL）和双极板的功能化提出挑战。本文讨论了在此功能化过程中取得成功的各种实验技术。碳纳米管在燃料电池中的应用有望通过降低铂（Pt）催化剂的负载量来改善燃料电池的性能和效率，并降低成本。

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