Nanotechnologies for Fuel Cells

Chapter
Part of the Nanostructure Science and Technology book series (NST)

Abstract

Fuel cells, which convert chemical energy directly into electrical energy with high efficiency and low emission, are currently attracting interest because of their huge potential for power generation in stationary and portable devices, transport applications, and sustainable energy production. Direct methanol fuel cells (DMFCs) are especially attractive as portable power sources because of characteristics such as simple construction, easy operation, liquid fuel, and high efficiency [1, 2].

DMFCs use methanol as fuel and generate electricity through the electrochemical reaction of methanol in the presence of catalyst. They are similar to polymer electrolyte membrane fuel cells (PEMFCs) as both types of cells use a polymer membrane as the electrolyte. The structure of DMFCs is simple because the system does not require fuel reforming steps to take protons out of alcohol or fossil fuel, which are required for hydrogen–oxygen fuel cells [3]. In addition, methanol, commonly used alcohol, has the advantage of high energy density, offering the consumer the potential for longer operating time and system with increased functionality.

Keywords

Peroxide Dioxide Fluoride H2SO4 Reformer 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Jong-Eun Park
    • 1
    • 2
  • Takahiro Shimizu
    • 1
    • 3
  • Tetsuya Osaka
    • 1
  1. 1.Faculty of Science and EngineeringWaseda UniversityShinjuku-kuJapan
  2. 2.Samsung Electro-Mechanics Co., Ltd.KyotoJapan
  3. 3.Fuel Cell Nanomaterials CenterUniversity of YamanashiYamanashiJapan

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