Fabrication of Carbon Nanowalls on Carbon Fiber Paper for Fuel Cell Application

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概要

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• Carbon nanowalls (CNWs) can be described as self-assembled, vertically standing, few-layered graphene sheet nanostructures. In order to demonstrate the usefulness of CNWs in fuel cell application, CNWs were directly grown on carbon fiber paper (CFP) using the inductively coupled plasma-enhanced chemical vapor deposition (ICP-CVD) method. Subsequently, highly dispersed platinum (Pt) nanoparticles were formed on the surface of CNWs using metal--organic chemical fluid deposition (MOCFD) employing a supercritical fluid (SCF). Moreover, a single proton exchange membrane (PEM) fuel cell unit using a Pt-supported CNW/CFP electrode was constructed, and its voltage--current characteristics were measured. This configuration ensures that all the supported Pt nanoparticles are in electrical contact with the external electrical circuit. Such a design would improve Pt utilization and potentially decrease Pt usage. Pt-supported CNWs grown on CFP will be well suited to the application in electrodes of fuel cells.

• 2013-01-25

著者

• Hiramatsu Mineo

  Department Of Electrical And Electronic Engineering Meijo University

• Kondo Hiroki

  Deparment Of Physics Saga University

• Hori Masaru

  Department Of Electrical Engineering And Computer Science Graduate School Of Engineering Nagoya Univ

• Kano Hiroyuki

  NU Eco Engineering Co., Ltd., Miyoshi, Aichi 470-0201, Japan

• Mitsuguchi Shinji

  Department of Electrical and Electronic Engineering, Meijo University, Nagoya 468-8502, Japan

• Horibe Takeyoshi

  Department of Electrical Engineering and Computer Science, Nagoya University, Nagoya 464-8603, Japan

• Hiramatsu Mineo

  Department of Electrical and Electronic Engineering, Meijo University, Nagoya 468-8502, Japan

• HORIBE Takeyoshi

  Department of Electrical Engineering and Computer Science, Nagoya University

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