Structure control of carbon nanowalls and its physical properties and applications

2014 Fiscal Year Final Research Report

• Project/Area Number: 24560807
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Physical properties of metals
• Research Institution: Yokohama City University
• Principal Investigator: TACHIBANA MASARU 横浜市立大学, 生命ナノシステム科学研究科, 教授 (80236546)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: カーボンナノウォール / ナノグラファイト / 燃料電池 / プラズマCVD / 白金代替触媒 / 酸素還元反応 / 白金電極触媒

Outline of Final Research Achievements

Main three achievements in this work are as follows. (1) We found that the particle size of Pt supported on CNWs (Pt/CNW) depends on the domain size. In addition, it should be noted that the oxygen reduction reaction (ORR) activity of Pt/CNW is higher compared with that of commercial available T-Pt/CB even with smaller Pt particle size. (2) We found that transparent graphitic tiles are synthesized from CNWs by hock compression and rapid quenching. It is suggested that the transparent tile is a mixture of amorphous diamond and superhard graphitic material with the transparency. (3) We developed nitrogen-doped carbon alloy catalysts by dc plasma-enhanced chemical vapor deposition. The onset voltage exhibiting the ORR activity exceed 0.85 V which correspond to highest one in this field.

Free Research Field

材料科学