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Paper Abstract and Keywords
Presentation 2013-12-17 13:45
Analysis of effective nitrogen chemical species in oxygen reduction catalysts made from iron cobalt complexes with pyridyl ligands as precursors
Masakuni Takahashi, Hidenobu Shiroishi (Tokyo NCT), Morihiro Saito, Yumi Tanaka (Tokyo Univ. of Science) OME2013-78
Abstract (in Japanese) (See Japanese page) 
(in English) Non-platinum oxygen reduction catalysts made from iron cobalt complexes with pyridyl ligands as precursors supported on multi-wall carbon nanotubes were synthesized by heat treatment with ammonia atmospheres. The mechanism of oxygen reduction for the catalysts was investigated by X-ray photoelectron spectroscopy and a rotating ring disk electrode method. The correlation coefficients between effective nitrogen chemical species on the surface of the oxygen reduction catalysts and cathodic current derived from oxygen reduction reaction or 4-electron reduction efficiency were estimated at each potential. It is clarified that the effective nitrogen chemical species depend on the kinds of ligands used in the precursors. The quaternary-type nitrogen species was effective when using 1, 10-phenanthroline as ligands, whereas the pyridine-type nitrogen species was effective when using 2,2’-bipyridine as ligands.
Keyword (in Japanese) (See Japanese page) 
(in English) Fuel cell / Oxygen reduction / Non-precious metal catalyst / Effective nitrogen species / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 358, OME2013-78, pp. 7-12, Dec. 2013.
Paper # OME2013-78 
Date of Issue 2013-12-10 (OME) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee OME  
Conference Date 2013-12-17 - 2013-12-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg 
Topics (in Japanese) (See Japanese page) 
Topics (in English) battery, electrochemistry, surface modification, catalyst, in situ obsrvation, capacitor 
Paper Information
Registration To OME 
Conference Code 2013-12-OME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of effective nitrogen chemical species in oxygen reduction catalysts made from iron cobalt complexes with pyridyl ligands as precursors 
Sub Title (in English)  
Keyword(1) Fuel cell  
Keyword(2) Oxygen reduction  
Keyword(3) Non-precious metal catalyst  
Keyword(4) Effective nitrogen species  
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Keyword(6)  
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1st Author's Name Masakuni Takahashi  
1st Author's Affiliation Tokyo National College of Technology (Tokyo NCT)
2nd Author's Name Hidenobu Shiroishi  
2nd Author's Affiliation Tokyo National College of Technology (Tokyo NCT)
3rd Author's Name Morihiro Saito  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
4th Author's Name Yumi Tanaka  
4th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2013-12-17 13:45:00 
Presentation Time 20 minutes 
Registration for OME 
Paper # OME2013-78 
Volume (vol) vol.113 
Number (no) no.358 
Page pp.7-12 
#Pages 6 
Date of Issue 2013-12-10 (OME) 

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