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Presentation 2014-12-19 15:15
Analysis of effective nitrogen chemical species in oxygen reduction catalysts made from iron cobalt complexes with pyridyl ligands as precursors in alkaline solution
Masakuni Takahashi, Hidenobu Shiroishi (TNCT), Hiroshi Suzuki, Morihiro Saito (TUAT), Yumi Tanaka (TUS) OME2014-72 Link to ES Tech. Rep. Archives: OME2014-72
Abstract (in Japanese) (See Japanese page) 
(in English) Non-platinum oxygen reduction catalysts made from iron cobalt complexes with 1,10-phenanthroline as a precursor supported on multi-wall carbon nanotubes were synthesized by heat treatment with ammonia atmospheres. The mechanism of oxygen reduction in alkaline solution for the catalysts was investigated by X-ray photoelectron spectroscopy and a rotating ring disk electrode method. The correlation coefficients were estimated 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. There are no positive correlation between oxygen reduction reaction (ORR) current and the surface concentration of N species. In addition, pyridine-type and pyrrole-type nitrogen species had week negative correlation with ORR current and %H2O.
Keyword (in Japanese) (See Japanese page) 
(in English) Fuel cell / Oxygen reduction / Non-precious metal catalyst / Effective surface species / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 383, OME2014-72, pp. 37-40, Dec. 2014.
Paper # OME2014-72 
Date of Issue 2014-12-12 (OME) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 2014-12-19 - 2014-12-19 
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, capacito 
Paper Information
Registration To OME 
Conference Code 2014-12-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 in alkaline solution 
Sub Title (in English)  
Keyword(1) Fuel cell  
Keyword(2) Oxygen reduction  
Keyword(3) Non-precious metal catalyst  
Keyword(4) Effective surface species  
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1st Author's Name Masakuni Takahashi  
1st Author's Affiliation Tokyo National College of Technology (TNCT)
2nd Author's Name Hidenobu Shiroishi  
2nd Author's Affiliation Tokyo National College of Technology (TNCT)
3rd Author's Name Hiroshi Suzuki  
3rd Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
4th Author's Name Morihiro Saito  
4th Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
5th Author's Name Yumi Tanaka  
5th Author's Affiliation Tokyo univrsity of science (TUS)
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Speaker Author-1 
Date Time 2014-12-19 15:15:00 
Presentation Time 15 minutes 
Registration for OME 
Paper # OME2014-72 
Volume (vol) vol.114 
Number (no) no.383 
Page pp.37-40 
#Pages
Date of Issue 2014-12-12 (OME) 


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