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Paper Abstract and Keywords
Presentation 2017-12-28 14:10
Effects of Zinc Salt Addition to the Precursor of Fe/N/C Oxygen Reduction Catalysts for Cathode in Polymer Electrolyte Fuel Cells
Ryoma Ono, Hidenobu Shiroishi (National Inst. of Tech., Tokyo Col.), Morihiro Saito (Tokyo Univ. of Agri. & Tech.), Tsukasa Yoshida (Yamagata Univ.), Kun'ichi Miyazawa, Yumi Tanaka (Tokyo Univ. of Sci.) OME2017-51 Link to ES Tech. Rep. Archives: OME2017-51
Abstract (in Japanese) (See Japanese page) 
(in English) The further improvement of oxygen reduction activity for non-platinum oxygen reduction catalysts is required for the substitution of platinum. In this study, the precursors of Fe/N/C type oxygen reduction catalysts were prepared using a zinc salt as well as 1,10-phenanthroline (phen), Ketjenblack(KB), and iron(II) acetate. The effects of Zn salt addition to the precursors on oxygen reduction activity was investigated by the electrochemical measurements, thermogravimetry, and X-ray photoelectron spectroscopy. Onset potential, which was defined by 100 μA mg-1 of oxygen reduction current, was 0.882 V vs. RHE for the catalyst made from zinc acetate as well as phen, KB, and iron(II) acetate, whose overvoltage decreased by 39 mV compared to those without zinc acetate. The decrease in phen was suppressed to about 50% in the presence of zinc acetate in the precursor, suggesting that the thermal stability was improved by the formation of a complex between zinc ion and phen. It was suggested that the addition of the zinc salt to the precursors causes the increase in the graphitic and pyridinic type nitrogen species functioning as active oxygen reduction sites.
Keyword (in Japanese) (See Japanese page) 
(in English) PEFC / ORR / non-plutinum / Fe/N/C / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 376, OME2017-51, pp. 11-14, Dec. 2017.
Paper # OME2017-51 
Date of Issue 2017-12-21 (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)
Download PDF OME2017-51 Link to ES Tech. Rep. Archives: OME2017-51

Conference Information
Committee OME  
Conference Date 2017-12-28 - 2017-12-28 
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 2017-12-OME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effects of Zinc Salt Addition to the Precursor of Fe/N/C Oxygen Reduction Catalysts for Cathode in Polymer Electrolyte Fuel Cells 
Sub Title (in English)  
Keyword(1) PEFC  
Keyword(2) ORR  
Keyword(3) non-plutinum  
Keyword(4) Fe/N/C  
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1st Author's Name Ryoma Ono  
1st Author's Affiliation National Instinct of Technology, Tokyo college (National Inst. of Tech., Tokyo Col.)
2nd Author's Name Hidenobu Shiroishi  
2nd Author's Affiliation National Instinct of Technology, Tokyo college (National Inst. of Tech., Tokyo Col.)
3rd Author's Name Morihiro Saito  
3rd Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agri. & Tech.)
4th Author's Name Tsukasa Yoshida  
4th Author's Affiliation Yamagata University (Yamagata Univ.)
5th Author's Name Kun'ichi Miyazawa  
5th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Sci.)
6th Author's Name Yumi Tanaka  
6th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Sci.)
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Speaker Author-1 
Date Time 2017-12-28 14:10:00 
Presentation Time 20 minutes 
Registration for OME 
Paper # OME2017-51 
Volume (vol) vol.117 
Number (no) no.376 
Page pp.11-14 
#Pages
Date of Issue 2017-12-21 (OME) 


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