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Title: Enhancing Electrocatalytic Performance of Bifunctional Cobalt–Manganese-Oxynitride Nanocatalysts on Graphene

In this paper, we report the synthesis and characterization of graphenesupported cobalt–manganese-oxynitride nanocatalysts (CoMnON/G) as bifunctional electrocatalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). A nitriding treatment of spinel compound CoMnO increased the ORR activity considerably, and the most active material catalyzed the ORR with only a 30 mV half-wave potential difference from the commercial carbon-supported platinum (Pt/C) in alkaline media. In addition to high activity, the catalyst also exhibited an intrinsic stability that outperformed Pt/C. Finally, an appropriately designed nitridation thus facilitates new directions for developing active and durable non-precious-metal oxynitride electocatalysts.
Authors:
 [1] ;  [2] ;  [3] ;  [3] ;  [2] ;  [2] ;  [2]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Chemistry Dept.; Stony Brook Univ., NY (United States). Chemistry Dept.
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Chemistry Dept.
  3. Brookhaven National Lab. (BNL), Upton, NY (United States). Dept. of Condensed Matter Physics and Materials Science
Publication Date:
Report Number(s):
BNL-113794-2017-JA
Journal ID: ISSN 1864-5631; R&D Project: MA510MAEA; KC0302010
Grant/Contract Number:
SC0012704; FG02-05ER15688
Type:
Accepted Manuscript
Journal Name:
ChemSusChem
Additional Journal Information:
Journal Volume: 10; Journal Issue: 1; Journal ID: ISSN 1864-5631
Publisher:
ChemPubSoc Europe
Research Org:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Contributing Orgs:
Stony Brook Univ., NY (United States)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; nitriding; oxygen evolution; oxygen reduction; oxynitride; spinel
OSTI Identifier:
1354693

Li, Yang, Kuttiyiel, Kurian A., Wu, Lijun, Zhu, Yimei, Fujita, Etsuko, Adzic, Radoslav R., and Sasaki, Kotaro. Enhancing Electrocatalytic Performance of Bifunctional Cobalt–Manganese-Oxynitride Nanocatalysts on Graphene. United States: N. p., Web. doi:10.1002/cssc.201601188.
Li, Yang, Kuttiyiel, Kurian A., Wu, Lijun, Zhu, Yimei, Fujita, Etsuko, Adzic, Radoslav R., & Sasaki, Kotaro. Enhancing Electrocatalytic Performance of Bifunctional Cobalt–Manganese-Oxynitride Nanocatalysts on Graphene. United States. doi:10.1002/cssc.201601188.
Li, Yang, Kuttiyiel, Kurian A., Wu, Lijun, Zhu, Yimei, Fujita, Etsuko, Adzic, Radoslav R., and Sasaki, Kotaro. 2016. "Enhancing Electrocatalytic Performance of Bifunctional Cobalt–Manganese-Oxynitride Nanocatalysts on Graphene". United States. doi:10.1002/cssc.201601188. https://www.osti.gov/servlets/purl/1354693.
@article{osti_1354693,
title = {Enhancing Electrocatalytic Performance of Bifunctional Cobalt–Manganese-Oxynitride Nanocatalysts on Graphene},
author = {Li, Yang and Kuttiyiel, Kurian A. and Wu, Lijun and Zhu, Yimei and Fujita, Etsuko and Adzic, Radoslav R. and Sasaki, Kotaro},
abstractNote = {In this paper, we report the synthesis and characterization of graphenesupported cobalt–manganese-oxynitride nanocatalysts (CoMnON/G) as bifunctional electrocatalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). A nitriding treatment of spinel compound CoMnO increased the ORR activity considerably, and the most active material catalyzed the ORR with only a 30 mV half-wave potential difference from the commercial carbon-supported platinum (Pt/C) in alkaline media. In addition to high activity, the catalyst also exhibited an intrinsic stability that outperformed Pt/C. Finally, an appropriately designed nitridation thus facilitates new directions for developing active and durable non-precious-metal oxynitride electocatalysts.},
doi = {10.1002/cssc.201601188},
journal = {ChemSusChem},
number = 1,
volume = 10,
place = {United States},
year = {2016},
month = {11}
}

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