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Title: Synergistic enhancement of nitrogen and sulfur co-doped graphene with carbon nanospheres insertion for electrocatalytic oxygen reduction reaction

Journal Article · · Journal of Materials Chemistry. A
DOI:https://doi.org/10.1039/C4TA06323F· OSTI ID:1183281
 [1];  [2];  [1];  [1];  [1]
  1. Huazhong Univ. of Science and Technology, Wuhan (China)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)

A nitrogen and sulfur co-doped graphene/carbon black (NSGCB) nanocomposite for the oxygen reduction reaction (ORR) was synthesized through a one-pot annealing of a precursor mixture containing graphene oxide, thiourea, and acidized carbon black (CB). The NSGCB showed excellent performance for the ORR with the onset and half-way potentials at 0.96 V and 0.81 V (vs. RHE), respectively. It is significantly improved over that of the catalysts derived from only graphene (0.90 V and 0.76 V) or carbon nanosphere (0.82 V and 0.74 V). The enhanced catalytic activity on the NSGCB electrode could be attributed to the synergistic effect of N/S co-doping and the enlarged interlayer space resulted from the insertion of carbon nanosphere into the graphene sheets. The four-electron selectivity and the limiting current density of the NSGCB nanocomposite are comparable to that of the commercially Pt/C catalyst. Furthermore, the NSGCB nanocomposite was superior to Pt/C in terms of long-term durability and tolerance to methanol poisoning.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704
OSTI ID:
1183281
Report Number(s):
BNL-107751-2015-JA; JMCAET; KC0403020
Journal Information:
Journal of Materials Chemistry. A, Vol. 3, Issue 15; ISSN 2050-7488
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 55 works
Citation information provided by
Web of Science

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In Situ Transformation of MOFs into Layered Double Hydroxide Embedded Metal Sulfides for Improved Electrocatalytic and Supercapacitive Performance journal May 2017
Mn x (PO 4 ) y /NPC As a High Performance Bifunctional Electrocatalyst for Oxygen Electrode Reactions journal January 2019
Exposed N and S Active Sites: An Indicator for Oxygen Reduction on Metal-Free Yam-Derived Porous Carbons journal September 2017
Using Multifunctional Polymeric Soft Template for Synthesizing Nitrogen and Phosphorus Co-Doped Mesoporous Carbon Frameworks Electrocatalysts for Oxygen Reduction Reaction journal August 2018
Diels–Alder polymerization: a versatile synthetic method toward functional polyphenylenes, ladder polymers and graphene nanoribbons journal November 2017
Nitrogen and sulfur co-doping of 3D hollow-structured carbon spheres as an efficient and stable metal free catalyst for the oxygen reduction reaction journal January 2016
N, S-containing MOF-derived dual-doped mesoporous carbon as a highly effective oxygen reduction reaction electrocatalyst journal January 2018
Fe–N-functionalized carbon electrocatalyst derived from a zeolitic imidazolate framework for oxygen reduction: Fe and NH 3 treatment effects journal January 2018
MnCo 2 O 4 nanoparticles supported on nitrogen and sulfur co-doped mesoporous carbon spheres as efficient electrocatalysts for oxygen catalytic reactions journal January 2019
A PDDA functionalized nitrogen and sulphur doped graphene composite as the counter electrode for dye-sensitized solar cells journal January 2018
Highly active bifunctional oxygen electrocatalysts derived from nickel– or cobalt–phytic acid xerogel for zinc–air batteries journal January 2018
Anchoring ultrafine Pt nanoparticles on the 3D hierarchical self-assembly of graphene/functionalized carbon black as a highly efficient oxygen reduction catalyst for PEMFCs journal January 2018
MOF-derived two-dimensional N-doped carbon nanosheets coupled with Co–Fe–P–Se as efficient bifunctional OER/ORR catalysts journal January 2019
N,S–Codoped hierarchical porous carbon spheres embedded with cobalt nanoparticles as efficient bifunctional oxygen electrocatalysts for rechargeable zinc-air batteries journal January 2019
Impact of active layer thickness of nitrogen-doped In–Sn–Zn–O films on materials and thin film transistor performances journal April 2018
Recent Progress in Nitrogen-Doped Metal-Free Electrocatalysts for Oxygen Reduction Reaction journal May 2018
An Iron-Based Catalyst with Multiple Active Components Synergetically Improved Electrochemical Performance for Oxygen Reduction Reaction journal June 2018