Journal ArticleDOI
Synthesis of three-dimensional flowerlike nitrogen-doped carbons by a copyrolysis route and the effect of nitrogen species on the electrocatalytic activity in oxygen reduction reaction
TLDR
In this paper, three-dimensional flower-like nitrogen-doped carbons (NCs) have been prepared by copyrolysis of solid ferrocene and melamine at 500-700°C, and the electrocatalytic performance of as-prepared NCs for oxygen reduction reaction (ORR) is evaluated.About:
This article is published in Carbon.The article was published on 2013-04-01. It has received 140 citations till now. The article focuses on the topics: Catalysis.read more
Citations
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Journal ArticleDOI
Metal-free catalysts for oxygen reduction reaction.
TL;DR: This paper presents a probabilistic procedure for estimating the polymethine content of carbon dioxide using a straightforward two-step procedure, and shows good results in both the stationary and the liquid phase.
Journal ArticleDOI
Earth-Abundant Nanomaterials for Oxygen Reduction.
TL;DR: Recent breakthroughs in engineering nanocatalysts based on the earth-abundant materials for boosting ORR are highlighted, providing new opportunities for enhancing ORR performance at the molecular level.
Journal ArticleDOI
Heterogeneous nanocarbon materials for oxygen reduction reaction
Dawei Wang,Dang Sheng Su +1 more
TL;DR: In this paper, a review focuses on recent progress in the experimental and computational studies of the roles of heteroatoms in heterogeneous nanocarbons for electrocatalytic oxygen reduction reaction (ORR).
Journal ArticleDOI
Carbon-based electrocatalysts for advanced energy conversion and storage
TL;DR: A critical review on the recent advances in carbon-based metal-free catalysts for fuel cells and metal-air batteries, and discusses the perspectives and challenges in this rapidly developing field of practical significance.
Journal ArticleDOI
Observation of active sites for oxygen reduction reaction on nitrogen-doped multilayer graphene
Tan Xing,Yao Zheng,Lu Hua Li,Bruce C. C. Cowie,Daniel Gunzelmann,Shi-Zhang Qiao,Shaoming Huang,Ying Chen +7 more
TL;DR: Synchrotron-based X-ray photoelectron spectroscopy analyses of three nitrogen-doped multilayer graphene samples reveal that oxygen reduction intermediate OH(ads), which should chemically attach to the active sites, remains on the carbon atoms neighboring pyridinic nitrogen after ORR.
References
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Journal ArticleDOI
Materials for electrochemical capacitors
TL;DR: This work has shown that combination of pseudo-capacitive nanomaterials, including oxides, nitrides and polymers, with the latest generation of nanostructured lithium electrodes has brought the energy density of electrochemical capacitors closer to that of batteries.
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Interpretation of Raman spectra of disordered and amorphous carbon
Andrea C. Ferrari,John Robertson +1 more
TL;DR: In this paper, a model and theoretical understanding of the Raman spectra in disordered and amorphous carbon is given, and the nature of the G and D vibration modes in graphite is analyzed in terms of the resonant excitation of \ensuremath{\pi} states and the long-range polarizability of the long range bonding.
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Nitrogen-doped carbon nanotube arrays with high electrocatalytic activity for oxygen reduction.
TL;DR: It is reported that vertically aligned nitrogen-containing carbon nanotubes (VA-NCNTs) can act as a metal-free electrode with a much better electrocatalytic activity, long-term operation stability, and tolerance to crossover effect than platinum for oxygen reduction in alkaline fuel cells.
Journal ArticleDOI
Nitrogen-Doped Graphene as Efficient Metal-Free Electrocatalyst for Oxygen Reduction in Fuel Cells
TL;DR: The resultant N-graphene was demonstrated to act as a metal-free electrode with a much better electrocatalytic activity, long-term operation stability, and tolerance to crossover effect than platinum for oxygen reduction via a four-electron pathway in alkaline fuel cells.
Journal ArticleDOI
Synthesis of N-Doped Graphene by Chemical Vapor Deposition and Its Electrical Properties
TL;DR: Electrical measurements show that the N-doped graphene exhibits an n-type behavior, indicating substitutional doping can effectively modulate the electrical properties of graphene.