Journal ArticleDOI
Simple preparation of nanoporous few-layer nitrogen-doped graphene for use as an efficient electrocatalyst for oxygen reduction and oxygen evolution reactions
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TLDR
In this paper, a simple pyrolysis of graphene oxide and polyaniline was performed to obtain nitrogen-doped graphene (NG), which has excellent catalytic activity toward oxygen reduction reaction (ORR) in an alkaline electrolyte.About:
This article is published in Carbon.The article was published on 2013-03-01. It has received 326 citations till now. The article focuses on the topics: Electrocatalyst & Oxygen evolution.read more
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Recent Advances in Ultrathin Two-Dimensional Nanomaterials
Chaoliang Tan,Xiehong Cao,Xiehong Cao,Xue-Jun Wu,Qiyuan He,Jian Yang,Xiao Zhang,Junze Chen,Wei Zhao,Shikui Han,Gwang-Hyeon Nam,Melinda Sindoro,Hua Zhang +12 more
TL;DR: The unique advances on ultrathin 2D nanomaterials are introduced, followed by the description of their composition and crystal structures, and the assortments of their synthetic methods are summarized.
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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.
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Heteroatom-doped graphene materials: syntheses, properties and applications
TL;DR: The distinct properties resulting from various dopants, different doping levels and configurations, and synergistic effects from co-dopants are emphasized, hoping to assist a better understanding of doped graphene materials.
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Carbon-based metal-free catalysts
Xien Liu,Liming Dai,Liming Dai +2 more
TL;DR: Carbon-based metal-free catalysts as discussed by the authors have been widely used as catalysts for materials production, clean energy generation and storage, and many other important industrial processes, but metal-based catalysts suffer from high cost, low selectivity, poor durability, susceptibility to gas poisoning and have a detrimental environmental impact.
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Preparation of nitrogen-doped graphene sheets by a combined chemical and hydrothermal reduction of graphene oxide.
TL;DR: This simple hydrothermal method could provide the synthesis of nitrogen-doped graphene sheets in large scale for various practical applications and should play an important role in the nitrogen doping and the jellyfish-like graphene formation.
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On the mechanism of enhanced oxygen reduction reaction in nitrogen-doped graphene nanoribbons
TL;DR: The results of periodic density functional theory (DFT) calculations about the ORR at the edge of a graphene nanoribbon are reported, finding that the outermost graphitic nitrogen site in particular gives the most desirable characteristics for improved ORR activity, and hence the active site.
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On the Gelation of Graphene Oxide
TL;DR: In this article, the authors systematically studied the three-dimensional self-assembly of GO sheets in aqueous media to form hydrogels and found that the gelation of GO can be promoted by different supramolecular interactions, including hydrogen bonding, π stacking, electrostatic interaction, and coordination.
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A review on air cathodes for zinc–air fuel cells
TL;DR: In this paper, the authors present a review of the air cathode fabrication and fabrication of air cathodes for alkali zinc-air fuel cells (ZAFCs), one of the few successfully commercialized fuel cells.
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Nitrogen-doped graphene nanosheets as anode materials for lithium ion batteries: a first-principles study
TL;DR: In this paper, the effects of the electron-deficiency of N-doped graphenes on their application in lithium ion batteries (LIBs), where three different defect models, graphitic, pyridinic, and pyrrolic graphene are used.