Journal ArticleDOI
Superior cycle stability of nitrogen-doped graphene nanosheets as anodes for lithium ion batteries
TLDR
In this paper, the specific capacity of nitrogen-doped graphene nanosheet (N-GNS) evidently increases with charge/discharge cycles, exhibiting superior electrochemical performance, accounting for higher cycling stability and larger specific capacity in comparison to a pristine graphene and a commercialized graphite anode.About:
This article is published in Electrochemistry Communications.The article was published on 2011-08-01. It has received 303 citations till now. The article focuses on the topics: Graphene foam & Nanosheet.read more
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Synthesis of Phosphorus-Doped Graphene and its Multifunctional Applications for Oxygen Reduction Reaction and Lithium Ion Batteries
TL;DR: A simple and economical thermal annealing method is developed for the synthesis of phosphorus-doped graphene, which exhibits remarkable electrocatalytic activity towards the oxygen reduction reaction and enhances the electrochemical performance as an anode material for lithium ion batteries.
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High‐Performance Sodium Ion Batteries Based on a 3D Anode from Nitrogen‐Doped Graphene Foams
Jiantie Xu,Jiantie Xu,Min Wang,Nilantha P. Wickramaratne,Mietek Jaroniec,Shi Xue Dou,Liming Dai +6 more
TL;DR: A 3D N-doped graphene foam with a 6.8 at% nitrogen content is used as an anode in sodium ion batteries to deliver a high initial reversible capacity with a long-term retention of 69.7% after 150 cycles.
Journal ArticleDOI
Silicon-Based Anodes for Lithium-Ion Batteries: From Fundamentals to Practical Applications.
TL;DR: This Review outlines major impactful work on silicon-based anodes, and the most recent research directions in this field, specifically, the engineering of silicon architectures, the construction of silicon- based composites, and other performance-enhancement studies including electrolytes and binders.
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Lithium storage in nitrogen-rich mesoporous carbon materials
Ya Mao,Hui Duan,Bin Xu,Lin Zhang,Lin Zhang,Yong-Sheng Hu,Changchun Zhao,Zhaoxiang Wang,Liquan Chen,Yusheng Yang +9 more
TL;DR: In this article, nitrogen-rich mesoporous carbon materials were obtained by pyrolyzing gelatin between 700 and 900 °C with a nano-CaCO3 template, and the structure of these materials became more disordered during discharge and is restored during recharge, a behavior similar to that in nitrogen-free hard carbon materials.
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N‐Doped Graphene‐SnO2 Sandwich Paper for High‐Performance Lithium‐Ion Batteries
Xi Wang,Xinqiang Cao,Laure Bourgeois,Hasigaowa Guan,Shimou Chen,Yeteng Zhong,Dai-Ming Tang,Huiqiao Li,Tianyou Zhai,Liang Li,Yoshio Bando,Dmitri Golberg +11 more
TL;DR: In this paper, a new facile route to fabricate N-doped graphene-SnO2 sandwich papers is developed, where the 7,7,8,8-tetracyanoquinodimethane anion plays a key role for the formation of such structures.
References
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High oxygen-reduction activity and durability of nitrogen-doped graphene
Dongsheng Geng,Ying Chen,Yougui Chen,Yongliang Li,Ruying Li,Xueliang Sun,Siyu Ye,Shanna Knights +7 more
TL;DR: In this article, Nitrogen-doped graphene as a metal-free catalyst for oxygen reduction was synthesized by heat-treatment of graphene using ammonia and the optimum temperature was 900 °C.
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Lithium Storage in Carbon Nanostructures
Nitin Kaskhedikar,Joachim Maier +1 more
TL;DR: In this article, the progress of lithium storage in different carbon forms starting from intercalation in graphite to the storage in fullerenes, nanotubes, diamond and most recently, graphene is discussed.
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Li Storage Properties of Disordered Graphene Nanosheets
TL;DR: Li et al. as discussed by the authors reported that highly disordered graphene nanosheets can find promising applications in high-capacity Li ion batteries because of their exceptionally high reversible capacities and good cyclic stability.
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The role of nanostructure in nitrogen-containing carbon catalysts for the oxygen reduction reaction
TL;DR: The most active catalysts were formed when Fe was added to the support before the pyrolysis; however, samples in which Ni or no metal was added still showed increased activity for oxygen reduction compared with untreated carbon as mentioned in this paper.
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Conductivity enhancement in single-walled carbon nanotube bundles doped with K and Br
TL;DR: In this article, the authors report the doping of bulk samples of carbon nanotubes by vapour-phase reactions with bromine and potassium, a prototypical electron acceptor and donor respectively.