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 S-doped mesoporous carbon fibres with ultrahigh S concentration and their application as high performance electrodes in supercapacitors
Xinlong Ma,Guoqing Ning,Yanfang Kan,Yiming Ma,Chuanlei Qi,Bing Chen,Yongfeng Li,Xingying Lan,Jinsen Gao +8 more
TL;DR: S-doped mesoporous carbon fibres with an S content as high as 14.0 atom % were synthesized by carbonization of sucrose using MgSO 4 -containing porous whiskers as templates and S source as discussed by the authors.
Journal ArticleDOI
In-situ generated nano-Fe3C embedded into nitrogen-doped carbon for high performance anode in lithium ion battery
TL;DR: In this paper, a novel C/Fe 3 C composite prepared by simple polymerization-pyrolysis of iron phthalocyanine (PcFe) at 700°C in an Ar atmosphere, exhibits a high reversible capacity, stable cyclability, excellent rate performance, improved initial efficiency and reduced hysteresis as an anode material for lithium ion batteries.
Journal ArticleDOI
Facile construction of Mn3O4 nanorods coated by a layer of nitrogen-doped carbon with high activity for oxygen reduction reaction
Shuyan Gao,Keran Geng +1 more
TL;DR: Manganese oxide coated with a uniform layer of N-doped carbon (Mn 3 O 4 @CN x ) is readily synthesized using a simple aqueous solution based chelating agent dicyandiamide mediated growth of MnCO 3 followed by calcination at 1000°C.
Journal ArticleDOI
Recent Advances in Designing High-Capacity Anode Nanomaterials for Li-Ion Batteries and Their Atomic-Scale Storage Mechanism Studies.
Qiuhong Cui,Yeteng Zhong,Lu Pan,Hongyun Zhang,Yijun Yang,Dequan Liu,Feng Teng,Yoshio Bando,Yoshio Bando,Yoshio Bando,Jiannian Yao,Jiannian Yao,Xi Wang,Xi Wang +13 more
TL;DR: High‐capacity anode nanomaterials based on the diverse types of mechanisms, intercalation/deintercalation mechanism, alloying/dealloying reactions, conversion reaction, and Li metal reaction, are reviewed.
Journal ArticleDOI
Carbon nanofibers/nanosheets hybrid derived from cornstalks as a sustainable anode for Li-ion batteries
TL;DR: In this article, a porous carbon nanofibers/nanosheets hybrid (CNFS) was converted from cornstalk waste by a simple treatment, and the resulting material displays a superhigh surface area and rich porosity.
References
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Electric Field Effect in Atomically Thin Carbon Films
Kostya S. Novoselov,Andre K. Geim,Sergey V. Morozov,Da Jiang,Y. Zhang,S. V. Dubonos,Irina V. Grigorieva,A. A. Firsov +7 more
TL;DR: Monocrystalline graphitic films are found to be a two-dimensional semimetal with a tiny overlap between valence and conductance bands and they exhibit a strong ambipolar electric field effect.
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The rise of graphene
TL;DR: Owing to its unusual electronic spectrum, graphene has led to the emergence of a new paradigm of 'relativistic' condensed-matter physics, where quantum relativistic phenomena can now be mimicked and tested in table-top experiments.
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Two-dimensional atomic crystals
Kostya S. Novoselov,Da Jiang,Fred Schedin,Timothy J. Booth,V. V. Khotkevich,Sergey V. Morozov,Andre K. Geim +6 more
TL;DR: By using micromechanical cleavage, a variety of 2D crystals including single layers of boron nitride, graphite, several dichalcogenides, and complex oxides are prepared and studied.
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Insertion Electrode Materials for Rechargeable Lithium Batteries
TL;DR: In this article, the performance and safety of rechargeable batteries depend strongly on the materials used and future trends, such as alternative materials for achieving higher specific charges are discussed, and a review of the insertion materials suitable for negative and positive insertion electrodes is presented.