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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Journal ArticleDOI
Facile Synthesis of Sn/Nitrogen-Doped Reduced Graphene Oxide Nanocomposites with Superb Lithium Storage Properties
TL;DR: Improved lithium-storage performance of Sn@N-G anode could be ascribed to the effective graphene wrapping, which accommodates the large volume change of Sn during the charge–discharge process, while the nitrogen doping increases the electronic conductivity of graphene.
Journal ArticleDOI
Free-Standing Sandwich-Structured Flexible Film Electrode Composed of Na2Ti3O7 Nanowires@CNT and Reduced Graphene Oxide for Advanced Sodium-Ion Batteries
TL;DR: Electrochemical measurements suggest that this rationally designed structure endows the electrode with a high specific capacity and excellent cycling performance, and provides a promising avenue for potential industrial applications.
Book ChapterDOI
Anode Materials, SEI, Carbon, Graphite, Conductivity, Graphene, Reversible, Formation
TL;DR: Lithium-ion batteries have been commonly used as power sources in consumer electronics including laptops, cellular phones, and full and hybrid electric vehicles because of their long cycling life, high energy capacity, and eco-friendliness.
Journal ArticleDOI
Ordered porous structure of nitrogen-self-doped carbon supporting Co3O4 nanoparticles as anode for improving cycle stability in lithium-ion batteries
Lei Liu,Quanling Yang,Ming Jiang,Shan Wang,Bin Liu,Dong Fang,Jing Huang,Qing Wang,Lijie Dong,Chuanxi Xiong +9 more
TL;DR: A facile synthesis procedure of nitrogen-self-doped porous carbon (NPC) derived from abundant natural biological materials has been presented in this article, where the ordered mesostructures with nanopores in the channel walls provided support for immobilization of well-dispersed Co3O4 nanoparticles.
Journal ArticleDOI
Ce2O2S anchored on graphitized carbon with tunable architectures as a new promising anode for Li-ion batteries
TL;DR: In this article, the structure and morphology of the Ce2O2S/carbon composites were investigated by XRD, SEM, TEM and STEM, and the results showed that the composite has stable specific capacity up to 627 mA h g−1 after 180 cycles at a constant current density between 0.01 and 3 V, which can make it a choice as a potential anode material for Li-ion batteries.
References
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Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.
Journal ArticleDOI
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.