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
Citations
More filters
Journal ArticleDOI
Ultra-thin, highly graphitized carbon nanosheets into three-dimensional interconnected framework utilizing a ball mill mixing of precursors
Jie Wang,Jeonghun Kim,Jeonghun Kim,Bing Ding,Bing Ding,Jung Ho Kim,Victor Malgras,Christine Young,Yusuke Yamauchi,Yusuke Yamauchi,Yusuke Yamauchi +10 more
TL;DR: In this paper, a facile preparation of an ultrathin, highly graphitized carbon nanosheets framework (UGCF) by directly carbonizing a gel composite of resol, FeCl3·6H2O, and F127 block polymer prepared by ball milling is reported.
Journal ArticleDOI
Nitrogen-enriched graphene framework from a large-scale magnesiothermic conversion of CO2 with synergistic kinetics for high-power lithium-ion capacitors
Chen Li,Xiong Zhang,Kai Wang,Xianzhong Sun,Ya-Nan Xu,Fangyuan Su,Cheng-Meng Chen,Fangyan Liu,Fangyan Liu,Zhong-Shuai Wu,Zhong-Shuai Wu,Yanwei Ma,Yanwei Ma +12 more
TL;DR: In this article, a large-scale and ultrafast combustion synthesis using CO2 as feedstock is demonstrated for the fabrication of nitrogen-enriched graphene frameworks (NGF) with high electrical conductivity, which delivers an upgraded kinetics due to the enhanced ion diffusion and electron transport.
Journal ArticleDOI
Ultrafast-charging and long cycle-life anode materials of TiO2-bronze/nitrogen-doped graphene nanocomposites for high-performance lithium-ion batteries
Thanapat Autthawong,Yothin Chimupala,Mitsutaka Haruta,Hiroki Kurata,Tsutomu Kiyomura,Aishui Yu,Torranin Chairuangsri,Thapanee Sarakonsri +7 more
TL;DR: In this paper, the authors reported charging rates and specific capacities of TiO2(B)/N-doped graphene (TNG) composites, which were prepared by the hydrothermal method in various reaction times.
Journal ArticleDOI
Nitrogen-rich graphene from small molecules as high performance anode material
TL;DR: The superior lithium-storage performance is ascribed to the unique features of NRGS, including a large quantity of defects due to the high nitrogen doping level, favorable lithium ion transportation channels by virtue of the large surface area, and ultrahigh pore volume, as well as the crumpled two-dimensional structure.
Journal ArticleDOI
Tailoring storage capacity and ion kinetics in Ti2CO2/graphene heterostructures by functionalization of graphene
Cem Sevik,Deniz Çakır +1 more
TL;DR: In this article, the authors demonstrate that heterostructures made of an $M\phantom{\rule{0}{0ex}}X$ene and functionalized graphene are promising candidates to control and manipulate the generation and diffusion of Li${}^{+}$ at the interface of the dissimilar materials.
References
More filters
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.