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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Origin of the Large N 1s Binding Energy in X-ray Photoelectron Spectra of Calcined Carbonaceous Materials
TL;DR: Theoretical models and ab initio Hartree−Fock wave functions are used to investigate the N 1s core level binding energies of N-containing calcined carbonaceous materials.
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Materials science: carbon sheet solutions.
TL;DR: An inexpensive polymer-matrix composite is produced by separating graphene sheets from graphite and chemically tuning them, which contains dispersed graphene sheets and offers access to a broad range of useful thermal, electrical and mechanical properties.
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Carbon Nitride Nanocomposites: Formation of Aligned CxNy Nanofibers
Mauricio Terrones,Philipp Redlich,Nicole Grobert,Susana Trasobares,Wen-Kuang Hsu,Humberto Terrones,Yanqiu Zhu,Jonathan P. Hare,C. L. Reeves,Anthony K. Cheetham,Manfred Rühle,Harold W. Kroto,David R. M. Walton +12 more
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Distribution and structure of N atoms in multiwalled carbon nanotubes using variable-energy X-ray photoelectron spectroscopy.
TL;DR: The CNTs grown using NiPc contain the higher content of pyridine-like structure compared to those grown using FePc and CoPc, so they exhibit more metallic properties.
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Vertically aligned graphene electrode for lithium ion battery with high rate capability
TL;DR: In this paper, a simple approach has been developed to align the graphene nanosheet vertically on current collector, which not only facilitates both lithium ion and electron transport, but also simplifies the electrode fabrication without involving binder and conductive additives.