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A facile synthesis of heteroatom-doped carbon framework anchored with TiO 2 nanoparticles for high performance lithium ion battery anodes

Titanium dioxide (TiO 2 )-based materials have been well studied because of the high safety and excellent cycling performance when employed as anode materials for lithium ion batteries (LIBs), whereas, the relatively low theoretical capacity (only 335 mAh g −1 ) and serious kinetic problems such as... Full description

Journal Title: Journal of Nanoparticle Research 2018, Vol.20(6), pp.1-10
Main Author: Long, Bo
Other Authors: Chen, Song , Wang, Biao , Tang, Jingjing , Yang, Juan , Zhou, Xiangyang
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1388-0764 ; E-ISSN: 1572-896X ; DOI: 10.1007/s11051-018-4263-x
Link: http://dx.doi.org/10.1007/s11051-018-4263-x
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recordid: springer_jour10.1007/s11051-018-4263-x
title: A facile synthesis of heteroatom-doped carbon framework anchored with TiO 2 nanoparticles for high performance lithium ion battery anodes
format: Article
creator:
  • Long, Bo
  • Chen, Song
  • Wang, Biao
  • Tang, Jingjing
  • Yang, Juan
  • Zhou, Xiangyang
subjects:
  • Lithium ion batteries
  • N/S dual-doping
  • Nanoparticles
  • Anode materials
  • Energy storage
ispartof: Journal of Nanoparticle Research, 2018, Vol.20(6), pp.1-10
description: Titanium dioxide (TiO 2 )-based materials have been well studied because of the high safety and excellent cycling performance when employed as anode materials for lithium ion batteries (LIBs), whereas, the relatively low theoretical capacity (only 335 mAh g −1 ) and serious kinetic problems such as poor electrical conductivity (~ 10 −13 S cm −1 ) and low lithium diffusion coefficient (~ 10 −9 to 10 −13  cm 2  s −1 ) hinder the development of the TiO 2 -based anode materials. To overcome these drawbacks, we present a facile strategy to synthesize N/S dual-doping carbon framework anchored with TiO 2 nanoparticles (NSC@TiO 2 ) as LIBs anode. Typically, TiO 2 nanoparticles are anchored into the porous graphene-based sheets with N, S dual doping feature, which is produced by carbonization and KOH activation process. The as-obtained NSC@TiO 2 electrode exhibits a high specific capacity of 250 mAh g −1 with a coulombic efficiency of 99% after 500 cycles at 200 mA g −1 and excellent rate performance, indicating its promising as anode material for LIBs.
language: eng
source:
identifier: ISSN: 1388-0764 ; E-ISSN: 1572-896X ; DOI: 10.1007/s11051-018-4263-x
fulltext: fulltext
issn:
  • 1572-896X
  • 1572896X
  • 1388-0764
  • 13880764
url: Link


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titleA facile synthesis of heteroatom-doped carbon framework anchored with TiO 2 nanoparticles for high performance lithium ion battery anodes
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subjectLithium ion batteries ; N/S dual-doping ; Nanoparticles ; Anode materials ; Energy storage
descriptionTitanium dioxide (TiO 2 )-based materials have been well studied because of the high safety and excellent cycling performance when employed as anode materials for lithium ion batteries (LIBs), whereas, the relatively low theoretical capacity (only 335 mAh g −1 ) and serious kinetic problems such as poor electrical conductivity (~ 10 −13 S cm −1 ) and low lithium diffusion coefficient (~ 10 −9 to 10 −13  cm 2  s −1 ) hinder the development of the TiO 2 -based anode materials. To overcome these drawbacks, we present a facile strategy to synthesize N/S dual-doping carbon framework anchored with TiO 2 nanoparticles (NSC@TiO 2 ) as LIBs anode. Typically, TiO 2 nanoparticles are anchored into the porous graphene-based sheets with N, S dual doping feature, which is produced by carbonization and KOH activation process. The as-obtained NSC@TiO 2 electrode exhibits a high specific capacity of 250 mAh g −1 with a coulombic efficiency of 99% after 500 cycles at 200 mA g −1 and excellent rate performance, indicating its promising as anode material for LIBs.
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descriptionTitanium dioxide (TiO 2 )-based materials have been well studied because of the high safety and excellent cycling performance when employed as anode materials for lithium ion batteries (LIBs), whereas, the relatively low theoretical capacity (only 335 mAh g −1 ) and serious kinetic problems such as poor electrical conductivity (~ 10 −13 S cm −1 ) and low lithium diffusion coefficient (~ 10 −9 to 10 −13  cm 2  s −1 ) hinder the development of the TiO 2 -based anode materials. To overcome these drawbacks, we present a facile strategy to synthesize N/S dual-doping carbon framework anchored with TiO 2 nanoparticles (NSC@TiO 2 ) as LIBs anode. Typically, TiO 2 nanoparticles are anchored into the porous graphene-based sheets with N, S dual doping feature, which is produced by carbonization and KOH activation process. The as-obtained NSC@TiO 2 electrode exhibits a high specific capacity of 250 mAh g −1 with a coulombic efficiency of 99% after 500 cycles at 200 mA g −1 and excellent rate performance, indicating its promising as anode material for LIBs.
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abstractTitanium dioxide (TiO 2 )-based materials have been well studied because of the high safety and excellent cycling performance when employed as anode materials for lithium ion batteries (LIBs), whereas, the relatively low theoretical capacity (only 335 mAh g −1 ) and serious kinetic problems such as poor electrical conductivity (~ 10 −13 S cm −1 ) and low lithium diffusion coefficient (~ 10 −9 to 10 −13  cm 2  s −1 ) hinder the development of the TiO 2 -based anode materials. To overcome these drawbacks, we present a facile strategy to synthesize N/S dual-doping carbon framework anchored with TiO 2 nanoparticles (NSC@TiO 2 ) as LIBs anode. Typically, TiO 2 nanoparticles are anchored into the porous graphene-based sheets with N, S dual doping feature, which is produced by carbonization and KOH activation process. The as-obtained NSC@TiO 2 electrode exhibits a high specific capacity of 250 mAh g −1 with a coulombic efficiency of 99% after 500 cycles at 200 mA g −1 and excellent rate performance, indicating its promising as anode material for LIBs.
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date2018-06