Synthesis and properties of carbon-doped Li 2SnO 3 nanocomposite as cathode material for lithium-ion batteries

Qiufen Wang; Ying Huang; Juan Miao; Yang Zhao; Yan Wang

doi:10.1016/j.matlet.2011.12.005

Synthesis and properties of carbon-doped Li ₂SnO ₃ nanocomposite as cathode material for lithium-ion batteries

Qiufen Wang
, Ying Huang
, Juan Miao
, Yang Zhao
, Yan Wang

化学与化工学院

科研成果: 期刊稿件 › 文章 › 同行评审

31 引用（Scopus）

摘要

Tin-based oxides Li ₂SnO ₃ precursor and carbon-doped Li ₂SnO ₃ (Li ₂SnO ₃/C) nanocomposite with good cycle performance for lithium-ion batteries have been synthesized by sol-gel preparation and carbothermic reduction process. Results show that Li ₂SnO ₃/C is composed of regular rod nanoparticles (20-30 nm) with clear lattice fringes, which exhibit better electrochemical properties than Li ₂SnO ₃. At a current density of 60 mA g ^{- 1} in the voltage about 0.05-2.0 V, the first discharge-charge capacities of the composite Li ₂SnO ₃/C are 1671.1 mAh g ^{- 1} and 1558.6 mAh g ^{- 1} while they are 1909.4 mAh g ^{- 1} and 1745.8 mAh g ^{- 1} to Li ₂SnO ₃. The retain capacity (576.9 mAh g ^{- 1}) of Li ₂SnO ₃/C is higher than that of Li ₂SnO ₃ after 50 cycles.

源语言	英语
页（从-至）	66-69
页数	4
期刊	Materials Letters
卷	71
DOI	https://doi.org/10.1016/j.matlet.2011.12.005
出版状态	已出版 - 15 3月 2012

联合国可持续发展目标

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10.1016/j.matlet.2011.12.005

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title = "Synthesis and properties of carbon-doped Li 2SnO 3 nanocomposite as cathode material for lithium-ion batteries",

abstract = "Tin-based oxides Li 2SnO 3 precursor and carbon-doped Li 2SnO 3 (Li 2SnO 3/C) nanocomposite with good cycle performance for lithium-ion batteries have been synthesized by sol-gel preparation and carbothermic reduction process. Results show that Li 2SnO 3/C is composed of regular rod nanoparticles (20-30 nm) with clear lattice fringes, which exhibit better electrochemical properties than Li 2SnO 3. At a current density of 60 mA g - 1 in the voltage about 0.05-2.0 V, the first discharge-charge capacities of the composite Li 2SnO 3/C are 1671.1 mAh g - 1 and 1558.6 mAh g - 1 while they are 1909.4 mAh g - 1 and 1745.8 mAh g - 1 to Li 2SnO 3. The retain capacity (576.9 mAh g - 1) of Li 2SnO 3/C is higher than that of Li 2SnO 3 after 50 cycles.",

keywords = "Carbon-doped Li SnO, Carbothermic reduction process, Electrochemical properties, Nanocomposite, Sol-gel preparation",

author = "Qiufen Wang and Ying Huang and Juan Miao and Yang Zhao and Yan Wang",

year = "2012",

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doi = "10.1016/j.matlet.2011.12.005",

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TY - JOUR

T1 - Synthesis and properties of carbon-doped Li 2SnO 3 nanocomposite as cathode material for lithium-ion batteries

AU - Wang, Qiufen

AU - Huang, Ying

AU - Miao, Juan

AU - Zhao, Yang

AU - Wang, Yan

PY - 2012/3/15

Y1 - 2012/3/15

N2 - Tin-based oxides Li 2SnO 3 precursor and carbon-doped Li 2SnO 3 (Li 2SnO 3/C) nanocomposite with good cycle performance for lithium-ion batteries have been synthesized by sol-gel preparation and carbothermic reduction process. Results show that Li 2SnO 3/C is composed of regular rod nanoparticles (20-30 nm) with clear lattice fringes, which exhibit better electrochemical properties than Li 2SnO 3. At a current density of 60 mA g - 1 in the voltage about 0.05-2.0 V, the first discharge-charge capacities of the composite Li 2SnO 3/C are 1671.1 mAh g - 1 and 1558.6 mAh g - 1 while they are 1909.4 mAh g - 1 and 1745.8 mAh g - 1 to Li 2SnO 3. The retain capacity (576.9 mAh g - 1) of Li 2SnO 3/C is higher than that of Li 2SnO 3 after 50 cycles.

AB - Tin-based oxides Li 2SnO 3 precursor and carbon-doped Li 2SnO 3 (Li 2SnO 3/C) nanocomposite with good cycle performance for lithium-ion batteries have been synthesized by sol-gel preparation and carbothermic reduction process. Results show that Li 2SnO 3/C is composed of regular rod nanoparticles (20-30 nm) with clear lattice fringes, which exhibit better electrochemical properties than Li 2SnO 3. At a current density of 60 mA g - 1 in the voltage about 0.05-2.0 V, the first discharge-charge capacities of the composite Li 2SnO 3/C are 1671.1 mAh g - 1 and 1558.6 mAh g - 1 while they are 1909.4 mAh g - 1 and 1745.8 mAh g - 1 to Li 2SnO 3. The retain capacity (576.9 mAh g - 1) of Li 2SnO 3/C is higher than that of Li 2SnO 3 after 50 cycles.

KW - Carbon-doped Li SnO

KW - Carbothermic reduction process

KW - Electrochemical properties

KW - Nanocomposite

KW - Sol-gel preparation

UR - https://www.scopus.com/pages/publications/84855184773

U2 - 10.1016/j.matlet.2011.12.005

DO - 10.1016/j.matlet.2011.12.005

M3 - 文章

AN - SCOPUS:84855184773

SN - 0167-577X

VL - 71

SP - 66

EP - 69

JO - Materials Letters

JF - Materials Letters

ER -

Synthesis and properties of carbon-doped Li 2SnO 3 nanocomposite as cathode material for lithium-ion batteries

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Synthesis and properties of carbon-doped Li ₂SnO ₃ nanocomposite as cathode material for lithium-ion batteries