Preparation and characterization of xLi 2MnO 3·(1-x)Li[Ni 1/3Mn 1/3Co 1/3]O 2 cathode materials for lithium-ion batteries

Yue Feng Su; Zhao Wang; Feng Wu; Li Ying Bao; Lai Chen; Ning Li; Shi Chen

doi:10.3866/PKU.WHXB201202102

Preparation and characterization of xLi ₂MnO ₃·(1-x)Li[Ni _1/3Mn _1/3Co _1/3]O ₂ cathode materials for lithium-ion batteries

Yue Feng Su^*, Zhao Wang, Feng Wu, Li Ying Bao, Lai Chen, Ning Li, Shi Chen

^*Corresponding author for this work

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

The lithium rich cathode materials xLi ₂MnO ₃·(1-x)Li[Ni _1/3Mn _1/3Co _1/3]O ₂ (x=0.4, 0.5, 0.6) were successfully synthesized via sol-gel method with calcination in air. The transition metal acetate, lithium acetate, and citric acid were used as raw materials. The as-prepared materials were characterized by X-ray diffraction (XRD), scaning electron microscopy (SEM), and electrochemical tests. The material 0.5Li2MnO3· 0.5LiNi _1/3Mn _1/3Co _1/3]O ₂, which was obtained after calcination at 900 °C for 12 h, exhibited fine microstructures and good electrochemical performance. When cycled at 2.0-4.8 V with a current density of 20 mA·g ^-1 at room temperature, 0.5Li ₂MnO ₃·0.5LiNi _1/3Mn _1/3Co _1/3]O ₂ delivered a initial discharge specific capacity of 260.0 mAh·g ^-1, and maintained a capacity of 244.7 mAh·g ^-1 after 40 cycles (capacity retention 94.12%).

Original language	English
Pages (from-to)	823-830
Number of pages	8
Journal	Wuli Huaxue Xuebao/ Acta Physico - Chimica Sinica
Volume	28
Issue number	4
DOIs	https://doi.org/10.3866/PKU.WHXB201202102
Publication status	Published - 2012

Keywords

Cathode material
Electrochemical performance
Lithium-ion battery
Sol-gel
Solid solution

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.3866/PKU.WHXB201202102

Cite this

@article{951c18fbf22a4f09b6fcb2c4b464af28,

title = "Preparation and characterization of xLi 2MnO 3·(1-x)Li[Ni 1/3Mn 1/3Co 1/3]O 2 cathode materials for lithium-ion batteries",

abstract = "The lithium rich cathode materials xLi 2MnO 3·(1-x)Li[Ni 1/3Mn 1/3Co 1/3]O 2 (x=0.4, 0.5, 0.6) were successfully synthesized via sol-gel method with calcination in air. The transition metal acetate, lithium acetate, and citric acid were used as raw materials. The as-prepared materials were characterized by X-ray diffraction (XRD), scaning electron microscopy (SEM), and electrochemical tests. The material 0.5Li2MnO3· 0.5LiNi 1/3Mn 1/3Co 1/3]O 2, which was obtained after calcination at 900 °C for 12 h, exhibited fine microstructures and good electrochemical performance. When cycled at 2.0-4.8 V with a current density of 20 mA·g -1 at room temperature, 0.5Li 2MnO 3·0.5LiNi 1/3Mn 1/3Co 1/3]O 2 delivered a initial discharge specific capacity of 260.0 mAh·g -1, and maintained a capacity of 244.7 mAh·g -1 after 40 cycles (capacity retention 94.12%).",

keywords = "Cathode material, Electrochemical performance, Lithium-ion battery, Sol-gel, Solid solution",

author = "Su, {Yue Feng} and Zhao Wang and Feng Wu and Bao, {Li Ying} and Lai Chen and Ning Li and Shi Chen",

year = "2012",

doi = "10.3866/PKU.WHXB201202102",

language = "English",

volume = "28",

pages = "823--830",

journal = "Wuli Huaxue Xuebao/ Acta Physico - Chimica Sinica",

issn = "1000-6818",

publisher = "Chinese Chemical Society and Peking University",

number = "4",

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T1 - Preparation and characterization of xLi 2MnO 3·(1-x)Li[Ni 1/3Mn 1/3Co 1/3]O 2 cathode materials for lithium-ion batteries

AU - Su, Yue Feng

AU - Wang, Zhao

AU - Wu, Feng

AU - Bao, Li Ying

AU - Chen, Lai

AU - Li, Ning

AU - Chen, Shi

PY - 2012

Y1 - 2012

N2 - The lithium rich cathode materials xLi 2MnO 3·(1-x)Li[Ni 1/3Mn 1/3Co 1/3]O 2 (x=0.4, 0.5, 0.6) were successfully synthesized via sol-gel method with calcination in air. The transition metal acetate, lithium acetate, and citric acid were used as raw materials. The as-prepared materials were characterized by X-ray diffraction (XRD), scaning electron microscopy (SEM), and electrochemical tests. The material 0.5Li2MnO3· 0.5LiNi 1/3Mn 1/3Co 1/3]O 2, which was obtained after calcination at 900 °C for 12 h, exhibited fine microstructures and good electrochemical performance. When cycled at 2.0-4.8 V with a current density of 20 mA·g -1 at room temperature, 0.5Li 2MnO 3·0.5LiNi 1/3Mn 1/3Co 1/3]O 2 delivered a initial discharge specific capacity of 260.0 mAh·g -1, and maintained a capacity of 244.7 mAh·g -1 after 40 cycles (capacity retention 94.12%).

AB - The lithium rich cathode materials xLi 2MnO 3·(1-x)Li[Ni 1/3Mn 1/3Co 1/3]O 2 (x=0.4, 0.5, 0.6) were successfully synthesized via sol-gel method with calcination in air. The transition metal acetate, lithium acetate, and citric acid were used as raw materials. The as-prepared materials were characterized by X-ray diffraction (XRD), scaning electron microscopy (SEM), and electrochemical tests. The material 0.5Li2MnO3· 0.5LiNi 1/3Mn 1/3Co 1/3]O 2, which was obtained after calcination at 900 °C for 12 h, exhibited fine microstructures and good electrochemical performance. When cycled at 2.0-4.8 V with a current density of 20 mA·g -1 at room temperature, 0.5Li 2MnO 3·0.5LiNi 1/3Mn 1/3Co 1/3]O 2 delivered a initial discharge specific capacity of 260.0 mAh·g -1, and maintained a capacity of 244.7 mAh·g -1 after 40 cycles (capacity retention 94.12%).

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KW - Lithium-ion battery

KW - Sol-gel

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