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Enhanced cycling stability of o-LiMnO2 cathode modified by lithium boron oxide coating for lithium-ion batteries

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Enhanced cycling stability of o-LiMnO2 cathode modified by lithium boron oxide coating for lithium-ion batteries. / Nagasubramanian, Arun; Yu, Denis Yau Wai; Hoster, Harry; Srinivasan, Madhavi.

In: Journal of Solid State Electrochemistry, Vol. 18, No. 7, 07.2014, p. 1915-1922.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Nagasubramanian, A, Yu, DYW, Hoster, H & Srinivasan, M 2014, 'Enhanced cycling stability of o-LiMnO2 cathode modified by lithium boron oxide coating for lithium-ion batteries', Journal of Solid State Electrochemistry, vol. 18, no. 7, pp. 1915-1922. https://doi.org/10.1007/s10008-014-2421-3

APA

Nagasubramanian, A., Yu, D. Y. W., Hoster, H., & Srinivasan, M. (2014). Enhanced cycling stability of o-LiMnO2 cathode modified by lithium boron oxide coating for lithium-ion batteries. Journal of Solid State Electrochemistry, 18(7), 1915-1922. https://doi.org/10.1007/s10008-014-2421-3

Vancouver

Nagasubramanian A, Yu DYW, Hoster H, Srinivasan M. Enhanced cycling stability of o-LiMnO2 cathode modified by lithium boron oxide coating for lithium-ion batteries. Journal of Solid State Electrochemistry. 2014 Jul;18(7):1915-1922. https://doi.org/10.1007/s10008-014-2421-3

Author

Nagasubramanian, Arun ; Yu, Denis Yau Wai ; Hoster, Harry ; Srinivasan, Madhavi. / Enhanced cycling stability of o-LiMnO2 cathode modified by lithium boron oxide coating for lithium-ion batteries. In: Journal of Solid State Electrochemistry. 2014 ; Vol. 18, No. 7. pp. 1915-1922.

Bibtex

@article{a6e89df6b124468fa1a465f03dee52bd,
title = "Enhanced cycling stability of o-LiMnO2 cathode modified by lithium boron oxide coating for lithium-ion batteries",
abstract = "The effect of lithium boron oxide (LBO) coating on the electrochemical performance of orthorhombic LiMnO2 (o-LiMnO2) cathode for lithium-ion batteries is investigated. o-LiMnO2 synthesized via solid state synthesis technique is modified with LBO addition. The presence of LBO is identified via Fourier transform infrared spectroscopy analysis. o-LiMnO2 is observed to transform to a spinel-like phase during cycling which undergoes capacity fading. Studies indicate that the presence of 1-2 wt% LBO results in an improved capacity and better capacity retention with cycling. The pristine sample reveals a maximum specific capacity of 172 mAhg(-1), whereas the LBO-modified samples display about 189.1 mAhg(-1) in the cycling tests conducted at a rate of 50 mAg(-1) in the voltage range of 2-4.5 V. After 70 cycles, the LBO-modified LiMnO2 displayed higher capacity retention of 175 mAhg(-1) as compared to the pristine sample that exhibited 130 mAhg(-1). By analyzing the charge-discharge behavior, it is observed that the capacity obtained from lithium insertion into the tetrahedral sites of the spinel structure is more or less constant throughout the cycling and that the bulk of the capacity loss is resulting when lithium is inserted into the octahedral sites of the spinel structure. Impedance measurement reveals a reduced charge-transfer resistance for the LBO-modified samples suggesting that the presence of LBO is countering capacity loss arising from insertion of lithium into the octahedral sites thus contributing to the overall cycling stability.",
keywords = "Li-ion battery, Cathode material, o-LiMnO2, Surface coating, Lithium boron oxide, Capacity enhancement, ORTHORHOMBIC LIMNO2, ELECTROCHEMICAL PERFORMANCE, MANGANESE OXIDE, SPINEL, TEMPERATURES, 55-DEGREES-C, BEHAVIOR",
author = "Arun Nagasubramanian and Yu, {Denis Yau Wai} and Harry Hoster and Madhavi Srinivasan",
year = "2014",
month = jul,
doi = "10.1007/s10008-014-2421-3",
language = "English",
volume = "18",
pages = "1915--1922",
journal = "Journal of Solid State Electrochemistry",
issn = "1432-8488",
publisher = "Springer Verlag",
number = "7",

}

RIS

TY - JOUR

T1 - Enhanced cycling stability of o-LiMnO2 cathode modified by lithium boron oxide coating for lithium-ion batteries

AU - Nagasubramanian, Arun

AU - Yu, Denis Yau Wai

AU - Hoster, Harry

AU - Srinivasan, Madhavi

PY - 2014/7

Y1 - 2014/7

N2 - The effect of lithium boron oxide (LBO) coating on the electrochemical performance of orthorhombic LiMnO2 (o-LiMnO2) cathode for lithium-ion batteries is investigated. o-LiMnO2 synthesized via solid state synthesis technique is modified with LBO addition. The presence of LBO is identified via Fourier transform infrared spectroscopy analysis. o-LiMnO2 is observed to transform to a spinel-like phase during cycling which undergoes capacity fading. Studies indicate that the presence of 1-2 wt% LBO results in an improved capacity and better capacity retention with cycling. The pristine sample reveals a maximum specific capacity of 172 mAhg(-1), whereas the LBO-modified samples display about 189.1 mAhg(-1) in the cycling tests conducted at a rate of 50 mAg(-1) in the voltage range of 2-4.5 V. After 70 cycles, the LBO-modified LiMnO2 displayed higher capacity retention of 175 mAhg(-1) as compared to the pristine sample that exhibited 130 mAhg(-1). By analyzing the charge-discharge behavior, it is observed that the capacity obtained from lithium insertion into the tetrahedral sites of the spinel structure is more or less constant throughout the cycling and that the bulk of the capacity loss is resulting when lithium is inserted into the octahedral sites of the spinel structure. Impedance measurement reveals a reduced charge-transfer resistance for the LBO-modified samples suggesting that the presence of LBO is countering capacity loss arising from insertion of lithium into the octahedral sites thus contributing to the overall cycling stability.

AB - The effect of lithium boron oxide (LBO) coating on the electrochemical performance of orthorhombic LiMnO2 (o-LiMnO2) cathode for lithium-ion batteries is investigated. o-LiMnO2 synthesized via solid state synthesis technique is modified with LBO addition. The presence of LBO is identified via Fourier transform infrared spectroscopy analysis. o-LiMnO2 is observed to transform to a spinel-like phase during cycling which undergoes capacity fading. Studies indicate that the presence of 1-2 wt% LBO results in an improved capacity and better capacity retention with cycling. The pristine sample reveals a maximum specific capacity of 172 mAhg(-1), whereas the LBO-modified samples display about 189.1 mAhg(-1) in the cycling tests conducted at a rate of 50 mAg(-1) in the voltage range of 2-4.5 V. After 70 cycles, the LBO-modified LiMnO2 displayed higher capacity retention of 175 mAhg(-1) as compared to the pristine sample that exhibited 130 mAhg(-1). By analyzing the charge-discharge behavior, it is observed that the capacity obtained from lithium insertion into the tetrahedral sites of the spinel structure is more or less constant throughout the cycling and that the bulk of the capacity loss is resulting when lithium is inserted into the octahedral sites of the spinel structure. Impedance measurement reveals a reduced charge-transfer resistance for the LBO-modified samples suggesting that the presence of LBO is countering capacity loss arising from insertion of lithium into the octahedral sites thus contributing to the overall cycling stability.

KW - Li-ion battery

KW - Cathode material

KW - o-LiMnO2

KW - Surface coating

KW - Lithium boron oxide

KW - Capacity enhancement

KW - ORTHORHOMBIC LIMNO2

KW - ELECTROCHEMICAL PERFORMANCE

KW - MANGANESE OXIDE

KW - SPINEL

KW - TEMPERATURES

KW - 55-DEGREES-C

KW - BEHAVIOR

U2 - 10.1007/s10008-014-2421-3

DO - 10.1007/s10008-014-2421-3

M3 - Journal article

VL - 18

SP - 1915

EP - 1922

JO - Journal of Solid State Electrochemistry

JF - Journal of Solid State Electrochemistry

SN - 1432-8488

IS - 7

ER -