High rate performance of Li[Ni1/3Co1/3Mn1/3]O2 synthesized via co-precipitation method by different precipitators

Ling Liu; Naiqing Zhang; Kening Sun; Tongyong Yang

doi:10.1016/j.jpcs.2009.02.013

High rate performance of Li[Ni_1/3Co_1/3Mn_1/3]O₂ synthesized via co-precipitation method by different precipitators

Ling Liu, Naiqing Zhang, Kening Sun^*, Tongyong Yang

^*Corresponding author for this work

Harbin Institute of Technology

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

15 Citations (Scopus)

Abstract

In the present study, we investigated the effect of three different precipitators (NaOH, Na₂CO₃ and (NH₄)₂CO₃) on the synthesized layered Li[Ni_1/3Co_1/3Mn_1/3]O₂ cathode materials via co-precipitation method. The obtained compounds were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and galvanostatic charge-discharge measurements. The XRD patterns analysis showed that all the resulted Li[Ni_1/3Co_1/3Mn_1/3]O₂ materials possess a layered hexagonal structure. It was found that at high discharge rate (2C), the prepared Li[Ni_1/3Co_1/3Mn_1/3]O₂ system using Na₂CO₃ as the precipitator exhibits better cycling performance in the charge-discharge tests compared to others, indicating that Na₂CO₃ is an optimum precipitator. After 100 cycles at 2C discharge rate in the voltage range from 2.8 to 4.5 vs. Li/Li⁺, the Li[Ni_1/3Co_1/3Mn_1/3]O₂ system using Na₂CO₃ as the precipitator retains 97% of its initial discharge capacity.

Original language	English
Pages (from-to)	727-731
Number of pages	5
Journal	Journal of Physics and Chemistry of Solids
Volume	70
Issue number	3-4
DOIs	https://doi.org/10.1016/j.jpcs.2009.02.013
Publication status	Published - Mar 2009
Externally published	Yes

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title = "High rate performance of Li[Ni1/3Co1/3Mn1/3]O2 synthesized via co-precipitation method by different precipitators",

abstract = "In the present study, we investigated the effect of three different precipitators (NaOH, Na2CO3 and (NH4)2CO3) on the synthesized layered Li[Ni1/3Co1/3Mn1/3]O2 cathode materials via co-precipitation method. The obtained compounds were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and galvanostatic charge-discharge measurements. The XRD patterns analysis showed that all the resulted Li[Ni1/3Co1/3Mn1/3]O2 materials possess a layered hexagonal structure. It was found that at high discharge rate (2C), the prepared Li[Ni1/3Co1/3Mn1/3]O2 system using Na2CO3 as the precipitator exhibits better cycling performance in the charge-discharge tests compared to others, indicating that Na2CO3 is an optimum precipitator. After 100 cycles at 2C discharge rate in the voltage range from 2.8 to 4.5 vs. Li/Li+, the Li[Ni1/3Co1/3Mn1/3]O2 system using Na2CO3 as the precipitator retains 97% of its initial discharge capacity.",

author = "Ling Liu and Naiqing Zhang and Kening Sun and Tongyong Yang",

year = "2009",

month = mar,

doi = "10.1016/j.jpcs.2009.02.013",

language = "English",

volume = "70",

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journal = "Journal of Physics and Chemistry of Solids",

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T1 - High rate performance of Li[Ni1/3Co1/3Mn1/3]O2 synthesized via co-precipitation method by different precipitators

AU - Liu, Ling

AU - Zhang, Naiqing

AU - Sun, Kening

AU - Yang, Tongyong

PY - 2009/3

Y1 - 2009/3

N2 - In the present study, we investigated the effect of three different precipitators (NaOH, Na2CO3 and (NH4)2CO3) on the synthesized layered Li[Ni1/3Co1/3Mn1/3]O2 cathode materials via co-precipitation method. The obtained compounds were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and galvanostatic charge-discharge measurements. The XRD patterns analysis showed that all the resulted Li[Ni1/3Co1/3Mn1/3]O2 materials possess a layered hexagonal structure. It was found that at high discharge rate (2C), the prepared Li[Ni1/3Co1/3Mn1/3]O2 system using Na2CO3 as the precipitator exhibits better cycling performance in the charge-discharge tests compared to others, indicating that Na2CO3 is an optimum precipitator. After 100 cycles at 2C discharge rate in the voltage range from 2.8 to 4.5 vs. Li/Li+, the Li[Ni1/3Co1/3Mn1/3]O2 system using Na2CO3 as the precipitator retains 97% of its initial discharge capacity.

AB - In the present study, we investigated the effect of three different precipitators (NaOH, Na2CO3 and (NH4)2CO3) on the synthesized layered Li[Ni1/3Co1/3Mn1/3]O2 cathode materials via co-precipitation method. The obtained compounds were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and galvanostatic charge-discharge measurements. The XRD patterns analysis showed that all the resulted Li[Ni1/3Co1/3Mn1/3]O2 materials possess a layered hexagonal structure. It was found that at high discharge rate (2C), the prepared Li[Ni1/3Co1/3Mn1/3]O2 system using Na2CO3 as the precipitator exhibits better cycling performance in the charge-discharge tests compared to others, indicating that Na2CO3 is an optimum precipitator. After 100 cycles at 2C discharge rate in the voltage range from 2.8 to 4.5 vs. Li/Li+, the Li[Ni1/3Co1/3Mn1/3]O2 system using Na2CO3 as the precipitator retains 97% of its initial discharge capacity.

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DO - 10.1016/j.jpcs.2009.02.013

M3 - Article

AN - SCOPUS:67349114878

SN - 0022-3697

VL - 70

SP - 727

EP - 731

JO - Journal of Physics and Chemistry of Solids

JF - Journal of Physics and Chemistry of Solids

IS - 3-4

ER -

High rate performance of Li[Ni_1/3Co_1/3Mn_1/3]O₂ synthesized via co-precipitation method by different precipitators

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