Influences of carbonate co-precipitation temperature and stirring time on the microstructure and electrochemical properties of Li1.2[Mn0.52Ni0.2Co0.08]O2 positive electrode for lithium ion battery

Chunlei Wang; Fei Zhou; Chong Ren; Yifeng Wang; Jizhou Kong; Youxuan Jiang; Guozhen Yan; Junxiu Li

doi:10.1016/j.ssi.2015.09.016

Influences of carbonate co-precipitation temperature and stirring time on the microstructure and electrochemical properties of Li_1.2[Mn_0.52Ni_0.2Co_0.08]O₂ positive electrode for lithium ion battery

Chunlei Wang, Fei Zhou, Chong Ren, Yifeng Wang, Jizhou Kong, Youxuan Jiang, Guozhen Yan, Junxiu Li

College of Materials Science and Engineering

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

9 Scopus citations

Abstract

The 0.6Li₂MnO₃·0.4Li [Ni_0.5Co_0.2Mn_0.3]O₂ (Li_1.2[Mn_0.52Ni_0.2Co_0.08]O₂) nanoparticles have been synthesized using a co-precipitation method. The conventional chelating agent NH₃·H₂O was replaced by environmentally friendly sodium lactate, and then the influences of carbonate co-precipitation temperature and stirring time on the microstructure and electrochemical properties of Li_1.2[Mn_0.52Ni_0.2Co_0.08]O₂-positive electrode are discussed systematically. The crystal structure, particle morphology and electrochemical properties of the as-prepared samples are studied by XRD, SEM and charge-discharge tests. The optimal material (Li_1.2[Mn_0.52Ni_0.2Co_0.08]O₂-60 °C/16 h) had a spherical particle shape and a well-ordered layered structure, as well as high tap-density and a low cation-mixing degree. In addition, the sample delivers the best electrochemical properties with a capacity retention of 96.58% (189.1 mAh g^{- 1}) after 100 cycles at 0.5C rate and the highest discharge capacity of 175.2 mAh g^{- 1} at 1C rate.

Original language	English
Pages (from-to)	96-104
Number of pages	9
Journal	Solid State Ionics
Volume	281
DOIs	https://doi.org/10.1016/j.ssi.2015.09.016
State	Published - 15 Nov 2015

Keywords

Carbonate co-precipitation
Co-precipitation temperature
Environmentally friendly chelating agent
Li[MnNiCo]O nanoparticles
Stirring time

UN SDGs

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

Access to Document

10.1016/j.ssi.2015.09.016

Cite this

@article{9a06f9c7f11947c08c68cc0382060639,

title = "Influences of carbonate co-precipitation temperature and stirring time on the microstructure and electrochemical properties of Li1.2[Mn0.52Ni0.2Co0.08]O2 positive electrode for lithium ion battery",

abstract = "The 0.6Li2MnO3·0.4Li [Ni0.5Co0.2Mn0.3]O2 (Li1.2[Mn0.52Ni0.2Co0.08]O2) nanoparticles have been synthesized using a co-precipitation method. The conventional chelating agent NH3·H2O was replaced by environmentally friendly sodium lactate, and then the influences of carbonate co-precipitation temperature and stirring time on the microstructure and electrochemical properties of Li1.2[Mn0.52Ni0.2Co0.08]O2-positive electrode are discussed systematically. The crystal structure, particle morphology and electrochemical properties of the as-prepared samples are studied by XRD, SEM and charge-discharge tests. The optimal material (Li1.2[Mn0.52Ni0.2Co0.08]O2-60 °C/16 h) had a spherical particle shape and a well-ordered layered structure, as well as high tap-density and a low cation-mixing degree. In addition, the sample delivers the best electrochemical properties with a capacity retention of 96.58% (189.1 mAh g- 1) after 100 cycles at 0.5C rate and the highest discharge capacity of 175.2 mAh g- 1 at 1C rate.",

keywords = "Carbonate co-precipitation, Co-precipitation temperature, Environmentally friendly chelating agent, Li[MnNiCo]O nanoparticles, Stirring time",

author = "Chunlei Wang and Fei Zhou and Chong Ren and Yifeng Wang and Jizhou Kong and Youxuan Jiang and Guozhen Yan and Junxiu Li",

year = "2015",

month = nov,

day = "15",

doi = "10.1016/j.ssi.2015.09.016",

language = "英语",

volume = "281",

pages = "96--104",

journal = "Solid State Ionics",

issn = "0167-2738",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Influences of carbonate co-precipitation temperature and stirring time on the microstructure and electrochemical properties of Li1.2[Mn0.52Ni0.2Co0.08]O2 positive electrode for lithium ion battery

AU - Wang, Chunlei

AU - Zhou, Fei

AU - Ren, Chong

AU - Wang, Yifeng

AU - Kong, Jizhou

AU - Jiang, Youxuan

AU - Yan, Guozhen

AU - Li, Junxiu

PY - 2015/11/15

Y1 - 2015/11/15

N2 - The 0.6Li2MnO3·0.4Li [Ni0.5Co0.2Mn0.3]O2 (Li1.2[Mn0.52Ni0.2Co0.08]O2) nanoparticles have been synthesized using a co-precipitation method. The conventional chelating agent NH3·H2O was replaced by environmentally friendly sodium lactate, and then the influences of carbonate co-precipitation temperature and stirring time on the microstructure and electrochemical properties of Li1.2[Mn0.52Ni0.2Co0.08]O2-positive electrode are discussed systematically. The crystal structure, particle morphology and electrochemical properties of the as-prepared samples are studied by XRD, SEM and charge-discharge tests. The optimal material (Li1.2[Mn0.52Ni0.2Co0.08]O2-60 °C/16 h) had a spherical particle shape and a well-ordered layered structure, as well as high tap-density and a low cation-mixing degree. In addition, the sample delivers the best electrochemical properties with a capacity retention of 96.58% (189.1 mAh g- 1) after 100 cycles at 0.5C rate and the highest discharge capacity of 175.2 mAh g- 1 at 1C rate.

AB - The 0.6Li2MnO3·0.4Li [Ni0.5Co0.2Mn0.3]O2 (Li1.2[Mn0.52Ni0.2Co0.08]O2) nanoparticles have been synthesized using a co-precipitation method. The conventional chelating agent NH3·H2O was replaced by environmentally friendly sodium lactate, and then the influences of carbonate co-precipitation temperature and stirring time on the microstructure and electrochemical properties of Li1.2[Mn0.52Ni0.2Co0.08]O2-positive electrode are discussed systematically. The crystal structure, particle morphology and electrochemical properties of the as-prepared samples are studied by XRD, SEM and charge-discharge tests. The optimal material (Li1.2[Mn0.52Ni0.2Co0.08]O2-60 °C/16 h) had a spherical particle shape and a well-ordered layered structure, as well as high tap-density and a low cation-mixing degree. In addition, the sample delivers the best electrochemical properties with a capacity retention of 96.58% (189.1 mAh g- 1) after 100 cycles at 0.5C rate and the highest discharge capacity of 175.2 mAh g- 1 at 1C rate.

KW - Carbonate co-precipitation

KW - Co-precipitation temperature

KW - Environmentally friendly chelating agent

KW - Li[MnNiCo]O nanoparticles

KW - Stirring time

UR - http://www.scopus.com/inward/record.url?scp=84943561508&partnerID=8YFLogxK

U2 - 10.1016/j.ssi.2015.09.016

DO - 10.1016/j.ssi.2015.09.016

M3 - 文章

AN - SCOPUS:84943561508

SN - 0167-2738

VL - 281

SP - 96

EP - 104

JO - Solid State Ionics

JF - Solid State Ionics

ER -