Unravelling the growth mechanism of hierarchically structured Ni1/3Co1/3Mn1/3(OH)2 and their application as precursors for high-power cathode materials

Weibo Hua; Wenyuan Liu; Mingzhe Chen; Sylvio Indris; Zhuo Zheng; Xiaodong Guo; Michael Bruns; Tai Hsien Wu; Yanxiao Chen; Benhe Zhong; Shulei Chou; Yong Mook Kang; Helmut Ehrenberg

doi:10.1016/j.electacta.2017.02.105

Unravelling the growth mechanism of hierarchically structured Ni_1/3Co_1/3Mn_1/3(OH)₂ and their application as precursors for high-power cathode materials

Weibo Hua
, Wenyuan Liu
, Mingzhe Chen
, Sylvio Indris
, Zhuo Zheng
, Xiaodong Guo
, Michael Bruns
, Tai Hsien Wu
, Yanxiao Chen
, Benhe Zhong
, Shulei Chou
, Yong Mook Kang
, Helmut Ehrenberg

Sichuan University
Karlsruhe Institute of Technology
University of Wollongong
Western Michigan University
Dongguk University

科研成果: 期刊稿件 › 文章 › 同行评审

101 引用（Scopus）

摘要

A hydroxide co-precipitation method is used to synthesize transition metal hydroxide (Ni_1/3Co_1/3Mn_1/3(OH)₂), which is the precursor for layer-structured LiNi_1/3Co_1/3Mn_1/3O₂. The optimum pH range for the preparation of Ni_1/3Co_1/3Mn_1/3(OH)₂ using a continuous stirred-tank reactor is calculated by taking into account the underlying chemical equilibria. The entire growth process of the Ni_1/3Co_1/3Mn_1/3(OH)₂ particles is investigated by monitoring the structure, morphology, particle size distribution, and tap density as a function of the reaction time. The results confirm that the co-precipitation reaction in the presence of ammonia started with the formation of crystal nuclei and (001) plane dominated nanosheets. The reaction ended with spherical and dense hydroxide precursors. The crystal growth mechanism was interpreted during the co-precipitation process, which involved the quick nucleation of primary particles followed by its slow aggregation and crystallization. The electrochemical properties of the final cathode materials with different morphologies are also studied. The results show that the electrochemical performances of the final LiNi_1/3Co_1/3Mn_1/3O₂ are strongly affected by the hierarchical structure of Ni_1/3Co_1/3Mn_1/3(OH)₂.

源语言	英语
页（从-至）	123-131
页数	9
期刊	Electrochimica Acta
卷	232
DOI	https://doi.org/10.1016/j.electacta.2017.02.105
出版状态	已出版 - 1 4月 2017
已对外发布	是

联合国可持续发展目标

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可持续发展目标 7 经济适用的清洁能源

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10.1016/j.electacta.2017.02.105

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Hua, W., Liu, W., Chen, M., Indris, S., Zheng, Z., Guo, X., Bruns, M., Wu, T. H., Chen, Y., Zhong, B., Chou, S., Kang, Y. M., & Ehrenberg, H. (2017). Unravelling the growth mechanism of hierarchically structured Ni_1/3Co_1/3Mn_1/3(OH)₂ and their application as precursors for high-power cathode materials. Electrochimica Acta, 232, 123-131. https://doi.org/10.1016/j.electacta.2017.02.105

@article{7774cb00cbd244b5abc8d2c258ce9a2b,

title = "Unravelling the growth mechanism of hierarchically structured Ni1/3Co1/3Mn1/3(OH)2 and their application as precursors for high-power cathode materials",

abstract = "A hydroxide co-precipitation method is used to synthesize transition metal hydroxide (Ni1/3Co1/3Mn1/3(OH)2), which is the precursor for layer-structured LiNi1/3Co1/3Mn1/3O2. The optimum pH range for the preparation of Ni1/3Co1/3Mn1/3(OH)2 using a continuous stirred-tank reactor is calculated by taking into account the underlying chemical equilibria. The entire growth process of the Ni1/3Co1/3Mn1/3(OH)2 particles is investigated by monitoring the structure, morphology, particle size distribution, and tap density as a function of the reaction time. The results confirm that the co-precipitation reaction in the presence of ammonia started with the formation of crystal nuclei and (001) plane dominated nanosheets. The reaction ended with spherical and dense hydroxide precursors. The crystal growth mechanism was interpreted during the co-precipitation process, which involved the quick nucleation of primary particles followed by its slow aggregation and crystallization. The electrochemical properties of the final cathode materials with different morphologies are also studied. The results show that the electrochemical performances of the final LiNi1/3Co1/3Mn1/3O2 are strongly affected by the hierarchical structure of Ni1/3Co1/3Mn1/3(OH)2.",

keywords = "Growth mechanism, cathode material, hydroxide co-precipitation, lithium ion battery, precursor",

author = "Weibo Hua and Wenyuan Liu and Mingzhe Chen and Sylvio Indris and Zhuo Zheng and Xiaodong Guo and Michael Bruns and Wu, \{Tai Hsien\} and Yanxiao Chen and Benhe Zhong and Shulei Chou and Kang, \{Yong Mook\} and Helmut Ehrenberg",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd",

year = "2017",

month = apr,

day = "1",

doi = "10.1016/j.electacta.2017.02.105",

language = "英语",

volume = "232",

pages = "123--131",

journal = "Electrochimica Acta",

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Hua, W, Liu, W, Chen, M, Indris, S, Zheng, Z, Guo, X, Bruns, M, Wu, TH, Chen, Y, Zhong, B, Chou, S, Kang, YM & Ehrenberg, H 2017, 'Unravelling the growth mechanism of hierarchically structured Ni_1/3Co_1/3Mn_1/3(OH)₂ and their application as precursors for high-power cathode materials', Electrochimica Acta, 卷 232, 页码 123-131. https://doi.org/10.1016/j.electacta.2017.02.105

TY - JOUR

T1 - Unravelling the growth mechanism of hierarchically structured Ni1/3Co1/3Mn1/3(OH)2 and their application as precursors for high-power cathode materials

AU - Hua, Weibo

AU - Liu, Wenyuan

AU - Chen, Mingzhe

AU - Indris, Sylvio

AU - Zheng, Zhuo

AU - Guo, Xiaodong

AU - Bruns, Michael

AU - Wu, Tai Hsien

AU - Chen, Yanxiao

AU - Zhong, Benhe

AU - Chou, Shulei

AU - Kang, Yong Mook

AU - Ehrenberg, Helmut

PY - 2017/4/1

Y1 - 2017/4/1

N2 - A hydroxide co-precipitation method is used to synthesize transition metal hydroxide (Ni1/3Co1/3Mn1/3(OH)2), which is the precursor for layer-structured LiNi1/3Co1/3Mn1/3O2. The optimum pH range for the preparation of Ni1/3Co1/3Mn1/3(OH)2 using a continuous stirred-tank reactor is calculated by taking into account the underlying chemical equilibria. The entire growth process of the Ni1/3Co1/3Mn1/3(OH)2 particles is investigated by monitoring the structure, morphology, particle size distribution, and tap density as a function of the reaction time. The results confirm that the co-precipitation reaction in the presence of ammonia started with the formation of crystal nuclei and (001) plane dominated nanosheets. The reaction ended with spherical and dense hydroxide precursors. The crystal growth mechanism was interpreted during the co-precipitation process, which involved the quick nucleation of primary particles followed by its slow aggregation and crystallization. The electrochemical properties of the final cathode materials with different morphologies are also studied. The results show that the electrochemical performances of the final LiNi1/3Co1/3Mn1/3O2 are strongly affected by the hierarchical structure of Ni1/3Co1/3Mn1/3(OH)2.

AB - A hydroxide co-precipitation method is used to synthesize transition metal hydroxide (Ni1/3Co1/3Mn1/3(OH)2), which is the precursor for layer-structured LiNi1/3Co1/3Mn1/3O2. The optimum pH range for the preparation of Ni1/3Co1/3Mn1/3(OH)2 using a continuous stirred-tank reactor is calculated by taking into account the underlying chemical equilibria. The entire growth process of the Ni1/3Co1/3Mn1/3(OH)2 particles is investigated by monitoring the structure, morphology, particle size distribution, and tap density as a function of the reaction time. The results confirm that the co-precipitation reaction in the presence of ammonia started with the formation of crystal nuclei and (001) plane dominated nanosheets. The reaction ended with spherical and dense hydroxide precursors. The crystal growth mechanism was interpreted during the co-precipitation process, which involved the quick nucleation of primary particles followed by its slow aggregation and crystallization. The electrochemical properties of the final cathode materials with different morphologies are also studied. The results show that the electrochemical performances of the final LiNi1/3Co1/3Mn1/3O2 are strongly affected by the hierarchical structure of Ni1/3Co1/3Mn1/3(OH)2.

KW - Growth mechanism

KW - cathode material

KW - hydroxide co-precipitation

KW - lithium ion battery

KW - precursor

UR - https://www.scopus.com/pages/publications/85014376937

U2 - 10.1016/j.electacta.2017.02.105

DO - 10.1016/j.electacta.2017.02.105

M3 - 文章

AN - SCOPUS:85014376937

SN - 0013-4686

VL - 232

SP - 123

EP - 131

JO - Electrochimica Acta

JF - Electrochimica Acta

ER -

Unravelling the growth mechanism of hierarchically structured Ni1/3Co1/3Mn1/3(OH)2 and their application as precursors for high-power cathode materials

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Unravelling the growth mechanism of hierarchically structured Ni_1/3Co_1/3Mn_1/3(OH)₂ and their application as precursors for high-power cathode materials