Studies of a layered-spinel Li[Ni1/3Mn2/3]O2 cathode material for Li-ion batteries synthesized by a hydrothermal precipitation

Prasant Kumar Nayak; Judith Grinblat; Mikhael Levi; Elena Levi; David Zitoun; Boris Markovsky; Doron Aurbach

doi:https://doi.org/10.1016/j.mseb.2016.04.012

Studies of a layered-spinel Li[Ni_1/3Mn_2/3]O₂ cathode material for Li-ion batteries synthesized by a hydrothermal precipitation

Prasant Kumar Nayak, Judith Grinblat, Mikhael Levi, Elena Levi, David Zitoun, Boris Markovsky, Doron Aurbach

Department of Chemistry

Bar-Ilan University

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

Abstract

This work continues our research on integrated “layered-spinel” high-capacity cathode material Li[Ni_1/3Mn_2/3]O₂ [30]. This material operated at potentials >4.6 V and demonstrated an advantageous cycling stability compared to high-voltage spinel LiNi_0.5Mn_1.5O₄. In the present study, the Li[Ni_1/3Mn_2/3]O₂ material was synthesized by a hydrothermal precipitation. The Rietveld analysis of XRD patterns indicated the presence of two layered structure phases: a monoclinic Li₂MnO₃ (about 58%) and a rhombohedral LiNiO₂ (24%), along with spinel LiNi_0.5Mn_1.5O₄ (17%) and rock salt Li_0.2Mn_0.2Ni_0.5O (1%) phases. We demonstrate an interesting phenomenon of this electrode activation upon cycling from 100 to 220 mAh g⁻¹ in the potential range of 2.3–4.9 V and stabilization followed by lowering the capacity to 89.5% of the maximal value after 100 cycles. It is suggested that the high capacity resulted from the activation of Li[Li_1/3Mn_2/3]O₂ and participation of spinel component upon cycling to potential ≥4.5 V.

Original language	English
Pages (from-to)	131-139
Number of pages	9
Journal	Materials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume	213
DOIs	https://doi.org/10.1016/j.mseb.2016.04.012
State	Published - 1 Nov 2016

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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https://doi.org/10.1016/j.mseb.2016.04.012

Cite this

@article{91b1bb20bfdb490395ccd5e0411e574e,

title = "Studies of a layered-spinel Li[Ni1/3Mn2/3]O2 cathode material for Li-ion batteries synthesized by a hydrothermal precipitation",

abstract = "This work continues our research on integrated “layered-spinel” high-capacity cathode material Li[Ni1/3Mn2/3]O2 [30]. This material operated at potentials >4.6 V and demonstrated an advantageous cycling stability compared to high-voltage spinel LiNi0.5Mn1.5O4. In the present study, the Li[Ni1/3Mn2/3]O2 material was synthesized by a hydrothermal precipitation. The Rietveld analysis of XRD patterns indicated the presence of two layered structure phases: a monoclinic Li2MnO3 (about 58%) and a rhombohedral LiNiO2 (24%), along with spinel LiNi0.5Mn1.5O4 (17%) and rock salt Li0.2Mn0.2Ni0.5O (1%) phases. We demonstrate an interesting phenomenon of this electrode activation upon cycling from 100 to 220 mAh g−1 in the potential range of 2.3–4.9 V and stabilization followed by lowering the capacity to 89.5% of the maximal value after 100 cycles. It is suggested that the high capacity resulted from the activation of Li[Li1/3Mn2/3]O2 and participation of spinel component upon cycling to potential ≥4.5 V.",

author = "Nayak, {Prasant Kumar} and Judith Grinblat and Mikhael Levi and Elena Levi and David Zitoun and Boris Markovsky and Doron Aurbach",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier B.V.",

year = "2016",

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doi = "https://doi.org/10.1016/j.mseb.2016.04.012",

language = "الإنجليزيّة",

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Studies of a layered-spinel Li[Ni_1/3Mn_2/3]O₂ cathode material for Li-ion batteries synthesized by a hydrothermal precipitation. / Nayak, Prasant Kumar; Grinblat, Judith; Levi, Mikhael et al.
In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology, Vol. 213, 01.11.2016, p. 131-139.

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

TY - JOUR

T1 - Studies of a layered-spinel Li[Ni1/3Mn2/3]O2 cathode material for Li-ion batteries synthesized by a hydrothermal precipitation

AU - Nayak, Prasant Kumar

AU - Grinblat, Judith

AU - Levi, Mikhael

AU - Levi, Elena

AU - Zitoun, David

AU - Markovsky, Boris

AU - Aurbach, Doron

PY - 2016/11/1

Y1 - 2016/11/1

N2 - This work continues our research on integrated “layered-spinel” high-capacity cathode material Li[Ni1/3Mn2/3]O2 [30]. This material operated at potentials >4.6 V and demonstrated an advantageous cycling stability compared to high-voltage spinel LiNi0.5Mn1.5O4. In the present study, the Li[Ni1/3Mn2/3]O2 material was synthesized by a hydrothermal precipitation. The Rietveld analysis of XRD patterns indicated the presence of two layered structure phases: a monoclinic Li2MnO3 (about 58%) and a rhombohedral LiNiO2 (24%), along with spinel LiNi0.5Mn1.5O4 (17%) and rock salt Li0.2Mn0.2Ni0.5O (1%) phases. We demonstrate an interesting phenomenon of this electrode activation upon cycling from 100 to 220 mAh g−1 in the potential range of 2.3–4.9 V and stabilization followed by lowering the capacity to 89.5% of the maximal value after 100 cycles. It is suggested that the high capacity resulted from the activation of Li[Li1/3Mn2/3]O2 and participation of spinel component upon cycling to potential ≥4.5 V.

AB - This work continues our research on integrated “layered-spinel” high-capacity cathode material Li[Ni1/3Mn2/3]O2 [30]. This material operated at potentials >4.6 V and demonstrated an advantageous cycling stability compared to high-voltage spinel LiNi0.5Mn1.5O4. In the present study, the Li[Ni1/3Mn2/3]O2 material was synthesized by a hydrothermal precipitation. The Rietveld analysis of XRD patterns indicated the presence of two layered structure phases: a monoclinic Li2MnO3 (about 58%) and a rhombohedral LiNiO2 (24%), along with spinel LiNi0.5Mn1.5O4 (17%) and rock salt Li0.2Mn0.2Ni0.5O (1%) phases. We demonstrate an interesting phenomenon of this electrode activation upon cycling from 100 to 220 mAh g−1 in the potential range of 2.3–4.9 V and stabilization followed by lowering the capacity to 89.5% of the maximal value after 100 cycles. It is suggested that the high capacity resulted from the activation of Li[Li1/3Mn2/3]O2 and participation of spinel component upon cycling to potential ≥4.5 V.

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M3 - مقالة

SN - 0921-5107

VL - 213

SP - 131

EP - 139

JO - Materials Science and Engineering B: Solid-State Materials for Advanced Technology

JF - Materials Science and Engineering B: Solid-State Materials for Advanced Technology

ER -

Studies of a layered-spinel Li[Ni_1/3Mn_2/3]O₂ cathode material for Li-ion batteries synthesized by a hydrothermal precipitation

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