Electrochemical performance of Na0.6[Li0.2Ni0.2Mn0.6]O2 cathodes with high-working average voltage for Na-ion batteries

Ezequiel De La Llave; Prasant Kumar Nayak; Elena Levi; Tirupathi Rao Penki; Shaul Bublil; Pascal Hartmann; Frederick Francois Chesneau; Miri Greenstein; Linda F. Nazar; Doron Aurbach

doi:10.1039/c6ta10577g

Electrochemical performance of Na_0.6[Li_0.2Ni_0.2Mn_0.6]O₂ cathodes with high-working average voltage for Na-ion batteries

Ezequiel De La Llave, Prasant Kumar Nayak, Elena Levi, Tirupathi Rao Penki, Shaul Bublil, Pascal Hartmann, Frederick Francois Chesneau, Miri Greenstein, Linda F. Nazar, Doron Aurbach

Department of Chemistry

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

39 Scopus citations

Abstract

Na_0.6[Li_0.2Ni_0.2Mn_0.6]O₂ is synthesized by a self-combustion reaction (SCR) and studied for the first time as a cathode material for Na-ion batteries. The Na_0.6[Li_0.2Ni_0.2Mn_0.6]O₂ cathode presents remarkable high rate capability and prolonged stability under galvanostatic cycling. A detailed analysis of X-ray diffraction (XRD) patterns at various states of cycling reveals that the excellent structural stability is due to a primarily solid-solution sodiation/desodiation mechanism of the material during cycling. Moreover, a meaningful comparison with Na_0.6MnO₂ and Na_0.6[Li_0.2Mn_0.8]O₂ reveals that the Na_0.6[Li_0.2Ni_0.2Mn_0.6]O₂ cathode achieves a very high working-average voltage that outperforms most of the lithium-doped manganese-oxide cathodes published to date.

Original language	English
Pages (from-to)	5858-5864
Number of pages	7
Journal	Journal of Materials Chemistry A
Volume	5
Issue number	12
DOIs	https://doi.org/10.1039/c6ta10577g
State	Published - 2017

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry.

Funding

L. F. N. and D. A. gratefully acknowledge funding from BASF SE for ongoing support through the BASF Research Network in Electrochemistry and Batteries. Partial support for this work was obtained from the Israel Science Foundation (ISF) as part of the INREP project, and from the Israel Ministry of Science and Technology as part of the Israel-India cooperation program.

Funders	Funder number
BASF
Israel Science Foundation
Ministry of science and technology, Israel

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10.1039/c6ta10577g

Cite this

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title = "Electrochemical performance of Na0.6[Li0.2Ni0.2Mn0.6]O2 cathodes with high-working average voltage for Na-ion batteries",

abstract = "Na0.6[Li0.2Ni0.2Mn0.6]O2 is synthesized by a self-combustion reaction (SCR) and studied for the first time as a cathode material for Na-ion batteries. The Na0.6[Li0.2Ni0.2Mn0.6]O2 cathode presents remarkable high rate capability and prolonged stability under galvanostatic cycling. A detailed analysis of X-ray diffraction (XRD) patterns at various states of cycling reveals that the excellent structural stability is due to a primarily solid-solution sodiation/desodiation mechanism of the material during cycling. Moreover, a meaningful comparison with Na0.6MnO2 and Na0.6[Li0.2Mn0.8]O2 reveals that the Na0.6[Li0.2Ni0.2Mn0.6]O2 cathode achieves a very high working-average voltage that outperforms most of the lithium-doped manganese-oxide cathodes published to date.",

author = "{De La Llave}, Ezequiel and Nayak, {Prasant Kumar} and Elena Levi and Penki, {Tirupathi Rao} and Shaul Bublil and Pascal Hartmann and Chesneau, {Frederick Francois} and Miri Greenstein and Nazar, {Linda F.} and Doron Aurbach",

note = "Publisher Copyright: {\textcopyright} The Royal Society of Chemistry.",

year = "2017",

doi = "10.1039/c6ta10577g",

language = "אנגלית",

volume = "5",

pages = "5858--5864",

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T1 - Electrochemical performance of Na0.6[Li0.2Ni0.2Mn0.6]O2 cathodes with high-working average voltage for Na-ion batteries

AU - De La Llave, Ezequiel

AU - Nayak, Prasant Kumar

AU - Levi, Elena

AU - Penki, Tirupathi Rao

AU - Bublil, Shaul

AU - Hartmann, Pascal

AU - Chesneau, Frederick Francois

AU - Greenstein, Miri

AU - Nazar, Linda F.

AU - Aurbach, Doron

PY - 2017

Y1 - 2017

N2 - Na0.6[Li0.2Ni0.2Mn0.6]O2 is synthesized by a self-combustion reaction (SCR) and studied for the first time as a cathode material for Na-ion batteries. The Na0.6[Li0.2Ni0.2Mn0.6]O2 cathode presents remarkable high rate capability and prolonged stability under galvanostatic cycling. A detailed analysis of X-ray diffraction (XRD) patterns at various states of cycling reveals that the excellent structural stability is due to a primarily solid-solution sodiation/desodiation mechanism of the material during cycling. Moreover, a meaningful comparison with Na0.6MnO2 and Na0.6[Li0.2Mn0.8]O2 reveals that the Na0.6[Li0.2Ni0.2Mn0.6]O2 cathode achieves a very high working-average voltage that outperforms most of the lithium-doped manganese-oxide cathodes published to date.

AB - Na0.6[Li0.2Ni0.2Mn0.6]O2 is synthesized by a self-combustion reaction (SCR) and studied for the first time as a cathode material for Na-ion batteries. The Na0.6[Li0.2Ni0.2Mn0.6]O2 cathode presents remarkable high rate capability and prolonged stability under galvanostatic cycling. A detailed analysis of X-ray diffraction (XRD) patterns at various states of cycling reveals that the excellent structural stability is due to a primarily solid-solution sodiation/desodiation mechanism of the material during cycling. Moreover, a meaningful comparison with Na0.6MnO2 and Na0.6[Li0.2Mn0.8]O2 reveals that the Na0.6[Li0.2Ni0.2Mn0.6]O2 cathode achieves a very high working-average voltage that outperforms most of the lithium-doped manganese-oxide cathodes published to date.

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