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Improved rate performance of LiNi0.5Mn1.5O4 as cathode of lithium-ion battery by Li0.33La0.56TiO3 coating.

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Title: Improved rate performance of LiNi0.5Mn1.5O4 as cathode of lithium-ion battery by Li0.33La0.56TiO3 coating.
Authors: Zhu, Yan-Rong1, Yi, Ting-Feng1 tfyihit@163.com, Li, Xiao-Ya1, Xie, Ying1 xieying@hlju.edu.cn, Luo, Shaohua1 tianyanglsh@163.com
Source: Materials Letters. Mar2019, Vol. 239, p56-58. 3p.
Subjects: Lithium-ion batteries, Cathodes, Nickel compounds, Metal coating, Sol-gel processes
Abstract: Graphical abstract Highlights • The electrochemical property of LNMO@LLTO cathode is first reported. • Prominent rate capability of LNMO@LLTO is demonstrated. • The mechanism of performance improvement is analyzed in detail. Abstract Pristine LiNi 0.5 Mn 1.5 O 4 (LNMO) and LNMO@LLTO (Li 0.33 La 0.56 TiO 3) composites were synthesized by a sol-gel process. The lattice constant of LNMO increases with the increasing coated content of LLTO. All samples show irregular morphologies, and the particle size distributes uniformly between 200 and 500 nm. The inherent characteristic of Li 0.33 La 0.56 TiO 3 with a large ionic conductivity decreases the interfacial charge transfer impedances, leading to an enhanced migration rate of Li-ions in the composite. As a cathode of LIBs, LNMO@LLTO (3 wt%) exhibits a large reversible capacity and a remarkable rate capability. Therefore, Li 0.33 La 0.56 TiO 3 modification can be considered as an effective strategy to improve the rate capability of LNMO. [ABSTRACT FROM AUTHOR]
Copyright of Materials Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 134274515
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  Data: Improved rate performance of LiNi0.5Mn1.5O4 as cathode of lithium-ion battery by Li0.33La0.56TiO3 coating.
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  Data: <searchLink fieldCode="AR" term="%22Zhu%2C+Yan-Rong%22">Zhu, Yan-Rong</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yi%2C+Ting-Feng%22">Yi, Ting-Feng</searchLink><relatesTo>1</relatesTo><i> tfyihit@163.com</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Xiao-Ya%22">Li, Xiao-Ya</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xie%2C+Ying%22">Xie, Ying</searchLink><relatesTo>1</relatesTo><i> xieying@hlju.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Luo%2C+Shaohua%22">Luo, Shaohua</searchLink><relatesTo>1</relatesTo><i> tianyanglsh@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Materials+Letters%22">Materials Letters</searchLink>. Mar2019, Vol. 239, p56-58. 3p.
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  Data: <searchLink fieldCode="DE" term="%22Lithium-ion+batteries%22">Lithium-ion batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Cathodes%22">Cathodes</searchLink><br /><searchLink fieldCode="DE" term="%22Nickel+compounds%22">Nickel compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+coating%22">Metal coating</searchLink><br /><searchLink fieldCode="DE" term="%22Sol-gel+processes%22">Sol-gel processes</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Graphical abstract Highlights • The electrochemical property of LNMO@LLTO cathode is first reported. • Prominent rate capability of LNMO@LLTO is demonstrated. • The mechanism of performance improvement is analyzed in detail. Abstract Pristine LiNi 0.5 Mn 1.5 O 4 (LNMO) and LNMO@LLTO (Li 0.33 La 0.56 TiO 3) composites were synthesized by a sol-gel process. The lattice constant of LNMO increases with the increasing coated content of LLTO. All samples show irregular morphologies, and the particle size distributes uniformly between 200 and 500 nm. The inherent characteristic of Li 0.33 La 0.56 TiO 3 with a large ionic conductivity decreases the interfacial charge transfer impedances, leading to an enhanced migration rate of Li-ions in the composite. As a cathode of LIBs, LNMO@LLTO (3 wt%) exhibits a large reversible capacity and a remarkable rate capability. Therefore, Li 0.33 La 0.56 TiO 3 modification can be considered as an effective strategy to improve the rate capability of LNMO. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials Letters is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.matlet.2018.12.070
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      – Code: eng
        Text: English
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    Subjects:
      – SubjectFull: Lithium-ion batteries
        Type: general
      – SubjectFull: Cathodes
        Type: general
      – SubjectFull: Nickel compounds
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      – SubjectFull: Metal coating
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      – SubjectFull: Sol-gel processes
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      – TitleFull: Improved rate performance of LiNi0.5Mn1.5O4 as cathode of lithium-ion battery by Li0.33La0.56TiO3 coating.
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            NameFull: Yi, Ting-Feng
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            NameFull: Li, Xiao-Ya
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            NameFull: Luo, Shaohua
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              M: 03
              Text: Mar2019
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              Y: 2019
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              Value: 239
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