Porous, hollow Li1.2Mn0.53Ni0.13Co0.13O2 microspheres as a positive electrode material for Li-ion batteries

Shanmughasundaram Duraisamy, Tirupathi Rao Penki, Brij Kishore, Prabeer Barpanda, Prasant Kumar Nayak, Doron Aurbach, Nookala Munichandraiah

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A porous, hollow, microspherical composite of Li2MnO3 and LiMn1/3Co1/3Ni1/3O2 (composition: Li1.2Mn0.53Ni0.13Co0.13O2) was prepared using hollow MnO2 as the sacrificial template. The resulting composite was found to be mesoporous; its pores were about 20 nm in diameter. It also delivered a reversible discharge capacity value of 220 mAh g−1 at a specific current of 25 mA g−1 with excellent cycling stability and a high rate capability. A discharge capacity of 100 mAh g−1 was obtained for this composite at a specific current of 1000 mA g−1. The high rate capability of this hollow microspherical composite can be attributed to its porous nature. [Figure not available: see fulltext.]

LanguageEnglish
Pages437-445
Number of pages9
JournalJournal of Solid State Electrochemistry
Volume21
Issue number2
Early online date6 Sep 2016
DOIs
Publication statusPublished - 1 Feb 2017

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electrode materials
Microspheres
electric batteries
hollow
Electrodes
composite materials
Composite materials
ions
templates
porosity
cycles
Lithium-ion batteries
Chemical analysis

Keywords

  • High discharge capacity
  • High rate capability
  • Hollow microspheres
  • Lithium excess manganese oxide composite
  • Sacrificial MnO template

Cite this

Duraisamy, Shanmughasundaram ; Penki, Tirupathi Rao ; Kishore, Brij ; Barpanda, Prabeer ; Nayak, Prasant Kumar ; Aurbach, Doron ; Munichandraiah, Nookala. / Porous, hollow Li1.2Mn0.53Ni0.13Co0.13O2 microspheres as a positive electrode material for Li-ion batteries. In: Journal of Solid State Electrochemistry. 2017 ; Vol. 21, No. 2. pp. 437-445.
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Porous, hollow Li1.2Mn0.53Ni0.13Co0.13O2 microspheres as a positive electrode material for Li-ion batteries. / Duraisamy, Shanmughasundaram; Penki, Tirupathi Rao; Kishore, Brij; Barpanda, Prabeer; Nayak, Prasant Kumar; Aurbach, Doron; Munichandraiah, Nookala.

In: Journal of Solid State Electrochemistry, Vol. 21, No. 2, 01.02.2017, p. 437-445.

Research output: Contribution to journalArticle

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T1 - Porous, hollow Li1.2Mn0.53Ni0.13Co0.13O2 microspheres as a positive electrode material for Li-ion batteries

AU - Duraisamy, Shanmughasundaram

AU - Penki, Tirupathi Rao

AU - Kishore, Brij

AU - Barpanda, Prabeer

AU - Nayak, Prasant Kumar

AU - Aurbach, Doron

AU - Munichandraiah, Nookala

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AB - A porous, hollow, microspherical composite of Li2MnO3 and LiMn1/3Co1/3Ni1/3O2 (composition: Li1.2Mn0.53Ni0.13Co0.13O2) was prepared using hollow MnO2 as the sacrificial template. The resulting composite was found to be mesoporous; its pores were about 20 nm in diameter. It also delivered a reversible discharge capacity value of 220 mAh g−1 at a specific current of 25 mA g−1 with excellent cycling stability and a high rate capability. A discharge capacity of 100 mAh g−1 was obtained for this composite at a specific current of 1000 mA g−1. The high rate capability of this hollow microspherical composite can be attributed to its porous nature. [Figure not available: see fulltext.]

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KW - High rate capability

KW - Hollow microspheres

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