Battery-active monoclinic Li2MnSiO4 synthesized via temperature programmed reaction

Kesavan, K. Shree; Michael, M. S.; Prabaharan, S. R. S.

doi:10.1016/j.jtice.2019.10.008

Cited by 6 publications

(1 citation statement)

References 31 publications

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“…Since the formation energies of different polymorphs are very close, the synthesis of single-phase Li 2 MnSiO 4 is considered a challenging task. 17 Metal ion doping is an effective method to improve the conductivity of materials by generating internal lattice defects. Wang D et al proposed a mechanism for doping high-valent metal ions to improve electrical conductivity: the doping radius of high-valent metal ions is smaller than Li + and Mn 2+ , thus replacing Li or Mn sites in the crystal lattice.…”

Section: Introductionmentioning

confidence: 99%

Preparation and electrochemical performance of Li ₂ MnSiO ₄ cathode material doped with chromium on manganese site

Wang

Luo

et al. 2021

Int J Energy Res

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In this work, Li 2 Mn 1-x Cr x SiO 4 cathode material was synthesized by the solidphase doping method and two-step calcination. The appropriate calcination temperature can be obtained by TG-DTA curve. XRD, SEM and TEM tests show that the prepared Li 2 Mn 1-x Cr x SiO 4 has a Pmn2 1 space group structure, and the particle size decreases from 570 to 140 nm with the increase of the doped Cr content. Cr doping enhances the structural stability of Li 2 Mn 1-x Cr x SiO 4 and improves the electrochemical activity of the cathode. The results of XRD, EDS and XPS show that Cr 3+ is successfully doped into the Li 2 MnSiO 4 lattice, and the element distribution is uniform. The electrochemical results show that Li 2 Mn 0.8 Cr 0.2 SiO 4 exhibits significantly enhanced cycle stability and discharge capability.

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Section: Introductionmentioning

confidence: 99%

Preparation and electrochemical performance of Li ₂ MnSiO ₄ cathode material doped with chromium on manganese site

Wang

Luo

et al. 2021

Int J Energy Res

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A Critical Review on Electrochemical Properties and Significance of Orthosilicate‐Based Cathode Materials for Rechargeable Li/Na/Mg Batteries and Hybrid Supercapacitors

2021

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The polyanion orthosilicates such as Li2XSiO4 (X=Fe, Mn, Co, Ni), Na2XSiO4 (X=Fe, Mn, Co, Ni) and MgXSiO4 (X=Fe, Mn, Co, Ni) have been considered as viable cathode materials for the Li/Na/Mg batteries and hybrid supercapacitors. Significant capacity fading, structural instability, and low conductivity are the major impediments in silicate‐based cathode materials, which limit their practical applicability and industrial implementation. Identifying the source of capacity fading in these compounds upon cycling would offer better insight which merely reporting in previous efforts. The primary aim of this systematic review is to provide a clear insight on structure, morphology, electrical and electrochemical advances, and major impediments in the Li2XSiO4, Na2XSiO4 and MgXSiO4 type electrode materials. This study also compared the electrochemical results of various orthosilicate materials and discussed the mechanism of structural fracture during cycling. Among the numerous silicates, Li2FeSiO4 and Li2MnSiO4 are considered as promising cathode materials for advanced LIBs. This review also offers future opportunities and possible solutions to the structural and electrochemical inhibitions in Li2XSiO4, Na2XSiO4 and MgXSiO4 based‐electrodes for the development of rechargeable Li/Na/Mg batteries and hybrid supercapacitors.

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High rate capability and thermal stability of monoclinic-Li2MnSiO4 – A promising high capacity cathode material for lithium batteries

Kesavan¹,

Michael²

2022

J Solid State Electrochem

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Battery-active monoclinic Li2MnSiO4 synthesized via temperature programmed reaction

Cited by 6 publications

References 31 publications

Preparation and electrochemical performance of Li ₂ MnSiO ₄ cathode material doped with chromium on manganese site

Preparation and electrochemical performance of Li ₂ MnSiO ₄ cathode material doped with chromium on manganese site

A Critical Review on Electrochemical Properties and Significance of Orthosilicate‐Based Cathode Materials for Rechargeable Li/Na/Mg Batteries and Hybrid Supercapacitors

High rate capability and thermal stability of monoclinic-Li2MnSiO4 – A promising high capacity cathode material for lithium batteries

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Battery-active monoclinic Li2MnSiO4 synthesized via temperature programmed reaction

Cited by 6 publications

References 31 publications

Preparation and electrochemical performance of Li 2 MnSiO 4 cathode material doped with chromium on manganese site

Preparation and electrochemical performance of Li 2 MnSiO 4 cathode material doped with chromium on manganese site

A Critical Review on Electrochemical Properties and Significance of Orthosilicate‐Based Cathode Materials for Rechargeable Li/Na/Mg Batteries and Hybrid Supercapacitors

High rate capability and thermal stability of monoclinic-Li2MnSiO4 – A promising high capacity cathode material for lithium batteries

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Preparation and electrochemical performance of Li ₂ MnSiO ₄ cathode material doped with chromium on manganese site

Preparation and electrochemical performance of Li ₂ MnSiO ₄ cathode material doped with chromium on manganese site