Mn as a Substituted Cation in LiCoO2 Cathode Materials

Azira Azahidi; Kelimah Elong; Nurhanna Badar; Nurul Atikah Mohd Mokhtar; Rusdi Roshidah; Norlida Kamarulzaman

doi:10.4028/www.scientific.net/AMR.545.204

Paper Titles

Synthesis and Battery Studies of Sodium Cobalt Oxides, NaCoO₂ Cathodes
p.185

Characterisation of Lithium Aluminium Titanium Phosphate as Solid Electrolytes Synthesized by Mechanical Milling Method
p.190

Synthesis and Electrochemical Behaviour of Lithium Manganese Vanadates
p.195

Synthesis and Electrochemical Behaviour of LiMn_(2-x)Zn_xO₄ Cathode Materials
p.199

Mn as a Substituted Cation in LiCoO₂ Cathode Materials
p.204

Investigation of the Overlithiation of Layered LiNi_0.7Co_0.2Fe_0.1O₂ Material
p.209

Influence of Carbon Additives on Cathode Materials, LiCoO₂ and LiMn₂O₄
p.214

Titanium Dioxide (TiO₂) Films by Anodic Oxidation in Phosphoric Acid
p.223

Effects of Ramp Rates with Short Holding Time on the Sinterability of Hydroxyapatite
p.229

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 545Mn as a Substituted Cation in LiCoO2 Cathode...

Mn as a Substituted Cation in LiCoO₂ Cathode Materials

Abstract:

LiCoO₂ is the commercial cathode material for Li-ion battery application with many advantages such as ease of preparation and good electrochemical properties. However, it has some limitations especially Co being expensive and toxic. Therefore, the substitution of Co in the LiCoO₂ by non-toxic and inexpensive transition metal elements will be an improvement. Partial substitution of Co by Mn has been done in this work via the self-propagating combustion (SPC) method. The materials are then characterized. The materials obtained were phase pure but the electrochemical discharge capacity is about 24 – 27 % less than that of LiCoO₂. However, the cycling behaviour of LiCo_0.9Mn_0.1O₂ and LiCo_0.8Mn_0.2O₂ over 15 cycles improved over that of LiCoO₂.

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Periodical:

Advanced Materials Research (Volume 545)

Pages:

204-208

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.545.204

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Online since:

July 2012

Authors:

Azira Azahidi, Kelimah Elong, Nurhanna Badar, Nurul Atikah Mohd Mokhtar, Rusdi Roshidah, Norlida Kamarulzaman

Keywords:

Cathode, LiCoO₂, Lithium Batteries

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