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Structure and electrical properties of lithium nickel manganese oxide (LiNi0.5Mn0.5O2) prepared by P123 assisted hydrothermal route

Title
Structure and electrical properties of lithium nickel manganese oxide (LiNi0.5Mn0.5O2) prepared by P123 assisted hydrothermal route
Authors
Kumar, PS[Kumar, P. Senthil]Sakunthala, A[Sakunthala, A.]Prabu, M[Prabu, M.]Reddy, MV[Reddy, M. V.]Joshi, R[Joshi, R.]
DGIST Authors
Prabu, M[Prabu, M.]
Issue Date
2014-12-01
Citation
Solid State Ionics, 267, 1-8
Type
Article
Article Type
Article
Keywords
Cathode MaterialCathode MaterialsConductivityElectric ConductivityHydrothermalHydrothermal RoutesLithium Nickel Manganese OxideLithium Nickel Manganese OxidesP123Polymer P123Polymers
ISSN
0167-2738
Abstract
Lithium nickel manganese oxide (LiNi0.5Mn0.5O2) cathode material was prepared using the triblock polymer Pluronic (P123) as a capping agent by hydrothermal method. The XRD analysis shows the importance of preparation conditions to prepare phase pure LiNi0.5Mn0.5O2 compound. FTIR and Raman analysis confirmed the layered hexagonal structure. SEM and particle size analysis show the presence of submicron sized particles and few percentages of nanosized particles as secondary distribution. The electrical conductivity of the compound LiNi0.5Mn0.5O2 was measured by AC impedance and four-probe DC measurements and compared. The total electrical conductivity of the compound was found to be 2.4 × 10- 6 S/cm. A mixed ionic and electronic conduction was observed from the transference number measurement. © 2014 Elsevier B.V.
URI
http://hdl.handle.net/20.500.11750/2364
DOI
10.1016/j.ssi.2014.09.002
Publisher
Elsevier B.V.
Files:
There are no files associated with this item.
Collection:
Energy Science and EngineeringAdvanced Energy Materials Laboratory1. Journal Articles


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