Structure and Electrochemical Properties of O3-Type Layered LixMn0.5Ni0.25Ti0.25O2 Prepared by Ion-Exchange

Naoya Ishida; Hiroshi Hayakawa; Junji Akimoto; Hideka Shibuya; Junichi Imaizumi

doi:10.4028/www.scientific.net/KEM.566.123

Paper Titles

Microstructure and Electrochemical Properties of Lithium Titanate Particles Prepared by Solid State Reaction of Li and Spherical TiO₂ Powders
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Synthesis and Electrochemical Properties of Porous Titania Fabricated from Nanosheets
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Electrode Properties of Nickel-Aluminum Layered Double Hydroxides in Aqueous Electrolyte Solutions
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Electrochemical Properties of Fe₂O₃/Ga₂O₃ Composite Electrodes for Lithium-Ion Batteries
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Structure and Electrochemical Properties of O3-Type Layered Li_xMn_0.5Ni_0.25Ti_0.25O₂ Prepared by Ion-Exchange
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Synthesis and Characterization of Ramsdellite Type Lithium Titanate Anode Materials by Spray Pyrolysis
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Effect of Heat Treatment on Charge-Discharge Property of Fluoride Cathode Materials for Li Ion Secondary Batteries
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Preparation of Ce_0.8Sm_0.2O_1.9 Thin Films by Electrophoretic Deposition and their Fuel Cell Performance
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Microscopic Conduction Behavior Analysis on ZrO₂-Based Ion Conductors by Wideband Conductivity Measurement
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 566Structure and Electrochemical Properties of...

Structure and Electrochemical Properties of O3-Type Layered Li_xMn_0.5Ni_0.25Ti_0.25O₂ Prepared by Ion-Exchange

Abstract:

Li_0.55Na_0.03Mn_0.5Ni_0.25Ti_0.25O₂ was prepared via Na/Li ion exchange from Na_0.7Mn_0.5Ni_0.25Ti_0.25O₂ as a starting compound. Li_0.55Na_0.03Mn_0.5Ni_0.25Ti_0.25O₂ is a layered rocksalt-type oxide with the O3 structure. The electrochemical lithium insertion/extraction properties of O3-Li_0.55Na_0.03Mn_0.5Ni_0.25Ti_0.25O₂ exhibits a reversible capacity of approximately 190 mAh g^-1 in the voltage range between 2.0 and 4.8 V. The voltage profile consists of two plateaus around 4.0 and 3.0 V. The layered structure remains unchanged and does not transform to the spinel structure during cycling.

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Key Engineering Materials (Volume 566)

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123-126

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https://doi.org/10.4028/www.scientific.net/KEM.566.123

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Online since:

July 2013

Authors:

Naoya Ishida, Hiroshi Hayakawa, Junji Akimoto, Hideka Shibuya, Junichi Imaizumi

Keywords:

Crystal Structure, Layered Rocksalt-Type Oxide, Lithium-Ion Battery, Positive Electrode

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