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Orthorhombic LiMnO2 nanorods were prepared via a simple and economical in-situ carbothermal reduction method using nanorod-like MnO2 as both template and manganese precursor. The obtained product showed high purity and excellent electrochemical performance. When used as a cathode material, it exhibited 165.3 mAh g−1 capacity with low capacity loss at 0.1C. After 40 cycles, only 7.4% of discharge capacity...
In order to significantly enhance the elevated-temperature performance of LiSi0.05Mg0.05Mn1.90O4, the LiAlxSi0.05Mg0.05Mn1.90-xO4 (0≤x≤0.08) samples were firstly prepared via sol-gel technique. All the obtained samples showed the intrinsic spinel structure without any other detectable impurity phases. Among these samples, the LiAl0.05Si0.05Mg0.05Mn1.85O4 sample was found to be optimal possessing regular...
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