INORGANICCHEMICALSINDUSTRY ›› 2012, Vol. 44 ›› Issue (12): 54-.
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GUO Xi-Feng, XU Han, ZHAO Qing-Yun, ZHI Xiao-Ke, HE Ai-Zhen, ZHANG Su
Published:
Abstract: A synthetic route for the preparation of Li[Ni1/2Mn1/2]O2,a cathode material of lithium ion battery,by co- precipitation method with carbonate as precursor was introduced.X-ray diffraction(XRD) was used to analyze the sample and results indicated the sample had a layer structure which was similar with LiCoO2.The particle size and morphology were characterized by scan electron microscopy(SEM),and the SEM results indicated that the sample had a regular spherical shape, and the particle size was at 5~10 μm.The result of electrochemical test showed that initial discharge specific capacity of the Li[Ni1/2Mn1/2]O2 was above 170 mA·h/g,and the specific capacity retention could keep more than 98% after 20 times charge-discharge cycles.
Key words: lithium ion battery, cathode material, Li[Ni1/2Mn1/2]O2
CLC Number:
TQ131.11
GUO Xi-Feng, XU Han, ZHAO Qing-Yun, ZHI Xiao-Ke, HE Ai-Zhen, ZHANG Su. Study on preparation and electrochemical performance of Li[Ni1/2Mn1/2]O2 [J]. INORGANICCHEMICALSINDUSTRY, 2012, 44(12): 54-.
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