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- W2387308082 abstract "Spinel LiMn2O4 thin films were prepared by sol-gel spin coating method coating the lithium/manganese acetates-containing precursor solution on a stainless steel substrate at different annealing temperatures. The structure and morphology of the thin films were investigated by XRD and SEM. The electrochemical property was also investigated. The results show that the structure, morphology and electrochemical property of the thin films are highly related to the annealing temperature. The surface morphology of thin films annealed at 500, 650, 700 ℃ and 750 ℃ respectively, all of them take on a wrinkle-like microstructure; with annealing at 650 ℃ or lower, the surface morphology is homogeneous and crack-free. The sizes of grains increase notably with the rise of annealing temperature,and so do the crystallization.When the annealing temperature rises to 650 ℃, the film is pure spinel LiMn2O4 and has optimal electrochemical property: its initial discharge special capacity is 35.9 mAh/cm2贰m at 50 mA/cm2. After 20 cycles, the discharge special capacity turns to 33.8 mAh/cm2贰m, and 93.6% of capacity is kept." @default.
- W2387308082 created "2016-06-24" @default.
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- W2387308082 date "2008-01-01" @default.
- W2387308082 modified "2023-09-23" @default.
- W2387308082 title "Effect of annealing temperature on structure, morphology and electrochemical property of LiMn_2O_4 thin films" @default.
- W2387308082 hasPublicationYear "2008" @default.
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