Li-rich thin film cathode prepared by pulsed laser deposition.
Li-rich thin film cathode prepared by pulsed laser deposition.
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脉冲激光沉积制备富锂薄膜正极
DOI：
10.1038/srep03332
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发表时间：
2013-11-26
影响因子：
4.6
通讯作者：
Lu L
中科院分区：
文献类型：
--
作者：
Yan B;Liu J;Song B;Xiao P;Lu L
Li-rich layer-structured cathode thin films are prepared by pulsed laser deposition. X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), X-ray photoelectron spectroscopy (XPS) and electrochemical testing in half battery cells are used to characterize crystal structure, surface morphology, chemical valence states and electrochemical performance of these thin films, respectively. It is observed that partial layer to spinel transformation takes place during post annealing and the layered structure further gradually transforms to spinel during electrochemical cycling based on the analysis of dQ/dV. Electrochemical measurement shows that the thin film electrode deposited at 350 mTorr and post-annealed at 800°C possesses the best performance.
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