Microscopic mechanism of path-dependence on charge–discharge history in lithium iron phosphate cathode analysis using scanning transmission electron microscopy and electron energy-loss spectroscopy spectral imaging

作者: Tsuyoshi Sasaki , Yoshitake Honda , Shunsuke Muto , Kazuyoshi Tatsumi , Hiroki Kondo

DOI: 10.1016/J.JPOWSOUR.2015.04.183

关键词: SpectroscopyLithium iron phosphateElectronIonic conductivityChemistryCathodeAnalytical chemistryEnergy filtered transmission electron microscopyElectron energy loss spectroscopyScanning transmission electron microscopy

摘要: We revisited the “path-dependence” problem, ie, the differing polarization observed in LiFePO 4 cathode charge/discharge curves depending on the electrochemical treatment history of …

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