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dc.contributor.authorZhuang, Quanchao
dc.contributor.author庄全超
dc.contributor.authorFan, Xiaoyong
dc.contributor.author樊小勇
dc.contributor.authorXu, Jinmei
dc.contributor.author许金梅
dc.contributor.authorChen, Zuofeng
dc.contributor.author陈作锋
dc.contributor.authorDong, Quanfeng
dc.contributor.author董全峰
dc.contributor.authorJiang, Yanxia
dc.contributor.author姜艳霞
dc.contributor.authorHuang, Ling
dc.contributor.author黄令
dc.contributor.authorSun, Shigang
dc.contributor.author孙世刚
dc.date.accessioned2011-10-08T14:01:25Z
dc.date.available2011-10-08T14:01:25Z
dc.date.issued2006
dc.identifier.citationACTA PHYSICO-CHIMICA SINICA,2006,22(2):234-238zh_CN
dc.identifier.issn1000-6818
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/10875
dc.description.abstractThe first delithiation of the spinel LiMn2O4 electrode was studied using electrochemical impedance spectroscopy (EIS). Appropriate equivalent circuits were proposed to fit the experimental EIS data. Based on the fitting results, the variation of the capacitance and the resistance of SEI (solid electrolyte interphase) film, the resistance of charge transfer, and the capacitance of double layer along with the increase of polarization potential were quantitatively analyzed. The results demonstrated that the resistance and the thickness of the SEI film formed on the spinel LiMn2O4 electrode were both increased with the increase of polarization potential in the first delithiation of the spinel LiMn2O4 electrode; The charge transfer resistance decreases below 4.15 V and increases above 4.15 V, corresponding to the two-step reversible (de)intercalation of lithium between LiMn2O4 and lambda-MnO2; The double layer capacitance was influenced by both the state of the spinel LiMn2O4 electrode (different polarization potential) and the two-step reversible (de)intercalation of lithium.zh_CN
dc.language.isozhzh_CN
dc.publisherPEKING UNIV PRESSzh_CN
dc.subjectLi-ion batterieszh_CN
dc.subjectspinel lithium manganese oxide electrodezh_CN
dc.subjectelectrochemical impedance spectroscopyzh_CN
dc.subjectSEI filmzh_CN
dc.titleElectrochemical impedance spectroscopic study of the first delithiation of spinel lithium manganese oxidezh_CN
dc.typeArticlezh_CN


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