期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 110, 期 23, 页码 11310-11313出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp0606356
关键词
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In-situ X-ray and AC-impedance spectra have been obtained simultaneously during the deintercalation of lithium from LiCoO2 using a specially designed electrochemical cell. The AC-dispersions have been correlated with the cell parameters obtained from the X-ray spectra. The correlation confirms previous hypothesis on the interpretation of the AC-dispersions in terms of an equivalent circuit comprising an element that relates the change of the intrinsic electronic conductivity, occurring at the early stages of deintercalation, to the semiconductor to metal transition caused by the change of the cell parameters.
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