Electrochemical impedance study of lithium intercalation into MCMB electrode in a gel electrolyte
作者： Pengfei Shi , Sen Zhang
DOI: 10.1016/J.ELECTACTA.2003.10.033
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摘要: Abstract An electrochemical impedance investigation is made on the first lithium intercalation kinetics of mesocarbon microbeads (MCMB) heat-treated at high temperature (2800 °C) as electrode in a gel electrolyte. The electrolyte synthesized from mixture containing reactive monomers an organic solution. Once charge ion proceeds, solid interface (SEI) formed MCMB electrode, and its thickness increases during charging. growth SEI resistance indicated by means ac measurements. Studies stored fully intercalated state showed that part extra consumed prolonged storage could be attributed to deintercalation bulk subsequent reaction with
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