Abstract
In the present study, we prepared new Li-ion batteries with inorganic membrane-coated electrodes fabricated by the direct coating of a 400-nm-sized Al2O3 particles onto the anodes and studied their charge–discharge characteristics for the first time. Being made of 94 wt.% Al2O3 powder and 6 wt.% polymeric binder, the membranes on the anodes showed excellent wettability with the liquid electrolytes, due to their high porosity and capillarity. The Li-ion batteries prepared by the assembly of the inorganic membrane-coated electrodes showed excellent charge–discharge behavior compared to conventional Li-ion batteries with a polymeric separator. However, their high-rate performance was affected by the binder contents in the inorganic membranes. The thermal properties of the Li-ion battery with the inorganic membrane-coated electrodes were compared with those of a conventional one with a polymeric separator.
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This work was supported by the Nuclear R&D Program of the Ministry of Science & Technology, Korea.
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Kim, M., Nho, YC. & Park, J.H. Electrochemical performances of inorganic membrane coated electrodes for li-ion batteries. J Solid State Electrochem 14, 769–773 (2010). https://doi.org/10.1007/s10008-009-0851-0
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DOI: https://doi.org/10.1007/s10008-009-0851-0