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- W2360672023 abstract "A Co_3O_4-PTFE composite negative electrode used for lithium-ion batteries was prepared by electrochemical-deposition in heated aqueous solution and then sintered at elevated temperature in vacaum. XRD analysis illustrates that the deposited layer Co(OH)-2 transforms to Co_3O_4-PTFE after sintering in vacuum at 245℃. The SEM images show that the Co_3O_4 phase appears a morphology of honeycomb with thickness of 30～50nm and the PTEF,which adsorbs on the surfaces of Co_3O_4, forms a cross-linked columnar structure with a diameter about 50～100nm in Co_3O_4-PTFE electrode material.Such nano Co_3O_4-PTFE composite layer is stable and resistant to be powdered. The results of charge-discharge tests show that the cycle life and reversible specific capacity of the Co_3O_4 electrode doped with PTFE are improved obviously. The first discharging specific capacity of the Co_3O_4-PTFE electrode is 920.1 mAh·g~(-1), and its discharging specific capacity is 685.6 mAh·g~(-1) after 20 cycles. However, the first discharging specific capacity of the Co_3O_4 electrode is 865.1 mAh·g~(-1), and its charging specific capacity is 180.4 mAh·g~(-1) after 20 cycles without doped with PTFE." @default.
- W2360672023 created "2016-06-24" @default.
- W2360672023 creator A5053272104 @default.
- W2360672023 date "2005-01-01" @default.
- W2360672023 modified "2023-09-23" @default.
- W2360672023 title "Cycling Capacitance of Co_3O_4-PTFE Composite Negative-electrode for Lithium-ion Batteries" @default.
- W2360672023 hasPublicationYear "2005" @default.
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