4.6 Article

Fabrication and application of network-liked carbon coated SiO as anode material for lithium ion batteries

Journal

MATERIALS LETTERS
Volume 345, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.matlet.2023.134446

Keywords

Lithium-ion battery; SiO/C composite; Energy storage and conversion; Anode; Carbon coating

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SiO/carbon composite with network-liked carbon coating layer was prepared using a two-step spray-drying and subsequent pyrolysis method. This structure not only effectively prolongs the cycle performance but also greatly improves the rate capability. The obtained composite shows a reversible capacity of 1119.4mAh.g(-1) after 100 cycles at a current density of 200 mA.g(-1). Increasing the current densities to 500 mA.g(-1) and 1000 mA.g(-1), the capacity can still maintain at 887.2mAh.g(-1) and 577.7mAh.g(-1), respectively, indicating the network-liked carbon coated SiO reported in this paper is a promising anode material for lithium-ion batteries.
SiO/carbon composite with the network-liked carbon coating layer is prepared by a two-step spray-drying and subsequent pyrolysis method. Such a structure can not only effectively prolongs the cycle performance but also greatly improves the rate capability of the product. As a result, the obtained composite shows a reversible capacity of 1119.4mAh.g(-1) after 100 cycles at a current density of 200 mA.g(-1). Increasing the current densities to 500 mA.g(-1) and 1000 mA.g(-1), the capacity can still maintain 887.2mAh.g(-1) and 577.7mAh.g(-1), respectively, which indicate that the network-liked carbon coated SiO reported in this paper is a promising anode material for lithium-ion batteries.

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