PVD synthesis of binder-free silicon and carbon coated 3D α-Fe2O3 nanorods hybrid films as high-capacity and long-life anode for flexible lithium-ion batteries

Mingyue Wang, Ying Huang, Ke Wang, Yade Zhu, Na Zhang, Hongming Zhang, Suping Li and Zhenhe Feng

Energy, 2018, vol. 164, issue C, 1021-1029

Abstract: Flexible lithium-ion batteries are being given great attention as up-and-coming power source for the development of flexible and wearable electronic devices. In this work, a carbon and silicon coated 3D α-Fe2O3 nanorod arrays on carbon cloth composite was firstly designed by facile hydrothermal method and physical vapor deposition process. The as-prepared composite can be directly applied as flexible anode for Li-ion batteries without adding any binder and conducting materials. The electrochemical results show that the composite exhibits outstanding electrochemical lithium storage properties with high initial Coulombic Efficiency of 76% at 100 mA g−1 current density and a superior cycling performance that could maintain about 910 mAh·g−1 after 500 cycles at a 500 mA g−1 current density, which is two to three times of commercial graphite anodes. This study offers a promising route to greatly enhance the electrochemical properties of metal oxides and provides suggestive insights for developing high-performance electrode materials for flexible energy storage devices.

Keywords: Transition metal oxides; Carbon cloth; Physical vapor deposition; Electrochemical performance (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:164:y:2018:i:c:p:1021-1029

DOI: 10.1016/j.energy.2018.09.046

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