α-Fe2O3 Nanoparticle Loaded Carbon Nanofibers as Stable and High Capacity Anodes for Rechargeable Lithium Ion Batteries
     
Yazarlar (9)
Makale Türü Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı ACS Applied Materials & Interfaces
Dergi ISSN 1944-8244 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI-Expanded
Makale Dili İngilizce Basım Tarihi 05-2012
Cilt / Sayı / Sayfa 4 / 5 / 2672–2679 DOI 10.1021/am300333s
Makale Linki http://pubs.acs.org/doi/abs/10.1021/am300333s
Özet
α-Fe(2)O(3) nanoparticle-loaded carbon nanofiber composites were fabricated via electrospinning FeCl(3)·6H(2)O salt-polyacrylonitrile precursors in N,N-dimethylformamide solvent and the subsequent carbonization in inert gas. Scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, X-ray diffraction, and elemental analysis were used to study the morphology and composition of α-Fe(2)O(3)-carbon nanofiber composites. It was indicated that α-Fe(2)O(3) nanoparticles with an average size of about 20 nm have a homogeneous dispersion along the carbon nanofiber surface. The resultant α-Fe(2)O(3)-carbon nanofiber composites were used directly as the anode material in rechargeable lithium half cells, and their electrochemical performance was evaluated. The results indicated that these α-Fe(2)O(3)-carbon nanofiber composites have high reversible capacity, good capacity retention, and acceptable rate capability when used as anode materials for rechargeable lithium-ion batteries.
Anahtar Kelimeler
lithium-ion batteries | anodes | nanofibers | carbon | alpha-Fe2O3