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Krajewski M., Lee P.H.♦, Wu S.H.♦, Brzózka K.♦, Małolepszy A.♦, Stobiński L.♦, Tokarczyk M.♦, Kowalski G.♦, Wąsik D.♦, Nanocomposite composed of multiwall carbon nanotubes covered by hematite nanoparticles as anode material for Li-ion batteries,
Electrochimica Acta, ISSN: 0013-4686, DOI: 10.1016/j.electacta.2017.01.051, Vol.228, pp.82-90, 2017 Abstract:
This work describes the detailed studies performed on the nanocomposite composed of chemically-modified multiwall carbon nanotubes covered by hematite nanoparticles which diameters vary from 10 nm to 70 nm. This nanomaterial was fabricated in two-steps facile chemical synthesis and was characterized with the use of several experimental techniques, such as: thermogravimetric analysis, differential thermal analysis, Raman spectroscopy, X-ray diffraction, and transmission Mössbauer spectroscopy in order to determine its structure precisely. Moreover, the investigated nanocomposite was tested as an anode material of Li-ion batteries. Its cycling performance was stable during 40 cycles, while its capacity was retained at the level of 330 and 230 mAh/g at the discharge/charge rate of 25 and 200 mA/g, respectively. Keywords:
anode material, hematite, Li-ion battery, multiwall carbon nanotube, nanocomposite Affiliations:
| Krajewski M. | - | IPPT PAN | | Lee P.H. | - | Tatung University (TW) | | Wu S.H. | - | Tatung University (TW) | | Brzózka K. | - | University of Technology and Humanities in Radom (PL) | | Małolepszy A. | - | Warsaw University of Technology (PL) | | Stobiński L. | - | Warsaw University of Technology (PL) | | Tokarczyk M. | - | University of Warsaw (PL) | | Kowalski G. | - | University of Warsaw (PL) | | Wąsik D. | - | other affiliation |
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