Institute of Fundamental Technological Research
Polish Academy of Sciences

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Po-Han Lee

Tatung University (TW)

Recent publications
1.  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

Conference abstracts
1.  Krajewski M., Lee P.H., Wu S.H., Brzózka K., Małolepszy A., Stobiński L., Wasik D., Wielościenne nanorurki węglowe pokryte hematytem jako materiał anodowy w bateriach litowojonowych, V Ogólnopolska Konferencja Pomiędzy Naukami Zjazd Fizyków i Chemików, 2016-09-16/09-16, Chorzów (PL), No.C8, pp.38, 2016

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