Facile low-temperature polyol process for LiFePO4 nanoplate and carbon nanotube composite |
| |
| Institution: | 1. State Key Laboratory of Materials Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing 210009, PR China;2. State Key Laboratory Breeding Base of Refractories and Ceramics, College of Materials and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, PR China;1. Faculty of Chemistry, University of Warsaw, Pasteura 1, PL-02-093 Warsaw, Poland;2. Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, PL-01-224 Warsaw, Poland;1. School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China;2. Jiangsu Laboratory of Advanced Functional Material, Changshu Institute of Technology, Changshu 215500, China;1. National University of Science and Technology “MISiS”, Leninsky pr. 4, 119049 Moscow, Russia;2. N.N. Blokhin National Research Medical Center of Oncology, Kashirskoe shosse 24, Moscow 115478, Russia;3. State Research Center for Applied Microbiology and Biotechnology, Obolensk, Moscow Region 142279, Russia;4. CEITEC-Central European Institute of Technology, Brno University of Technology, Technická 3058/10, 61600 Brno, Czech Republic;1. Belgian Nuclear Research Centre (SCK·CEN), Institute for Nuclear Materials Science, Boeretang 200, B-2400 Mol, Belgium;2. KU Leuven, Department of Chemistry, Celestijnenlaan 200F, P.O. Box 2404, B-3001 Heverlee, Belgium;3. KU Leuven, Department of Materials Engineering, Kasteelpark Arenberg 44, P.O. Box 2450, B-3001 Heverlee, Belgium;1. Institute of Biomedical Engineering and Nanotechnology, Riga Technical University, Kipsalas Str. 6B, Riga LV-1048, Latvia;2. Institute of Inorganic Chemistry, Riga Technical University, Paula Valdena Str. 7, Riga LV-1048, Latvia;3. Institute of Physics of the Czech Academy of Sciences, Na Slovance, 1999/2, 182 00 Prague 8, The Czech Republic;4. Institute of Chemical Physics, University of Latvia, Jelgavas Str. 1, Riga LV-1004, Latvia;5. Riga East University Hospital, Clinic of Therapeutic Radiology and Medical Physics, Hipokrata Str. 2, Riga LV-1038, Latvia |
| |
| Abstract: | Crystalline LiFePO4 nanoplates were incorporated with 5 wt.% multi-walled carbon nanotubes (CNTs) via a facile low temperature polyol process, in one single step without any post heat treatment. The CNTs were embedded into the LiFePO4 particles to form a network to enhance the electrochemical performance of LiFePO4 electrode for lithium-ion battery applications. The structural and morphological characters of the LiFePO4–CNT composites were investigated by X-ray diffraction, Fourier Transform infrared spectroscopy, Raman spectroscopy, scanning electron microscopy and transmission electron microscopy. The electrochemical properties were analyzed by cyclic voltammetry, electrochemical impedance spectroscopy and charge/discharge tests. Primary results showed that well crystallized olivine-type structure without any impurity phases was developed, and the LiFePO4–CNT composites exhibited good electrochemical performance, with a reversible specific capacity of 155 mAh g?1 at the current rate of 10 mA g?1, and a capacity retention ratio close to 100% after 100 cycles. |
| |
| Keywords: | Lithium iron phosphate Carbon nanotube Polyol process Lithium-ion battery |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
