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Article

Effect of Synthesis Temperature on Structure and Electrochemical Performance of Spinel-Layered Li1.33MnTiO4+z in Li-Ion Batteries

by 1,2,*, 1,2,*, 3 and 3,*
1
Falcuty of Biotechnology, Chemistry and Environmental Engineering, Phenikaa University, Hanoi 10000, Vietnam
2
A&A Green Phoenix Group, Phenikaa Research and Technology Institute (PRATI), 167 Hoang Ngan, Hanoi 10000, Vietnam
3
Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
*
Authors to whom correspondence should be addressed.
Energies 2020, 13(11), 2962; https://doi.org/10.3390/en13112962
Received: 21 May 2020 / Revised: 5 June 2020 / Accepted: 8 June 2020 / Published: 9 June 2020
(This article belongs to the Special Issue Smart and Functional Materials for Lithium-Ion Battery)
Herein, the spinel-layered cathode material Li1.33MnTiO4+z (0.8LiMnTiO4•0.2Li2Mn0.5Ti0.5O3) is investigated for the purpose of developing a high-capacity, low-cost, and environmentally friendly cathode for Li-ion batteries. Sol-gel synthesis is conducted and the relationships between synthesis temperature, structure, and electrochemical performance of the cathodes are studied. The effects of size and purity on the capacities of these cathodes are discussed. The samples fired at 500 and 600 °C contain an impurity phase of TiO2, thus delivering capacities of 208 and 210 mAh g−1 at C/10, respectively. The sample fired at 700 °C without the impurity phase of TiO2 shows a high capacity of 222 mAh g−1 at C/10 and capacity retention of 90.5% after 100 cycles at 1C. View Full-Text
Keywords: spinel-layered; LiMnTiO4; sol–gel; cathode; Li-ion batteries spinel-layered; LiMnTiO4; sol–gel; cathode; Li-ion batteries
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MDPI and ACS Style

Vu, N.H.; Dao, V.-D.; Tran Huu, H.; Im, W.B. Effect of Synthesis Temperature on Structure and Electrochemical Performance of Spinel-Layered Li1.33MnTiO4+z in Li-Ion Batteries. Energies 2020, 13, 2962. https://doi.org/10.3390/en13112962

AMA Style

Vu NH, Dao V-D, Tran Huu H, Im WB. Effect of Synthesis Temperature on Structure and Electrochemical Performance of Spinel-Layered Li1.33MnTiO4+z in Li-Ion Batteries. Energies. 2020; 13(11):2962. https://doi.org/10.3390/en13112962

Chicago/Turabian Style

Vu, Ngoc H., Van-Duong Dao, Ha Tran Huu, and Won B. Im 2020. "Effect of Synthesis Temperature on Structure and Electrochemical Performance of Spinel-Layered Li1.33MnTiO4+z in Li-Ion Batteries" Energies 13, no. 11: 2962. https://doi.org/10.3390/en13112962

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