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Effect of Synthesis Temperature on Structure and Electrochemical Performance of Spinel-Layered Li 1.33 MnTiO 4 +z in Li-Ion Batteries

Author

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  • Ngoc Hung Vu

    (Falcuty of Biotechnology, Chemistry and Environmental Engineering, Phenikaa University, Hanoi 10000, Vietnam
    A&A Green Phoenix Group, Phenikaa Research and Technology Institute (PRATI), 167 Hoang Ngan, Hanoi 10000, Vietnam)

  • Van-Duong Dao

    (Falcuty of Biotechnology, Chemistry and Environmental Engineering, Phenikaa University, Hanoi 10000, Vietnam
    A&A Green Phoenix Group, Phenikaa Research and Technology Institute (PRATI), 167 Hoang Ngan, Hanoi 10000, Vietnam)

  • Ha Tran Huu

    (Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea)

  • Won Bin Im

    (Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea)

Abstract

Herein, the spinel-layered cathode material Li 1.33 MnTiO 4+ z (0.8LiMnTiO 4 •0.2Li 2 Mn 0.5 Ti 0.5 O 3 ) 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 TiO 2 , 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 TiO 2 shows a high capacity of 222 mAh g −1 at C/10 and capacity retention of 90.5% after 100 cycles at 1C.

Suggested Citation

  • Ngoc Hung Vu & Van-Duong Dao & Ha Tran Huu & Won Bin Im, 2020. "Effect of Synthesis Temperature on Structure and Electrochemical Performance of Spinel-Layered Li 1.33 MnTiO 4 +z in Li-Ion Batteries," Energies, MDPI, vol. 13(11), pages 1-11, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:11:p:2962-:d:369298
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    References listed on IDEAS

    as
    1. Jun-Ping Hu & Hang Sheng & Qi Deng & Qiang Ma & Jun Liu & Xiong-Wei Wu & Jun-Jie Liu & Yu-Ping Wu, 2020. "High-Rate Layered Cathode of Lithium-Ion Batteries through Regulating Three-Dimensional Agglomerated Structure," Energies, MDPI, vol. 13(7), pages 1-12, April.
    2. Qiuling Liu & Shengping Wang & Haibo Tan & Zhigao Yang & Jian Zeng, 2013. "Preparation and Doping Mode of Doped LiMn 2 O 4 for Li-Ion Batteries," Energies, MDPI, vol. 6(3), pages 1-13, March.
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    Cited by:

    1. Wenjuan Yang & Mohamed Nawwar & Igor Zhitomirsky, 2022. "Facile Route for Fabrication of Ferrimagnetic Mn 3 O 4 Spinel Material for Supercapacitors with Enhanced Capacitance," Energies, MDPI, vol. 15(5), pages 1-12, March.

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