Synthesis and Electrochemical Properties of Li₄Ti₅O₁₂/CuO Anode Material for Li-Ion Batteries

Abstract:

Spinel-type electrode material Li₄Ti₅O₁₂/CuO was synthesized by a two-step solid state reaction method. Cupric acetate (Cu(Ac)₂) was used as raw material mixed into Li₄Ti₅O₁₂ to coat the surface of Li₄Ti₅O₁₂ with CuO in order to improve the electrochemical and cycle performances. The samples were characterized by XRD and the grain size analysis was researched by laser particle-size analyzer. The curves of charge/discharge and cycles Li₄Ti₅O₁₂/CuO were researched. The results showed that the electrochemical properties of the material were improved. Among the three samples investigated, it was found that the Li₄Ti₅O₁₂/CuO (coating amount was 4wt%) possesses the best electrochemical performance, and the first discharge specific capacity was 224, 173, 165 and 162mAh/g at 0.5C, 1C, 5C and 10C rate, respectively.

• Periodical: Advanced Materials Research (Volume 279)
• Pages: 77-82
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.279.77
• Online since: July 2011
• Authors: Ji Ping Zhu, Guang Yang, Jun Jie Zhao, Qing Song Wang, Hong Wei Yang
• Keywords: Anode Material, Cuo Coating, High Performance, Li₄Ti₅O₁₂, Lithium-Ion Battery

References

[1] Byoungwoo Kang, Gerbrand Ceder: Battery materials for ultrafast charging and discharging. Nature Vol. 458, pp.190-193.

DOI: 10.1038/nature07853

[2] Yun Jung Lee, Hyunjung Yi, Woo-Jae Kim, et al.: Fabricating Genetically Engineered High-Power Lithium-Ion Batteries Using Multiple Virus Genes. Science, 324, 5930(2009), pp.1051-1055.

DOI: 10.1126/science.1171541

[3] John B. Goodenough, Youngsik Kim: Challenges for Rechargeable Li Batteries. Chem. Mater., 22, 3(2010), pp.587-603.

[4] Wei-Ming Zhang, Jin-Song Hu, Yu-Guo Guo, et al.: Tin-Nanoparticles Encapsulated in Elastic Hollow Carbon Spheres for High-Performance Anode Material in Lithium-Ion Batteries. Advanced Materials, 20, 6(2008), pp.1160-1165.

DOI: 10.1002/adma.200701364

[5] D Djian, F Alloin, S Martinet and H Lignier: Macroporous poly(vinylidene fluoride) membrane as a separator for lithium-ion batteries with high charge rate capacity. Journal of Power Sources, 187, 2(2009), pp.575-580.

DOI: 10.1016/j.jpowsour.2008.11.027

[6] Shahua Huang, Zhaoyin Wen, Xiujian Zhu and Zuxiang Lin: Effects of dopant on the electrochemical performance of Li4Ti5O12 as electrode material for lithium ion batteries. Journal of Power Sources, 165, 1(2007), pp.408-412.

DOI: 10.1016/j.jpowsour.2006.12.010

[7] A. N. Jansen, A. J. Kahaian, K. D. Kepler, et al.: Development of a high-power lithium-ion battery. Journal of Power Sources Vol. 81-82 (1999), pp.902-905.

DOI: 10.1016/s0378-7753(99)00268-2

[8] C. M. Julien, M. Massot and K. Zaghib: Structural studies of Li4/3Me5/3O4(Me = Ti, Mn) electrode materials: local structure and electrochemical aspects. Journal of Power Sources, 136, 1(2004), pp.72-79.

DOI: 10.1016/j.jpowsour.2004.05.001

[9] F.O. Ernst, H.K. Kammler, A. Roessler, et al.: Electrochemically active flame-made nanosized spinels: LiMn2O4, Li4Ti5O12 and LiFe5O8. Materials Chemistry and Physics, 101, 2-3(2007), pp.372-378.

DOI: 10.1016/j.matchemphys.2006.06.014

[10] Rui Cai, Xing Yu, Xiaoqin Liu and Zongping Shao: Li4Ti5O12/Sn composite anodes for lithium-ion batteries: Synthesis and electrochemical performance. Journal of Power Sources, 195, 24(2010), pp.8244-8250.

DOI: 10.1016/j.jpowsour.2010.07.059

[11] Hidetoshi Utsunomiya, Tsuyoshi Nakajima, Yoshimi Ohzawa, et al.: Influence of conductive additives and surface fluorination on the charge/discharge behavior of lithium titanate (Li4/3Ti5/3O4). Journal of Power Sources, 195, 19(2010), pp.6805-6810.

DOI: 10.1016/j.jpowsour.2010.04.082

[12] Jizhang Chen, Li Yang, Shaohua Fang and Yufeng Tang: Synthesis of sawtooth-like Li4Ti5O12 nanosheets as anode materials for Li-ion batteries. Electrochimica Acta, 55, 22(2010), pp.6596-6600.

DOI: 10.1016/j.electacta.2010.06.015

[13] Shahua Huang, Zhaoyin Wen, Bin Lin, et al.: The high-rate performance of the newly designed Li4Ti5O12/Cu composite anode for lithium ion batteries. Journal of Alloys and Compounds, 457, 1-2(2008), 400-403.

DOI: 10.1016/j.jallcom.2007.02.127

[14] Da Wang, Hua-Yun Xu, Man Gu and Chun-Hua Chen: Li2CuTi3O8–Li4Ti5O12 double spinel anode material with improved rate performance for Li-ion batteries. Electrochemistry Communications, 11, 1(2009), pp.50-53.

DOI: 10.1016/j.elecom.2008.10.029

[15] Hiromasa Shiiba, Masanobu Nakayamab and Masayuki Nogami: Ionic conductivity of lithium in spinel-type Li4/3Ti5/3O4–LiMg1/2Ti3/2O4 solid-solution system. Solid State Ionics, 181, 21-22(2010), pp.994-1001.

DOI: 10.1016/j.ssi.2010.06.003