Electrochemical Performance of Hollow Silicon/Carbon Anode Materials for Lithium Ion Battery

리튬이차전지용 Hollow Silicon/Carbon 음극소재의 전기화학적 성능

  • Jung, Min Ji (Department of Chemical Engineering, Chungbuk National University) ;
  • Lee, Jong Dae (Department of Chemical Engineering, Chungbuk National University)
  • Received : 2016.06.11
  • Accepted : 2016.06.26
  • Published : 2016.08.10


Hollow silicon/carbon (H-Si/C) composites as anode materials for lithium ion batteries were investigated to overcome the large volume expansion. H-Si/C composites were prepared as follows; hollow $SiO_2\;(H-SiO_2)$ was prepared by adding $NaBH_4$ to $SiO_2$ synthesized using $st{\ddot{o}}ber$ method followed by magnesiothermic reduction and carbonization of phenolic resin. The H-Si/C composites were analyzed by XRD, SEM, BET and EDX. To improve the capacity and cycle performance, the electrochemical characteristics of H-Si/C composites synthesized with various $NaBH_4$ contents were investigated by charge/discharge, cycle, cyclic voltammetry and impedance tests. The coin cell using H-Si/C composite ($SiO_2:NaBH_4=1:1$ in weight) in the electrolyte of $LiPF_6$ dissolved in organic solvents (EC : DMC : EMC = 1 : 1 : 1 vol%) has better capacity (1459 mAh/g) than those of other composition coin cells. It is found that the coin cell ($SiO_2:NaBH_4=1:1$ in weight) has an excellent capacity retention from 2nd cycle to 40th cycle.


Supported by : 연구개발특구진흥재단


  1. J. Y. Park, M. Z. Jung, and J. D. Lee, Synthesis and electrochemical of mesoporous silicon/carbon/CNF composite anode, Appl. Chem. Eng., 26, 118-124 (2015).
  2. H. S. Ko, J. E. Choi, and J. D. Lee, Electrochemical Characteristics of Lithium Ion Battery Anode Materials of Graphite/$SiO_2$, Appl. Chem. Eng., 25, 592-597 (2014).
  3. Y. Hwa, W. S. Kim, B. C. Yu, J. H. Kim, S. H. Hong, and H. J. Sohn, Facile synthesis of Si nanoparticles using magnesium silicide reduction and its carbon composite as a high-performance anode for Li ion batteries, J. Power Sources, 252, 144-149 (2014).
  4. Z. Sun, X. Song, P. Zhang, and L. Gao, Controlled synthesis of yolk-mesoporous shell Si@$SiO_2$ nanohybrid designed for high performance Li ion battery, RSC Adv., 4, 20814-20820 (2014).
  5. Y. M. Kim, J. Ahn, S. H. Yu, D. Y. Chung, K. J. Lee, J. K. Lee, and Y. E. Sung, Titanium silicide coated porous silicon nanospheres as anode materials for lithium ion batteries, Electrochim. Acta, 151, 256-262 (2015).
  6. I. Hong, B. Scrosati, and F. Croce, Mesoporous, Si/C composite anode for Li battery obtained by 'magnesium-thermal' reduction process, Solid State Ionics, 232, 24-28 (2013).
  7. T. Zhang, Q. Zhang, J. Ge, J. Goebl, M. Sun, Y. Yan, Y. Liu, C. Chang, J. Guo, and Y. Yin, A-self templated route to hollow silica microspheres, J. Phys. Chem. C, 113, 3168-3175 (2009).
  8. Y. Du, M. Hou, D. Zhou, Y. Wang, C. Wang, and Y. Xia, Interconnected sandwich structure carbon/Si-$SiO_2$/Cabron nanospheres composite as high performance anode material for lithium-ion batteries, J. Energy Chem., 23, 315-323 (2014).
  9. Z. Teng, X. Su, Y. Zheng, J. Sun, G. Chen, C. Tian, J. Wang, H. Li, Y. Zhao, and G. Lu, Mesoporous silica hollow spheres with ordered radial mesochannels by a spontaneous self-transformation approach, Chem. Mater., 25, 98-105 (2013).
  10. H. H. Li, J. W. Wang, X. L. Wu, H. Z. Sun, F. M. Yang, K. Wang, L. L. Zhang, C. Y. Fan, and J. P. Zhang, A novel approach to prepare Si/C nanocomposites with yolk-shell structures for lithium ion batteries, RSC Adv., 4, 36218-36225 (2014).
  11. D. Wang, M. Gao, H. Pan, J. Wang, and Y. Liu, High performance amorphous-Si@SiOx/C composite anode materials for Li-ion batteries derived from ball-milling and in situ carbonization, J. Power Sources, 256, 190-199 (2014).
  12. M. Su, Z. Wang, H. Guo, X. Li, S. Huang, and L. Gan, Silicon, flake graphite and phenolic resin-pyrolyzed carbon based Si/C composites as anode material for lithium-ion batteries, Adv. Powder Technol., 24, 921-925 (2013).
  13. X. Chen, Y. Huang, J. Chen, X. Zhang, C. Li, and H. Huang, Preparation of graphene supported porous Si@C ternary composites and their electrochemical performance as high capacity anode materials for Li-ion batteries, Ceram. Int., 41, 8533-8540 (2015).
  14. T. M. Arantes, A. H. Pinto, E. R. Leite, E. Longo, and E. R. Camargo, Synthesis and optimization of colloidal silica nanoparticles and their functionalization with methacrylic acid, Colloids Surf. A : Physicochem. Eng. Aspects, 415, 209-217 (2012).
  15. J. Yang, Y. X. Wang, S. L. Chou, R. Zhang, Y. Xu, J. Fan, W. Zhang, H. K. Liu, D. Zhao, and S. Z. Dou, Yolk-shell silicon-mesoporous xarbon anode with compact solid electrolyte interphase film for superior lithium-ion batteries, Nano Energy, 18, 133-142 (2015).
  16. J. Xie, G. Wang, Y. Huo, S. Zhang, G. Cao, and X. Zhao, Nanostructured silicon spheres prepared by a controllable magnesiothermic reduction as anode for lithium ion batteries, Electrochim. Acta, 135, 94-100 (2014).