실리콘-탄소나노튜브-탄소 복합체 제조 및 리튬이온전지 응용

김찬미; 김선경; 장한권; 길대섭; 장희동; Chan Mi Kim; Sun Kyung Kim; Hankwon Chang; Dae sup Kil; Hee Dong Jang

Korean Chemical Engineering Research, Vol.56, No.1, 42-48, February, 2018

DOI10.9713/kcer.2018.56.1.42 Export Citation

실리콘-탄소나노튜브-탄소 복합체 제조 및 리튬이온전지 응용

Synthesis of Si-CNT-C Composites and Their Application to Lithium Ion Battery

김찬미^{1, 2}, 김선경², 장한권^{1, 2}, 길대섭², 장희동^{1, 2, †}

¹한국지질자원연구원 자원활용연구센터, 34132 대전광역시 유성구 과학로 124
²과학기술연합대학원대학교 나노재료공학전공, 34113 대전광역시 유성구 가정로 217

Chan Mi Kim^{1, 2}, Sun Kyung Kim¹, Hankwon Chang^{1, 2}, Dae sup Kil¹, and Hee Dong Jang^{1, 2, †}

¹Resources Utilization Research Center, Korea Institute of Geoscience and Mineral Resources, 124, Gwahak-ro, Yuseong-gu, Daejeon, 34132, Korea
²Department of Nanomaterials Science and Engineering, University of Science & Technology, 217, Gajeong-ro, Yuseong-gu, Daejeon, 34113, Korea

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초록

리튬이온전지의 음극재로 높은 이론적인 용량과 낮은 방전 전위 및 무독성을 가진 실리콘이 높은 관심을 받고 있다. 본 연구에서는 리튬이온전지의 고효율 음극재로 활용을 위한 실리콘-탄소나노튜브-탄소(Si-CNT-C) 복합체를 제조하였다. 복합체 제조를 위해서는 에어로졸 자기조립과 후 열처리 공정을 사용하였다. 제조된 Si-CNT-C 복합체는 구형이었으며 평균 입자크기는 2.72 μm이었다. 복합체의 크기는 실리콘 및 탄소나노튜브의 농도가 증가할수록 커지는 것을 확인하였다. Si-CNT-C 복합체는 탄소나노튜브와 글루코스에서 탄화된 탄소가 실리콘 입자들을 중심으로 표면에 부착된 형태이었다. 제조된 Si-CNT-C 복합체는 전기화학 분석을 통해 순수한 실리콘보다 우수한 사이클 성능을 보여주고 있음을 확인하였다.

Silicon has attracted extensive attention due to its high theoretical capacity, low discharge potential and non-toxicity as anode material for lithium ion batteries. In this study, Si-CNT-C composites were fabricated for use as a high-efficiency anode material in a lithium ion battery. Aerosol self-assembly and post-heat treatment processes were employed to fabricate the composites. The morphology of the Si-CNT-C composites was spherical and an average particle size was 2.72 μm. The size of the composite increased as concentration of Si and CNT increased in the precursor solution. In the Si-CNT-C composites, CNT and C carbonized from glucose were attached to the surface of Si particles. Electrochemical measurement showed that the cycle performance of Si-CNT-C composites was better than that of silicon particles.

Keywords:Si-CNT-C composite;Aerosol self-assembly;Post-heat treatment;Anode material;Lithium ion battery

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[Referenced By]

[1] Armand M, Tarascon JM, Nature, 451, 652 (2008)

[2] Wu H, Cui Y, Nano Today, 7(5), 414 (2012)

[3] Bruce PG, Scrosati B, Tarascon JM, Angew. Chem.-Int. Edit., 47, 2930 (2008)

[4] Guo YG, Hu JS, Wan LJ, Adv. Mater., 20(15), 2878 (2008)

[5] Xue L, Xu G, Li Y, Li S, Fu K, Shi Q, Zhang X, ACS Appl. Mater. Interfaces, 5, 21 (2012)

[6] Xu Y, Liu Q, Zhu Y, Liu Y, Langrock A, Zachariah MR, Wang C, Nano Lett., 13, 470 (2013)

[7] Goodenough JB, Park KS, J. Am. Chem. Soc., 135(4), 1167 (2013)

[8] Li H, Zhou H, Chem. Commun., 48, 1201 (2012)

[9] Esmanski A, Ozin GA, Adv. Funct. Mater., 19(12), 1999 (2009)

[10] Kohandehghan A, Kalisvaart P, Kupsta M, Zahiri B, Amirkhiz BS, Li Z, Mermarzadeh EL, Bendersky LA, Mitlin D, J. Mater. Chem., 1, 1600 (2013)

[11] Xiao J, Xu W, Wang DY, Choi DW, Wang W, Li XL, Graff GL, Liu J, Zhang JG, J. Electrochem. Soc., 157(10), A1047 (2010)

[12] Oumellal Y, Delpuech N, Mazouzi D, Dupre N, Gaubicher J, Moreau P, Soudan P, Lestriez B, Guyomard D, J. Mater. Chem., 21, 6201 (2011)

[13] Beaulieu LY, Eberman KW, Turner RL, Krause LJ, Dahn JR, Electrochem. Solid State Lett., 4(9), A137 (2001)

[14] Kang KY, Shin DO, Lee YG, Kim KM, Korean Chem. Eng. Res., 51(4), 411 (2013)

[15] Yen JP, Chang CC, Lin YR, Shen ST, Hong JL, J. Alloy. Compd., 598, 184 (2014)

[16] Wu J, Zhu Z, Zhang H, Fu H, Li H, Wang A, Zhang H, Hu Z, J. Alloy. Compd., 596, 86 (2014)

[17] Terranova ML, Orlanducci S, Tamburri E, Guglielmotti V, Rossi M, J. Power Sources, 246, 167 (2014)

[18] Lee DH, Seo SD, Lee GH, Hong HS, Kim DW, J. Alloy. Compd., 606, 204 (2014)

[19] Wang J, Wang JZ, Sun ZQ, Gao XW, Zhong C, Chou SL, Liu HK, J. Mater. Chem., 2, 4613 (2014)

[20] Zhai C, Du N, Zhang H, Yu J, Wu P, Xiao C, Yang D, Nanoscale, 3, 1798 (2011)

[21] Zhai C, Du N, Zhang H, Yu J, Yang D, ACS Appl. Mater. Interfaces, 3, 4067 (2011)

[22] Frackowiak E, Gautier S, Gaucher H, Bonnamy S, Beguin F, Carbon, 37, 61 (1999)

[23] Claye AS, Fischer JE, Huffman CB, Rinzler AG, Smalley RE, J. Electrochem. Soc., 147(8), 2845 (2000)

[24] Kim BG, Shin WH, Lim SY, Kong BS, Choi JW, J. Electrochem. Sci. Technol., 3, 116 (2012)

[25] Wang J, Liu DH, Wang YY, Hou BH, Zhang JP, Wang RS, Wu XL, J. Power Sources, 307, 738 (2016)

[26] Oh J, Kim H, Chang H, Lee BK, Jang HD, Lim JW, Int. J. Mater. Res., 106, 937 (2015)

[27] Jang HD, Kim H, Kil DS, Chang H, J. Nanosci. Nanotechnol., 13, 2334 (2013)

[28] Byon HR, Lee SW, Chen S, Hammond PT, Shao-Horn Y, Carbon, 49, 457 (2011)

[29] Jang HD, Kim H, Chang H, Kim J, Roh KM, Choi JH, Cho BG, Park E, Kim H, Luo J, Huang J, Sci Rep, 5, 9431 (0215)