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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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Silicon-based materials are one of the most promising anode active materials in lithium-ion battery. A carbon layer decorated on the surface of silicon particles efficiently suppresses the large volume expansion of silicon and improves electrical conductivity. Carbon coating through chemical vapor deposition (CVD) is one of the most effective strategies to synthesize carbon- coated silicon materials suitable for mass production. Herein, we synthesized carbon coated SiOx via pilot scale CVD reactor (P-SiO<SUB>x</SUB>@C) and carbon coated SiO<SUB>x</SUB> via industrial scale CVD reactor (I-SiO<SUB>x</SUB>@C) to identify physical characteristic changes according to the CVD capacity. Reduced size silicon domains and local nonuniform carbon coating layer were detected in I-SiO<SUB>x</SUB>@C due to non-uniform temperature distribution in the industrial scale CVD reactor with large capacity, resulting in increased surface area due to severe electrolyte consumption.
목차
Abstract
1. 서론
2. 실험방법
3. 결과 및 고찰
4. 결론
References
참고문헌 (40)
참고문헌 신청
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J. Zhang, C. Zhang, Z. Liu, J. Zheng, Y. Zuo, C. Xue, C. Li, B. Cheng, High-performance ball- milled SiOx anodes for lithium ion batteries. J. Power Sources, 339 (2017) 86-92.
S. W. Lee, M. T McDowell, J. W. Choi, Y. Cui, Anomalous shape changes of silicon nanopillars by electrochemical lithiation, Nano Lett, 11 (2011) 3034-3039.
C. Wang, H. Wu, Z. Chen, M. T. McDowell, Y. Cui, Z. Bao, Self-healing chemistry enables the stable operation of silicon microparticle anodes for high-energy lithium-ion batteries, Nat. Chemistry, 5 (2013) 1042-1048.
D. Lin, Z. Lu, P. C. Hsu, H. R. Lee, N. Liu, J. Zhao, H. Wang, C. Liu, Y. Cui, A high tap density secondary silicon particle anode fabricated by scalable mechanical pressing for lithium-ion batteries, Energy Environ. Sci., 8 (2015) 2371-2376.
J. Zhang, C. Zhang, Z. Liu, J. Zheng, Y. Zuo, C. Xue, C. Li, B. Cheng, High-performance ball- milled SiOx anodes for lithium ion batteries. J. Power Sources, 339 (2017) 86-92.
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