Electrochemical Properties of 1,1-Dialkyl-2,5-bis(trimethylsilylethynyl)siloles as Anode Active Material and Solid-state Electrolyte for Lithium-ion Batteries
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1,1-Dialkyl-2,5-bis(trimethylsilylethynyl)-3,4-diphenylsiloles (R = Et, i-Pr, n-Hex; 3a–c) were prepared and utilized as anode active materials for lithium-ion batteries; 3a was also used as a filler for the solid-state electrolytes (SSE). Siloles 3a–c were prepared by substitution reactions in which the two bromine groups of 1,1-dialkyl-2,5-dibromo-3,4-diphenylsiloles, used as precursors, were substituted with trimethylsilylacetylene in the presence of palladium chloride, copper iodide, and triphenylphosphine in diisopropylamine. Among siloles 3a–c, 3a had the best electrochemical properties as an anode material for lithium-ion batteries, including an initial capacity of 758 mAhg–1 (0.1 A/g), which was reduced to 547 mAhg–1 and then increased to 1,225 mAhg–1 at 500 cycles. A 3a-composite polymer electrolyte (3a-CPE) was prepared using silole 3a as an additive at concentrations of 1, 2, 3, and 4 wt.%. The 2 wt.% 3a-CPE composite afforded an excellent ionic conductivity of 1.09 × 10–3 Scm–1 at 60 ℃, indicating that silole 3a has potential applicability as an anode active material for lithium-ion batteries, and can also be used as an additive for the SSE of lithium-ion batteries.
Abstract
1,1-Dialkyl-2,5-bis(trimethylsilylethynyl)-3,4-diphenylsiloles (R = Et, i-Pr, n-Hex; 3a–c) were prepared and utilized as anode active materials for lithium-ion batteries; 3a was also used as a filler for the solid-state electrolytes (SSE). Siloles 3a–c were prepared by substitution reactions in which the two bromine groups of 1,1-dialkyl-2,5-dibromo-3,4-diphenylsiloles, used as precursors, were substituted with trimethylsilylacetylene in the presence of palladium chloride, copper iodide, and triphenylphosphine in diisopropylamine. Among siloles 3a–c, 3a had the best electrochemical properties as an anode material for lithium-ion batteries, including an initial capacity of 758 mAhg–1 (0.1 A/g), which was reduced to 547 mAhg–1 and then increased to 1,225 mAhg–1 at 500 cycles. A 3a-composite polymer electrolyte (3a-CPE) was prepared using silole 3a as an additive at concentrations of 1, 2, 3, and 4 wt.%. The 2 wt.% 3a-CPE composite afforded an excellent ionic conductivity of 1.09 × 10–3 Scm–1 at 60 ℃, indicating that silole 3a has potential applicability as an anode active material for lithium-ion batteries, and can also be used as an additive for the SSE of lithium-ion batteries.
참고문헌 (36)
- Tamao, K., , J. Am. Chem. Soc, 116, pp.11715~ (1994)
- Yamaguchi, S., , Chem. Soc., Dalton Trans, 22, pp.3693~ (1998)
- Santra, S, , ChemistrySelect, 5, pp.9034~ (2020)
- Van Trang, N., , Struct. Chem, 31, pp.2215~ (2020)
- Li, J., , Chem. Rev, 122, pp.903~ (2022)
- 김참, "결정배향 LiNi0.6Mn0.2Co0.2O2 전극활물질을 통한 리튬이차전지 성능 향상 및 이의 전기화학적 해석", 대한화학회지, 66(6), pp.451~458 (2022), 대한화학회
- 전영은, "Electrochemical Sensing of Hydrogen Peroxide Using Prussian Blue@poly(p-phenylenediamine) Coated Multi-walled Carbon Nanotubes", 대한화학회지, 67(5), pp.339~347 (2023), 대한화학회
- Chen, W., , J. Am. Chem. Soc., Polym. Prepr, 38, pp.189~ (1997)
- Boydston, A. J., , J. Am. Chem. Soc, 126, pp.3724~ (2004)
- Moustafa, M. M. A. R., , Chimie, 12, pp.359~ (2009)
- Liu, J., , Chem. Rev, 109, pp.5799~ (2009)
- Hu, R., , Chem. Soc. Rev, 43, pp.4494~ (2014)
- Haque Md Hasanul, "Aggregation-induced emission enhancement of fluorene-substituted 2,5-silole polymer and application as chemosensor", Journal of the Korean Physical Society, 80(11), pp.1060~1064 (2022), 한국물리학회[DOI]
- for lithium-ion secondary battery anodes, "Bulletin of the Korean Chemical Society", 2021, 1574~1578, pp.대한화학회, https:
- Jong Wook Lim, "Synthesis of co-oligomers containing 1,1-Dialkyl-3,4-diphenyl- 2,5-silolene and aromatic diolene and analysis of their anodic properties for lithium-ion battery", Journal of Industrial and Engineering Chemistry, 120, pp.83~89 (2023), 한국공업화학회
- Yoon-ho Cho, "Synthesis of 1,1-Diisopropyl- or -Diphenyl -2,5-dibromo- or -bis(trimethylsilyl)-3,4-diphenyl-siloles and the Electrochemical Properties as Anode Materials for Lithium-Ion Battery", Bulletin of the Korean Chemical Society, 42(3), pp.380~387 (2021), 대한화학회[DOI]
- 박지영, "Syntheses of 1,1-Diethyl- or -Dihexyl-3,4-Diphenyl-2,5-Dibromo- or -Bis (Trimethylsilyl)Siloles and Electrochemical Properties for Lithium Ion Battery", Bulletin of the Korean Chemical Society, 41(1), pp.15~22 (2020), 대한화학회[DOI]
- Jamal, H., , J. Mater. Chem. A, 9, pp.4126~ (2021)
- Jamal, H., , J. Mater. Chem. A, 9, pp.27304~ (2021)
- Chapman, K. W., , ACS Energy Lett, 8, pp.1215~ (2023)
- 장지현, "Challenges and Improvements of All-Solid-State Batteries", 대한화학회지, 67(3), pp.165~174 (2023), 대한화학회
- Armarego, W. L. F., "Purification of Laboratory Chemicals" (1996), Butterworth-Heinemann
- Vada, P., , Chem. Electro. Chem, 8, pp.1930~ (2021)
- Moral, N. A., , Org. Synth, 85, pp.53~ (2008)
- Sinoatrial, K., , J. Organomet. Chem, 653, pp.46~ (2002)
- Pretsch, E., "Structure Determination of Organic Compounds, Tables of Spectral Data" (2000), Springer-Verlag
- Williams, E. A., "the Chemistry of Organic Silicon Compounds" (1989), John Wiley & Sons
- Silverstein, R. M., "Spectrometric Identification of Organic Compounds" (2005), John Wiley & Sons
- Bellamy, L. J, "The Infra-red Spectra of Complex Molecules" (1975), Chapman and Hall
- Lee, J., , J. Chem. Mater, 28, pp.2408~ (2016)
- Maruyama, H., , Anger. Chem, 126, pp.1348~ (2014)
- Dong, Z., , Organometallics, 37, pp.4736~ (2018)
- Zhao, Z., , Chem. Eur. J, 17, pp.5998~ (2011)
- Mei, J., , Chem. Sci, 3, pp.549~ (2012)
- 박지현, "이온성 액체 복합 Poly(ethylene oxide)(PEO) 고체 고분자 전해질의 전기화학적 특성", 전기화학회지, 19(3), pp.101~106 (2016), 한국전기화학회
- Wang, C., , Adv. Sci, 6, pp.1901036~ (2019)