Abstract
This study aimed to optimize the molecular weight range of coating pitch to enhance the electrochemical performance of graphite-based anodes used in lithium-ion batteries by understanding the characteristics of the coating pitch. The coating pitch was divided into four fractions based on its solubility in hexane, acetone, toluene, and n-methyl-2-pyrrolidone (NMP). These four fractions were estimated based on the thickness and homogeneity of the coated surfaces. The lighter fractions of pitch, such as hexane and acetone, assisted in forming a homogeneous surface by decreasing the viscosity during carbonization. Heavy fractions, such as toluene and NMP, were the main components of the coating. They improved the rate performance of the anode by forming an isotropic layer, which increased the number of lithium-ion intercalation sites. However, thick surfaces increased the charge-transfer resistance because of the increased diffusion path lengths of lithium ions. The pitch molecular weight fractions of 128–768, 768–1152, and 1,152–1,480 m/z should be controlled to 70–84.49, 11.20–18.21, and 3.35–5.15%, respectively. Furthermore, the results of this study can be applied to optimize the coating properties for other anode materials, such as silicon, at a controllable pitch coating thickness according to the molecular weight.
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M. S. Javed, A. Mateen, I. Hussain, A. Ahmad, M. Mubashir, S. Khan, M. A. Assiri, S. M. Eldin, S. S. A. Shah and W. Han, Energy Storage Mater., 53, 827 (2022).
M. S. Javed, A. Mateen, S. Ali, X. Zhang, I. Hussain, M. Imran, S. S. A. Shah and W. Han, Small, 18, 2201989 (2022).
Q. Zhang, S. Wang, Y. Liu, M. Wang, R. Chen, Z. Zhu, X. Qiu, S. Xu and T. Wei, Energy Technol., 11, 2201438 (2023).
J. Lu, Z. Wang, Q. Zhang, C. Sun, Y. Zhou, S. Wang, X. Qiu, S. Xu, R. Chen and T. Wei, Chin. J. Chem. Eng., 60, 80 (2023).
X. Zhang, Y. Tang, F. Zhang and C.-S. Lee, Adv. Energy Mater., 6, 1502588 (2016).
S. Mu, Q. Liu, P. Kidkhunthod, X. Zhou, W. Wang and Y. Tang, Natl. Sci. Rev., 8, nwaa178 (2021).
C. Ma, Y. Zhao, J. Li, Y. Song, J. Shi, Q. Guo and L. Liu, Carbon, 64, 553 (2013).
Y. Hai, W. Cui, Y. Lin, P. Han, H. Chen, Z. Zhu, C. Li, B. Yang, C. Zhu and J. Xu, Appl. Surf. Sci., 484, 726 (2019).
L. Zhao, B. Ding, X.-Y. Qin, Z. Wang, W. Lv, Y.-B. He, Q.-H. Yang and F. Kang, Adv. Mater., 34, 2106704 (2022).
W. He, T. Zhang, J. Jiang, C. Chen, Y. Zhang, N. Liu, H. Dou and X. Zhang, ACS Appl. Energ. Mater., 3, 4394 (2020).
Y. Yang, W. Shi, R. Zhang, C. Luan, Q. Zeng, C. Wang, S. Li, Z. Huang, H. Liao and X. Ji, Electrochim. Acta, 204, 100 (2016).
T. Tsumura, A. Katanosaka, I. Souma, T. Ono, Y. Aihara, J. Kuratomi and M. Inagaki, Solid State Ion., 135, 209 (2000).
T. Placke, V. Siozios, R. Schmitz, S. F. Lux, P. Bieker, C. Colle, H.-W. Meyer, S. Passerini and M. Winter, J. Power Sources, 200, 83 (2012).
H.-H. Chen, V. Goel, M. J. Namkoong, M. Wied, S. Müller, V. Wood, J. Sakamoto, K. Thornton and N. P. Dasqupta, Adv. Energy Mater., 11, 2003336 (2021).
Y. Shen, X. Shen, M. Yang, J. Qian, Y. Cao, H. Yang, Y. Luo and X. Ai, Adv. Funct. Mater., 31, 2101181 (2021).
Y. Mu, M. Han, J. Li, J. Liang and J. Yu, Carbon, 173, 477 (2021).
H. Yu, Y. Chen, W. Wei, X. Ji and L. Chen, ACS Nano, 16, 9736 (2022).
M. Yoshio, H. Wang, K. Fukuda, Y. Hara and Y. Adachi, J. Electrochem. Soc., 147, 1245 (2000).
H.-Y. Lee, J.-K. Baek, S.-M. Lee, H.-K. Park, K.-Y. Lee and M.-H. Kim, J. Power Sources, 128, 61 (2004).
Y. Gao, J. Zhang, Y. Chen and C. Wang, Surf. Interfaces, 24, 101089 (2021).
H. Wang, Y. Chen, H. Yu, W. Liu, G. Kuang, L. Mei, Z. Wu, W. Wei, X. Ji, B. Qu and L. Chen, Adv. Funct. Mater., 32, 2205600 (2022).
R. C. Shurtz, J. D. Engerer and J. C. Hewson, J. Electrochem. Soc., 165, A3891 (2018).
F. Béguin, F. Chevallier, C. Vix-Guterl, S. Saadallah, V. Bertagna, J. N. Rouzaud and E. Frackowiak, Carbon, 43, 2160 (2005).
Y. F. Zhou, S. Xie and C. H. Chen, Electrochim. Acta, 50, 4728 (2005).
C. Wang, H. Zhao, J. Wang, J. Wang and P. Lv, Ionics, 19, 221 (2012).
B.-H. Kim, J.-H. Kim, J.-G. Kim, M.-J. Bae, J.-S. Im, C.-W. Lee and S. Kim, J. Ind. Eng. Chem. 41, 1 (2016).
J. G. Kim, J. H. Kim, B.-J. Song, C. W. Lee and J. S. Im, J. Ind. Eng. Chem., 36, 293 (2016).
Y. J. Han, J. U. Hwang, K. S. Kim, J. H. Kim, J. D. Lee and J. S. Im, J. Ind. Eng. Chem., 73, 241 (2019).
B. C. Bai, J. G. Kim, J. H. Kim, C. W. Lee, Y.-S. Lee and J. S. Im, Carbon Lett., 25, 78 (2018).
B.-H. Kim, J.-H. Kim, J.-G. Kim, J. S. Im, C. W. Lee and S. Kim, J. Ind. Eng. Chem., 45, 99 (2017).
T. K. Whang, J. H. Kim, J. S. Im and S. C. Kang, Appl. Chem. Eng., 32(1), 83 (2021).
W. F. Edwards, L. Jin and M. C. Thies, Carbon, 41, 2761 (2003).
J. H. Kim, Y. J. Choi, J. S. Im, A. Jo, K. B. Lee and B. C. Bai, J. Ind. Eng. Chem., 88, 251 (2020).
W. Zhang, J. T. Andersson, H. J. Räder and K. Müllen, Carbon, 95, 672 (2015).
Y.-J. Han, J. Kim, J.-S. Yeo, J. C. An, I.-P. Hong, K. Nakabayashi, J. Miyawaki, J.-D. Jun and S.-H. Yoon, Carbon, 94, 432 (2015).
S.-H. Choi, G. Nam, S. Chae, D. Kim, N. Kim, W. S. Kim, J. Ma, J. Sung, S. M. Han, M. Ko, H.-W. Lee and J. Cho, Adv. Energy Mater., 9, 1803121 (2019).
L. Chan, Q. Qu, L. Zhang, M. Shen, L. Zhang and H. Zheng, Electrochim. Acta, 105, 378 (2013).
R. Yazami and Y. F. Reynier, Electrochim. Acta, 47, 1217 (2002).
X. Gong, J. Zheng, Y. Zheng, S. Cao, H. Wen, B. Lin and Y. Sun, Electrochim. Acta, 356, 136858 (2020).
J. R. Dahn, T. Zheng, Y. Liu and J. S. Xue, Science, 270, 590 (1995).
W. Jiang, G. Ni, P. Zuo, S. Qu, Y. Li, H. Niu and W. Shen, Carbon Lett., 29, 505 (2019).
Acknowledgements
This study was supported by the Technology Innovation Program (20007171, Development of artificial graphite from cokes and binder/coating pitch for anode materials) funded by the Ministry of Trade, Industry, and Energy (MOTIE, Korea) and by the Technology Innovation Program (20006696, Development of isotropic graphite block for semiconductor process) funded by the Ministry of Trade, Industry, and Energy (MOTIE, Korea).
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Kim, J.H., Kim, B.R. & Im, J.S. Optimization of the molecular weight range of coating pitch and its effect on graphite anodes for lithium-ion batteries. Korean J. Chem. Eng. 40, 2839–2846 (2023). https://doi.org/10.1007/s11814-023-1529-5
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DOI: https://doi.org/10.1007/s11814-023-1529-5