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Nanomaterials
Volume 13
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10.3390/nano13010132
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Article

Achieving Cycling Stability in Anode of Lithium-Ion Batteries with Silicon-Embedded Titanium Oxynitride Microsphere

by
Sung Eun Wang
1,†,
DoHoon Kim
1,2,†,
Min Ji Kim
1,3,
Jung Hyun Kim
1,
Yun Chan Kang
3,
Kwang Chul Roh
1,
Junghyun Choi
1,
Hyung Woo Lee
2,4,* and
Dae Soo Jung
1,*
1
Energy Storage Materials Center, Korea Institute of Ceramic Engineering & Technology (KICET), Jinju-si 52851, Republic of Korea
2
Department of Nanoenergy Engineering, Pusan National University, Pusan 46241, Republic of Korea
3
Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea
4
Department of Nano Fusion Engineering and Research Center of Energy Convergence Technology, Pusan University, Pusan 46241, Republic of Korea
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Nanomaterials 2023, 13(1), 132; https://doi.org/10.3390/nano13010132
Submission received: 8 December 2022 / Revised: 23 December 2022 / Accepted: 25 December 2022 / Published: 27 December 2022
(This article belongs to the Topic Energy Storage Materials and Devices)
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Abstract

Surface coating approaches for silicon (Si) have demonstrated potential for use as anodes in lithium-ion batteries (LIBs) to address the large volume change and low conductivity of Si. However, the practical application of these approaches remains a challenge because they do not effectively accommodate the pulverization of Si during cycling or require complex processes. Herein, Si-embedded titanium oxynitride (Si-TiON) was proposed and successfully fabricated using a spray-drying process. TiON can be uniformly coated on the Si surface via self-assembly, which can enhance the Si utilization and electrode stability. This is because TiON exhibits high mechanical strength and electrical conductivity, allowing it to act as a rigid and electrically conductive matrix. As a result, the Si-TiON electrodes delivered an initial reversible capacity of 1663 mA h g−1 with remarkably enhanced capacity retention and rate performance.
Keywords: lithium-ion batteries; silicon anodes; titanium oxynitrides; spray-drying lithium-ion batteries; silicon anodes; titanium oxynitrides; spray-drying

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MDPI and ACS Style

Wang, S.E.; Kim, D.; Kim, M.J.; Kim, J.H.; Kang, Y.C.; Roh, K.C.; Choi, J.; Lee, H.W.; Jung, D.S. Achieving Cycling Stability in Anode of Lithium-Ion Batteries with Silicon-Embedded Titanium Oxynitride Microsphere. Nanomaterials 2023, 13, 132. https://doi.org/10.3390/nano13010132

AMA Style

Wang SE, Kim D, Kim MJ, Kim JH, Kang YC, Roh KC, Choi J, Lee HW, Jung DS. Achieving Cycling Stability in Anode of Lithium-Ion Batteries with Silicon-Embedded Titanium Oxynitride Microsphere. Nanomaterials. 2023; 13(1):132. https://doi.org/10.3390/nano13010132

Chicago/Turabian Style

Wang, Sung Eun, DoHoon Kim, Min Ji Kim, Jung Hyun Kim, Yun Chan Kang, Kwang Chul Roh, Junghyun Choi, Hyung Woo Lee, and Dae Soo Jung. 2023. "Achieving Cycling Stability in Anode of Lithium-Ion Batteries with Silicon-Embedded Titanium Oxynitride Microsphere" Nanomaterials 13, no. 1: 132. https://doi.org/10.3390/nano13010132

APA Style

Wang, S. E., Kim, D., Kim, M. J., Kim, J. H., Kang, Y. C., Roh, K. C., Choi, J., Lee, H. W., & Jung, D. S. (2023). Achieving Cycling Stability in Anode of Lithium-Ion Batteries with Silicon-Embedded Titanium Oxynitride Microsphere. Nanomaterials, 13(1), 132. https://doi.org/10.3390/nano13010132

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