Development of Bismuth Alloy-Based Anode Material for Lithium-Ion Battery 


Vol. 30,  No. 1, pp. 23-27, Mar.  2024
10.7464/ksct.2024.30.1.23


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  Abstract

Bismuth is a promising anodic for Li-ion batteries (LIBs) due to its adequate operating voltage and high-volume capacity (3,765 mAh cm-3). Nevertheless, inevitable volume expansion during Bi alloy reactions leads to severe capacity loss and cell destruction. To address this, a complex of bismuth alloy nanoparticles (Bi@NC) embedded in an N doping-carbon coating is fabricated via a simple pyrolysis method. Nano-sized bismuth alloys can improve the reaction dynamics through a shortened Li+- ion diffusion path. In addition, the N-doped carbon coating effectively buffers the volume change of bismuth during the extended alloy/dealloy reaction with Li+ ions and maintains an effective conductive network. Based on the Thermogravimetric analysis (TGA) showed high bismuth alloy loading (80.9 wt%) and maintained a high gravimetric capacity of 315 mAh g-1 up to 100 cycles with high volumetric capacity of 845.6 mAh cm-3.

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  Cite this article

[IEEE Style]

C. R. Sun and J. H. Kim, "Development of Bismuth Alloy-Based Anode Material for Lithium-Ion Battery," Clean Technology, vol. 30, no. 1, pp. 23-27, 2024. DOI: 10.7464/ksct.2024.30.1.23.

[ACM Style]

Chi Rong Sun and Jae Hoon Kim. 2024. Development of Bismuth Alloy-Based Anode Material for Lithium-Ion Battery. Clean Technology, 30, 1, (2024), 23-27. DOI: 10.7464/ksct.2024.30.1.23.

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