Crystal-aligned Electrode Material Using a Magnetic Field for Enhanced Lithium-ion Battery Performance: Studies on Magnetic Property Analysis and Magnetic Field Reduction 


Vol. 69,  No. 5, pp. 233-240, Oct.  2025
10.5012/jkcs.2025.69.5.233


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  Abstract

Based on the magnetic properties of commercial cathode material (LiNixMnyCo1-(x+y)O2) for lithium-ion batteries, we have developed a technique utilizing magnetic fields to orient crystal structures, aligning the lithium-ion transfer direction perpendicular to the electrode surface across the entire electrode assembly. Through measurements and analysis of the magnetic properties of the commercial cathode material, we theoretically examined the required magnetic field strength for crystal orientation and secured a technique for crystal orientation using magnetic fields achievable in conventional electromagnets (approximately 1 Tesla (T)). This technique demonstrated comparable crystal orientation and electrochemical performance enhancement to the previous technology developed by our research group using strong magnetic fields (3 T). By validating the effectiveness of crystal orientation of commercial cathode materials at lower magnetic fields theoretically and experimentally, we aim to enhance the industrial applicability of related technologies.

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  Cite this article

[IEEE Style]

C. Kim, "Crystal-aligned Electrode Material Using a Magnetic Field for Enhanced Lithium-ion Battery Performance: Studies on Magnetic Property Analysis and Magnetic Field Reduction," Journal of the Korean Chemical Society, vol. 69, no. 5, pp. 233-240, 2025. DOI: 10.5012/jkcs.2025.69.5.233.

[ACM Style]

Cham Kim. 2025. Crystal-aligned Electrode Material Using a Magnetic Field for Enhanced Lithium-ion Battery Performance: Studies on Magnetic Property Analysis and Magnetic Field Reduction. Journal of the Korean Chemical Society, 69, 5, (2025), 233-240. DOI: 10.5012/jkcs.2025.69.5.233.

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ISSN(Print) 1017-2548
ISSN(Online) 2234-8530