journal article·2025-12Open access

Magnetically Aligned Tetragonal FeS as Anode for Improved Rate Capability in Sodium Ion Batteries (Adv. Sustainable Syst. 12/2025)

Hyungsub Lim, Seunghyun Kim, Hyeongmin Park, Sumin Myoung, Chulhwan Park, Eunho Lee, Daegun Kim, Giwon Lee

Advanced Sustainable Systems· Volume 9· Issue 12

Abstract

Sodium Ion Batteries In their Research Article (10.1002/adsu.202500867), Daegun Kim, Giwon Lee, and co-workers introduce a facile and scalable strategy to enhance sodium-ion battery anodes by magnetically aligning 2-dimensional tetragonal FeS nanoflakes during slurry casting. The alignment increases porosity and reduces tortuosity, significantly improving Na+ ion transport. Out-of-plane orientation preserves electrode structure under compression and boosted rate capability, achieving a 90% capacity improvement at 1 C, offering practical advances for high-performance energy storage.
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Research context

OpenAlex topics: Advancements in Battery Materials · Thermal Expansion and Ionic Conductivity · Advanced battery technologies research

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Affiliations

Department of Chemical Engineering Pohang University of Science and Technology Pohang 37673 South Korea

Department of Chemical Engineering Kwangwoon University Seoul 01897 South Korea

Department of Chemical and Biomolecular Engineering Seoul National University of Science and Technology (SeoulTech) Seoul 01811 South Korea

School of Chemical Biological and Battery Engineering Gachon University Seongnam 13120 South Korea

References

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