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Empirical Optimization of Biomass-Derived Hard Carbon Anode for Efficient Sodium Storage
바이오매스 유래 하드 카본 음극의 효율적인 소듐 저장을 위한 실험적 최적화 연구

So Hyun Lee, Sang Jun Lee, Su Hwan Jeong, Hyun Kung Lee, Hyunseok Kim, Jinwoo Choi, Joo-Hyung Kim
이소현, 이상준, 정수환, 이현경, 김현석, 최진우, 김주형

Korean J. Met. Mater. 2025;63(1):53-59. Published online 2025 Jan 5
DOI: https://doi.org/10.3365/KJMM.2025.63.1.53

Abstract
Hard carbon is widely recognized as the most promising anode material for sodium-ion batteries (SIBs). Hard carbon is a non-graphitizable carbon characterized by a turbostratic structure with disordered stacking of carbon layers, each consisting of a few nanometer-sized graphene layers. It remains difficult to graphitize even at temperatures above 2500°C...... More

Alleviating the Polysulfide Shuttle Effect by Optimization of 3D Flower-Shaped Vanadium Dioxide for Lithium-Sulfur Batteries
이산화바나듐 나노플라워 구조 최적화를 통한 리튬-황 전지의 폴리설파이드 셔틀 효과 완화

Su Hwan Jeong, Hyeon-jun Choi, Sang Jun Lee, Dong Park Lee, Suyoon Eum, San Moon, Jong Hyuk Yun, Joo-Hyung Kim
정수환, 최현준, 이상준, 이동박, 엄수윤, 문산, 윤종혁, 김주형

Korean J. Met. Mater. 2023;61(11):849-856. Published online 2023 Oct 29
DOI: https://doi.org/10.3365/KJMM.2023.61.11.849

Abstract
With the rapid development of portable devices and Energy Storage Systems (ESS), secondary batteries with high energy density and high capacity are in great demand. Among various candidates, Lithium-sulfur (Li-S) batteries have been considered for next-generation energy devices given their high theoretical capacity (1675 mAh g^-1) and energy density (2500..... More

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