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카본우븐패브릭 기반 2D 구조의 Ti3C2Tx 배터리음극소재

2D Layered Ti3C2Tx Negative Electrode based Activated Carbon Woven Fabric for Structural Lithium Ion Battery

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주제분류재료공학

초록

2D 전이금속 탄화물(MXenes) 가운데, 타이타늄 기반의 Ti3C2는 뛰어난 전기전도성과 전기화학적 특성 및 표면작용기의 영향으로 이차 전지와 슈퍼캐패시터와 같은 에너지저장장치의 유망한 전극 물질로 각광받고 있다. 전극으로서 Ti3C2의 사용은 이온이 반응할 수 있는 표면적을 넓혀줄 뿐만 아니라, 이온의 확산 거리를 줄여주고, 전하의 운동을 향상시켜준다. 이 연구에서, 효율적으로 MAX phase로부터 Ti3C2를 합성하는 방법을 통해 리튬이온배터리에서 MXene기반의 전극 물질을 위한 새로운 방향을 제시하고자 한다.

Abstract

Two dimensional transition metal carbides and/or nitrides, known as MXenes, are a promising electrode material in energy storage due to their excellent electrical conductivity, outstanding electrochemical performance, and abundant functional groups on the surface. Use of Ti3C2 as electrode material has significantly enhanced electrochemical performance by providing more chemically active interfaces, short ion-diffusion lengths, and improved charge transport kinetics. Here, we reports the efficient method to synthesize Ti3C2 from MAX phase, and opens new avenues for developing MXene based electrode materials for Lithium-Ion batteries.

참고문헌 (29)

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