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학술발표회초록보기

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  • 02월 19일 10시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제121회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Preparation of partially substituted Li3V2-xMx(BO3)3 (M=Al) as a cathode material for Li-ion battery

등록일
2018년 2월 7일 14시 31분 17초
접수번호
6605
발표코드
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발표시간
금 09시 : 35분
발표형식
구두발표
발표분야
Analytical Chemistry - Oral Presentation of Young Analytical Chemists II
저자 및
공동저자
Minsoo Ji, YOUNGIL LEE*
Department of Chemistry, University of Ulsan, Korea
Aluminum substituted lithium vanadium borate as a cathode material has been prepared by sol-gel route, and its electrochemical properties have been investigated. Commonly, aluminum ions provide a modification of the lithium insertion reaction consistent with increasing alkaline ionic disorder. These phenomena suggest that the substituted phases may offer some improvement their electrochemical properties, such as low polarization, high average potential, low irreversibility, and long cyclability. Galvano-static charge/discharge and cyclic voltammetry (CV) measurements were also measured to study the reversibility of the lithium extraction/insertion processes. As shown in figure, 4% aluminum substituted lithium vanadium borate has better electrochemical performance in high C rates.

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