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학술발표회초록보기

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제118회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Study of the electrochemical performance for nickel substituted olivine-monoclinic complexes as a cathode material for Li-ion batteries

등록일
2016년 8월 22일 17시 47분 22초
접수번호
3008
발표코드
ANAL1.O-14 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 10시 : 26분
발표형식
구두발표
발표분야
분석화학 - Oral Presentation of Young Analytical Chemists Ⅰ
저자 및
공동저자
이지원, 이영일*, 박재영, 지민수
울산대학교 화학과, Korea
The olivine structured LiMPO4 (M= Fe, Co, Ni) as an attractive cathode material for Li-ion batteries has been investigated due to low cost, eco-friendly, and structural stability. However, olivine materials have relatively poor electrochemical performance compared to other structure of cathode materials such as layered structure LiCoO2, spinel structure LiMn2O4, and monoclinic structure LiFeBO3. It is known that the mixing of olivine and monoclinic structured material is improved the specific capacity. Moreover, nickel substitution in metal site is suggested in this presentation to increase operate voltage and conductivity. The olivine-monoclinic complex materials have been synthesized by solid-state reaction using planetary mill. The morphology, compositions, and electrochemical performance of the synthesized sample were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), cycling test, galvanostatic charge-discharge measurement, etc.

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