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논문 기본 정보

자료유형
학술저널
저자정보
김형조 (경상대학교) Kelimu Tulugan (경상대학교) 김형진 (경상대학교) 박원조 (경상대학교)
저널정보
한국동력기계공학회 동력시스템공학회지 한국동력기계공학회지 제17권 제1호
발행연도
2013.2
수록면
110 - 115 (6page)

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The electrochemical performance and microstructure of Al-Si, Al-Si/C was investigated as anode for lithium ion battery. The Al-Si nano composite with 5 : 1 at% ratio was prepared by arc-discharge nano powder process. However, some of problem is occurred, when Al nano composite was synthesized by this manufacturing. The oxidation film is generated around Al-Si particles for passivating processing in the manufacture. The oxidation film interrupts electrical chemistry reaction during lithium ion insertion/extraction for charge and discharge. Because of the existence the oxidation film, Al-Si first cycle capacity is very lower than other examples. Therefore, carbon synthsized by glucose (C<SUB>6</SUB>H<SUB>12</SUB>O<SUB>6</SUB>) was conducted to remove the oxidation film covered on the composite. The results showed that the first discharge cycle capacity of Al-Si/C is improved to 113mAh/g comparing with Al-Si (18.6mAh/g). Furthermore, XRD data and TEM images indicate that Al₄C₃ crystalline exist in Al-Si/C composite. In addition the Si-Al anode material, in which silicon is more contained was tested by same method as above, it was investigated to check the anode capacity and morphology properties in accordance with changing content of silicon, Si-Al anode has much higher initial discharge capacity(about 500mAh/g) than anode materials based on Aluminum as well as the morphology properties is also very different with the anode based Aluminum.

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Abstract
1. 서론
2. 실험방법
3. 금속간화합물의 구조
4. 금속간 화합물의 전기화학적 특성
5. 결론
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UCI(KEPA) : I410-ECN-0101-2014-550-000227523