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논문 기본 정보

자료유형
학술저널
저자정보
Joo-Hyeon Bae (Gyeongsang National University) Nyamaa Oyunbayar (Gyeongsang National University) Duck-Hyeon Seo (Gyeongsang National University) Jeong-Hyeon Yang (Gyeongsang National University) Tae-Hyun Nam (Gyeongsang National University) Sun-Chul Huh (Gyeongsang National University) Hyo-Min Jeong (Gyeongsang National University) Jung-Pil Noh (Gyeongsang National University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제44권 제6호
발행연도
2020.12
수록면
436 - 440 (5page)
DOI
10.5916/jamet.2020.44.6.436

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초록· 키워드

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Advances in electronics have generated an increasing demand for smaller, higher-capacity lithium-ion batteries, which will require alternatives to graphite as the battery anode material. To this end, a TiNi shape-memory-alloy (SMA) thin film was fabricated on Cu foil by DC magnetron sputtering. Si thin films were then deposited at a low temperature (LT) of 298 K (Si(LT)/TiNi/Cu) and a high temperature (HT) of 853 K (Si(HT)/TiNI/Cu). The Si thin films formed were amorphous regardless of the deposition temperature. The grain sizes of Si deposited at 298 K and 853 K were measured as 261 ㎚ and 187 ㎚, respectively. The Si(HT)/TiNi/Cu electrode exhibited excellent capacity retention until approximately the 45th cycle, whereas rapid capacity fading occurred in the Si(LT)/TiNi/Cu electrode at the same current density of 200 ㎂/㎠. The better cycle performance is attributed to increased adhesion force between the Si film and the TiNi SMA thin film because the stress generated in the Si thin film during the charge and discharge process was transferred to the TiNi SMA thin film, resulting in a stress absorption effect.

목차

Abstract
1. Introduction
2. Experimental procedure
3. Results and discussion
4. Conclusion
References

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