Aluminum Effect as Additive Material in Expanded Graphite/Sand Composite for High Thermal Conductivity
(주)코리아스칼라
- 최초 등록일
- 2023.04.05
- 최종 저작일
- 2017.08
- 9페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국재료학회
ㆍ수록지정보 : 한국재료학회지 / 27권 / 8호
ㆍ저자명 : Yonrapach Areerob, Dinh Cung Tien Nguyen, Biswas Md Rokon Dowla, Asghar Ali, and Won-Chun Oh
영어 초록
Al/expanded graphite was successfully synthesized through a facile method including ultrasonic and heat treatment. In the well-designed three dimensional structure, expanded graphite(EG) works as a conductive matrix to support coated Al particles. The effects of the fabrication parameters on the microstructures and thermal conductivities of these composites were investigated. As a result, it was found that composites with graphite volume fraction of 17.4-69.4% sintered at 600 oC/45 MPa exhibit in-plane thermal conductivities of 380-940 W/mK, over 90 % of the predictions by rule of mixture. According to the non-destructive analysis results, the synergistic enhancement was caused by the formation of efficient thermally conductive pathways due to the hybrid of the differently sized EG. The structure integrates the advantages of expanded graphite as a conductive support, preserving the electrode activity and integrity and improving the electrochemical performance.
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