Investigation of Microwave Absorption Properties on Oil Palm Shell-derived Activated Carbon

被引：1
作者：
Daud, Pamungkas [1 ]
Sulistyaningsih [1 ]
Arisesa, Hana [1 ]
Marlina, Resti [2 ]
Budiman, Ismail [2 ]
Septiani, Ardita [3 ]
Togatorop, Ester Rimma Suryani [4 ]
Arundina, Ria Yolanda [4 ]
Chitraningrum, Nidya [2 ]
机构：
[1] Natl Res & Innovat Agcy BRIN, Res Ctr Telecommun, Bandung, Indonesia
[2] Natl Res & Innovat Agcy BRIN, Res Ctr Biomass & Bioprod, Cibinong, Indonesia
[3] Natl Res & Innovat Agcy BRIN, Res Ctr Adv Mat, Bandung, Indonesia
[4] Brawijaya Univ, Dept Agr Engn, Malang, Indonesia
来源：
2022 INTERNATIONAL CONFERENCE ON RADAR, ANTENNA, MICROWAVE, ELECTRONICS, AND TELECOMMUNICATIONS (ICRAMET): EMERGING SCIENCE AND INDUSTRIAL INNOVATION IN ELECTRONICS AND TELECOMMUNICATION | 2022年
关键词：
oil palm shell; microwave absorber; S-11; parameter; porous carbon; activated carbon; COMPOSITES; KOH;
D O I：
10.1109/ICRAMET56917.2022.9991188
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The demand of microwave and radar-absorbing materials has increased in military and electronics applications. Microwave absorber, as well as radar absorber material, has been studied recently to overcome the EMI problem. An absorber material with lightweight, thin, eco-friendly, broadband, and high absorption efficiency are highly desirable to fabricate the radar absorber. Biomass-based activated carbon is known to have excellent absorption performance. In this manuscript, we investigate the microwave absorption properties in the X-band region from 8 GHz to 12 GHz of oil palm shell (OPS)-derived activated carbon. We found the enhancement S11 parameter up to -32.61 dB after the OPS transformed into activated carbon OPS through KOH activation and physical carbonization. The porous structure of activated carbon OPS corresponds to the better microwave absorption properties that correlate with better attenuation and impedance matching. This result shows that OPS-derived activated carbon is a promising lightweight, nature-based material for radar absorber applications.
引用
收藏
页码：144 / 149
页数：6
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