| 학회 |
한국고분자학회 |
| 학술대회 |
2016년 봄 (04/06 ~ 04/08, 대전컨벤션센터) |
| 권호 |
41권 1호 |
| 발표분야 |
고분자가공/복합재료 |
| 제목 |
Electrochemical performance of sulfur-enriched nanoporous carbon materials as anode for sodium-ion storage |
| 초록 |
Na-ion batteries (NIBs) have attracted much attention as post Li-ion batteries (LIBs) due to abundant Na resources and a similar chemistry to LIBs. However, NIBs have suffered from a lack of proper anode materials. In this study, sulfur-enriched nanoporous carbon materials (SH-NCMs) were fabricated by an inclusion complex of cellulose hosted by urea hydrate through simple pyrolysis and heating with elemental sulfur for anode materials. The SH-NCMs showed unique materials characteristics, such as a large amount of heteroatoms, containing 21.7 at.% sulfur, 12.6 at.% oxygen and 5.7 at.% nitrogen, and mesostructure with a surface area of 201 m2 g-1. In addition, SH-NCMs showed a high specific capacity of 456 mAh g-1 at a current density of 1 A g-1, and even after 50 cycles at 10 A g-1, a specific capacity of 170 mAh g-1 was achieved. Therefore, the SH-NMCs exhibited unique material properties, leading to notable electrochemical performance as an electrode material for Na-ion storage. |
| 저자 |
이민의1, 윤영수2, 송민영1, 김나래1, 윤현지1, 안홍주1, 최준호1, 진형준1
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| 소속 |
1인하대, 2강원대 |
| 키워드 |
Porous carbon; Sulfur doping; Sodium-ion; Carbonization; Energy storage
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| E-Mail |
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