한국섬유공학회지 (Textile Science and Engineering)

  • 제58권6호
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  • Pages.313-321
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  • 2021
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
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PVP 열분해를 통해 질소가 도핑된 흑연의 전기화학적 특성

Electrochemical Properties of Nitrogen-doped Graphite via Pyrolysis of PVP

  • 김진수 (전북대학교 유기소재섬유공학과) ;
  • 서해천 (전북대학교 유기소재섬유공학과) ;
  • 전세진 (전북대학교 유기소재섬유공학과) ;
  • 선민영 (전북대학교 기계설계공학부) ;
  • 김현철 (청운대학교 뷰티산업학과) ;
  • 길명섭 (전북대학교 유기소재섬유공학과)
  • Kim, Jin Soo (Department of Organic Materials and Fiber Engineering, Jeonbuk National University) ;
  • Seo, Hae Cheon (Department of Organic Materials and Fiber Engineering, Jeonbuk National University) ;
  • Jeon, Se Jin (Department of Organic Materials and Fiber Engineering, Jeonbuk National University) ;
  • Sun, Min Young (Division of Mechanical Design Engineering, Jeonbuk National University) ;
  • Kim, Hyun-Chel (Department of Beauty Industry, Chungwoon University) ;
  • Khil, Myung-Seob (Department of Organic Materials and Fiber Engineering, Jeonbuk National University)
  • 투고 : 2021.07.19
  • 심사 : 2021.12.15
  • 발행 : 2021.12.31
⟨ 이전 논문 다음 논문 ⟩

초록

Despite considerable efforts to develop alternatives to graphite, it remains the dominant anode material in commercially available energy storage systems, such as lithium-ion batteries and supercapacitors, owing to its low electrical resistivity, thermal expansion, and low cost. In this work, nitrogen-doped graphite was prepared via polyvinylpyrrolidone pyrolysis to enhance the performance of graphite-based electrodes. The asprepared N-doped graphite was investigated in detail by field-emission scanning electron microscopy, X-ray photoelectron spectroscopy, Raman spectroscopy, cyclic voltammetry, electrochemical impedance spectroscopy, and galvanostatic charge/discharge. The results show that N-doped graphite (N content of 2.52 wt%) synthesized at 700 ℃ exhibits a high specific capacitance of 32.85 F g-1 at 1 A g-1, which is approximately three times greater than that of pristine graphite.

키워드

과제정보

이 논문은 2021년 과학기술정보통신부의 재원으로 한국연구재단의 지원을 받아 수행된 연구임(No. NRF-2021R1F1A1047673).

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