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2018 Vol.28, Issue 3 Preview Page
Synthesis of Nitrogen Doped Protein Based Carbon as Pt Catalysts Supports for Oxygen Reduction Reaction

산화환원반응용 백금 촉매 지지체를 위한 질소 도핑된 단백질계 탄소의 제조

Young-geun Lee1
,
Geon-hyeong An2
,
Hyo-Jin Ahn12†
이 영근1
,
안 건형2
,
안 효진12†
1Department of Materials Science and Engineering, Seoul National University of Science and Technology, Seoul 139-743, Korea
2Program of Materials Science & Engineering, Convergence Institute of Biomedical Engineering and Biomaterials, Seoul National University of Science and Technology, Seoul 139-743, Korea
1서울과학기술대학교 신소재공학과
2서울과학기술대학교 의공학 바이오소재 융합 협동과정 신소재공학 프로그램
†Corresponding author : hjahn@seoultech.ac.kr (H.-J. Ahn, Seoul Nat’l Univ. Sci. Technol.)
March 2018. pp. 182-188
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Abstract

Nitrogen (N)-doped protein-based carbon as platinum (Pt) catalyst supports from tofu for oxygen reduction reactions are synthesized using a carbonization and reduction method. We successfully prepare 5 wt% Pt@N-doped protein-based carbon, 10 wt% Pt@N-doped protein-based carbon, and 20 wt% Pt@N-doped protein-based carbon. The morphology and structure of the samples are characterized by field emission scanning electron microscopy and transmission electron micro scopy, and crystllinities and chemical bonding are identified using X-ray diffraction and X-ray photoelectron spectroscopy. The oxygen reduction reaction are measured using a linear sweep voltammogram and cyclic voltammetry. Among the samples, 10 wt% Pt@N-doped protein-based carbon exhibits exellent electrochemical performance with a high onset potential of 0.62 V, a high E1/2 of 0.55 V, and a low ΔE1/2= 0.32 mV. Specifically, as compared to the commercial Pt/C, the 10 wt% Pt@N-doped proteinbased carbon had a similar oxygen reduction reaction perfomance and improved electrochemical stability.

Keywords
protein based carbon
oxygen reduction reaction
nitrogen doping
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 28
  • No :3
  • Pages :182-188
  • Received Date : 2018-01-26
  • Revised Date : 2018-01-26
  • Accepted Date : 2018-02-26
  • DOI :https://doi.org/10.3740/MRSK.2018.28.3.182
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