| 학회 |
한국화학공학회 |
| 학술대회 |
2014년 가을 (10/22 ~ 10/24, 대전 DCC) |
| 권호 |
20권 2호, p.2122 |
| 발표분야 |
촉매 및 반응공학 |
| 제목 |
Modified Electronic Structure of Pt Nanoparticle on TiN Support : Enhanced ORR Activity and Durability |
| 초록 |
Platinum nanoparticles of ~1.7nm size are deposited on titanium nitride nanoparticle support. Pt/TiN catalyst was tested to be used as a fuel cell catalyst. TiN nanoparticle has TiN crystal structure with some oxidized surface. X-ray photoelectron spectroscopy (XPS) and X-ray absorption near edge structure (XANES) characterization indicated electron transfer from TiN to Pt. Pt/TiN catalyst showed improved oxygen reduction reaction (ORR) activity and durability. Modified electronic structure was a main reason for improved activity and durability. Also Pt/TiN catalyst showed improved catalytic activity for formic acid oxidation reaction. |
| 저자 |
양성은1, 한학수1, 이현주2
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| 소속 |
1연세대, 2한국과학기술원 |
| 키워드 |
Oxygen reduction reaction; platinum; titanium nitride; fuel cell; electronic structure; electro-catalyst
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| E-Mail |
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| 원문파일 |
초록 보기 |
