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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.12
- 수록면
- 531 - 539 (9page)
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The development of cost-effective electrocatalysts with high durability is one of the most important challenges for the commercialization of polymer electrolyte fuel cells (PEFCs). The durability of the electrocatalyst has been studied in terms of structural change in the active metal and the support. In particular, in fuel cell vehicles, degradation of the carbon-based support is known to have a significant effect on the electrocatalyst deterioration since the start-up/shut-down cycle is frequently repeated. The requirements for the support of the electrocatalyst include high surface area, electrical conductivity, chemical stability, and so on. In this study, we propose the evaluation methods for choosing better support materials and present the physicochemical properties that promising carbon supports should have. Three kinds of carbon materials with different crystallinity are compared. From in-depth study using X-ray diffraction, Raman spectroscopy, thermogravimetric analysis, and accelerated stress test, it is clearly confirmed that the durability of carbon-supported electrocatalysts is closely related to the physicochemical properties of the carbon supports.
목차
Abstract
1. 서론
2. 실험
3. 결과 및 고찰
4. 결론
References
참고문헌 (21)
참고문헌 신청
Rod L. Borup / 2006 / PEM fuel cell electrocatalyst durability measurements / Journal of Power Sources 163(1):76~81
Rod Borup / 2007 / Scientific Aspects of Polymer Electrolyte Fuel Cell Durability and Degradation / Chemical Reviews 107(10):3904~3951
Peter Strasser / 2016 / Dealloyed Pt-based core-shell oxygen reduction electrocatalysts / Nano Energy 29:166~177
Minhua Shao / 2016 / Recent Advances in Electrocatalysts for Oxygen Reduction Reaction / Chemical Reviews 116(6):3594~3657
Jahowa Islam / 2019 / Durability enhancement of a Pt/C electrocatalyst using silica-coated carbon nanofiber as a corrosion-resistant support / International Journal of Hydrogen Energy 44(8):4177~4187
Rod Borup / 2007 / Scientific Aspects of Polymer Electrolyte Fuel Cell Durability and Degradation / Chemical Reviews 107(10):3904~3951
Peter Strasser / 2016 / Dealloyed Pt-based core-shell oxygen reduction electrocatalysts / Nano Energy 29:166~177
Minhua Shao / 2016 / Recent Advances in Electrocatalysts for Oxygen Reduction Reaction / Chemical Reviews 116(6):3594~3657
Jahowa Islam / 2019 / Durability enhancement of a Pt/C electrocatalyst using silica-coated carbon nanofiber as a corrosion-resistant support / International Journal of Hydrogen Energy 44(8):4177~4187
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