| 학회 | 한국공업화학회 |
| 학술대회 | 2021년 봄 (05/12 ~ 05/14, 부산 벡스코(BEXCO)) |
| 권호 | 25권 1호 |
| 발표분야 | 포스터-무기재료 |
| 제목 | Investigation of electrodeposited rhenium-cobalt catalyst for hydrogen evolution reaction |
| 초록 | As environmental pollution becomes an issue, hydrogen is considered as a promising candidate for energy source. Water electrolysis can produce high-purity hydrogen without carbon emission when it connected with renewable energy. Water electrolysis include hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). For HER, platinum showed the highest activity due to its proper hydrogen binding energy. On the other hand, rhenium displays a comparable hydrogen binding energy to that of Pt. In this study, rhenium-cobalt alloy was directly electrodeposited on carbon paper. The Re content and loading amount can be controlled by varying the electrodeposition condition. The rhenium-cobalt alloy catalyst showed higher HER activity than rhenium oxide, which was electrodeposited without cobalt precursor. Finally, the activation energy (Ea) for acidic HER was obtained by Arrhenius plot. Compared to rhenium oxide, rhenium-cobalt demonstrated the lower Ea of 8.99 kJ mol–1 K–1. |
| 저자 | 김현기, 김준형, 한경호, 안상현 |
| 소속 | 중앙대 |
| 키워드 | Water electrolysis; hydrogen evolution reaction; electrodeposition; rhenium |
