期刊
CERAMICS INTERNATIONAL
卷 47, 期 14, 页码 20486-20493出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2021.04.058
关键词
Pyroelectric effect; Silicon carbide; Hydrogen evolution
资金
- Program for Innovative Research Team in University of Tianjin [TD135042]
This study utilized the pyroelectric performance of silicon carbide for hydrogen evolution from water splitting, demonstrating its high catalytic activity and chemical stability under cold-hot alternation. The hydrogen yield after 20 cycles reached up to 32.84 limol/g, showing the potential of silicon carbide in hydrogen production.
In this study, with silicon carbide as a pyroelectric catalyst, the reactor was alternatively removed between a hot water bath and a cold water bath, which ensured the cold-hot circulation within 300-333 K at room temperature. Then the pyroelectric performance of silicon carbide was utilized in hydrogen evolution from water splitting. With methanol as the sacrificial agent, the hydrogen yield after 20 cycles was up to 32.84 limol/g. Silicon carbide demonstrates high catalytic activity and together with its chemical stability, it shows potential in hydrogen production from water splitting under cold-hot alternation.
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