期刊
SCIENCE ADVANCES
卷 8, 期 43, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.ade0189
关键词
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资金
- Environment Research and Technology Development Fund of the Environmental Restoration and Conservation Agency by the Ministry of the Environment of Japan [JPMEERF20211R01]
- Adaptable and Seamless Technology Transfer Program through Target-driven R&D (A-STEP) from the Japan Science and Technology Agency (JST)
- Yazaki Memorial Foundation for Science and Technology
- Izumi Science and Technology Foundation
- Arai Science and Technology Promotion Foundation
- ENEOS Tonen General Research/Development Encouragement & Scholarship Foundation
The article presents a strategy for separating H2 and storing it in N-heterocyclic compounds, as well as the application of this method in H2 purification.
Molecular hydrogen (H2) is one of the most important energy carriers. In the midterm future, a huge amount of H2 will be produced from a variety of hydrocarbon sources through conversion and removal of contaminants such as CO and CO2. However, bypassing these purification processes is desirable, given their energy consumption and environmental impact, which ultimately increases the cost of H2. Here, we demonstrate a strategy to separate H2 from a gaseous mixture of H2/CO/CO2/CH4 that can include an excess of CO and CO2 relative to H2 and simultane-ously store it in N-heterocyclic compounds that act as liquid organic hydrogen carriers (LOHCs), which can be ap-plied to produce H2 by subsequent dehydrogenation. Our results demonstrate that LOHCs can potentially be used for H2 purification from CO-and CO2-rich crude H2 in addition to their well-established use in H2 storage.
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