作为氢载体的氨:与燃料电池集成发电过程的能量评估

IF 5.3 3区 工程技术 Q2 ENERGY & FUELS
Maria Portarapillo, Augusto Bellucci Sessa, Danilo Russo* and Almerinda di Benedetto, 
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引用次数: 0

摘要

在近期氢经济的背景下,氨被认为是中短期内最有前途的氢载体之一。作为向新能源模式更广泛过渡的一部分,完善和广泛的氨基础设施可以作为绿色氢运输、储存和利用的平台。本研究通过Aspen Plus模拟分析了与不同类型燃料电池相结合的氨利用工艺配置。评估的重点是整体能量效率(根据采用的配置,范围从31.20%到51.50%)、自热率(根据采用的工艺配置,范围从42.00到100.00%)和外部热源排放(0.03-0.07 kgCO2/kWh)。对不同燃料电池效率(50.0% - 65.0%)进行参数化评估。结果表明,高温PEMFC和直接氨固体氧化物燃料电池(sofc)在总效率(分别为40.2 - 51.5%和35.00-52.0%)和氮稀释(高达25.0%)下实现自热操作的可行性之间取得了平衡。考虑到技术成熟度和使用寿命,高温pemfc和sofc成为此类集成系统中很有前途的组件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ammonia as a Hydrogen Carrier: Energetic Assessment of Processes Integrated with Fuel Cells for Power Generation

In the context of the near-future hydrogen economy, ammonia is regarded as one of the most promising hydrogen carriers in the short-to-medium term. As part of the broader transition to a new energy paradigm, the well-established and extensive ammonia infrastructure can serve as a platform for green hydrogen transportation, storage, and utilization. This study analyzes various process configurations integrated with different types of fuel cells for ammonia utilization through Aspen Plus simulations. The evaluation focuses on overall energetic efficiency (ranging from 31.20 to 51.50% depending on the adopted configuration), autothermality (42.00 to 100.00%, based on the adopted process configuration), and emissions from external heat sources (0.03–0.07 kgCO2/kWh). Assessments are conducted parametrically across different fuel cell efficiencies (50.0–65.0%). Results suggest that high-temperature PEMFC and direct ammonia solid oxide fuel cells (SOFCs) offer a balance between overall efficiency (40.2–51.5 and 35.00–52.0%, respectively) and feasibility of achieving autothermal operations under nitrogen dilution (up to 25.0%). Considering technological maturity and operational lifespan, high-temperature PEMFCs and SOFCs emerge as a promising component for such integrated systems.

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来源期刊
Energy & Fuels
Energy & Fuels 工程技术-工程:化工
CiteScore
9.20
自引率
13.20%
发文量
1101
审稿时长
2.1 months
期刊介绍: Energy & Fuels publishes reports of research in the technical area defined by the intersection of the disciplines of chemistry and chemical engineering and the application domain of non-nuclear energy and fuels. This includes research directed at the formation of, exploration for, and production of fossil fuels and biomass; the properties and structure or molecular composition of both raw fuels and refined products; the chemistry involved in the processing and utilization of fuels; fuel cells and their applications; and the analytical and instrumental techniques used in investigations of the foregoing areas.
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