氢储能与卡诺电池集成储能系统的设计与分析

IF 9.9 1区工程技术 Q1 ENERGY & FUELS

Energy Conversion and Management Pub Date : 2025-03-14 DOI:10.1016/j.enconman.2025.119734

Ju Guan , Wei Han , Qibin Liu , Fan Jiao , Wenjing Ma

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引用次数: 0

摘要

随着可再生能源容量的持续激增，其发电的波动性和间歇性在与波动的用户负荷相一致时造成供需之间的不匹配。因此，开发大规模、高效、快速响应、长寿命的储能系统是迫切需要的。提出了一种新型的氢能与卡诺电池相结合的集成储能系统。卡诺电池作为稳定、大规模储能的基本负荷，而氢储能（PEMEC和SOFC）作为调节负荷，灵活吸收多余的可再生电力，及时响应用户需求。集成系统还有效地利用SOFC产生的高温废物来提高卡诺电池的往返效率（RTE），从而提高整个系统的RTE。对所提出的系统和参考系统进行了能量和火用分析。结果表明，该系统的总体RTE为57.48%，卡诺电池的RTE为71.98%，与参考系统相比分别提高了5.71%和11.32%。分析了效率提高的机制，并探讨了储氢电池和卡诺电池之间的容量分配对系统整体性能的影响。

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Proposal and analysis of an energy storage system integrated hydrogen energy storage and Carnot battery

As renewable energy capacity continues to surge, the volatility and intermittency of its generation poses a mismatch between supply and demand when aligned with the fluctuating user load. Consequently, there’s a pressing need for the development of large-scale, high-efficiency, rapid-response, long-duration energy storage system. This study presents a novel integrated energy storage system combining hydrogen energy storage and Carnot battery. Carnot battery serves as the base load for stable, large-scale energy storage, while hydrogen energy storage (PEMEC and SOFC) serves as the regulated load to flexibly absorbs excess renewable electricity and responds promptly to user demand. The integrated system also effectively leverages high-temperature waste from the SOFC to boost Carnot battery’s round-trip efficiency (RTE), enhancing overall system RTE. Energy and exergy analyses are conducted for both the proposed system and a reference system. Results indicate that the proposed system achieves an overall RTE of 57.48% and an RTE of 71.98% for the Carnot Battery, improvements of 5.71% and 11.32%, respectively, compared to the reference system. The mechanisms underlying the efficiency improvements are analyzed, and the impact of capacity allocation between hydrogen storage and the Carnot battery on overall system performance is explored.

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来源期刊

Energy Conversion and Management 工程技术-力学

CiteScore

19.00

自引率

11.50%

发文量

1304

审稿时长

17 days

期刊介绍： The journal Energy Conversion and Management provides a forum for publishing original contributions and comprehensive technical review articles of interdisciplinary and original research on all important energy topics. The topics considered include energy generation, utilization, conversion, storage, transmission, conservation, management and sustainability. These topics typically involve various types of energy such as mechanical, thermal, nuclear, chemical, electromagnetic, magnetic and electric. These energy types cover all known energy resources, including renewable resources (e.g., solar, bio, hydro, wind, geothermal and ocean energy), fossil fuels and nuclear resources.