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首页> 外文期刊>Energy Conversion & Management >Research on the feasibility of compressed carbon dioxide energy storage system with underground sequestration in antiquated mine goaf
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Research on the feasibility of compressed carbon dioxide energy storage system with underground sequestration in antiquated mine goaf

机译：废旧矿井地下隔离压缩二氧化碳能量储存系统可行性研究

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摘要

Energy storage has recently attracted a great attention as a promising way to utilize the fluctuating renewable energy. This paper proposes a novel carbon dioxide energy storage system, where the energy is stored and released in antiquated mine goaf with a simultaneous benefit of carbon dioxide storage. Different system configurations and their performances are evaluated based on solving steady-state thermodynamic models. Meanwhile, a parametric analysis considering the seepage process is carried out to examine the effect of key factors including heat exchange parameters, device efficiencies, design pressures, reservoir parameters and gas purifies. Besides, a detailed assessment of the system performance in different energy storage cases is conducted to investigate the effects of economic factors. The results show that the system performance can be improved with less compression stage and more expansion stage. The Round Trip Efficiency can be decreased with high Green Energy Index with the increase in reservoir permeability and ambient temperature. The economic analysis suggests that system operates with energy storage can make profit in most step tariff existing cases. The standalone energy storage system shows economic advantage only when the carbon taxes are lower than 47 USD/t and 68 USD/t compared to the integrated system and standalone carbon dioxide storage system, respectively.
机译：储能最近吸引了一种充满希望的可再生能源的有希望的方式。本文提出了一种新型二氧化碳能量存储系统，其中能量在蒸馏出的矿井去空间中储存和释放，并同时益于二氧化碳储存。基于求解稳态热力学模型来评估不同的系统配置及其性能。同时，考虑渗流过程的参数分析进行了检查，以检查包括热交换参数，器件效率，设计压力，储层参数和气体净化等关键因素的效果。此外，对不同能量储存案例的系统性能进行了详细的评估，以研究经济因素的影响。结果表明，系统性能可以通过更少的压缩阶段和更多的扩展阶段提高。随着储层渗透率和环境温度的增加，往返往返效率可以降低。经济分析表明，系统与储能器运行可以在大多数阶段关税现有案件中赚取利润。独立的储能系统仅显示经济优势，只有与集成系统和独立二氧化碳储存系统的碳税低于47美元和68美元/吨。

著录项

  • 来源
    《Energy Conversion & Management》 |2020年第5期|112788.1-112788.10|共10页
  • 作者

    Cao Zheng; Deng Jianqiang; Zhou Shenghui; He Yang;

  • 作者单位

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Xian 710049 Peoples R China|Shaanxi Key Lab Energy Chem Proc Intensificat Xian 710049 Peoples R China;

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Xian 710049 Peoples R China|Shaanxi Key Lab Energy Chem Proc Intensificat Xian 710049 Peoples R China;

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Xian 710049 Peoples R China|Shaanxi Key Lab Energy Chem Proc Intensificat Xian 710049 Peoples R China;

    Xi An Jiao Tong Univ Sch Chem Engn & Technol Xian 710049 Peoples R China|Shaanxi Key Lab Energy Chem Proc Intensificat Xian 710049 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Energy storage; Parametric analysis; Thermodynamic model; Carbon dioxide storage;

    机译：能量存储;参数分析;热力学模型;二氧化碳储存;

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