Study on the Heating Capacity of Air-Supplemented Heating and Heat Pump-Coupled Compressed Air Energy Storage Systems

LI Baoqi; HE Yang; CHEN Haisheng; XU Yujie; DENG Jianqiang

doi:10.7652/xjtuxb202605003

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Study on the Heating Capacity of Air-Supplemented Heating and Heat Pump-Coupled Compressed Air Energy Storage Systems

Special Issue Energy Storage Technology | 更新时间：2026-04-27

- Study on the Heating Capacity of Air-Supplemented Heating and Heat Pump-Coupled Compressed Air Energy Storage Systems
- Journal of Xi'an Jiaotong University Vol. 60, Issue 5, Pages: 24-34(2026)
- 作者机构：
  
  西安交通大学化学工程与技术学院，710049，西安
  中国科学院工程热物理研究所，100190，北京
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202605003
  CLC： TB61;TB63
- Received：29 May 2025，
  
  Published：10 May 2026
- 稿件说明：
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LI Baoqi, HE Yang, CHEN Haisheng, et al. Study on the Heating Capacity of Air-Supplemented Heating and Heat Pump-Coupled Compressed Air Energy Storage Systems[J]. Journal of Xi'an Jiaotong University, 2026, 60(5): 24-34.
DOI：

LI Baoqi, HE Yang, CHEN Haisheng, et al. Study on the Heating Capacity of Air-Supplemented Heating and Heat Pump-Coupled Compressed Air Energy Storage Systems[J]. Journal of Xi'an Jiaotong University, 2026, 60(5): 24-34. DOI： 10.7652/xjtuxb202605003.

摘要

绝热压缩空气储能系统（A-CAES）运行过程中冷、热、电多能流强烈耦合、输出此消彼长，且相较于供电能力其供热能力不足，针对高热负荷的应用场景，提出了空气补热型（SH-CAES）与热泵耦合型（HP-CAES）两种耦合系统以强化A-CAES的供热能力。基于600户居民小区供电和供热需求，设计了3MW/22.5 MW·h的A-CAES、SH-CAES、HP-CAES3种储能系统，通过构建3种储能系统的热力学模型，比较了不同环境温度、压缩/膨胀机级数及预热水流量下3种储能系统性能。研究结果表明，在保障供电需求的情况下，SH-CAES在相对低温的高纬度环境中供热效率

最高，

为98.7%，较传统热电厂集中供热（CHTP）提升33.7%；HP-CAES在相对高温的低纬度环境中

最高，

为133.05%，较CHTP提升68.05%。随着压缩机级数、膨胀机级数及预热水流量降低，SH-CAES与HP-CAES系统对外热输出增加。经济性分析结果表明，SH-CAES与HP-CAES在低纬度时静态投资回收期较A-CAES分别缩短了20.75%与31.08%，较CHTP分别缩短了43.26%与52.28%。该研究为区域低碳、高效、经济地供热提供了新的技术路径和理论参考。

Abstract

In adiabatic compressed air energy storage (A-CAES) systems

the strong coupling of cold

heat

and electricity during operation leads to trade-offs in their outputs

and the heating capacity is insufficient compared to the power supply capacity. To address high-heating-demand scenarios

two coupled systems—air-supplemented heating (SH-CAES) and heat pump-coupled (HP-CAES) —are proposed to enhance the heating capacity of A-CAES. Based on the power and heating demands of a residential community of 600 households

three energy storage systems—A-CAES

SH-CAES

and HP-CAES—with a capacity of 3 MW/22.5 MW·h were designed. By constructing thermodynamic models for the three systems

their performances under different ambient temperatures

compressor/expander stages

and preheated water flow rates were analyzed and compared. The results show that while meeting power supply requirements

H-CAES achieves the highest heating efficiency (

) of 98.7% in relatively low-temperature

high-latitude environments

representing a 33.7% improvement over conventional combined heat and power plants (CHTP). HP-CAES achieves the highest

of 133.05% in relatively high-temperature

low-latitude environments

representing a 68.05% improvement over CHTP. As the number of compressor stages

expander stages

and preheated water flow rate decrease

the external heat output of both SH-CAES and HP-CAES systems increases. Economic analysis results indicate that in low-latitude regions

the static payback periods for SH-CAES and HP-CAES are shortened by 20.75% and 31.08%

respectively

compared to A-CAES

and by 43.26% and 52.28%

respectively

compared to CHTP. This study provides new technical pathways and theoretical references for achieving low-carbon

efficient

and economical regional heating.

关键词

Keywords

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