摘要
储能是实现“2030年碳达峰、2060年碳中和”的关键技术,压缩空气储能具有储能容量大、系统效率高和运行寿命长等优点,是一种适合大范围推广的规模化电力储能技术,也是电网侧规模化消纳可再生能源发电的重要手段。通过对压缩空气储能技术的发展过程进行综述,全面阐述不同形式压缩空气储能系统的工作原理、研究现状以及目前所面临的挑战,从压缩热储存角度分析压缩空气储能未来发展趋势,为压缩空气储能系统的设计提供参考。研究结果显示,随着高温储热技术的发展,高温绝热压缩空气储能技术因其效率优势成为未来压缩空气储能技术发展的热门方向。使用低熔点熔盐作为压缩空气储能系统中储存高温压缩机压缩热的储热介质,可以将压力水的储存温度降低,显著降低压缩空气储能系统的初投资成本。
Energy storage is the key technology to achieve the initiative of"reaching carbon peak in 2030 and carbon neutrality in 2060".Since compressed air energy storage has the advantages of large energy storage capacity,high system efficiency,and long operating life,it is a technology suitable for promotion in large-scale electric energy storage projects,and also an important means of large-scale renewable energy consumption on grid side.The development process,working principles,research statuses and challenges of compressed air energy storage systems in different forms are comprehensively expounded,and the development trend of compressed air energy storage technology is analysed from the perspective of compressed heat storage,providing references for the design for the future systems.The research results show that with the development of high-temperature heat storage technologies,high temperature adiabatic compressed air energy storage technology has become a research hotspot in this field because of its extraordinary working efficiency.Taking the molten salt with low melting point as the heat storage medium of a compressed air energy storage system to store the heat from the high-temperature compressor,can reduce the storage temperature of compressed water and the initial investment cost of the compressed air energy storage system significantly.
作者
万明忠
王元媛
李峻
鹿院卫
赵甜
吴玉庭
WAN Mingzhong;WANG Yuanyuan;LI Jun;LU Yuanwei;ZHAO Tian;WU Yuting(China Energy Digital Technology Group Company Limited,Beijing 100022,China;Key Laboratory of Enhanced Heat Transfer and Energy Conservation/Beijing Key Laboratory of Heat Transfer and Energy Conversion,Beijing University of Technology,Beijing 100124,China)
出处
《综合智慧能源》
CAS
2023年第9期26-31,共6页
Integrated Intelligent Energy
基金
国家重点研发计划项目(2022YFB4202402)
中能建数字科技集团有限公司科技项目(CEECSK-2022-KJ01)。
关键词
碳中和
压缩空气储能
可再生能源
电力系统
储热技术
carbon neutrality
compressed air energy storage
renewable energy
electrical power system
thermal storage technology
作者简介
万明忠(1964),男,正高级工程师,从事压缩空气储能技术研究,mzwan2732@ceec.net.cn;通信作者:鹿院卫(1971),女,教授,博士,从事中高温传热储热技术研究,luyuanwei@bjut.edu.cn。
