中高温热化学储热材料研究进展  

Research progress on thermochemical heat storage materials for medium to high temperature applications

作　　者：陈秋宇 李文涛 李竺豫[3] 张怡 李胜 高丽娟[2] 李凯[3] CHEN Qiuyu;LI Wentao;LI Zhuyu;ZHANG Yi;LI Sheng;GAO Lijuan;LI Kai(Power China Eco-Environmental Group Co.,Ltd.,Shenzhen 518100,China;Power China Northwest Engineering Corporation Limited,Xi’an 710065,China;National Engineering Research Center of New Energy Power Generation,North China Electric Power University,Beijing 102206,China;Southwest Electric Power Design Institute Co.,Ltd.of China Power Engineering Consulting Group,Chengdu 610056,China)

机构地区：[1]中电建生态环境集团有限公司,广东深圳518100 [2]中国电建集团西北勘测设计研究院有限公司,陕西西安710065 [3]华北电力大学新能源发电国家工程研究中心,北京102206 [4]中国电力工程顾问集团西南电力设计院有限公司,四川成都610056

出　　处：《热力发电》2024年第6期12-20,共9页Thermal Power Generation

基　　金：国家自然科学基金项目(52276188);江苏省碳达峰碳中和科技创新专项(BE2022307);“西安英才计划”青年人才项目(XAYCQN21002)。

摘　　要：可再生能源在利用过程中存在瞬时性、不稳定性以及供应与需求不匹配等问题。热化学储热技术具有储能密度大、储热温度高等特点,能够实现高效长时储热,可以将不稳定的可再生能源转化为稳定的中高温热能,并满足用户侧的波动需求。针对工作温度范围为400~1 100℃的中高温热化学储热材料,阐述了其分类、基本原理和特点,系统总结了碳酸盐、氢氧化物、氧化物、金属氢化物、氨和甲烷等典型热化学储热材料及其储热性能,分析了其结构定向调控及改性方法,并对典型的工程应用进行了介绍;分析了固-气和气-气反应体系的反应器设计及系统集成的研究进展,并针对优质热化学储能材料在开发及工业应用方面存在的问题,指出了未来的发展方向。Renewable energy suffers some drawbacks such as instantaneity,instability,and the mismatch between supply and demand during the utilization.Thermochemical heat storage exhibits distinct advantages,including high heat storage density,elevated heat storage temperature,and negligible heat loss during the long-term storage.It has the capability to convert intermittent energy sources into stable moderate and high temperature heat energy to fulfill the needs of fluctuating output.The classification,basic mechanisms and characteristics of thermochemical heat storage within reaction temperature range of 400~1100℃are reviewed.Subsequently,the thermal storage performance of typical thermochemical heat storage materials,such as carbonates,hydroxides,oxides,metal hydrides,ammonia and methane are analyzed,and the structural targeted regulation and modification methods are investigated,alongside the introduction of typical demonstration projects.Following this,the reactor design and system integration of solid-gas and gas-gas reaction systems are discussed.In the last,the future research interests are deliberated and proposed in the development and industrial application of thermochemical energy storage materials.

关 键 词：热化学储热 中高温 储热材料 

分 类 号：TB34[一般工业技术—材料科学与工程]