光热发电用熔盐及储盐材料腐蚀行为研究进展  

Research Progress on Corrosion Behavior of Molten Salt and Molten Salt Storage Materials for Solar Photothermal Power Generation

作　　者：仇秋玲 张艳梅[1] 饶万 CHOU Qiuling;ZHANG Yanmei;RAO Wan(Academia Sinica of Shanghai Electric Group Co.,Ltd.,Shanghai 200070,China;School of Materials Science and Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China)

机构地区：[1]上海电气集团股份有限公司中央研究院,上海200070 [2]兰州交通大学材料科学与工程学院,甘肃兰州730070

出　　处：《材料保护》2024年第3期157-165,共9页Materials Protection

基　　金：上海市2023年度“科技创新行动计划”科技支撑碳达峰碳中和专项(23DZ1200902);甘肃省重点研发计划(22YF7GA138)资助。

摘　　要：集中式太阳能(CSP)光热发电技术利用可再生清洁能源太阳能将热能转化为电能,具有良好的应用前景。对于CSP技术,熔盐是吸热、储热介质,熔盐和储盐材料的研究及发展是关键。从腐蚀动力学、腐蚀产物、熔盐本征等角度分析了不同储盐材料在熔融硝酸盐、碳酸盐、氯盐和氟盐等几种熔盐介质中的腐蚀行为,最后对太阳能光热发电用熔盐及储盐材料进行了总结与展望。Concentrated solar power(CSP)photothermal power generation technology utilizes renewable clean energy solar energy to convert thermal energy into electrical energy,offering promising application prospects.In CSP technology,molten salt serves as the medium for heat absorption and storage.Thus,the research and development of molten salt and salt storage materials are key.In this paper,the corrosion be-haviors of different salt storage materials in molten salt media such as molten nitrate,carbonate,chlorine and fluoride salts were analyzed from the perspectives of corrosion kinetics,corrosion products and molten salt intrinsic properties.Finally,molten salt and salt storage materials for solar photothermal power generation were summarized,and the prospects were discussed.

关 键 词：太阳能光热发电 储盐材料 熔盐 腐蚀动力学 腐蚀产物 

分 类 号：TG172[金属学及工艺—金属表面处理]