【摘要】 对K₂CO₃热化学储能的研究现状进行了综述,介绍了K₂CO₃反应方程式,归纳了能量密度、最低熔点、潮解蒸气压等基本数据,分析了反应过程中出现杂质KHCO₃的条件,讨论了水蒸汽压、反应温度和加热速率等因素对水合和脱水过程的影响,及纯K₂CO₃水合速率缓慢等问题的改进方法。最后,总结了K₂CO₃水合与脱水反应的适用温度范围等,阐述了其有待研究的方向。更多还原

【Abstract】 The research status of potassium carbonate（K₂CO₃）thermochemical energy storage was reviewed.The K₂CO₃ reaction equation was introduced.The basic data such as energy density,minimum melting point,and deliquescent vapor pressure were summarized.The improved methods for the effects of water vapor pressure,reaction temperature,heating rate and other factors on the hydration and dehydration process and the slow hydration rate of pure potassium carbonate were discussed.Finally,the applicable temperature range of K₂CO₃ hydration and dehydration reaction was summarized,and the studied direction was expounded.更多还原