太阳能热化学储能钙基载能体的转动成型研究

王继福; 刘云博; 丁正新; 王鹏照; 魏进家; 龙金林

doi:10.19912/j.0254-0096.tynxb.2025-0604

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (8) : 68-74. DOI: 10.19912/j.0254-0096.tynxb.2025-0604

太阳能热化学储能钙基载能体的转动成型研究

王继福¹, 刘云博¹, 丁正新², 王鹏照¹, 魏进家³, 龙金林²

作者信息 +

RESEARCH ON ROTATIONAL MOLDING OF CALCIUM-BASED ENERGY CARRIERS FOR SOLAR THERMOCHEMICAL ENERGY STORAGE

Wang Jifu¹, Liu Yunbo¹, Ding Zhengxin², Wang Pengzhao¹, Wei Jinjia³, Long Jinlin²

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文章历史 +

摘要

采用转动成型法实现直径2~3 mm钙基载能体小球的制备和吨级放大。通过对转动成型工艺优化,使用自制的铝溶胶,得到Fe：Mn：Mg：Ca原子比为3：3：10：100、Al₂O₃的质量分数为10%的钙基载能体,其中Al和Mg分布均匀,Fe和Mn由内向外梯度增多。该颗粒具有较高的压碎强度和抗烧结稳定性、良好的球形度和吸光度,在25次碳酸化/煅烧反应循环后仍保留有1368 kJ/kg的储能密度,在聚光太阳能热化学储能中表现出巨大的应用潜力。

Abstract

This study uses rotational granulation to shape Ca-based pellets with a 2-3 mm diameter and achieves its ton-scale production. By using self-made aluminum sol and optimizing the rotational granulation process, Ca-based pellets with an atomic ratio of Fe：Mn∶Mg∶Ca=3∶3∶10∶100 and 10% Al₂O₃ content are obtained. Al and Mg elements are uniformly distributed, while Fe and Mn exhibit a gradient increase from the interior to the exterior. The pellets demonstrate high crushing strength, anti-sintering stability, excellent sphericity, and strong light absorptivity. After 25 carbonation/calcination cycles, the material retains an energy storage density of 1368 kJ/kg, showcasing potential for application in CSP thermochemical energy storage.

导出引用

王继福, 刘云博, 丁正新, 王鹏照, 魏进家, 龙金林. 太阳能热化学储能钙基载能体的转动成型研究[J]. 太阳能学报. 2026, 47(8): 68-74 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0604

Wang Jifu, Liu Yunbo, Ding Zhengxin, Wang Pengzhao, Wei Jinjia, Long Jinlin. RESEARCH ON ROTATIONAL MOLDING OF CALCIUM-BASED ENERGY CARRIERS FOR SOLAR THERMOCHEMICAL ENERGY STORAGE[J]. Acta Energiae Solaris Sinica. 2026, 47(8): 68-74 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0604

中图分类号： TM615 TQ426.68

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