Progress in multiscale research on calcium-looping for thermochemical energy storage: From materials to systems

IF 32 1区工程技术 Q1 ENERGY & FUELS Progress in Energy and Combustion Science Pub Date : 2024-10-10 DOI:10.1016/j.pecs.2024.101194

Xikun Tian, Sijia Guo, Xiaojun Lv, Shangchao Lin, Chang-Ying Zhao

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Abstract

Thermochemical energy storage (TCES) based on calcium-looping (CaL) has great potential to mitigate the intermittency and instability problems of solar energy harvesting, especially for high-temperature solar thermal utilization. The CaCO₃/CaO TCES system has been the focus of intense research over the past few decades for its advantages of high energy storage density, natural abundance of raw materials, low cost, and environmentally benign nature, simultaneously. Although some properties of the CaCO₃/CaO TCES system have been concluded, few of them consider the relationships between structures and performances at multiple time and length scales. Herein, we summarize the multiscale developments of the CaCO₃/CaO-based TCES systematically, including atomic-scale mechanisms, reaction thermodynamics, cyclic stabilities, energy storage/release properties in reactors, operations, and efficiency optimizations at a system level. This review aims to broaden research interests in multiscale structure-function relationships in the field of TCES and provide constructive references for exploring advanced methods and mature technologies for material development, reactor upgradation, and system optimization. Finally, it will promote the large-scale industrial applications of calcium-looping for thermochemical energy storage.

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用于热化学储能的钙循环多尺度研究进展：从材料到系统

基于钙循环（CaL）的热化学储能（TCES）在缓解太阳能收集的间歇性和不稳定性问题方面具有巨大潜力，尤其是在高温太阳能热利用方面。CaCO3/CaO TCES 系统同时具有储能密度高、原材料天然丰富、成本低廉和对环境无害等优点，因此在过去几十年中一直是研究的热点。虽然人们已经总结了 CaCO3/CaO TCES 系统的一些特性，但很少有研究考虑到在多个时间和长度尺度上结构与性能之间的关系。在此，我们系统地总结了基于 CaCO3/CaO 的 TCES 的多尺度发展，包括原子尺度机理、反应热力学、循环稳定性、反应器中的能量存储/释放特性、操作以及系统级的效率优化。本综述旨在拓宽 TCES 领域对多尺度结构-功能关系的研究兴趣，并为探索材料开发、反应堆升级和系统优化的先进方法和成熟技术提供建设性参考。最后，它将促进钙环热化学储能的大规模工业应用。

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来源期刊

Progress in Energy and Combustion Science 工程技术-工程：化工

CiteScore

59.30

自引率

0.70%

发文量

审稿时长

3 months

期刊介绍： Progress in Energy and Combustion Science (PECS) publishes review articles covering all aspects of energy and combustion science. These articles offer a comprehensive, in-depth overview, evaluation, and discussion of specific topics. Given the importance of climate change and energy conservation, efficient combustion of fossil fuels and the development of sustainable energy systems are emphasized. Environmental protection requires limiting pollutants, including greenhouse gases, emitted from combustion and other energy-intensive systems. Additionally, combustion plays a vital role in process technology and materials science. PECS features articles authored by internationally recognized experts in combustion, flames, fuel science and technology, and sustainable energy solutions. Each volume includes specially commissioned review articles providing orderly and concise surveys and scientific discussions on various aspects of combustion and energy. While not overly lengthy, these articles allow authors to thoroughly and comprehensively explore their subjects. They serve as valuable resources for researchers seeking knowledge beyond their own fields and for students and engineers in government and industrial research seeking comprehensive reviews and practical solutions.