Ruddlesden‐Popper‐type perovskite Sr3Fe2O7−δ for enhanced thermochemical energy storage
Abstract Perovskite has been considered a promising thermochemical energy storage material. Such materials can perform redox reactions reversibly under the control of oxygen partial pressure over a wide range of temperatures. Layered perovskites have been poorly studied as energy storage material, a...
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Wiley
2023-07-01
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| Series: | EcoMat |
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| Online Access: | https://doi.org/10.1002/eom2.12347 |
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| author | Yue Zhou Zijian Zhou Jian Sun Lei Liu Fei Luo Guorong Xu Xiangkun Elvis Cao Minghou Xu |
| author_facet | Yue Zhou Zijian Zhou Jian Sun Lei Liu Fei Luo Guorong Xu Xiangkun Elvis Cao Minghou Xu |
| author_sort | Yue Zhou |
| collection | DOAJ |
| description | Abstract Perovskite has been considered a promising thermochemical energy storage material. Such materials can perform redox reactions reversibly under the control of oxygen partial pressure over a wide range of temperatures. Layered perovskites have been poorly studied as energy storage material, although their oxygen species exhibit good oxidation activity. In this work, Ruddlesden‐Popper‐type quasi‐2D perovskite Sr3Fe2O7‐δ and 3D perovskite SrFeO3‐δ were prepared for the testing of thermochemical energy storage properties. It was shown that the degree of reduction reaction for Sr3Fe2O7‐δ was much greater than that of SrFeO3‐δ, with change of non‐stoichiometry up to 0.79. The combined effect of thermodynamic parameters for samples on heat storage behavior was studied by Van't Hoff method. The reduction entropy of Sr3Fe2O7‐δ is much higher than that of SrFeO3‐δ, which explains the large promotion in the reaction degree of SrFeO3‐δ. The total reduction enthalpy of Sr3Fe2O7‐δ is about 2.8 times that of SrFeO3‐δ, with both reduction enthalpy and reaction entropy affecting the heat storage capacity. Sr3Fe2O7‐δ also has an attractive spectral absorption of 96.92% in the range of 300–2500 nm, which makes it advantageous in volumetric solar collector. Overall, Sr3Fe2O7‐δ offers improved performance in terms of thermochemical energy storage compared to SrFeO3‐δ. |
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| language | English |
| last_indexed | 2024-03-12T23:17:55Z |
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| series | EcoMat |
| spelling | doaj.art-f6625a6aca114924bcd9869768839c702023-07-17T00:15:57ZengWileyEcoMat2567-31732023-07-0157n/an/a10.1002/eom2.12347Ruddlesden‐Popper‐type perovskite Sr3Fe2O7−δ for enhanced thermochemical energy storageYue Zhou0Zijian Zhou1Jian Sun2Lei Liu3Fei Luo4Guorong Xu5Xiangkun Elvis Cao6Minghou Xu7State Key Laboratory of Coal Combustion Huazhong University of Science and Technology Wuhan 430074 ChinaState Key Laboratory of Coal Combustion Huazhong University of Science and Technology Wuhan 430074 ChinaJiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Energy and Mechanical Engineering Nanjing Normal University Nanjing 210042 ChinaState Key Laboratory of Coal Combustion Huazhong University of Science and Technology Wuhan 430074 ChinaState Key Laboratory of Coal Combustion Huazhong University of Science and Technology Wuhan 430074 ChinaState Key Laboratory of Coal Combustion Huazhong University of Science and Technology Wuhan 430074 ChinaDepartment of Chemical Engineering Massachusetts Institute of Technology Cambridge Massachusetts 02139 USAState Key Laboratory of Coal Combustion Huazhong University of Science and Technology Wuhan 430074 ChinaAbstract Perovskite has been considered a promising thermochemical energy storage material. Such materials can perform redox reactions reversibly under the control of oxygen partial pressure over a wide range of temperatures. Layered perovskites have been poorly studied as energy storage material, although their oxygen species exhibit good oxidation activity. In this work, Ruddlesden‐Popper‐type quasi‐2D perovskite Sr3Fe2O7‐δ and 3D perovskite SrFeO3‐δ were prepared for the testing of thermochemical energy storage properties. It was shown that the degree of reduction reaction for Sr3Fe2O7‐δ was much greater than that of SrFeO3‐δ, with change of non‐stoichiometry up to 0.79. The combined effect of thermodynamic parameters for samples on heat storage behavior was studied by Van't Hoff method. The reduction entropy of Sr3Fe2O7‐δ is much higher than that of SrFeO3‐δ, which explains the large promotion in the reaction degree of SrFeO3‐δ. The total reduction enthalpy of Sr3Fe2O7‐δ is about 2.8 times that of SrFeO3‐δ, with both reduction enthalpy and reaction entropy affecting the heat storage capacity. Sr3Fe2O7‐δ also has an attractive spectral absorption of 96.92% in the range of 300–2500 nm, which makes it advantageous in volumetric solar collector. Overall, Sr3Fe2O7‐δ offers improved performance in terms of thermochemical energy storage compared to SrFeO3‐δ.https://doi.org/10.1002/eom2.12347quasi‐2D layered perovskiteRuddlesden‐Popper phasethermochemical energy storagethermodynamics |
| spellingShingle | Yue Zhou Zijian Zhou Jian Sun Lei Liu Fei Luo Guorong Xu Xiangkun Elvis Cao Minghou Xu Ruddlesden‐Popper‐type perovskite Sr3Fe2O7−δ for enhanced thermochemical energy storage EcoMat quasi‐2D layered perovskite Ruddlesden‐Popper phase thermochemical energy storage thermodynamics |
| title | Ruddlesden‐Popper‐type perovskite Sr3Fe2O7−δ for enhanced thermochemical energy storage |
| title_full | Ruddlesden‐Popper‐type perovskite Sr3Fe2O7−δ for enhanced thermochemical energy storage |
| title_fullStr | Ruddlesden‐Popper‐type perovskite Sr3Fe2O7−δ for enhanced thermochemical energy storage |
| title_full_unstemmed | Ruddlesden‐Popper‐type perovskite Sr3Fe2O7−δ for enhanced thermochemical energy storage |
| title_short | Ruddlesden‐Popper‐type perovskite Sr3Fe2O7−δ for enhanced thermochemical energy storage |
| title_sort | ruddlesden popper type perovskite sr3fe2o7 δ for enhanced thermochemical energy storage |
| topic | quasi‐2D layered perovskite Ruddlesden‐Popper phase thermochemical energy storage thermodynamics |
| url | https://doi.org/10.1002/eom2.12347 |
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