Research Progress of Perovskite-Based Bifunctional Oxygen Electrocatalyst in Alkaline Conditions
In light of the depletion of conventional energy sources, it is imperative to conduct research and development on sustainable alternative energy sources. Currently, electrochemical energy storage and conversion technologies such as fuel cells and metal-air batteries rely heavily on precious metal ca...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-10-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/28/20/7114 |
| _version_ | 1827720282485293056 |
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| author | Kailin Fu Weijian Chen Feng Jiang Xia Chen Jianmin Liu |
| author_facet | Kailin Fu Weijian Chen Feng Jiang Xia Chen Jianmin Liu |
| author_sort | Kailin Fu |
| collection | DOAJ |
| description | In light of the depletion of conventional energy sources, it is imperative to conduct research and development on sustainable alternative energy sources. Currently, electrochemical energy storage and conversion technologies such as fuel cells and metal-air batteries rely heavily on precious metal catalysts like Pt/C and IrO<sub>2</sub>, which hinders their sustainable commercial development. Therefore, researchers have devoted significant attention to non-precious metal-based catalysts that exhibit high efficiency, low cost, and environmental friendliness. Among them, perovskite oxides possess low-cost and abundant reserves, as well as flexible oxidation valence states and a multi-defect surface. Due to their advantageous structural characteristics and easily adjustable physicochemical properties, extensive research has been conducted on perovskite-based oxides. However, these materials also exhibit drawbacks such as poor intrinsic activity, limited specific surface area, and relatively low apparent catalytic activity compared to precious metal catalysts. To address these limitations, current research is focused on enhancing the physicochemical properties of perovskite-based oxides. The catalytic activity and stability of perovskite-based oxides in Oxygen Reduction Reaction/Oxygen Evolution Reaction (ORR/OER) can be enhanced using crystallographic structure tuning, cationic regulation, anionic regulation, and nano-processing. Furthermore, extensive research has been conducted on the composite processing of perovskite oxides with other materials, which has demonstrated enhanced catalytic performance. Based on these different ORR/OER modification strategies, the future challenges of perovskite-based bifunctional oxygen electrocatalysts are discussed alongside their development prospects. |
| first_indexed | 2024-03-10T21:01:07Z |
| format | Article |
| id | doaj.art-e936ee39178242f4b08ec4727fc221ea |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-10T21:01:07Z |
| publishDate | 2023-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-e936ee39178242f4b08ec4727fc221ea2023-11-19T17:32:57ZengMDPI AGMolecules1420-30492023-10-012820711410.3390/molecules28207114Research Progress of Perovskite-Based Bifunctional Oxygen Electrocatalyst in Alkaline ConditionsKailin Fu0Weijian Chen1Feng Jiang2Xia Chen3Jianmin Liu4Department of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, ChinaDepartment of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, ChinaDepartment of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, ChinaSichuan Volcational College of Cultural Industries, Chengdu 610213, ChinaNational Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen 333000, ChinaIn light of the depletion of conventional energy sources, it is imperative to conduct research and development on sustainable alternative energy sources. Currently, electrochemical energy storage and conversion technologies such as fuel cells and metal-air batteries rely heavily on precious metal catalysts like Pt/C and IrO<sub>2</sub>, which hinders their sustainable commercial development. Therefore, researchers have devoted significant attention to non-precious metal-based catalysts that exhibit high efficiency, low cost, and environmental friendliness. Among them, perovskite oxides possess low-cost and abundant reserves, as well as flexible oxidation valence states and a multi-defect surface. Due to their advantageous structural characteristics and easily adjustable physicochemical properties, extensive research has been conducted on perovskite-based oxides. However, these materials also exhibit drawbacks such as poor intrinsic activity, limited specific surface area, and relatively low apparent catalytic activity compared to precious metal catalysts. To address these limitations, current research is focused on enhancing the physicochemical properties of perovskite-based oxides. The catalytic activity and stability of perovskite-based oxides in Oxygen Reduction Reaction/Oxygen Evolution Reaction (ORR/OER) can be enhanced using crystallographic structure tuning, cationic regulation, anionic regulation, and nano-processing. Furthermore, extensive research has been conducted on the composite processing of perovskite oxides with other materials, which has demonstrated enhanced catalytic performance. Based on these different ORR/OER modification strategies, the future challenges of perovskite-based bifunctional oxygen electrocatalysts are discussed alongside their development prospects.https://www.mdpi.com/1420-3049/28/20/7114perovskite oxidebifunctional electrocatalystoxygen reduction reactionoxygen evolution reactionmodification strategy |
| spellingShingle | Kailin Fu Weijian Chen Feng Jiang Xia Chen Jianmin Liu Research Progress of Perovskite-Based Bifunctional Oxygen Electrocatalyst in Alkaline Conditions Molecules perovskite oxide bifunctional electrocatalyst oxygen reduction reaction oxygen evolution reaction modification strategy |
| title | Research Progress of Perovskite-Based Bifunctional Oxygen Electrocatalyst in Alkaline Conditions |
| title_full | Research Progress of Perovskite-Based Bifunctional Oxygen Electrocatalyst in Alkaline Conditions |
| title_fullStr | Research Progress of Perovskite-Based Bifunctional Oxygen Electrocatalyst in Alkaline Conditions |
| title_full_unstemmed | Research Progress of Perovskite-Based Bifunctional Oxygen Electrocatalyst in Alkaline Conditions |
| title_short | Research Progress of Perovskite-Based Bifunctional Oxygen Electrocatalyst in Alkaline Conditions |
| title_sort | research progress of perovskite based bifunctional oxygen electrocatalyst in alkaline conditions |
| topic | perovskite oxide bifunctional electrocatalyst oxygen reduction reaction oxygen evolution reaction modification strategy |
| url | https://www.mdpi.com/1420-3049/28/20/7114 |
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