Mosin Khan, Ritu Raj, Mange Ram, Anju Rani, Krishna Kanta Haldar
{"title":"优异析氧反应及储能应用的Zn3(PO4)2·4H2O/TiO2结构","authors":"Mosin Khan, Ritu Raj, Mange Ram, Anju Rani, Krishna Kanta Haldar","doi":"10.1002/est2.70112","DOIUrl":null,"url":null,"abstract":"<div>\n \n <p>In this study, we present the synthesis and characterization of a high-performance Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>·4H₂O/TiO<sub>2</sub> nanocomposite, designed as a versatile electrocatalyst for advanced energy storage and conversion applications. The synthesis of the Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>·4H₂O/TiO<sub>2</sub> nanocomposite was confirmed using various sophisticated analytical techniques such as powder x-ray diffraction, FTIR, UV spectroscopy, FESEM imaging, EDX, and XPS etc. Notably, the nanocomposite demonstrates exceptional performance in the oxygen evolution reaction (OER), with a low overpotential of 250 mV at a current density of 50 mV/cm<sup>2</sup> and a Tafel slope of 129 mV/dec, indicating superior kinetics. Furthermore, it demonstrates a specific capacitance of 112 F/g at a scan rate of 20 mV/s and remarkable cyclic stability, retaining 91% capacitance over 1000 cycles in supercapacitor applications. Additionally, in a practical application, the nanocomposite successfully powered a red light-emitting diode (LED) for 11 min. The combined effect of Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>·4H₂O<sub>2</sub> and TiO<sub>2</sub> contributes to its outstanding electrochemical properties. This makes it a promising candidate for sustainable energy solutions, with the potential to enhance the efficiency and durability of energy storage and conversion systems.</p>\n </div>","PeriodicalId":11765,"journal":{"name":"Energy Storage","volume":"7 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Zn3(PO4)2·4H2O/TiO2 Structure for Superior Oxygen Evolution Reaction and Energy Storage Applications\",\"authors\":\"Mosin Khan, Ritu Raj, Mange Ram, Anju Rani, Krishna Kanta Haldar\",\"doi\":\"10.1002/est2.70112\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n <p>In this study, we present the synthesis and characterization of a high-performance Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>·4H₂O/TiO<sub>2</sub> nanocomposite, designed as a versatile electrocatalyst for advanced energy storage and conversion applications. The synthesis of the Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>·4H₂O/TiO<sub>2</sub> nanocomposite was confirmed using various sophisticated analytical techniques such as powder x-ray diffraction, FTIR, UV spectroscopy, FESEM imaging, EDX, and XPS etc. Notably, the nanocomposite demonstrates exceptional performance in the oxygen evolution reaction (OER), with a low overpotential of 250 mV at a current density of 50 mV/cm<sup>2</sup> and a Tafel slope of 129 mV/dec, indicating superior kinetics. Furthermore, it demonstrates a specific capacitance of 112 F/g at a scan rate of 20 mV/s and remarkable cyclic stability, retaining 91% capacitance over 1000 cycles in supercapacitor applications. Additionally, in a practical application, the nanocomposite successfully powered a red light-emitting diode (LED) for 11 min. The combined effect of Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>·4H₂O<sub>2</sub> and TiO<sub>2</sub> contributes to its outstanding electrochemical properties. This makes it a promising candidate for sustainable energy solutions, with the potential to enhance the efficiency and durability of energy storage and conversion systems.</p>\\n </div>\",\"PeriodicalId\":11765,\"journal\":{\"name\":\"Energy Storage\",\"volume\":\"7 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2025-01-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Energy Storage\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/est2.70112\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Energy Storage","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/est2.70112","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Zn3(PO4)2·4H2O/TiO2 Structure for Superior Oxygen Evolution Reaction and Energy Storage Applications
In this study, we present the synthesis and characterization of a high-performance Zn3(PO4)2·4H₂O/TiO2 nanocomposite, designed as a versatile electrocatalyst for advanced energy storage and conversion applications. The synthesis of the Zn3(PO4)2·4H₂O/TiO2 nanocomposite was confirmed using various sophisticated analytical techniques such as powder x-ray diffraction, FTIR, UV spectroscopy, FESEM imaging, EDX, and XPS etc. Notably, the nanocomposite demonstrates exceptional performance in the oxygen evolution reaction (OER), with a low overpotential of 250 mV at a current density of 50 mV/cm2 and a Tafel slope of 129 mV/dec, indicating superior kinetics. Furthermore, it demonstrates a specific capacitance of 112 F/g at a scan rate of 20 mV/s and remarkable cyclic stability, retaining 91% capacitance over 1000 cycles in supercapacitor applications. Additionally, in a practical application, the nanocomposite successfully powered a red light-emitting diode (LED) for 11 min. The combined effect of Zn3(PO4)2·4H₂O2 and TiO2 contributes to its outstanding electrochemical properties. This makes it a promising candidate for sustainable energy solutions, with the potential to enhance the efficiency and durability of energy storage and conversion systems.
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