Soumaya Gouadria, Muhammad Abdullah, F. F. Alharbi, Salma Aman, Hafiz Muhammad Tahir Farid
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引用次数: 0
摘要
近年来，来自可再生资源的清洁能源越来越受到重视，因此，重点已转向创造可再生的、无害环境的和经济上可行的矿物燃料替代品。然而，在这一重大挑战中，寻找一种有效且长期的电催化剂来实现电化学水分解中的OER是非常需要的。在本研究中，采用简单高效的超声方法制备了sm掺杂的MnSnO3作为OER的电催化剂。此外，sm掺杂的MnSnO3的电催化性能非常出色，达到10 mA cm−2的电流密度（Cd）所需的过电位（η）最小为210 mV。此外，sm掺杂MnSnO3电催化剂的Tafel斜率最小，为32 mV dec−1。此外，sm掺杂的MnSnO3电催化剂还表现出显著的稳定性和低阻抗特性，从而提高了析氧反应（OER）的性能。这些研究结果表明，目前掺sm的mnnsno3作为促进氢能生产OER的电催化剂具有很大的潜力。图形抽象
Determination of doping strategy on the electrochemical performance of the hydrothermally prepared perovskite material
Clean energy from renewable resources has attained more and more attention in recent years, because of this, there has been a shift in emphasis towards creating renewable, environmentally benign and economically viable alternatives to fossil fuels. However, finding an effective and long-term electrocatalyst for enabling OER in electrochemical water splitting is extremely sought after of this significant challenge. In this study, straightforward and efficient sonication method was employed to produce Sm-doped MnSnO3 as an electrocatalyst for OER. Furthermore, electrocatalytic properties of Sm-doped MnSnO3 was quite impressive, with least overpotential (η) of 210 mV needed to attain current density (Cd) of 10 mA cm−2. In addition, Sm-doped MnSnO3 electrocatalyst demonstrates least Tafel slope with value of 32 mV dec−1. Further, Sm-doped MnSnO3 electrocatalyst also exhibits remarkable stability and low impedance characteristics, resulting in improved performance in oxygen evolution reaction (OER). These findings suggest that the current Sm-doped MnSnO3 has great potential as an electrocatalyst for facilitating the OER in hydrogen energy production.
期刊介绍：
The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.
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