利用可持续能源：合成三元共卤化物半导体 BaS:Sb2S3:CuS，提高超级电容器设备和电催化性能

IF 8.9 2区工程技术 Q1 ENERGY & FUELS

Journal of energy storage Pub Date : 2024-11-15 DOI:10.1016/j.est.2024.114527

Shaan Bibi Jaffri , Khuram Shahzad Ahmad , Jehad S. Al-Hawadi , Harsh Panchal , Ram K. Gupta , Ghulam Abbas Ashraf , Mohammad K. Okla

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引用次数: 0

摘要

以二乙基二硫代氨基甲酸酯配体为螯合剂合成了 BaS:Sb2S3:CuS 三元共卤化物，以提高电荷存储设备的效率，并用作能源生成催化剂。可持续制备的 BaS:Sb2S3:CuS 半导体具有良好的光吸收活性，能带隙为 2.57 eV。采用传统的三电极设置对 BaS:Sb2S3:CuS 的电化学性能进行了评估。BaS:Sb2S3:CuS 的比功率密度为 8161 W kg-1，比电容高达 958.91 F g-1，是一种非常适合储能应用的电极材料。2.02 Ω的相同串联电阻（Rs）进一步支持了这一卓越的电化学性能。通过电催化，该电极产生了 419 mV 和 186 mV/dec 的 OER 过电位和相应的 Tafel 斜坡。另一方面，HER 活性的塔菲尔斜率和过电位分别为 321 mV/dec 和 154 mV。

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Harnessing sustainable energy: Synthesizing a trinary chalcogenide semiconductor BaS:Sb2S3:CuS for enhanced performance in supercapacitor devices and electro-catalysis

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Harnessing sustainable energy: Synthesizing a trinary chalcogenide semiconductor BaS:Sb2S3:CuS for enhanced performance in supercapacitor devices and electro-catalysis

The BaS:Sb₂S₃:CuS trinary chalcogenide is synthesized with a diethyldithiocarbamate ligand as a chelating substance in order to increase the effectiveness of charge storage devices and operate as an energy generation catalyst. The sustainably produced BaS:Sb₂S₃:CuS semiconductor showed good photo-activity because of its light absorption, with an energy band gap of 2.57 eV. The BaS:Sb₂S₃:CuS electrochemical performance was evaluated using a traditional three-electrode setup. With a specific power density of 8161 W kg⁻¹ and a specific capacitance of up to 958.91 F g⁻¹, BaS:Sb₂S₃:CuS has shown to be a great electrode material for energy storage applications. The same series resistance (R_s) of 2.02 Ω further supported this remarkable electrochemical performance. Through electro-catalysis, the electrode produced an OER overpotential and a corresponding Tafel slope of 419 mV and 186 mV/dec. On the other hand, the Tafel slope and overpotential for HER activity were 321 mV/dec and 154 mV, respectively.

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来源期刊

Journal of energy storage Energy-Renewable Energy, Sustainability and the Environment

CiteScore

11.80

自引率

24.50%

发文量

2262

审稿时长

69 days

期刊介绍： Journal of energy storage focusses on all aspects of energy storage, in particular systems integration, electric grid integration, modelling and analysis, novel energy storage technologies, sizing and management strategies, business models for operation of storage systems and energy storage developments worldwide.