Preparation of Titanium Carbide Film by Two-step Approach and Its Capacitance Properties
OU Shan1, MOU Zihao1, LIN Tao2, LI Yao1, FENG Wei2, LIU Wenlong3
1 Institute for Advanced Study, Chengdu University, Chengdu 610106, China 2 School of Mechanical Engineering, Chengdu University, Chengdu 610106, China 3 School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China
Abstract: Two-dimensional transition metal carbide or carbonitride (MXene) is a newtype of ultra-thin and graphene-like two-dimensional nanomate-rials with high specific surface area, high conductivity, adjustable composition and controllable layer thickness, which has attracted extensive research interest in the fields of adsorption, catalysis and sensing. Thanks to its excellent electrochemical activity and ion transport properties, MXene has been gradually emerging in the field of energy storage in recent years. However, few studies associated with high-performance and long-life MXene-based supercapacitors have been reported. In this work, Ti3C2 thin film were prepared by etching and spraying. The morphological and structural features of the Ti3C2 thin film were characterized in detail. Then, the capacitance of the Ti3C2 thin film was investigated systematically with a three-electrode system which was constructed with Ti3C2 thin film as the working electrode, calomel saturated electrode as the reference electrode and platinum sheet electrode as the counter electrode. The results show that the specific capacitance of the Ti3C2 thin film is as high as 187.0 F/g at a current density of 1.0 A/g. Interestingly, the capacitance of the Ti3C2 film was still maintained at 97.0% after 500 cycles at a current density of 10.0 A/g, showing excellent cycle stability.
欧珊, 牟自豪, 林涛, 李瑶, 冯威, 刘文龙. 两步法制备碳化钛薄膜及其电容性能[J]. 材料导报, 2021, 35(z2): 18-21.
OU Shan, MOU Zihao, LIN Tao, LI Yao, FENG Wei, LIU Wenlong. Preparation of Titanium Carbide Film by Two-step Approach and Its Capacitance Properties. Materials Reports, 2021, 35(z2): 18-21.
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