广州化学2025，Vol.50Issue(3)：1-7,7.DOI:10.16560/j.cnki.gzhx.20250314
片状碱式碳酸铜钴/碳布复合材料的制备及电化学性能
Preparation and Electrochemical Properties of Flaky Basic Copper-cobalt Carbonate/Carbon Cloth Composite
摘要
Abstract
Basic copper-cobalt carbonate is an excellent candidate for supercapacitor electrodes due to its remarkable properties including high theoretical specific capacitance,good cycling stability,low cost and environmental friendliness.In this work,the composite electrode material of basic copper-cobalt carbonate was successfully constructed by in-situ growth of basic copper-cobalt carbonate nanosheet arrays on the surface of carbon cloth fibers.Copper acetate served as the copper source,cobalt acetate as the cobalt source,and urea as the carbon and oxygen sources,using a one-step hydrothermal method to synthesize this electrode material.The composite electrode demonstrates outstanding capacitance performance,with a specific capacitance of 1204.44 F/g at a current density of 1 mA/cm2.It also exhibits good cycling stability,with a capacitance retention rate of 96.48%after 3000 cycles of charging and discharging(at a current density of 10 mA/cm2).The impedance test reveals that the material has an ohmic internal resistance(Rs)of 1.74 Ω and an interfacial charge transfer resistance(Rct)of 1.80 Ω.The one-step hydrothermal preparation of basic copper-cobalt carbonate composite electrode materials not only offers a feasible solution for the realization of the low-cost,short-path preparation of high-performance supercapacitor electrode materials,but also comes up with a new research idea for the selection and optimization of electrode materials.关键词
超级电容器电极/碱式碳酸铜钴/纳米片/水热法/原位生长Key words
supercapacitor electrode/basic copper-cobalt carbonate/nanoflake/hydrothermal method/in-situ growth分类
信息技术与安全科学引用本文复制引用
吕恩军,高宇,杨雯婷,焦玉峰,冯青青,金达莱..片状碱式碳酸铜钴/碳布复合材料的制备及电化学性能[J].广州化学,2025,50(3):1-7,7.基金项目
浙江省重点研发项目(2023C01095) （2023C01095）
