| 泡沫镍负载NiMoO4/NiMoS4复合材料的制备及其电化学性能 |
| Preparation and electrochemical properties of nickel foam loaded NiMoO4/NiMoS4 composites |
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| 摘要: 以泡沫镍作为基底，采用水热法原位生长出具有片状结构的NiMoO4活性材料，然后通过水热硫化制备出NiMoO4/NiMoS4复合材料，研究了水热时间和硫脲添加量对样品形貌和电化学性能的影响。电化学结果表明，NiMoO4/NiMoS4电极在电流密度为1 A·g-1时，比电容为1 560.7 F·g-1，在电流密度为40 A·g-1时循环2 000次后，比电容仍为初始比电容的76.7%。将NiMoO4/NiMoS4电极材料与活性炭（AC）分别作为正、负极组装的非对称超级电容器（ASC）在400 W·kg-1的功率密度下可提供29.0 Wh·kg-1的能量密度。 |
| 关键词: 硫化物 超级电容器 电化学性能 |
| 基金项目: 陕西省重点研发项目（No.2024GX-YBXM-384）、长安大学中央高校基本科研业务费专项资金（No.300102311405，300102312405，300102312406）和大学生创新创业训练计划项目（No.S202310710271，X202310710415）资助。 |
| Abstract: Using nickel foam as a substrate, NiMoO4 active materials with sheet-like structures were produced in situ, and later NiMoO4/NiMoS4 composites were prepared by vulcanization. On the morphology and electrochemical characteristics of the materials, the impacts of hydrothermal time and thiourea addition were examined. Electrochemical experiments revealed that the NiMoO4/NiMoS4 electrode could release a specific capacitance of 1 560.7 F·g-1 at a current density of 1 A·g-1, and the capacity remained at 76.7% of the initial specific capacitance after 2 000 cycles at a current density of 40 A·g-1. The asymmetric supercapacitors (ASC) device assembled with NiMoO4/NiMoS4 electrode material and activated carbon (AC) as positive and negative electrodes respectively can provide 29.0 Wh·kg-1 energy density at a power density of 400 W·kg-1. |
| Keywords: sulfide supercapacitor electrochemical property |
| 投稿时间：2023-07-03 修订日期：2023-12-15 |
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| 郑佳红,申嘉钧,白昕.泡沫镍负载NiMoO4/NiMoS4复合材料的制备及其电化学性能[J].无机化学学报,2024,40(3):581-590. |
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