电容感应
膜
储能
导电体
材料科学
离子键合
化学工程
纳米技术
超级电容器
电化学
光电子学
化学
离子
复合材料
电极
电气工程
有机化学
工程类
生物化学
功率(物理)
物理
物理化学
量子力学
作者
Yayun Shi,Congcong Liu,Zhijun Zuo,Xiaowei Yang
标识
DOI:10.1016/j.cclet.2024.109772
摘要
Conductive hydrogel membranes with nanofluids channels represent one of the most promising capacitive electrodes due to their rapid kinetics of ion transport. The construction of these unique structures always requires new self-assembly behaviors with different building blocks, intriguing phenomena of colloidal chemistry. In this work, by delicately balancing the electrostatic repulsions between 2D inorganic nanosheets and the electrostatic adsorption with cations, we develop a general strategy to fabricate stable free-standing 1T molybdenum disulphide (MoS2) hydrogel membranes with abundant fluidic channels. Given the interpenetrating ionic transport network, the MoS2 hydrogel membranes exhibit a high-level capacitive performance 1.34 F/cm2 at an ultrahigh mass loading of 11.2 mg/cm2. Furthermore, the interlayer spacing of MoS2 in the hydrogel membranes can be controlled with ångström-scale precision using different cations, which can promote further fundamental studies and potential applications of the transition-metal dichalcogenides hydrogel membranes.
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