期刊
EUROPEAN POLYMER JOURNAL
卷 175, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2022.111312
关键词
Homostructure; CuS; Supercapacitor; Conductivehydrogel; Ti3C2Tx
Hydrogel is an ideal material for artificial skin or robotic electronic skin due to its similar structure and modulus to human tissue. The preparation of CuS/Ti3C2Tx homostructures improves the electron transport and pseudocapacitance, leading to a high specific capacitance value and good capacitance retention. The multiple hydrogen bonding interaction between CuS/Ti3C2Tx and the hydrogel substrate provides excellent mechanical properties, enabling the construction of flexible electronic energy storage devices.
Hydrogel has a similar structure and modulus to human tissue, making it an ideal material for use as artificial skin or robotic electronic skin. CuS/Ti3C2Tx homostructures were prepared using an one-pot hydrothermal method for the conductive hydrogel electrodes. The homostructures material improves the electron transport from the active material to the collector and contributes more effectively to the pseudocapacitance. With the improved electrochemical performance of the hydrogel electrode material, the specific capacitance value is as high as 33.48F/g at a current density of 10 mA/g. The capacitance retention rate was 88.54% after 2000 cycles at a current density of 150 mA/g. Moreover, the multiple hydrogen bonding interaction between CuS/Ti3C2Tx and the hydrogel substrate gives the hydrogel electrode excellent mechanical properties with an elongation at break of 663.5%. This provides a way to construct conductive hydrogel electrode materials as flexible electronic energy storage devices.
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