Abstract A facile and environmental-friendly method is developed to coat nickel films on fabrics using Gantrez as the functional molecule and Ag+ as the catalyst, and nickel cloth and nickel brush are synthesized by this method. Nanohemisphere structures are grown on the nickel fabrics by diffusion controlled electroless deposition method subsequently. The nickel fabrics with nanohemispheres have high and balanced electrochemical performance with 1.5 M NaOH as the electrolyte. At the current density of 5 mA/cm2, the nanoarchitectured nickel cloth and nickel brush show a specific capacitance of 2.31 F/cm2 and 6.82 F/cm2, respectively. The nanoarchitectured nickel brush has a high rate capability and cyclic capability with 92% capacitance retention as the current density changes from 3 mA/cm2 to 20 mA/cm2, and 113% capacitance retention after 10,000 charge-discharge cycles. Furthermore, 98% capacitance retention of the nickel brush is measured after the bending test with a radius of 3 mm for 800 cycles.

中文翻译：

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绿色合成纳米结构镍织物作为超级电容器的高性能电极

摘要 以Gantrez为功能分子，Ag+为催化剂，开发了一种简便、环保的镍薄膜包覆方法，并用该方法合成了镍布和镍刷。随后通过扩散控制的无电沉积方法在镍织物上生长纳米半球结构。具有纳米半球的镍织物以 1.5 M NaOH 作为电解质具有高且平衡的电化学性能。在 5 mA/cm2 的电流密度下，纳米结构的镍布和镍刷的比电容分别为 2.31 F/cm2 和 6.82 F/cm2。纳米结构的镍刷具有高倍率能力和循环能力，当电流密度从 3 mA/cm2 变为 20 mA/cm2 时，电容保持率为 92%，10 年后电容保持率为 113%，000 次充放电循环。此外，在半径为 3 mm 的弯曲试验后，测量了镍刷 98% 的电容保持率，循环次数为 800 次。