Direct Coating Pen Ink Carbon on a Carbonized Melamine Sponge as a Flexible Free-Standing Electrode,Industrial & Engineering Chemistry Research

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Direct Coating Pen Ink Carbon on a Carbonized Melamine Sponge as a Flexible Free-Standing Electrode
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2021-02-28 , DOI: 10.1021/acs.iecr.0c05815
Jingqiu Li ₁ , Yi Feng ₁ , Mengjue Cao ₁ , Lvye Yang ₁ , Jianfeng Yao _{1,

2}

Affiliation

A facile and environmental-friendly method is developed to enhance the mechanical properties and electrochemical performance of a carbonized melamine sponge (CMS) via commercial pen ink coating. The resultant binder-free CMS@ink foam displays an improved electrochemical performance as the free-standing electrode (301 mF/cm² at 5 mV/s). The areal capacitance retention was maintained at 96.2 and 92.5% when the electrode was bent to 90 and 180°, respectively. Even after being bent at 90° for 500 times, the capacitance retention can be as high as 92.2%. Our study shows that the ink-coating carbon would boost the electrochemical performance of CMS while maintaining its free-standing nature and high flexibility, making the CMS@ink foam a promising material for portable and wearable energy-storage devices.

中文翻译：

碳化三聚氰胺海绵上的直接涂层笔墨碳作为柔性自由站立电极

开发了一种简便且环保的方法，可通过商用钢笔墨水涂层增强碳化三聚氰胺海绵（CMS）的机械性能和电化学性能。所得的无粘合剂CMS @ ink泡沫作为独立式电极显示出改善的电化学性能（5 mV / s时为301 mF / cm ²）。当电极弯曲到90°和180°时，面积电容保持率分别保持在96.2和92.5％。即使在90°弯曲500次后，电容保持率也可以高达92.2％。我们的研究表明，油墨涂层碳将提高CMS的电化学性能，同时保持其独立性和高柔韧性，从而使CMS @ ink泡沫成为便携式和可穿戴式储能设备的有前途的材料。

更新日期：2021-03-10

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