4 years ago

A Consecutive Spray Printing Strategy to Construct and Integrate Diverse Supercapacitors on Various Substrates

A Consecutive Spray Printing Strategy to Construct and Integrate Diverse Supercapacitors on Various Substrates
Xinyu Wang, Haixia Li, Qingrong Wang, Jun Chen, Chen Chen, Zhiqiang Niu, Mo Han, Qiongqiong Lu
The rapid development of printable electronic devices with flexible and wearable characteristics requires supercapacitor devices to be printable, light, thin, integrated macro- and micro-devices with flexibility. Herein, we developed a consecutive spray printing strategy to controllably construct and integrate diverse supercapacitors on various substrates. In such a strategy, all supercapacitor components are fully printable, and their thicknesses and shapes are well controlled. As a result, supercapacitors obtained by this strategy achieve diverse structures and shapes. In addition, different nanocarbon and pseudocapacitive materials are applicable for the fabrication of these diverse supercapacitors. Furthermore, the diverse supercapacitors can be readily constructed on various objects with planar, curved, or even rough surfaces (e.g., plastic film, glass, cloth, and paper). More importantly, the consecutive spray printing process can integrate several supercapacitors together in the perpendicular and parallel directions of one substrate by designing the structure of electrodes and separators. This enlightens the construction and integration of fully printable supercapacitors with diverse configurations to be compatible with fully printable electronics on various substrates.

Publisher URL: http://dx.doi.org/10.1021/acsami.7b08833

DOI: 10.1021/acsami.7b08833

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