Electrochemically Exfoliated Graphene Additive-Free Inks for 3D Printing Customizable Monolithic Integrated Micro-Supercapacitors on a Large Scale

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 19 vom: 09. Mai, Seite e2313930
1. Verfasser: Zhang, Longlong (VerfasserIn)
Weitere Verfasser: Qin, Jieqiong, Das, Pratteek, Wang, Sen, Bai, Tiesheng, Zhou, Feng, Wu, Mingbo, Wu, Zhong-Shuai
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 3D printing additive‐free graphene ink micro‐supercapacitors monolithic integration
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520 |a Three-dimensional (3D) printing technology with enhanced fidelity can achieve multiple functionalities and boost electrochemical performance of customizable planar micro-supercapacitors (MSCs), however, precise structural control of additive-free graphene-based macro-assembly electrode for monolithic integrated MSCs (MIMSCs) remains challenging. Here, the large-scale 3D printing fabrication of customizable planar MIMSCs is reported utilizing additive-free, high-quality electrochemically exfoliated graphene inks, which is not required the conventional cryogenic assistance during the printing process and any post-processing reduction. The resulting MSCs reveal an extremely small engineering footprint of 0.025 cm2, exceptionally high areal capacitance of 4900 mF cm-2, volumetric capacitance of 195.6 F cm-3, areal energy density of 2.1 mWh cm-2, and unprecedented volumetric energy density of 23 mWh cm-3 for a single cell, surpassing most previously reported 3D printed MSCs. The 3D printed MIMSC pack is further demonstrated, with the maximum areal cell count density of 16 cell cm-2, the highest output voltage of 192.5 V and the largest output voltage per unit area of 56 V cm-2 up to date are achieved. This work presents an innovative solution for processing high-performance additive-free graphene ink and realizing the large-scale production of 3D printed MIMSCs for planar energy storage 
650 4 |a Journal Article 
650 4 |a 3D printing 
650 4 |a additive‐free 
650 4 |a graphene ink 
650 4 |a micro‐supercapacitors 
650 4 |a monolithic integration 
700 1 |a Qin, Jieqiong  |e verfasserin  |4 aut 
700 1 |a Das, Pratteek  |e verfasserin  |4 aut 
700 1 |a Wang, Sen  |e verfasserin  |4 aut 
700 1 |a Bai, Tiesheng  |e verfasserin  |4 aut 
700 1 |a Zhou, Feng  |e verfasserin  |4 aut 
700 1 |a Wu, Mingbo  |e verfasserin  |4 aut 
700 1 |a Wu, Zhong-Shuai  |e verfasserin  |4 aut 
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773 1 8 |g volume:36  |g year:2024  |g number:19  |g day:09  |g month:05  |g pages:e2313930 
856 4 0 |u http://dx.doi.org/10.1002/adma.202313930  |3 Volltext 
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