Journal
COMPOSITES COMMUNICATIONS
Volume 19, Issue -, Pages 108-113Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2020.03.006
Keywords
Graphene; MXene; Porous aerogel; High-strength; Room temperature; Free-standing electrode
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Funding
- Special Foundation for Science and Technology Major Plan of Xianyang [2018k0146]
- Shaanxi Provincial Education Department Serves Local Scientific Research Programs [19JC003]
- Science and Technology Plan Project of Weiyang District in Xi'an [201859]
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The existence of inevitable hole defects in the hydrothermal process of graphene hydrogels makes the strength of the prepared aerogel to be further improved. We design a simple self-assembly method of standing at room tempreture for preparing MXene/RGO composite aerogel. The strong forces from different directions make this three-dimensional (3D) porous aerogel unique fusiform shape and stiffer wall of the pores to exhibit favorable strength of 16.18 MPa and excellent cyclic compression performance at a load capacity up to 10 kg (2 MPa). And as a freestanding supercapacitior electrode, it shows excellent electrochemical energy storage performance of 233 F g(-1) at 1 A g(-1) with an outstanding cycling performance of 91.01% after 10,000 cycles. Besides, this research lays a certain theoretical reference for free-standing supercapacitor electrode materials.
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