Pristine graphene‑ink for 3D‑printed flexible solid‑state supercapacitor
(주)코리아스칼라
- 최초 등록일
- 2023.05.08
- 최종 저작일
- 2022.06
- 7페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 32권 / 4호
ㆍ저자명 : Satendra Kumar, Manoj Goswami, Netrapal Singh, Prachi Soni, N. Sathish, Surender Kumar
목차
Abstract
1 Introduction
2 Experimental
2.1 Materials
2.2 Preparation of pristine MLG-ink
2.3 3D printing of pristine MLG-ink
2.4 Preparation of PVA–H2SO4 gel electrolyte
2.5 Characterizations
3 Results and discussion
4 Conclusions
Acknowledgements
References
영어 초록
Due to its capacity to manufacture low-cost 3D-printed structures, 3D-printing technology offers a unique opportunity for the fast epitome of various applications. Using a typical fused deposition modeling 3D printer along with a Discovery extruder, a graphene-ink can be 3D printed to produce an interdigitated electrode (IDE) arrangement. This work fabricated a 3D-printed planar supercapacitor from pristine graphene-ink without using high-temperature processing or functional additives. The printable ink (89%) is formulated from pristine graphene without the addition of any functional additives. The symmetric flexible supercapacitor is demonstrated with an excellent specific capacitance of 137.50 F/g at 0.5 A/g and an energy density of 12.23 Wh/kg. The obtained gravimetric energy density beats reported earlier carbon-based supercapacitors that are 3D or inkjet printed. The flexibility and robustness of 3D-printed devices are achieved up to 150° folding angles. This work demonstrates an efficient and easy method for fabricating practical energy storage devices featuring a customizable shape and excellent flexibility.
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