3D Crumpled Ultrathin 1T MoS2 for Inkjet Printing of Mg-Ion Asymmetric Micro-supercapacitors.
Type
ArticleAuthors
Shao, YuanlongFu, Jui-Han
Cao, Zhen
Song, Kepeng
Sun, Ruofan

Wan, Yi

Shamim, Atif

Cavallo, Luigi

Han, Yu

Kaner, Richard B

Tung, Vincent

KAUST Department
Advanced Membranes and Porous Materials Research CenterChemical Science Program
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Electrical Engineering Program
Integrated Microwave Packaging Antennas and Circuits Technology (IMPACT) Lab
KAUST Catalysis Center (KCC)
Material Science and Engineering
Material Science and Engineering Program
Nanostructured Functional Materials (NFM) laboratory
Physical Science and Engineering (PSE) Division
Date
2020-06-01Online Publication Date
2020-06-01Print Publication Date
2020-06-23Embargo End Date
2021-06-02Submitted Date
2020-03-26Permanent link to this record
http://hdl.handle.net/10754/663484
Metadata
Show full item recordAbstract
Metallic molybdenum disulfide (MoS2), e.g., 1T phase, is touted as a highly promising material for energy storage that already displays a great capacitive performance. However, due to its tendency to aggregate and restack, it remains a formidable challenge to assemble a high-performance electrode without scrambling the intrinsic structure. Here, we report an electrohydrodynamic-assisted fabrication of 3D crumpled MoS2 (c-MoS2) and its formation of an additive-free stable ink for scalable inkjet printing. The 3D c-MoS2 powders exhibited a high concentration of metallic 1T phase and an ultrathin structure. The aggregation-resistant properties of the 3D crumpled particles endow the electrodes with open space for electrolyte ion transport. Importantly, we experimentally discovered and theoretically validated that 3D 1T c-MoS2 enables an extended electrochemical stable working potential range and enhanced capacitive performance in a bivalent magnesium-ion aqueous electrolyte. With reduced graphene oxide (rGO) as the positive electrode material, we inkjet-printed 96 rigid asymmetric micro-supercapacitors (AMSCs) on a 4-in. Si/SiO2 wafer and 100 flexible AMSCs on photo paper. These AMSCs exhibited a wide stable working voltage of 1.75 V and excellent capacitance retention of 96% over 20 000 cycles for a single device. Our work highlights the promise of 3D layered materials as well-dispersed functional materials for large-scale printed flexible energy storage devices.Citation
Shao, Y., Fu, J.-H., Cao, Z., Song, K., Sun, R., Wan, Y., … Tung, V. C. (2020). 3D Crumpled Ultrathin 1T MoS2 for Inkjet Printing of Mg-Ion Asymmetric Micro-supercapacitors. ACS Nano. doi:10.1021/acsnano.0c02585Sponsors
V.T. gratefully acknowledges the generous support in imaging characterizations from the Molecular Foundry (User Proposal #5067), Lawrence Berkeley National Lab, supported by the Office of Basic Energy Sciences of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. V.T. and J.-H.F. are indebted to the partial support from the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No: OSR2018-CARF/CCF-3079. Research reported in this publication was funded by the King Abdullah University of Science and Technology (KAUST) Catalysis Center. Y.S. is indebted to the scientific illustrator, Heno Hwang at KAUST, for illustrating Figure 5a, and Shen Guang and Professor Ziping Lai for their assistance in interpretation of TEM results. R.B.K. thanks the Dr. Myung Ki Hong Endowed Chair in Materials Innovation at UCLA.Publisher
American Chemical Society (ACS)Journal
ACS nanoPubMed ID
32478507Additional Links
https://pubs.acs.org/doi/10.1021/acsnano.0c02585ae974a485f413a2113503eed53cd6c53
10.1021/acsnano.0c02585
Scopus Count
Collections
Articles; Integrated Microwave Packaging Antennas and Circuits Technology (IMPACT) Lab; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Electrical and Computer Engineering Program; Chemical Science Program; Material Science and Engineering Program; KAUST Catalysis Center (KCC); Computer, Electrical and Mathematical Science and Engineering (CEMSE) DivisionRelated articles
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