Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 9, Issue 5, Pages 4597-4604Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b13904
Keywords
3D printing; carbon nanotube; microsupercapacitor; continuous droplets; additive manufacturing
Funding
- National Natural Science Foundation of China [51273158, 21303131]
- Natural Science Basis Research Plan in Shaanxi Province of China [2012JQ6003, 2013KJXX-49]
- Fundamental Research Funds for the Central Universities
- Shaanxi Department of Science and Technology Development [2013KTCQ01-48]
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A novel 3D printing procedure is presented for fabricating carbon-nanotubes (CNTs)-based microsupercapacitors. The 3D printer uses a CNTs ink slurry with a moderate solid content and prints a stream of continuous droplets. Appropriate control of a heated base is applied to facilitate the solvent removal and adhesion between printed layers and to improve the structure integrity without structure delamination or distortion upon drying. The 3D-printed electrodes for microsupercapacitors are characterized by SEM, laser scanning confocal microscope, and step profiler. Effect of process parameters on 3D printing is also studied. The final solid-state microsupercapacitors are assembled with the printed multi layer CNTs structures and poly(vinyl alcohol)-H3PO4 gel as electrochemical performance of 3D printed microsupercapacitors excellent cycle stability.
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