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  4. Electrophoretic deposition of carbon nanotubes on aluminium for capacitor application
 
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2022
Journal Article
Title

Electrophoretic deposition of carbon nanotubes on aluminium for capacitor application

Abstract
Multiwalled carbon nanotubes (MWCNT) were electrophoretically deposited from an environmentally friendly aqueous solution on aluminium current collectors which were carbon coated by physical vapour deposition. The carbon coating proved to be stable under electrophoretic deposition (EPD) conditions up to EPD voltage of U = 50 V and avoided any undesirable oxidation of the aluminium during the deposition process. The kinetics of the deposition was described and could be easily controlled by the suspension concentration and the deposition time. The deposition rate at U = 50 V is about 0.03 mg cm−2 min-1. As anodic oxide formation could be prevented the electrical contact to the current collector was improved allowing the surface area to be increased by MWCNT to be used as a double-layer capacitor. The gravimetric capacitance obtained was about 8 F g-1.
Author(s)
Schneider, Michael
Fraunhofer-Institut für Keramische Technologien und Systeme IKTS  
Weiser, Mathias  
Fraunhofer-Institut für Keramische Technologien und Systeme IKTS  
Krasmann, Christian  
Fraunhofer-Institut für Keramische Technologien und Systeme IKTS  
Seidel, Matthias  
Fraunhofer-Institut für Keramische Technologien und Systeme IKTS  
Malcher, Peter
Brandenburgische Kondensatoren
Reinfried, Matthias
FHR Anlagenbau
Journal
Surface engineering  
Project(s)
SUBAMA
Funder
Bundesministerium für Wirtschaft und Energie -BMWI-  
DOI
10.1080/02670844.2022.2053809
Language
English
Fraunhofer-Institut für Keramische Technologien und Systeme IKTS  
Keyword(s)
  • electrophoretic deposition

  • carbon nanotubes

  • capacitor application

  • carbon coated current collectors

  • physical vapour deposition

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