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Development of graphite and carbon nanotube filled thermoplastic based bipolar plates for all-vanadium redox flow batteries

  • Kartonierter Einband
  • 121 Seiten
Redox flow batteries gained considerable attention in the last decades due to their high energy efficiency, long operational-life ... Weiterlesen
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Beschreibung

Redox flow batteries gained considerable attention in the last decades due to their high energy efficiency, long operational-life and distinct power/energy output design. Bipolar plates are one of the main components of redox flow batteries and require high electrical conductivity, good mechanical stability and corrosion resistance. This study focused on developing thermoplastic-based bipolar plates via injection molding and evaluating their properties for the application of all-vanadium redox flow battery.

Redox flow batteries are promising energy storage and conversion systems for stationary applications. Performance of bipolar plates as well as their cost and weight has important contribution to the development of redox flow batteries. Electrically conductive polymer composites are alternatives to graphite and metallic bipolar plates. These composites combine process benefits of polymers with electrically conductive nature of carbonaceous fillers and exhibit advantages of light-weight, ease of machining and good corrosion resistance. Bipolar plates require high electrical conductivity, good mechanical properties and chemical stability. In order to achieve these goals, thermoplastics and carbon derivatives were chosen as matrix material and filler respectively. Carbon nanotube based composites possessed improved electrical conductivities and mechanical strength. Processing of highly filled composites was facilitated by using additives during melt mixing. Produced bipolar plates were tested in all-vanadium redox flow battery single-cell in order to evaluate their potential to be used in up-scale applications.

Produktinformationen

Titel: Development of graphite and carbon nanotube filled thermoplastic based bipolar plates for all-vanadium redox flow batteries
Untertitel: Hrsg.: Fraunhofer ICT, Pfinztal. Dissertationsschrift
Autor:
EAN: 9783839607947
ISBN: 978-3-8396-0794-7
Format: Kartonierter Einband
Genre: Luft- und Raumfahrttechnik
Anzahl Seiten: 121
Gewicht: 193g
Größe: H210mm x B210mm
Jahr: 2014
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