Digital Light Processing 3-Dimensional Printer to Manufacture Electrolyzer Bipolar Plate

Teuku Husaini, Ryuhe Kishida, Nurul Affiqah Arzaee

Research output: Contribution to journalConference article

Abstract

Bipolar plate is one of the largest and most important components in Polymer Electrolyte Membrane Electrolyzer and Fuel Cell that functions as a cell separator, electrical and heat conductor, reactant feed distributor, for the flow of gas-liquid mixture and supporting components for the Membrane Electrode Assembly. In general, injection, compression moulding or Computer Numerical Control-machines are commonly used to produce bipolar plate. These methods, however, cannot be used to produce complex 3-dimensional shapes, such as vertically inverted cone shape or creating a channel inside the plate. By using a 3-dimensional printing machine with laser-based stereolithography or digital light processing, complex design problems and problems in making channels in the plate can be solved easily. In this study, polymer-based bipolar plate was developed using 3-dimensional printing technology which was made conductive by introducing nickel and gold layers through spray coating and electrocoating processes. The nickel layer was optimized by controlling the applied voltage during electrocoating. Since low voltage formed very thin layer whereas high voltage caused "burning" of the sample, applied voltage of 5V was found to be the optimum condition. Employment of gold layer increases the conductivity from 300 S cm-1 to 400 S cm-1 which enabled the corrosion current density to drop to 0.470 uA cm-2, meeting the standard set by US Department of Energy. The porosity test also proved that the bipolar plate was impermeable to hydrogen gas. Therefore, this manufacturing method has great potential to be used for the production of sophisticated electrolyzer cell or fuel cell in the future.

Original languageEnglish
Article number012039
JournalIOP Conference Series: Earth and Environmental Science
Volume268
Issue number1
DOIs
Publication statusPublished - 2 Jul 2019
EventInternational Conference on Sustainable Energy and Green Technology 2018, SEGT 2018 - Kuala Lumpur, Malaysia
Duration: 11 Dec 201814 Dec 2018

Fingerprint

fuel cell
nickel
polymer
gold
membrane
density current
gas
electrolyte
spray
corrosion
coating
electrode
manufacturing
conductivity
laser
porosity
compression
hydrogen
liquid
energy

Keywords

  • digital light processing
  • PEMEL
  • polymer bipolar plate
  • water electrolyzer

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Digital Light Processing 3-Dimensional Printer to Manufacture Electrolyzer Bipolar Plate. / Husaini, Teuku; Kishida, Ryuhe; Affiqah Arzaee, Nurul.

In: IOP Conference Series: Earth and Environmental Science, Vol. 268, No. 1, 012039, 02.07.2019.

Research output: Contribution to journalConference article

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