Electrodeposition of nickel particles on a gas diffusion cathode for hydrogen production in a microbial electrolysis cell

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DOIResolve DOI: http://doi.org/10.1016/j.ijhydene.2010.04.146
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TypeArticle
Journal titleInternational Journal of Hydrogen Energy
Volume35
Issue14
Pages73137320; # of pages: 8
SubjectMicrobial electrolysis cell; Hydrogen; Ni; Electrodeposition
AbstractGas diffusion cathodes with electrodeposited nickel (Ni) particles have been developed and tested for hydrogen production in a continuous flow microbial electrolysis cell (MEC). A high catalytic activity of electrodeposited Ni particles in such a MEC was obtained without a proton exchange membrane, i.e. under direct cathode exposure to anodic liquid. Co-electrodeposition of Pt and Ni particles did not improve any further hydrogen production. The maximum hydrogen production rate was 5.4 L/LR/day, corresponding to Ni loads between 0.2 and 0.4 mg cm-2. Continuous MEC operation demonstrated stable hydrogen production for over one month. Owing to the fast hydrogen transport through the cathodic gas diffusion layer, the loss of hydrogen production to methanogenic activity was minimal, generally with less than 5% methane in the off-gas. Overall, gas diffusion cathodes with electrodeposited Ni particles demonstrated excellent stability for hydrogen production compared to expensive Pt cathodes.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Biotechnology Research Institute
Peer reviewedYes
NRC number53324
NPARC number15782956
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Record identifier310d10fe-ba7a-4326-bf8b-22658d4b0a6f
Record created2010-11-05
Record modified2016-05-09
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