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Journal
2011 | 9 | 1 | 20-24
Article title

Correlation of hydrogen capacity in carbon material with the parameters of electrosorption

Content
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EN
Abstracts
EN
Electrochemical storage of hydrogen in activated carbon material has been investigated using different parameters of cathodic polarization. It has been proven that application of short galvanostatic pulses could be efficient for hydrogen storage in microporous carbon material. Charging current loads from 50 mA g−1 to 32 A g−1 have been used showing correlation between hydrogen capacity, time of charging and electrical efficiency. The anodic charge equivalent to electrooxidation of 1.0 wt% of hydrogen can be already reached after 90 s of cathodic polarization. Temperature effect has been also evaluated and a gradual increase of hydrogen capacity with a better pronounced oxidation plateau was obtained at higher temperatures. Reversible electrosorption of hydrogen is a useful reaction in supercapacitor performance and it might have a potential application for a negative electrode of supercapacitor as well as reversibly operating electrode in the secondary cell. [...]
Publisher

Journal
Year
Volume
9
Issue
1
Pages
20-24
Physical description
Dates
published
1 - 2 - 2011
online
16 - 12 - 2010
Contributors
author
  • Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, 60965, Poznan, Poland
author
  • Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, 60965, Poznan, Poland
  • Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, 60965, Poznan, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11532-010-0130-z
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