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Electrochemical hydrogen storage in Li-doped pentacene
Baizeng Fang1, Haoshen Zhou, Itaru Honma
1Nano-Energy Materials Group, Energy Technology Institute, National Institute of Advanced Industrial Science and Technology (AIST), Umezono 1-1-1, Tsukuba, Ibaraki 305-8568, Japan. baizengfang@163.com
The Journal of Chemical Physics
|June 16, 2006
Summary
Researchers developed Li-doped pentacene for electrochemical hydrogen storage. This material shows promising capacity, comparable to established alloys, with potential for further improvement.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Porous metal-incorporated nanostructured organic compounds offer novel hydrogen storage solutions.
- Electrochemical hydrogen storage is a key area for clean energy technologies.
Purpose of the Study:
- To report the first practical electrochemical hydrogen storage in Li-doped pentacene.
- To evaluate the performance of Li-doped pentacene as an electrode material.
Main Methods:
- Synthesis and characterization of Li-doped pentacene.
- Electrochemical testing of Li-doped pentacene electrodes in 6M KOH.
- Comparison with a standard material, LaNi5 alloy.
Main Results:
- Lithium doping significantly enhanced pentacene conductivity.
- Achieved a discharge capacity of approximately 238 mA h g(-1) for Li-doped pentacene.
- Performance is comparable to the established LaNi5 alloy.
Conclusions:
- Li-doped pentacene is a promising material for electrochemical hydrogen storage.
- Hydrogen storage capacity can be further improved by increasing lithium doping levels.
