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Published on: August 17, 2016
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Fabrication of lithium phenoxide complexes for hydrogen storage evaluation
Nor Izzati Nordin1, Khai Chen Tan2,3, Teng He2,3
1Hydrogen Energy Storage Research Group, School of Chemical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia. yschua@usm.my.
Summary
Researchers explored complex formation in lithium phenoxide, a monometal organic compound. The lithium-rich complex showed superior performance in solid-state dehydrogenation, achieving 48.1% conversion.
Area of Science:
- Organometallic Chemistry
- Materials Science
Background:
- Complex formation in monometal organic compounds is an understudied area.
- Lithium phenoxide (Li(C6H5O)) serves as a model system for this investigation.
Purpose of the Study:
- To experimentally investigate complex formation in lithium phenoxide.
- To evaluate the performance of different lithium phenoxide complexes in solid-state dehydrogenation.
Main Methods:
- Synthesis of lithium phenoxide complexes by varying the LiOH/phenol ratio.
- Testing the catalytic activity of the synthesized complexes in solid-state dehydrogenation reactions.
Main Results:
- Successfully formed distinct lithium-rich and phenol-rich complexes.
- The lithium-rich complex demonstrated significantly higher conversion rates (up to 48.1%) compared to Li-phenoxide and phenol-rich complexes.
- This highlights the impact of stoichiometry on catalytic performance.
Conclusions:
- The study presents the first experimental evidence of complex formation in lithium phenoxide.
- Optimized stoichiometry, specifically lithium-rich complexes, can enhance catalytic activity in solid-state dehydrogenation.
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