Rechargeable hydrogen storage in nanostructured mixtures of hydrogenated carbon and lithium hydride
ApplPhysLett_86_241914.pdf 66.5 KB
A hydrogen storage ability caused by the interaction between nanostructured carbon sCnanoHxd and lithium hydride sLiHd is demonstrated, which should be recognized as Li-C-H system in the H-storage materials. Especially, the 2:1 mixture of CnanoHx and LiH exhibited promising hydrogen storage properties with a rechargeable hydrogen capacity of more than 4 mass% below 350 °C, preserving the nanostructural feature in the mixture even after hydrogen release. On the other hand, the 1:2 and 1:1 mixtures exhibited the crystal growth of Li2C2 after hydrogen desorption, leading to poorer hydrogen rechargeability.
Applied Physics Letters
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American Institute of Physics
Copyright (c) 2005 American Institute of Physics.
Graduate School of Advanced Sciences of Matter
Natural Science Center for Basic Research and Development
Institute for Advanced Materials Research
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