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Synthesis and characterisation of microporous carbonaceous materials for hydrogen storage

Abstract : This thesis describes the preparation, the characterisation and the performances in terms of hydrogen storage capacity of activated carbons designed for such application. The objective was to develop materials that might be able to meet or approach the storage capacity targeted by the US Department of Energy for 2015, i.e. 5.5 wt. % with respect to the whole storage system. With this aim in view, the researches reported here focused on: (1) investigation and understanding of experimental conditions for preparing such adsorbents; (2) optimization of their porous texture for hydrogen storage; (3) correlations between hydrogen storage capacity and textural parameters (surface area, pore volumes and pore size distributions); (4) investigation of materials doping by nitrogen and metal nanoparticles. Storage capacities of 6.6 % in weight with respect to adsorbent at 77K and 4 MPa on one hand, and of 1 wt. % at 298K and 20 MPa on the other hand, were obtained in the present thesis, among the highest reported so far in the open literature
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  • HAL Id : tel-01749294, version 1

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Weigang Zhao. Synthesis and characterisation of microporous carbonaceous materials for hydrogen storage. Other. Université de Lorraine, 2012. English. ⟨NNT : 2012LORR0093⟩. ⟨tel-01749294⟩

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