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Synthesis of palladium incorporated MCM-41 via microwave irradiation and investigation of its hydrogen storage properties

Dündar Tekkaya, Ezgi and Yürüm, Yuda (2016) Synthesis of palladium incorporated MCM-41 via microwave irradiation and investigation of its hydrogen storage properties. International Journal of Hydrogen Energy (SI), 41 (23). pp. 9828-9833. ISSN 0360-3199 (Print) 1879-3487 (Online)

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Official URL: http://dx.doi.org/10.1016/j.ijhydene.2016.03.047

Abstract

MCM-41 is a mesoporous silica material with high surface area and uniform pore size, which makes it a good candidate for gas adsorption applications. To improve the hydrogen storage capacity of the pure MCM-41, the samples were loaded with Pd that is known with its affinity to hydrogen. MCM-41 samples were synthesized by microwave irradiation and Pd was loaded before the samples were calcined. In this study, the effect of loading Pd and microwave power (90 & 120 W) to the structure of MCM-41 was investigated. The surface areas and density functional theory (DFT) pore diameters of the samples were in the range of 1073-1515 m(2)/g and 3.54-3.78 nm, respectively. The hydrogen storage capacities of the samples were measured by Intelligent Gravimetric Analyzer (IGA) at 298 K and up to 10 bar pressure. The hydrogen uptake of the samples were affected by the microwave power used for the synthesis and the Pd content. The highest hydrogen uptake was 1.74 wt% for 10:100 Pd: MCM-41 (120 W).

Item Type:Article
Additional Information:Conference: 1st International Symposium on Materials for Energy Storage and Conversion (ESC-IS) / Location: Middle E Tech Univ, Ankara, TURKEY / Date: SEP 07-09, 2015
Uncontrolled Keywords:MCM-41; Hydrogen storage; Metal loading; Palladium
Subjects:T Technology > TP Chemical technology > TP0155-156 Chemical engineering
T Technology > TP Chemical technology > TP0315-360 Fuel
T Technology > T Technology (General) > T174.7 Nanotechnology
ID Code:30006
Deposited By:Yuda Yürüm
Deposited On:10 Nov 2016 14:22
Last Modified:10 Nov 2016 14:22

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