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Modeling and Simulation of Hydrogen Storage Device for fuel cell.Plant

Journal of Chemistry and Chemical Engineering 2012年第7期6卷 604-612页

作者： Akanji Olaitan Lukman Obadele Babatunde Abiodun Oluranti Sadiku-Agboola Patricia Abimbola Popoola Emmanuel Rotimi Sadiku Department of Chemical & Metallurgical Engineering Faculty of Engineering and The Built Environment Tshwane University of Technology Pretoria West 0001 Pretoria South Africa Department of Mechanical Engineering Faculty of Engineering and Built Environment Tshwane University of Technology Lynrrwoodridge 0001 South Africa

The article reviews a brief literature on the modeling of hydrogen storage device for fuel cell. Different dimensional approaches in modeling hydrogen absorption/desorption in a metal hydride reactor for use in fuel cell.are summarized. Mathematical modeling equations involved are also stated. The effect of various operating parameters such as temperature, concentration, viscosity, thermal conductivity and time on the gas is also verified. The importance of various simulation software with reference to their major functions is also identified. The review concludes on the opportunities and challenges with the use of hydrogen as an alternative renewable energy.

关键词： Modeling simulation hydrogen storage fuel cell.

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PREPARATION AND CHARACTERIZATION OF AMIDATED PECTIN BASED POLYMER ELECTROLYTE MEMBRANES

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Chinese Journal of Polymer Science 2009年第5期27卷 639-646页

作者： R.K.Mishra A.Anis S.Mondal M.Dutt A.K.Banthia Department of Polymer Science Bundelkhand University Materials Science Center Indian Institute of Technology Department of Polymer Science Bundelkhand University

The work presents the synthesis and characterization of amidated pectin(AP) based polymer electrolyte membranes(PEM) crosslinked with glutaraldehyde(GA).The prepared membranes are characterized by Fourier transform infrared spectroscopy(FTIR),organic elemental analysis,X-ray diffraction studies(XRD),thermogravimetric analysis (TGA) and impedance *** properties of the membranes are evaluated by tensile *** degree of amidation(DA),molar and mass reaction yields(Y_M and K_N) are calcu...

关键词： Amidated pectin Proton conducting Methanol permeability Impedance spectroscopy fuel cell.

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Development of a Renewable Energy Based DC Excitation System in a Micro Hydro Power Plant

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Journal of Energy and Power Engineering 2016年第1期10卷 45-54页

作者： Mahmut Temel Ozdemir Gokay Bayrak Muhsin Tunay Gencoglu Mehmet Cebeci Electrical and Electronics Engineering Department Faculty of Engineering Firat University Elazig 23100 Turkey Electrical and Electronics Engineering Department Faculty of Natural Sciences Architecture and Engineering Bursa TechnicalUniversity Bursa 16190 Turkey

MHPPs （micro hydro power plants） have become prominent in hydropower plants as a solution to provide the energy demands of the grid. In this study, a new hybrid renewable energy based DC excitation system for synchronous generator in the developed MHPP system is introduced. Proposed hybrid DC excitation system consists of solar ＆ hydrogen energy based power generating systems. Hybrid renewable energy based system is used for the excitation of the synchronous generator in the MHPP test system. The renewables are used as a secondary energy source to provide the excitation current to a synchronous generator that generates energy in MHPP. A PV （photovoltaic） array is used as the main source of excitation, and a FC （fuel cell. stack is used for DC excitation in the lack of sunshine. In the experimental setup, an electrical control card is developed, and a microcontroller is used to perform the proposed excitation system. All experimental results obtained from 5 kW rated power MHHP test system. Experimental results show that, the proposed method provides the continuous excitation current, and the operation of the synchronous generator is uninterrupted. The proposed method is also practical and easily implemented for MHPP systems.

关键词： Micro hydro power plant excitation system photovoltaic system fuel cell.

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