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Metal Hydride Technology

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Metal Hydride Technology FRAUNHOFER INSTITUTE FOR MANUFACTURING TECHNOLOGY AND ADVANCED MATERIALS IFAM, BRANCH LAB DRESDEN 1 1 2 3 4 1 Uniaxial press for the densifi cation metal hydride composites METAL HYDRIDE TECHNOLOGY 2 Cross-section of metal hydride composites (blue-red) with optimized heat transfer Metal Hydride Center Metal Hydride properties at Fraunhofer IFAM Applications 3 Metal hydride composites for high-density hydrogen storage Hydrogen gas can be stored highly • Hydrogen storage 4 Metal hydride storage tank for compactly at low pressure through • Hydrogen purifi cation (7.0 and better) stationary fuel cell power systems a chemical reaction with a hydrogen • D2 / H2 separation absorbing alloy whereby a solid metal • Hydrogen gettering Fraunhofer Institute for hydride is formed (Fig. 1). • Hydrogen separation from gas mixtures Manufacturing Technology • Thermochemical devices and Advanced Materials IFAM Based on our customer demands, • Electrode materials for alkaline batteries Branch Lab Dresden Fraunhofer IFAM designs, fabricates • Neutron moderation and absorption Winterbergstrasse 28 and characterizes hydrogen storage 01277 Dresden I Germany materials with state-of-the-art methods. Materials Classes Offered Furthermore, we offer engineering by Fraunhofer IFAM Contact services to design, construct and test metal hydride storage tanks • Transition metal hydride-forming alloys, Dr. rer. nat. Lars Röntzsch and other metal hydride-based e.g.: Fe-Ti, Zr-Mn, La-Ni, Ti-Mn alloys Telefon +49 351 2537 411 devices, including their integration • Complex hydrides (including dopants), E-Mail: Lars.Roentzsch into hydrogen power systems e.g. LiAlH4, NaAlH4, LiNH2 @ifam-dd.fraunhofer.de (Fig. 2). • Lightweight hydride-forming alloys, e.g.: Mg-Cu, Mg-Ni, Mg-RE alloys Dipl.-Chem. (FH) Sebastian Mauermann Telefon +49 351 2537 412 E-Mail: Sebastian.Mauermann @ifam-dd.fraunhofer.de Fax +49 351 2537 399 www.ifam.fraunhofer.de/h2 Fig. 1 Metal hydride formation (schematics) Fig. 2 Metal hydride fuel cell power system 3 5 1 6 7 8 2 1 Metal Hydride Research and 5 Metal hydride tank for a fuel cell vehicle Engineering Services 6 In-operando testing of metal hydride composites (here: radiography) 7 Universal testing reactor for metal hydrides (200 bar; max. 400 °C) • Production and manufacturing of 8 Test rig for metal hydride tank evaluation hydrogen storage materials • Metal hydride „design“ regarding: Fig. 3 Flow Diagram Test Rig - Storage capacity - Hydrogenation kinetics PC 200 bar PC 10 bar Exhaust - Heat and gas transfer properties P P System - Cycle stability H2 Compressor - State-of-health analysis 200 bar - Recycling MFC 100 Nl/min MFC 100 Nl/min • Metal hydride composites • Testing and evaluation of metal hydrides Hydride Tank MFC 5 Nl/min (in operando, ex situ) Temperature Vacuum Monitoring Pump • Development and testing of metal hydride processing technologies • Design and construction of metal Temperature Control -20°C ... 350°C hydride storage tanks and cartridges • Simulation of hydrogen loading and unloading processes in metal hydride Fig. 4 Loading and unloading characteristics of a hydrogen storage material (hydride) storage tanks • Reliability tests of metal hydride tanks 40 35 • System integration of metal hydride 30 storage tanks with 25 - Electrolysers 20 15 - H fuel cells 2 2 [bar] P [Nl], V 10 H Pressure H2 Volume Flow - H2 internal combustion engines 5 • System development and testing of 0 0 250 500 750 1000 1250 1500 1750 2000 metal hydride-based devices: time [s] - H compressors (vibrationless) 2 70 - Heat pumps 60 - Thermoboosters 50 - D / H separators 2 2 40 - H purifiers 2 30 - Thermomechanical actuators T, center Temperature [°C] Temperature 20 T, inner wall - Metal hydride gauges (filling meters) 10 0 250 500 750 1000 1250 1500 1750 2000 time [s].
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