Metal hydride
Numerical study on a two stage metal hydride hydrogen compression system
... multistage metal hydride hydrogen compression (MHHC) system uses a combination of hydride materials in order to increase the total compression ratio, whilst maximizing the hydrogenation rate from the ...
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On the Low Temperature Performance of Nickel-Metal Hydride (NiMH) Batteries
... electrode of the NiMH battery is nickel oxy-hydroxide (NiOOH), in the charged state. The negative active material in the charged state is hydrogen, in the form of a metal hydride. During the charging ...
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Metal hydride hydrogen compression: recent advances and future prospects
... driven metal hydride hydrogen compressors at IFE, HYSTORSYS AS and SAIAMC / UWC, the authors (VY, ML, VL) mainly used the model [13] which takes these features into account by assuming H atoms in the solid ...
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Development of A New Portable Rescue Tool Using Metal Hydride Alloys
... and possessed 0.2–0.3 MPa of equilibrium pressure at 80°C. The MH source was enclosed within a solidly constructed airtight container that heated the MH via a heat source in contact with the bottom surface of the ...
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Mechanism Analysis on Stress Accumulation in Cylindrical Vertical Placed Metal Hydride Reactor
... It’s known that the pulverization-densification mechanism of metal hydride may cause the stress accumula- tion in metal hydrides reactors. In this paper, this idea is proved based on granulometry and ...
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NICKEL-METAL HYDRIDE BATTERY ANALYSIS USING SPECTROGRAM
... In this paper, the spectrogram is applied to represent the Nickel-Metal Hydride battery charging and discharging voltage signal in, jointly, time-frequency representation (TFR). From the TFR, parameters of ...
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The Recovery of Electrode Compounds from Waste Nickel Metal Hydride Batteries by Physical Separation Techniques
... A recovery method for electrode compounds from waste nickel metal hydride batteries by physical separation using sizing and distance- variable magnetic separation was investigated. The electrodes are formed ...
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Numerical Simulation Of Hydrogen Sorption In Metal Hydride Based Storage Bed Using Lattice Boltzmann Method
... Solution strategies adopted for the modeling of metal hydride reaction beds may be broadly classified into exact and approximate methods. Different numerical schemes adopted for solution include finite ...
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High Performance Metal Hydride Alloy for Rechargeable Battery Technology50-58
... By 1990, when the first NiMH battery was commercially produced in Japan, the metal hydride alloy comprised many additional ele- ments which improved lifetime while still main- tai[r] ...
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Techno-Economic Analysis of High-Pressure Metal Hydride Compressor Systems
... based on mini-channel heat transfer systems, allowing for effective high-pressure compression.. System efficiency and costs were assessed based on the.[r] ...
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Comparison of the interactions in the rare gas hydride and Group 2 metal hydride anions
... It is interesting to note the great similarity in the atomic charges between all three population methods for the heavier species (see Table VIII), in contrast to the two lightest species. While it is true that the ...
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Crystal structure of homodinuclear platinum complex containing a metal–metal bond bridged by hydride and phosphide ligands
... Transition metal hydrides play a central role in many homo- geneous catalytic reactions (Bertolasi et ...transition metal hydride group (Leoni et ...the hydride ligand, the complexes ...
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Secondary batteries.ppt
... The nickel-metal hydride battery chemistry is a hybrid of the proven positive electrode chemistry of the sealed nickel-cadmium battery with the energy storage features of metal alloys d[r] ...
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Integrated solar PV and battery storage system using five level NPC inverter for induction motor application
... The solar panel used here is msx 60 pv panel, the converter used is three port dc to dc converter and the battery used is nickel metal hydride and the inverter is the Five level neutral [r] ...
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Synthesis of Tantalum Hydride Using Mechanical Milling and Its Characterization by XRD, SEM, and TGA
... of metal alloys, nanocrystalline, amorphous, nanocomposites, crystalline and quasicrystalline intermediate phases ...of metal hydrides, and other inorganic solids, while organic compounds have been ...
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Microstructures and Electrochemical Hydrogen Storage Characteristics of La0.65-xCe0.25-xPr0.03Nd0.07Y2xNi3.65Co0.75Mn0.3Al0.3 (x = 0-0.04) Alloys
... The alloy powders of measuring electrodes were obtained by grinding the inner part of alloy ingots in the Ar atmosphere. All measuring electrodes for test were prepared by cold pressing the mixture of 0.15 g alloy ...
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Strong agostic type interactions in ruthenium benzylidene complexes containing 7 azaindole based scorpionate ligands
... we obtained evidence for strong ruthenium-hydride character within the borohydride interaction with the ruthenium centre, providing insight into the processes involved in hydride migration (i.e. from ...
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Methanediide formation via hydrogen elimination in magnesium versus aluminium hydride complexes of a sterically demanding bis(iminophosphoranyl)methanediide
... highlight differences in these early main group metal hydride species [36]. MgH complexes are expected to have more ionic M ··· H interactions compared with more polar covalent AlH systems. Significantly ...
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Two alternative approaches to access mixed hydride-amido zinc complexes : synthetic, structural and solution implications
... metal-hydride, metal-amide and metal-carbene bond lengths are understandably shorter in our zinc complex compared to the magnesium derivative due to zinc’s smaller size (covalent radius ...
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Automatic Fire Protection System for Hydraulic Excavator in Mining Industry
... ABSTRACT: Fire is a major concern who works in excavator machines operation at open cost mining areas. Fire can occur at any time against fires can be challenging. And most importantly, an unchecked and uncontrolled ...
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