Search Results

1 - 10 of 10 items :

  • "metal hydride" x
Clear All
Solvent Extraction of Metal Ions from Sulfate Solutions Obtained in Leaching of Spent Ni-MH Batteries

.Y. (2016).Review On Hydrometallurgical Recovery Of Rare Earth Metals. Hydrometallurgy, 165, pp. 2-26. Kim, J.S., Kumar, B.N., Lee, J.Y., Kantam, M.L., Reddy, B.R. (2012). Separation and Recovery of Light Rare-Earths from Chloride Solutions using Organophosphorous based Extractants. Separation and Purification Technology, 47, pp. 1644-1650. Li, L., Xu, S., Wu, Z.J. (2009). Recovery of Ni, Co and Rare Earths from Spent Ni-Metal Hydride Batteries and Preparation of Spherical Ni(OH)2. Hydrometallurgy, 100, pp. 41-46. Lister, T.E.; Wang, P.; Anderko, A

Open access
Modeling of heat and mass transfer in LaNi5 matrix during hydrogen absorption-desorption cycle

References 1. Momirian, M. & Vesiroglu,T.N, Renewable Sustainable Energy (2002), Rev6, 141-179. Doi:10.1016/j. ijhydene.2011.01.008.6. 2. Jemni, A. & Nasrallah, B.S. Study of 2- Dimensional Heat transfer and Mass transfer during absorption in a metal - Hydrogen Reactor.Int.j.Hydrogen Energy(1995),20(1), 43-52 .Doi:10.1016/0360-3199(93) E0007-8. 3. Aldas, K., Mat, M.D. & Kaplan, Y. Three Dimensional mathematical model for absorption in a metal hydride bed. Int. J.Hydrogen Energy (2002), 27(10), 1049

Open access
Increasingly Safe, High-Energy Propulsion System for Nano-Satellites

Summary

Numerous attempts have been undertaken to develop propulsion systems for nano-satellite-type spacecrafts to enable their maneuvering in orbits. One of the potentially viable chemical propellant propulsion systems is a hybrid system. The present paper studies propellant composition variants with the metal hydride as fuel that can be chosen for a nano-satellite hybrid propulsion system. It defines key requirements for chemical propellant nano-satellite propulsion systems, and specifies potential propellant pairs based on a compact metal hydride. The study describes basic technical characteristics of a 1U CubeSat propulsion system.

Open access
Micro-grid for on-site wind-and-hydrogen powered generation

Abstract

The authors propose a micro-grid for autonomous wind-and-hydrogen power generation thus replacing such traditional fossil-fuelled equipment as domestic diesel generators, gas micro-turbines, etc. In the proposed microgrid the excess of electrical energy from a wind turbine is spent on electrolytic production of hydrogen which is then stored under low-pressure in absorbing composite material. The electrolyser has a non-traditional feeding unit and electrode coatings. The proposed DC/DC conversion topologies for different micro-grid nodes are shown to be well-designed. The prototypes elaborated for the converters and hydrogen storage media were tested and have demonstrated a good performance.

Open access
Characteristics Analysis of Battery Used in Equipment for Monitoring and Remote Transmission of Vital Human Parameters

Abstract

Nowadays, the use of remote monitoring and transmission of vital parameters became extremely common, because these systems reduce the degree of risk among ill people and provide an additional time necessary for the intervention teams - in case of emergency action. Generally, these devices monitor and transmit data as values of blood pressure and the heart rate. This equipment permanently worn by the ill people have as sources of electric energy supply batteries or accumulators. The behavior of batteries and the parameters measurement for different operating states are defined as particularly important analyses, especially in terms of voltage and time. In this article we have analyzed two types of batteries (Lithium-Ion and Nickel-Metal Hydride) with different characteristics, using a monitoring device that measures the depth of discharge (DOD) while under load in our biomedical system. The battery characterizations were made while the system was operating measuring the body signs and transmitting the data.

Open access
Zeolite as Material for Hydrogen Storage in Transport Applications / CEOLĪTA KĀ ŪDEŅRAŽA UZGLABĀŠANAS VIDES IZPĒTE

References 1. US Department of Energy (2006) Planned Program Activities for 2005-2015, website address (May 2012): http://www1.eere.energy.gov/hydrogenandfuelcells/mypp/ 2. Dinca, M., & Long, J.R. (2008). Hydrogen Storage in Microporous Metal-Organic Frameworks with Exposed Metal Sites. Angew. Chem. Int. Ed., 47, 6766-6779. 3. Sakintuna, B., Lamari-Darkrim, F., & Hirscher, M. (2007). Metal hydride materials for solid hydrogen storage: a review. Intern. J. of Hydrogen Energy, 32 , 1121

Open access
In-Cylinder Combustion Analysis of a SI Engine Fuelled with Hydrogen Enriched Compressed Natural Gas (HCNG): Engine Performance, Efficiency and Emissions

and Sustainable Energy Reviews, Vol. 80, pp. 1458-1498, 2017. [7] Woodrow, W. C, Jeremy, R., Hydrogen energy stations: along the roadside to the hydrogen economy , Utilities Policy, Vol. 13, pp. 41-50, 2005. [8] Billur, S., Farida, L. D., Michael, H., Metal hydride materials for solid hydrogen storage: a review , Int J Hydrogen Energy, Vol. 32, pp. 1121-1140, 2007. [9] Sun, Z. Y., Liu, F. S., Liu, X. H., Research and development of hydrogen fuelled engines in China , Int J Hydrogen Energy, Vol. 37, pp. 664-681, 2012. [10] Zhao, J., Ma, F

Open access
Process optimization of nickel extraction from hazardous waste

, Journal of Alloys and Compounds, 476 , 940-949 (2009). [16] J. Nan, D. Han, M. Yang, M. Cui, X. Hou: Recovery of metal values from a mixture of spent lithium-ion batteries and nickel-metal hydride batteries , Hydrometallurgy, 84 , 75-80 (2006). [17] Y.-F. Shen, W.-Y. Xue, W.-Y. Niu: Recovery of Co(II) and Ni(II) from hydrochloric acid solution of alloy scrap , Transactions of Nonferrous Metals Society of China, 18 , 1262-1268 (2008). [18] J.A.S. Tenório, D.C.R. Espinosa: Recovery of Ni-based alloys from spent NiMH

Open access
Ionic [Ru] complex with recyclability by electro-adsorption for efficient catalytic transfer hydrogenation of aryl ketones

-cross-linked polystyrene: Highly efficient catalyst for aqueous-phase oxidation of aldehydes to carboxylic acids. Catal. Commun. 79, 26–30. DOI: 10.1016/j.catcom.2015.12.016. 9. Ruiz, S., Villuendas, P. & Urriolabeitia, E.P. (2016). Rucatalysed C–H functionalisations as a tool for selective organic synthesis. Tetrahedron Lett . 57, 3413–3432. DOI: 10.1016/j.tetlet.2016.06.117. 10. Pappas, I. & Chirik, P.J. (2016). Catalytic Proton Coupled Electron Transfer from Metal Hydrides to Titanocene Amides, Hydrazides and Imides: Determination of Thermodynamic Parameters Relevant

Open access
Determination of lithium bioretention by maize under hydroponic conditions

-Thyabat, S., Nakamura, T., Shibata, E. & Iizuka, A. (2013). Adaptation of minerals processing operations for lithium- -ion (LiBs) and nickel metal hydride (NiMH) batteries recycling: critical review, Minerals Engineering, 45, pp. 4-17. DOI:10.1016/j.mineng.2012.12.005 An, R., Chen, Q.J., Chai, M.F., Lu, P.L., Su, Z., Qin, Z.X., Chen, J. & Wang, X.C. (2007). AtNHX8, a member of the monovalent cation:proton antiporter-1 family in Arabidopsis thaliana, encodes a putative Li+/H+ antiporter, The Plant Journal, 49, 4, pp. 718-728. DOI:10.1111/j.1365-313X.2006

Open access