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Showing 1 to 20 of 40 for “"Nickel Cobalt"”.
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Synthesis, characterisation and olefin oligomerization over nickel, cobalt and zinc substituted synthetic mica montmorillonite
Nickel, cobalt and zinc were substituted for structural octahedral aluminium in SMM. X-ray diffraction, together with elemental analysis, confirmed that a 2: 1 layered aluminosilicate had been formed. The inclusion of these metals facilitated the crystallisation of the SMM structure in the …
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Machine Learning and Data-Driven Analysis of Thermal Runaway Characteristics in Lithium-Ion Batteries
… batteries, particularly examining NCM (Nickel Cobalt Manganese) and NCA (Nickel Cobalt Aluminum) chemistries. Utilizing data analysis and machine learning on approximately 400 data points, it gives insights into thermal runaway dynamics, focusing on characteristic parameters such as …
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Infra-red studies of carbon monoxide and hydrogen absorbed on silica supported metal catalysts
… carbon monoxide and hydrogen on silica supported nickel, cobalt, and iron catalysts was studied using infrared spectroscopy. The products occurring in the gas phase, as well as spectra of adsorbed CO surface species in the frequency range 2300 - 1700 cm−¹ for different order of addition of the two …
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Postglacial paleoecology and effects of European settlement on the environment of Lake Hunger and Lake Lisgar, Southwestern Ontario /
… for cold hydrochloric acid soluble lead, zinc, nickel, cobalt, copper, aluminum, sodium, potassium, calcium, magnesium, iron and manganese. Lacustrine sediments from 5 boreholes in the Lake Lisgar basin were collected. Boreholes 1, 2, 3, and 4 were analyzed for palynological and chemical …
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Distribution of precious metals and geochemistry of lateritic ores
… trace constituents (iron, silicon, magnesium, nickel, cobalt, chromium, copper, manganese, zinc, uranium, sodium, chlorine and scandium) was determined. Instrumental activation analysis, radiochemical analysis and conventional chemical procedures were used. The mineralogy of the samples was …
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Encountering 'Sainaman': Friction at a Papua New Guinea Mining Contact Zone
… case study of the Chinese majority-run Ramu Nickel Cobalt Project and its relationship with the indigenous communities on whose land the mine and refinery are located, in Madang Province of Papua New Guinea (PNG). To date, the Ramu mine is not only China's largest investment in the Pacific, …
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Encountering 'Sainaman': Friction at a Papua New Guinea Mining Contact Zone
… case study of the Chinese majority-run Ramu Nickel Cobalt Project and its relationship with the indigenous communities on whose land the mine and refinery are located, in Madang Province of Papua New Guinea (PNG). To date, the Ramu mine is not only China's largest investment in the Pacific, …
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Fabrication, characterization, and micromagnetic analysis of lithographically defined particle arrays for applications in data storage
… 1 00nm or 200nm period arrays of nanostructured nickel, cobalt, and cobalt phosphorus are fabricated by the techniques of interference lithography combined with evaporation and electrodeposition. The nanomagnet arrays are characterized by bulk magnetometry and magnetic force microscopy. The …
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Condition monitoring of lithium-ion batteries using broadband multisine excitation and electrochemical impedance spectroscopy
… load. The test cells are industry standard Nickel-Cobalt and Manganese Oxide (NCM) Li-ion cells. The BIS technique is like HCSD in the selection of frequencies; however, the amplitude of the excitation broadband signal is varied to match the impedance magnitude response of the cell. Also, …
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The suitability of Ni-Co catalysts in the dry reforming reaction
… This has led to nonnoble metals such as nickel and cobalt being considered as potential catalysts. Bimetallic nickel-cobalt (Ni-Co) catalysts have garnered a lot of interest as dry reforming catalysts as combining these two metals is believed to produce catalysts that would be more stable …
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Comparative Analysis of Coulomb Counting and Extended Kalman Filter for State of Charge Estimation in Battery Management Systems
… and parameterized using a Lithium based Nickel Cobalt Aluminium (NCA) oxide battery's pulse discharge test data. The Extended Kalman Filter (EKF) was implemented to estimate the SOC of the cell model and the performance of the estimation models were evaluated on the metric of RMSE, and …
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The use of coherent anti-Stokes Raman Spectroscopy as a diagnostic technique for studying the hydrogenation of carbon moxide in a tube-wall reactor
… tube-wall flow reactor using CARS. The metals, nickel,cobalt and ruthenium were used to catalyse the methanation reaction. These were loaded onto various amorphous and zeolitic supports using typical ion exchange and incipient wetness techniques. The metal loading of the catalysts were …
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Direct Lithium-ion Battery Recycling to Yield Battery Grade Cathode Materials
… recycling LIBs becomes urgent needs. Lithium nickel cobalt manganese oxides (NCM) are one of the most essential cathode materials for EV applications due to their long cycle life, high capacity, and low cost. In 2008, 18.9% of Lithium-ion batteries used NCM cathode material worldwide while …
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The oligomerization of propene over nickel synthetic mica-montmorillonite
… (SMM) as well as the effect of incorporating nickel into the lattice and nickel, cobalt and zinc into the interlayer spaces was investigated. NiSMM is more active for propene oligomerization than SMM, although the product selectivity (60% of the oligomers boiled at above 453 K) is similar. The …
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Solvent Extraction of Copper, Cobalt, and Nickel Material from the Missouri Cobalt Project in Fredricktown, Missouri
Cobalt and nickel are important metals used in the production of rechargeable batteries. Demand for these metals, along with copper, are increasing due to the increased production of electric cars and other electronic devices. Cobalt has historically been mined in the Congo with very dangerous …
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The Impact of Metals and Metal Mixtures on Cardiometabolic Health among Hispanics/Latinos
… between arsenic, molybdenum, selenium, nickel, cobalt, and zinc with worsening dysglycemia over time. The metal mixture containing arsenic, cadmium, lead, nickel, and tin was positively associated with increased post prandial glucose. Lastly, we assessed associations between metals and …
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Application of carbonated calcium silicate materials in metal sorption processes
… studies with the solutions of cadmium, lead, nickel, cobalt, zinc, strontium and cesium. The findings of the structural examination indicated the transformation of nesosilicate-type calcium silicates during carbonation into polymerized Ca-silicate frameworks, aragonite (in carbonated cement …
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In-depth study and analysis of lithium-ion battery states using battery degradation data from electrochemical impedance spectroscopy
… data interpretation specific to LIB. A lithium nickel cobalt aluminium oxide cylindrical (NCA) battery is subjected to charge/discharge cycles to study the battery degradation mechanisms. The impedance spectrum from EIS tests is analyzed for ECM circuit parameterization. From the experimental …
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